ValueOn Lead to Opportunity durchgespielt, bugfixes im datapicker und node hadover

Feat/demo system readieness

eslint.config.js

@@ -23,6 +23,17 @@ export default tseslint.config(
         'warn',
         { allowConstantExport: true },
       ],
+      'no-restricted-imports': [
+        'warn',
+        {
+          patterns: [
+            {
+              group: ['**/components/FolderTree/FolderTree*', '**/FolderTree/FolderTree*'],
+              message: 'FolderTree is deprecated — use FormGeneratorTable with groupingConfig instead.',
+            },
+          ],
+        },
+      ],
     },
   },
 )

src/api/connectionApi.ts

@@ -4,6 +4,22 @@ import { ApiRequestOptions } from '../hooks/useApi';
 // TYPES & INTERFACES
 // ============================================================================
 
+export interface KnowledgePreferences {
+  schemaVersion?: number;
+  neutralizeBeforeEmbed?: boolean;
+  mailContentDepth?: 'metadata' | 'snippet' | 'full';
+  mailIndexAttachments?: boolean;
+  filesIndexBinaries?: boolean;
+  mimeAllowlist?: string[];
+  clickupScope?: 'titles' | 'title_description' | 'with_comments';
+  clickupIndexAttachments?: boolean;
+  surfaceToggles?: {
+    google?: { gmail?: boolean; drive?: boolean };
+    msft?: { sharepoint?: boolean; outlook?: boolean };
+  };
+  maxAgeDays?: number;
+}
+
 export interface Connection {
   id: string;
   userId: string;
@@ -15,6 +31,8 @@ export interface Connection {
   connectedAt: number; // Backend uses float for UTC timestamp in seconds
   lastChecked: number; // Backend uses float for UTC timestamp in seconds
   expiresAt?: number; // Backend uses Optional[float] for UTC timestamp in seconds
+  knowledgeIngestionEnabled?: boolean;
+  knowledgePreferences?: KnowledgePreferences | null;
   [key: string]: any; // Allow additional properties
 }
 
@@ -37,6 +55,19 @@ export interface PaginationParams {
   sort?: Array<{ field: string; direction: 'asc' | 'desc' }>;
   filters?: Record<string, any>;
   search?: string;
+  /** Scope request to items of this group (resolved server-side to itemIds IN-filter). */
+  groupId?: string;
+  /** If set, persist this group tree on the backend before fetching (optimistic save). */
+  saveGroupTree?: TableGroupNode[];
+}
+
+export interface TableGroupNode {
+  id: string;
+  name: string;
+  itemIds: string[];
+  subGroups: TableGroupNode[];
+  order: number;
+  isExpanded: boolean;
 }
 
 export interface PaginatedResponse<T> {
@@ -47,6 +78,8 @@ export interface PaginatedResponse<T> {
     totalItems: number;
     totalPages: number;
   };
+  /** Current group tree for this (user, contextKey) pair — undefined if no grouping configured. */
+  groupTree?: TableGroupNode[];
 }
 
 export interface CreateConnectionData {
@@ -58,6 +91,8 @@ export interface CreateConnectionData {
   externalUsername?: string;
   externalEmail?: string;
   status?: 'active' | 'expired' | 'revoked' | 'pending';
+  knowledgeIngestionEnabled?: boolean;
+  knowledgePreferences?: KnowledgePreferences | null;
   connectedAt?: number;
   lastChecked?: number;
   expiresAt?: number;
@@ -103,6 +138,8 @@ export async function fetchConnections(
     if (params.sort) paginationObj.sort = params.sort;
     if (params.filters) paginationObj.filters = params.filters;
     if (params.search) paginationObj.search = params.search;
+    if (params.groupId) paginationObj.groupId = params.groupId;
+    if (params.saveGroupTree !== undefined) paginationObj.saveGroupTree = params.saveGroupTree;
     
     if (Object.keys(paginationObj).length > 0) {
       requestParams.pagination = JSON.stringify(paginationObj);

src/api/fileApi.ts

@@ -34,6 +34,8 @@ export interface PaginationParams {
   sort?: Array<{ field: string; direction: 'asc' | 'desc' }>;
   filters?: Record<string, any>;
   search?: string;
+  groupId?: string;
+  saveGroupTree?: any[];
 }
 
 export interface PaginatedResponse<T> {
@@ -103,6 +105,8 @@ export async function fetchFiles(
     if (params.sort) paginationObj.sort = params.sort;
     if (params.filters) paginationObj.filters = params.filters;
     if (params.search) paginationObj.search = params.search;
+    if (params.groupId) paginationObj.groupId = params.groupId;
+    if (params.saveGroupTree !== undefined) paginationObj.saveGroupTree = params.saveGroupTree;
     
     if (Object.keys(paginationObj).length > 0) {
       requestParams.pagination = JSON.stringify(paginationObj);
@@ -186,110 +190,87 @@ export async function deleteFiles(
   return uniqueIds.map(fileId => ({ success: true, fileId }));
 }
 
-export async function deleteFolders(
-  request: ApiRequestFunction,
-  folderIds: string[],
-  recursiveFolders: boolean = true
-): Promise<{ deletedFiles: number; deletedFolders: number }> {
-  const uniqueIds = [...new Set(folderIds.filter(Boolean))];
-  if (uniqueIds.length === 0) return { deletedFiles: 0, deletedFolders: 0 };
-  return await request({
-    url: '/api/files/batch-delete',
-    method: 'post',
-    data: { folderIds: uniqueIds, recursiveFolders }
-  });
-}
-
 // ============================================================================
-// FOLDER API FUNCTIONS
+// GROUP BULK API FUNCTIONS
 // ============================================================================
 
-export interface FolderInfo {
-  id: string;
-  name: string;
-  parentId: string | null;
-  fileCount?: number;
-  mandateId?: string;
-  featureInstanceId?: string;
-  createdAt?: number;
-  scope?: string;
-  neutralize?: boolean;
-}
-
-export async function fetchFolders(
+/** Patch scope for all files in a group (recursive) */
+export async function patchGroupScope(
   request: ApiRequestFunction,
-  parentId?: string | null
-): Promise<FolderInfo[]> {
-  const params: any = {};
-  if (parentId !== undefined && parentId !== null) {
-    params.parentId = parentId;
-  }
-  const data = await request({
-    url: '/api/files/folders',
-    method: 'get',
-    params,
-  });
-  return Array.isArray(data) ? data : [];
-}
-
-export async function createFolder(
-  request: ApiRequestFunction,
-  name: string,
-  parentId?: string | null
-): Promise<FolderInfo> {
-  return await request({
-    url: '/api/files/folders',
-    method: 'post',
-    data: { name, parentId: parentId || null },
-  });
-}
-
-export async function renameFolder(
-  request: ApiRequestFunction,
-  folderId: string,
-  name: string
+  groupId: string,
+  scope: string
 ): Promise<any> {
   return await request({
-    url: `/api/files/folders/${folderId}`,
-    method: 'put',
-    data: { name },
+    url: `/api/files/groups/${groupId}/scope`,
+    method: 'patch',
+    data: { scope },
   });
 }
 
-export async function deleteFolderApi(
+/** Patch neutralize for all files in a group (recursive, incl. knowledge purge/reindex) */
+export async function patchGroupNeutralize(
   request: ApiRequestFunction,
-  folderId: string,
-  recursive: boolean = false
+  groupId: string,
+  neutralize: boolean
 ): Promise<any> {
   return await request({
-    url: `/api/files/folders/${folderId}`,
+    url: `/api/files/groups/${groupId}/neutralize`,
+    method: 'patch',
+    data: { neutralize },
+  });
+}
+
+/** Download all files in a group as ZIP */
+export async function downloadGroupZip(groupId: string): Promise<void> {
+  const { default: api } = await import('../api');
+  const response = await api.get(`/api/files/groups/${groupId}/download`, {
+    responseType: 'blob',
+  });
+  const url = window.URL.createObjectURL(response.data);
+  const link = document.createElement('a');
+  link.href = url;
+  link.setAttribute('download', `group-${groupId}.zip`);
+  document.body.appendChild(link);
+  link.click();
+  link.remove();
+  window.URL.revokeObjectURL(url);
+}
+
+/** Delete a group and optionally all its files */
+export async function deleteGroup(
+  request: ApiRequestFunction,
+  groupId: string,
+  deleteItems: boolean = false
+): Promise<any> {
+  return await request({
+    url: `/api/files/groups/${groupId}`,
     method: 'delete',
-    params: { recursive },
+    params: { deleteItems },
   });
 }
 
-export async function moveFolder(
-  request: ApiRequestFunction,
-  folderId: string,
-  targetParentId: string | null
-): Promise<any> {
-  return await request({
-    url: `/api/files/folders/${folderId}/move`,
-    method: 'post',
-    data: { targetParentId },
-  });
-}
-
-export async function moveFile(
-  request: ApiRequestFunction,
-  fileId: string,
-  targetFolderId: string | null
-): Promise<any> {
-  return await request({
-    url: `/api/files/${fileId}/move`,
-    method: 'post',
-    data: { targetFolderId },
-  });
+/** Collect all file IDs belonging to a group recursively (client-side, from known groupTree) */
+export function collectGroupItemIds(
+  groupTree: Array<{ id: string; itemIds: string[]; subGroups: any[] }>,
+  groupId: string
+): string[] {
+  const collect = (nodes: Array<{ id: string; itemIds: string[]; subGroups: any[] }>): string[] | null => {
+    for (const node of nodes) {
+      if (node.id === groupId) {
+        const ids: string[] = [...node.itemIds];
+        const sub = (n: { id: string; itemIds: string[]; subGroups: any[] }) => {
+          ids.push(...n.itemIds);
+          n.subGroups.forEach(sub);
+        };
+        node.subGroups.forEach(sub);
+        return ids;
+      }
+      const found = collect(node.subGroups);
+      if (found) return found;
+    }
+    return null;
+  };
+  return collect(groupTree) ?? [];
 }
 
 // Note: The following operations require special handling (FormData, blob responses)

src/api/mandateApi.ts

@@ -46,6 +46,8 @@ export interface PaginationParams {
   sort?: Array<{ field: string; direction: 'asc' | 'desc' }>;
   filters?: Record<string, any>;
   search?: string;
+  groupId?: string;
+  saveGroupTree?: any[];
 }
 
 export interface PaginatedResponse<T> {
@@ -84,6 +86,8 @@ export async function fetchMandates(
     if (params.sort) paginationObj.sort = params.sort;
     if (params.filters) paginationObj.filters = params.filters;
     if (params.search) paginationObj.search = params.search;
+    if (params.groupId) paginationObj.groupId = params.groupId;
+    if (params.saveGroupTree !== undefined) paginationObj.saveGroupTree = params.saveGroupTree;
     
     if (Object.keys(paginationObj).length > 0) {
       requestParams.pagination = JSON.stringify(paginationObj);

src/api/promptApi.ts

@@ -49,6 +49,8 @@ export interface PaginationParams {
   sort?: Array<{ field: string; direction: 'asc' | 'desc' }>;
   filters?: Record<string, any>;
   search?: string;
+  groupId?: string;
+  saveGroupTree?: any[];
 }
 
 export interface PaginatedResponse<T> {
@@ -110,6 +112,8 @@ export async function fetchPrompts(
     if (params.sort) paginationObj.sort = params.sort;
     if (params.filters) paginationObj.filters = params.filters;
     if (params.search) paginationObj.search = params.search;
+    if (params.groupId) paginationObj.groupId = params.groupId;
+    if (params.saveGroupTree !== undefined) paginationObj.saveGroupTree = params.saveGroupTree;
     
     if (Object.keys(paginationObj).length > 0) {
       requestParams.pagination = JSON.stringify(paginationObj);

src/api/userApi.ts

@@ -48,6 +48,8 @@ export interface PaginationParams {
   sort?: Array<{ field: string; direction: 'asc' | 'desc' }>;
   filters?: Record<string, any>;
   search?: string;
+  groupId?: string;
+  saveGroupTree?: any[];
 }
 
 export interface PaginatedResponse<T> {
@@ -152,6 +154,8 @@ export async function fetchUsers(
     if (params.sort) paginationObj.sort = params.sort;
     if (params.filters) paginationObj.filters = params.filters;
     if (params.search) paginationObj.search = params.search;
+    if (params.groupId) paginationObj.groupId = params.groupId;
+    if (params.saveGroupTree !== undefined) paginationObj.saveGroupTree = params.saveGroupTree;
     
     if (Object.keys(paginationObj).length > 0) {
       requestParams.pagination = JSON.stringify(paginationObj);

src/api/workflowApi.ts

@@ -30,6 +30,8 @@ export interface PortField {
   description: string | Record<string, string>;
   required: boolean;
   enumValues?: string[] | null;
+  /** When true, surface at the top of the DataPicker as the most common/recommended pick. */
+  recommended?: boolean;
 }
 
 export interface PortSchema {
@@ -85,11 +87,19 @@ export interface SystemVariable {
   description: string;
 }
 
+/** Single form field type with its canonical port primitive. Delivered by GET /node-types. */
+export interface FormFieldType {
+  id: string;
+  label: string;
+  portType: string;
+}
+
 export interface NodeTypesResponse {
   nodeTypes: NodeType[];
   categories: NodeTypeCategory[];
   portTypeCatalog?: Record<string, PortSchema>;
   systemVariables?: Record<string, SystemVariable>;
+  formFieldTypes?: FormFieldType[];
 }
 
 export interface Automation2GraphNode {
@@ -144,6 +154,8 @@ export interface Automation2Workflow {
   label: string;
   graph: Automation2Graph;
   active?: boolean;
+  /** Target feature instance for execution data scope (NULL for templates) */
+  targetFeatureInstanceId?: string | null;
   /** Entry points (Starts) — how this workflow may be invoked */
   invocations?: WorkflowEntryPoint[];
   /** Enriched: run count */
@@ -277,12 +289,14 @@ export async function fetchNodeTypes(
   const categories = data?.categories ?? [];
   const portTypeCatalog = data?.portTypeCatalog ?? undefined;
   const systemVariables = data?.systemVariables ?? undefined;
+  const formFieldTypes = data?.formFieldTypes ?? undefined;
   console.log(
     `${LOG} fetchNodeTypes response: ${nodeTypes.length} nodeTypes, ${categories.length} categories, ` +
       `${portTypeCatalog ? Object.keys(portTypeCatalog).length : 0} portTypes, ` +
-      `${systemVariables ? Object.keys(systemVariables).length : 0} sysVars`
+      `${systemVariables ? Object.keys(systemVariables).length : 0} sysVars, ` +
+      `${formFieldTypes ? formFieldTypes.length : 0} formFieldTypes`
   );
-  return { nodeTypes, categories, portTypeCatalog, systemVariables };
+  return { nodeTypes, categories, portTypeCatalog, systemVariables, formFieldTypes };
 }
 
 export interface UpstreamPathEntry {
@@ -412,7 +426,12 @@ export async function fetchWorkflow(
 export async function createWorkflow(
   request: ApiRequestFunction,
   instanceId: string,
-  body: { label: string; graph: Automation2Graph; invocations?: WorkflowEntryPoint[] }
+  body: {
+    label: string;
+    graph: Automation2Graph;
+    invocations?: WorkflowEntryPoint[];
+    targetFeatureInstanceId?: string | null;
+  }
 ): Promise<Automation2Workflow> {
   return await request({
     url: `/api/workflows/${instanceId}/workflows`,
@@ -431,6 +450,7 @@ export async function updateWorkflow(
     invocations?: WorkflowEntryPoint[];
     active?: boolean;
     notifyOnFailure?: boolean;
+    targetFeatureInstanceId?: string | null;
   }
 ): Promise<Automation2Workflow> {
   return await request({
@@ -986,3 +1006,95 @@ export async function loadClickupListTasksForDropdown(
   acc.sort((a, b) => a.name.localeCompare(b.name, 'de'));
   return acc;
 }
+
+
+// ============================================================================
+// AUTOMATION WORKSPACE API (user-facing run workspace)
+// ============================================================================
+
+export interface WorkspaceRun {
+  id: string;
+  workflowId: string;
+  workflowLabel?: string;
+  status: string;
+  startedAt?: number;
+  completedAt?: number;
+  ownerId?: string;
+  mandateId?: string;
+  mandateLabel?: string;
+  targetFeatureInstanceId?: string;
+  targetInstanceLabel?: string;
+  costTokens?: number;
+  costCredits?: number;
+  error?: string;
+}
+
+export interface WorkspaceRunDetail {
+  run: WorkspaceRun & { nodeOutputs?: Record<string, unknown> };
+  workflow: {
+    id: string;
+    label: string;
+    targetFeatureInstanceId?: string;
+    featureInstanceId?: string;
+    tags?: string[];
+  } | null;
+  steps: Array<{
+    id: string;
+    runId: string;
+    nodeId: string;
+    nodeType: string;
+    status: string;
+    inputSnapshot?: Record<string, unknown>;
+    output?: Record<string, unknown>;
+    inputFiles?: Array<{ id: string; fileName?: string }>;
+    outputFiles?: Array<{ id: string; fileName?: string }>;
+    error?: string;
+    startedAt?: number;
+    completedAt?: number;
+    durationMs?: number;
+    tokensUsed?: number;
+    retryCount?: number;
+  }>;
+  files: Array<{
+    id: string;
+    fileName?: string;
+    contentType?: string;
+    sizeBytes?: number;
+  }>;
+  unassignedFiles?: Array<{
+    id: string;
+    fileName?: string;
+  }>;
+}
+
+export async function fetchWorkspaceRuns(
+  request: ApiRequestFunction,
+  params: {
+    scope?: 'mine' | 'mandate';
+    status?: string;
+    targetInstanceId?: string;
+    workflowId?: string;
+    limit?: number;
+    offset?: number;
+  } = {},
+): Promise<{ runs: WorkspaceRun[]; total: number }> {
+  const query = new URLSearchParams();
+  if (params.scope) query.set('scope', params.scope);
+  if (params.status) query.set('status', params.status);
+  if (params.targetInstanceId) query.set('targetInstanceId', params.targetInstanceId);
+  if (params.workflowId) query.set('workflowId', params.workflowId);
+  if (params.limit) query.set('limit', String(params.limit));
+  if (params.offset) query.set('offset', String(params.offset));
+  const qs = query.toString();
+  const url = `/api/automations/runs${qs ? `?${qs}` : ''}`;
+  const resp = await request({ url, method: 'get' });
+  return resp as { runs: WorkspaceRun[]; total: number };
+}
+
+export async function fetchWorkspaceRunDetail(
+  request: ApiRequestFunction,
+  runId: string,
+): Promise<WorkspaceRunDetail> {
+  const resp = await request({ url: `/api/automations/runs/${runId}/detail`, method: 'get' });
+  return resp as WorkspaceRunDetail;
+}

src/components/AddConnectionWizard/AddConnectionWizard.module.css

@@ -0,0 +1,467 @@
+/* AddConnectionWizard styles */
+
+.stepper {
+  display: flex;
+  justify-content: center;
+  gap: 1.5rem;
+  padding: 1rem 1.5rem 0;
+  border-bottom: 1px solid var(--border-color);
+}
+
+.stepDot {
+  width: 28px;
+  height: 28px;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 0.75rem;
+  font-weight: 600;
+  background: var(--bg-secondary, #f0f0f0);
+  color: var(--text-secondary, #666);
+  border: 2px solid var(--border-color, #ddd);
+  transition: background 0.2s, border-color 0.2s, color 0.2s;
+}
+
+.stepDotActive {
+  background: var(--primary-color, #f25843);
+  border-color: var(--primary-color, #f25843);
+  color: white;
+}
+
+.stepDotDone {
+  background: var(--success-color, #22c55e);
+  border-color: var(--success-color, #22c55e);
+  color: white;
+}
+
+.stepDotHidden {
+  opacity: 0.3;
+}
+
+.body {
+  padding: 1.5rem;
+  overflow-y: auto;
+}
+
+.stepContent {
+  display: flex;
+  flex-direction: column;
+  gap: 1rem;
+  min-height: 220px;
+}
+
+.stepTitle {
+  font-size: 1.125rem;
+  font-weight: 600;
+  color: var(--text-primary);
+  margin: 0;
+}
+
+.stepBody {
+  font-size: 0.9375rem;
+  color: var(--text-primary);
+  line-height: 1.6;
+  margin: 0;
+}
+
+.stepHint {
+  font-size: 0.8125rem;
+  color: var(--text-secondary, #666);
+  margin: 0;
+}
+
+/* Connector grid (Step 0) */
+.connectorGrid {
+  display: flex;
+  gap: 1rem;
+  flex-wrap: wrap;
+}
+
+.connectorCard {
+  flex: 1 1 140px;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 0.625rem;
+  padding: 1.25rem 1rem;
+  background: var(--surface-color);
+  border: 2px solid var(--border-color, #ddd);
+  border-radius: 10px;
+  cursor: pointer;
+  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
+}
+
+.connectorCard:hover {
+  border-color: var(--primary-color, #f25843);
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
+  transform: translateY(-2px);
+}
+
+.connectorIcon {
+  font-size: 1.75rem;
+}
+
+.connectorLabel {
+  font-size: 0.875rem;
+  font-weight: 500;
+  color: var(--text-primary);
+}
+
+/* Consent step (Step 1) */
+.consentIcon {
+  display: flex;
+  justify-content: center;
+  color: var(--primary-color, #f25843);
+}
+
+.consentButtons {
+  display: flex;
+  gap: 0.75rem;
+  flex-wrap: wrap;
+}
+
+.consentButtonYes {
+  flex: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.5rem;
+  padding: 0.75rem 1.25rem;
+  background: var(--primary-color, #f25843);
+  color: white;
+  border: none;
+  border-radius: 8px;
+  font-size: 0.9375rem;
+  font-weight: 500;
+  cursor: pointer;
+  transition: background 0.2s;
+}
+
+.consentButtonYes:hover {
+  background: var(--primary-dark, #d94d3a);
+}
+
+.consentButtonNo {
+  flex: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 0.5rem;
+  padding: 0.75rem 1.25rem;
+  background: var(--surface-color);
+  color: var(--text-primary);
+  border: 2px solid var(--border-color, #ddd);
+  border-radius: 8px;
+  font-size: 0.9375rem;
+  font-weight: 500;
+  cursor: pointer;
+  transition: border-color 0.2s, background 0.2s;
+}
+
+.consentButtonNo:hover {
+  border-color: var(--text-secondary, #888);
+  background: var(--bg-secondary, #f5f5f5);
+}
+
+/* Preferences step (Step 2) */
+.prefGroup {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+  padding: 0.75rem 0;
+  border-bottom: 1px solid var(--border-color, #eee);
+}
+
+.prefGroup:last-of-type {
+  border-bottom: none;
+}
+
+.prefLabel {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 0.5rem;
+  font-size: 0.9375rem;
+  color: var(--text-primary);
+  cursor: pointer;
+  font-weight: 500;
+}
+
+.prefLabelRow {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 1rem;
+  font-size: 0.9375rem;
+  color: var(--text-primary);
+  font-weight: 500;
+}
+
+.prefIcon {
+  color: var(--text-secondary, #666);
+  font-size: 0.875rem;
+}
+
+.prefCheck {
+  width: 18px;
+  height: 18px;
+  cursor: pointer;
+  accent-color: var(--primary-color, #f25843);
+}
+
+.prefSelect {
+  padding: 0.375rem 0.5rem;
+  border: 1px solid var(--border-color, #ddd);
+  border-radius: 6px;
+  font-size: 0.875rem;
+  background: var(--surface-color);
+  color: var(--text-primary);
+  min-width: 200px;
+}
+
+.prefNumber {
+  width: 80px;
+  padding: 0.375rem 0.5rem;
+  border: 1px solid var(--border-color, #ddd);
+  border-radius: 6px;
+  font-size: 0.875rem;
+  background: var(--surface-color);
+  color: var(--text-primary);
+  text-align: right;
+}
+
+.prefHint {
+  font-size: 0.8125rem;
+  color: var(--text-secondary, #666);
+  margin: 0;
+}
+
+/* Summary step (Step 3) */
+.summary {
+  display: flex;
+  flex-direction: column;
+  gap: 0;
+  border: 1px solid var(--border-color, #ddd);
+  border-radius: 8px;
+  overflow: hidden;
+}
+
+.summaryRow {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 0.625rem 1rem;
+  gap: 1rem;
+  border-bottom: 1px solid var(--border-color, #eee);
+}
+
+.summaryRow:last-child {
+  border-bottom: none;
+}
+
+.summaryKey {
+  font-size: 0.875rem;
+  color: var(--text-secondary, #666);
+  font-weight: 500;
+}
+
+.summaryVal {
+  display: flex;
+  align-items: center;
+  gap: 0.375rem;
+  font-size: 0.875rem;
+  color: var(--text-primary);
+  font-weight: 500;
+}
+
+/* Back button (step 1 consent screen) */
+.stepNavLeft {
+  margin-top: 0.75rem;
+  display: flex;
+}
+
+.navBack {
+  background: none;
+  border: none;
+  padding: 0.25rem 0;
+  font-size: 0.8125rem;
+  color: var(--text-secondary, #666);
+  cursor: pointer;
+  text-decoration: underline;
+}
+
+.navBack:hover {
+  color: var(--text-primary);
+}
+
+/* Cost estimate hint */
+.costHint {
+  display: flex;
+  align-items: flex-start;
+  gap: 0.625rem;
+  padding: 0.75rem 1rem;
+  background: var(--info-bg, #eff6ff);
+  border: 1px solid var(--info-border, #bfdbfe);
+  border-radius: 8px;
+  font-size: 0.8125rem;
+}
+
+.costHintIcon {
+  flex-shrink: 0;
+  margin-top: 2px;
+  color: var(--info-color, #3b82f6);
+}
+
+.costHint > div {
+  display: flex;
+  flex-direction: column;
+  gap: 0.25rem;
+  width: 100%;
+}
+
+.costHintTitle {
+  font-weight: 600;
+  color: var(--text-primary);
+  margin-bottom: 0.125rem;
+}
+
+.costTable {
+  border-collapse: collapse;
+  width: 100%;
+  font-size: 0.8125rem;
+}
+
+.costLabel {
+  color: var(--text-secondary, #555);
+  padding-right: 1rem;
+  white-space: nowrap;
+}
+
+.costVal {
+  font-weight: 600;
+  color: var(--info-color, #1d4ed8);
+}
+
+.costRowNeut .costLabel,
+.costRowNeut .costVal {
+  padding-top: 0.125rem;
+}
+
+.costRowNeut .costVal {
+  color: #b45309;
+}
+
+.costHintWarn {
+  font-size: 0.75rem;
+  color: #b45309;
+  font-weight: 500;
+  line-height: 1.4;
+}
+
+.costHintNote {
+  color: var(--text-secondary, #555);
+  font-size: 0.75rem;
+}
+
+:global(.dark-theme) .costHint {
+  background: rgba(59, 130, 246, 0.08);
+  border-color: rgba(59, 130, 246, 0.3);
+}
+
+:global(.dark-theme) .costVal {
+  color: #93c5fd;
+}
+
+:global(.dark-theme) .costRowNeut .costVal,
+:global(.dark-theme) .costHintWarn {
+  color: #fbbf24;
+}
+
+/* Navigation */
+.stepNav {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-top: auto;
+  padding-top: 0.5rem;
+  gap: 0.75rem;
+}
+
+.navBack {
+  padding: 0.5rem 1rem;
+  background: var(--surface-color);
+  color: var(--text-secondary, #666);
+  border: 1px solid var(--border-color, #ddd);
+  border-radius: 6px;
+  font-size: 0.875rem;
+  font-weight: 500;
+  cursor: pointer;
+  transition: background 0.2s;
+}
+
+.navBack:hover {
+  background: var(--bg-secondary, #f5f5f5);
+}
+
+.navNext {
+  display: flex;
+  align-items: center;
+  gap: 0.375rem;
+  padding: 0.5rem 1.25rem;
+  background: var(--primary-color, #f25843);
+  color: white;
+  border: none;
+  border-radius: 6px;
+  font-size: 0.875rem;
+  font-weight: 500;
+  cursor: pointer;
+  transition: background 0.2s;
+}
+
+.navNext:hover {
+  background: var(--primary-dark, #d94d3a);
+}
+
+.navConnect {
+  display: flex;
+  align-items: center;
+  gap: 0.375rem;
+  padding: 0.625rem 1.5rem;
+  background: var(--primary-color, #f25843);
+  color: white;
+  border: none;
+  border-radius: 6px;
+  font-size: 0.9375rem;
+  font-weight: 600;
+  cursor: pointer;
+  transition: background 0.2s;
+}
+
+.navConnect:hover:not(:disabled) {
+  background: var(--primary-dark, #d94d3a);
+}
+
+.navConnect:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+}
+
+/* Dark theme */
+:global(.dark-theme) .connectorCard {
+  background: var(--surface-color);
+}
+
+:global(.dark-theme) .prefSelect,
+:global(.dark-theme) .prefNumber {
+  background: var(--surface-color);
+  color: var(--text-primary);
+}
+
+:global(.dark-theme) .summary {
+  border-color: var(--border-color);
+}
+
+:global(.dark-theme) .summaryRow {
+  border-color: var(--border-color);
+}

src/components/AddConnectionWizard/AddConnectionWizard.tsx

@@ -0,0 +1,520 @@
+/**
+ * AddConnectionWizard
+ *
+ * Multi-step modal for adding a new connector with optional knowledge
+ * ingestion consent and per-connection preferences (§2.6).
+ *
+ * Steps:
+ *   0 — Connector wählen
+ *   1 — Consent (Wissensdatenbank Ja/Nein)
+ *   2 — Präferenzen (nur wenn Ja)
+ *   3 — Zusammenfassung + OAuth starten
+ */
+
+import React, { useState } from 'react';
+import { Modal } from '../UiComponents/Modal/Modal';
+import { FaGoogle, FaMicrosoft, FaTasks, FaDatabase, FaShieldAlt, FaCheck, FaArrowRight, FaInfoCircle } from 'react-icons/fa';
+import type { KnowledgePreferences } from '../../api/connectionApi';
+import styles from './AddConnectionWizard.module.css';
+
+// ---------------------------------------------------------------------------
+// Types
+// ---------------------------------------------------------------------------
+
+export type ConnectorType = 'google' | 'msft' | 'clickup';
+
+interface WizardState {
+  step: 0 | 1 | 2 | 3;
+  connector: ConnectorType | null;
+  knowledgeEnabled: boolean;
+  prefs: KnowledgePreferences;
+}
+
+const DEFAULT_PREFS: KnowledgePreferences = {
+  schemaVersion: 1,
+  neutralizeBeforeEmbed: false,
+  mailContentDepth: 'full',
+  mailIndexAttachments: false,
+  filesIndexBinaries: true,
+  clickupScope: 'title_description',
+  clickupIndexAttachments: false,
+  maxAgeDays: 90,
+};
+
+const CONNECTOR_LABELS: Record<ConnectorType, string> = {
+  google: 'Google',
+  msft: 'Microsoft 365',
+  clickup: 'ClickUp',
+};
+
+const CONNECTOR_ICONS: Record<ConnectorType, React.ReactNode> = {
+  google: <FaGoogle style={{ color: '#4285f4' }} />,
+  msft: <FaMicrosoft style={{ color: '#00a4ef' }} />,
+  clickup: <FaTasks style={{ color: '#7b68ee' }} />,
+};
+
+// ---------------------------------------------------------------------------
+// Cost estimate helper
+// ---------------------------------------------------------------------------
+
+/**
+ * Returns a cost estimate broken into two lines:
+ *
+ * 1. Embedding (OpenAI text-embedding-3-small, $0.02 / 1M tokens) — always tiny.
+ * 2. Neutralization (Private LLM / qwen2.5 on-premise, CHF 0.01 per LLM call)
+ *    — this is the DOMINANT cost when enabled.  One call per email/task for
+ *    short content; several calls for long threads or files.
+ *
+ * Numbers are conservative ranges.  Subsequent syncs are cheaper because
+ * unchanged content is deduplicated before any LLM/embedding call.
+ */
+function computeCostEstimate(
+  connector: ConnectorType | null,
+  prefs: KnowledgePreferences,
+): {
+  embeddingLow: string;
+  embeddingHigh: string;
+  neutralizationLow: string | null;
+  neutralizationHigh: string | null;
+  note: string;
+} | null {
+  if (!connector) return null;
+
+  // ---- Embedding (OpenAI, USD) ----
+  const EMBED_USD_PER_M = 0.02;
+  const tokensPerMail: Record<string, number> = { metadata: 30, snippet: 120, full: 500 };
+  const depth = prefs.mailContentDepth ?? 'full';
+  const maxAge = prefs.maxAgeDays ?? 90;
+  const mailCount = Math.min(500, Math.round((maxAge / 90) * 500));
+  const taskCount = Math.min(500, Math.round((maxAge / 90) * 300));
+
+  let embedLowTokens = 0;
+  let embedHighTokens = 0;
+
+  if (connector === 'google' || connector === 'msft') {
+    const mailTokens = mailCount * tokensPerMail[depth];
+    embedLowTokens += mailTokens * 0.6;
+    embedHighTokens += mailTokens * 1.5 + 500_000; // Drive/SharePoint
+    if (prefs.mailIndexAttachments) embedHighTokens += 200_000;
+  } else if (connector === 'clickup') {
+    const scope = prefs.clickupScope ?? 'title_description';
+    const tpt = scope === 'titles' ? 30 : scope === 'title_description' ? 200 : 400;
+    embedLowTokens += taskCount * tpt * 0.6;
+    embedHighTokens += taskCount * tpt * 1.5;
+  }
+
+  const fmtUsd = (tokens: number) => {
+    const usd = (tokens / 1_000_000) * EMBED_USD_PER_M;
+    if (usd < 0.001) return '< 0.01 $';
+    if (usd < 0.10) return `~${usd.toFixed(3)} $`;
+    return `~${usd.toFixed(2)} $`;
+  };
+
+  // ---- Neutralization (Private LLM, CHF 0.01/call) ----
+  // Each item (email / task / file) = 1 LLM call for short content,
+  // 2-4 for long threads/documents.
+  const NEUT_CHF_PER_CALL = 0.01;
+  let neutLow: string | null = null;
+  let neutHigh: string | null = null;
+
+  if (prefs.neutralizeBeforeEmbed) {
+    let lowCalls = 0;
+    let highCalls = 0;
+
+    if (connector === 'google' || connector === 'msft') {
+      lowCalls += mailCount * 1;     // 1 call / short email
+      highCalls += mailCount * 3;    // up to 3 calls / long thread
+      lowCalls += 20;                // Drive/SharePoint files (low)
+      highCalls += 200;              // Drive/SharePoint files (high, large PDFs)
+    } else if (connector === 'clickup') {
+      lowCalls += taskCount * 1;
+      highCalls += taskCount * 2;
+    }
+
+    const fmtChf = (calls: number) => {
+      const chf = calls * NEUT_CHF_PER_CALL;
+      if (chf < 0.01) return '< 0.01 CHF';
+      return `~${chf.toFixed(2)} CHF`;
+    };
+
+    neutLow = fmtChf(lowCalls);
+    neutHigh = fmtChf(highCalls);
+  }
+
+  return {
+    embeddingLow: fmtUsd(embedLowTokens),
+    embeddingHigh: fmtUsd(embedHighTokens),
+    neutralizationLow: neutLow,
+    neutralizationHigh: neutHigh,
+    note: 'Einmalig beim ersten Sync. Folge-Syncs kosten weniger (nur neue Inhalte).',
+  };
+}
+
+// ---------------------------------------------------------------------------
+// Props
+// ---------------------------------------------------------------------------
+
+interface AddConnectionWizardProps {
+  open: boolean;
+  onClose: () => void;
+  onConnect: (
+    type: ConnectorType,
+    knowledgeEnabled: boolean,
+    prefs: KnowledgePreferences | null,
+  ) => Promise<void>;
+  isConnecting?: boolean;
+}
+
+// ---------------------------------------------------------------------------
+// Component
+// ---------------------------------------------------------------------------
+
+export const AddConnectionWizard: React.FC<AddConnectionWizardProps> = ({
+  open,
+  onClose,
+  onConnect,
+  isConnecting = false,
+}) => {
+  const [state, setState] = useState<WizardState>({
+    step: 0,
+    connector: null,
+    knowledgeEnabled: false,
+    prefs: { ...DEFAULT_PREFS },
+  });
+
+  const reset = () =>
+    setState({ step: 0, connector: null, knowledgeEnabled: false, prefs: { ...DEFAULT_PREFS } });
+
+  const handleClose = () => {
+    reset();
+    onClose();
+  };
+
+  const setStep = (step: WizardState['step']) => setState(s => ({ ...s, step }));
+  const setConnector = (connector: ConnectorType) =>
+    setState(s => ({ ...s, connector, step: 1 }));
+  const setKnowledgeEnabled = (v: boolean) =>
+    setState(s => ({ ...s, knowledgeEnabled: v, step: v ? 2 : 3 }));
+  const updatePref = <K extends keyof KnowledgePreferences>(key: K, value: KnowledgePreferences[K]) =>
+    setState(s => ({ ...s, prefs: { ...s.prefs, [key]: value } }));
+
+  const handleConnect = async () => {
+    if (!state.connector) return;
+    await onConnect(
+      state.connector,
+      state.knowledgeEnabled,
+      state.knowledgeEnabled ? state.prefs : null,
+    );
+    reset();
+    onClose();
+  };
+
+  const visibleSteps = state.knowledgeEnabled
+    ? [0, 1, 2, 3]
+    : [0, 1, 3];
+
+  return (
+    <Modal
+      open={open}
+      onClose={handleClose}
+      title="Verbindung hinzufügen"
+      size="md"
+      closeOnEscape
+    >
+      {/* Stepper */}
+      <div className={styles.stepper}>
+        {[0, 1, 2, 3].map(i => (
+          <div
+            key={i}
+            className={[
+              styles.stepDot,
+              state.step === i ? styles.stepDotActive : '',
+              state.step > i ? styles.stepDotDone : '',
+              !visibleSteps.includes(i) ? styles.stepDotHidden : '',
+            ].join(' ')}
+          >
+            {state.step > i ? <FaCheck size={10} /> : i + 1}
+          </div>
+        ))}
+      </div>
+
+      <div className={styles.body}>
+        {/* ---- Step 0: Connector ---- */}
+        {state.step === 0 && (
+          <div className={styles.stepContent}>
+            <h3 className={styles.stepTitle}>Anbieter wählen</h3>
+            <p className={styles.stepHint}>Welchen Dienst möchtest du verbinden?</p>
+            <div className={styles.connectorGrid}>
+              {(['google', 'msft', 'clickup'] as ConnectorType[]).map(type => (
+                <button
+                  key={type}
+                  type="button"
+                  className={styles.connectorCard}
+                  onClick={() => setConnector(type)}
+                >
+                  <span className={styles.connectorIcon}>{CONNECTOR_ICONS[type]}</span>
+                  <span className={styles.connectorLabel}>{CONNECTOR_LABELS[type]}</span>
+                </button>
+              ))}
+            </div>
+          </div>
+        )}
+
+        {/* ---- Step 1: Consent ---- */}
+        {state.step === 1 && (
+          <div className={styles.stepContent}>
+            <div className={styles.consentIcon}><FaDatabase size={32} /></div>
+            <h3 className={styles.stepTitle}>Wissensdatenbank</h3>
+            <p className={styles.stepBody}>
+              Möchtest du Inhalte aus dieser Verbindung in deine persönliche
+              Wissensdatenbank aufnehmen, damit die KI beim Antworten auf Informationen
+              aus{' '}
+              {state.connector ? CONNECTOR_LABELS[state.connector] : 'diesem Dienst'}{' '}
+              zurückgreifen kann?
+            </p>
+            <p className={styles.stepHint}>
+              Du kannst diese Einstellung später in den Verbindungsdetails ändern.
+            </p>
+            <div className={styles.consentButtons}>
+              <button
+                type="button"
+                className={styles.consentButtonYes}
+                onClick={() => setKnowledgeEnabled(true)}
+              >
+                <FaCheck /> Ja, aufnehmen
+              </button>
+              <button
+                type="button"
+                className={styles.consentButtonNo}
+                onClick={() => setKnowledgeEnabled(false)}
+              >
+                Nein, überspringen
+              </button>
+            </div>
+            <div className={styles.stepNavLeft}>
+              <button type="button" className={styles.navBack} onClick={() => setStep(0)}>
+                Zurück
+              </button>
+            </div>
+          </div>
+        )}
+
+        {/* ---- Step 2: Preferences ---- */}
+        {state.step === 2 && (
+          <div className={styles.stepContent}>
+            <h3 className={styles.stepTitle}>Einstellungen</h3>
+            <p className={styles.stepHint}>
+              Steuere, welche Inhalte und in welcher Form sie indexiert werden.
+            </p>
+
+            <div className={styles.prefGroup}>
+              <label className={styles.prefLabel}>
+                <FaShieldAlt className={styles.prefIcon} />
+                Anonymisierung vor dem Indexieren
+                <input
+                  type="checkbox"
+                  checked={!!state.prefs.neutralizeBeforeEmbed}
+                  onChange={e => updatePref('neutralizeBeforeEmbed', e.target.checked)}
+                  className={styles.prefCheck}
+                />
+              </label>
+              <p className={styles.prefHint}>
+                Persönliche Daten (Namen, E-Mail-Adressen) werden vor dem Speichern ersetzt.
+              </p>
+            </div>
+
+            {(state.connector === 'google' || state.connector === 'msft') && (
+              <>
+                <div className={styles.prefGroup}>
+                  <label className={styles.prefLabelRow}>
+                    E-Mail-Inhalt
+                    <select
+                      value={state.prefs.mailContentDepth ?? 'full'}
+                      onChange={e => updatePref('mailContentDepth', e.target.value as any)}
+                      className={styles.prefSelect}
+                    >
+                      <option value="metadata">Nur Metadaten (Betreff, Absender, Datum)</option>
+                      <option value="snippet">Vorschautext (ca. 250 Zeichen)</option>
+                      <option value="full">Vollständiger Text</option>
+                    </select>
+                  </label>
+                </div>
+                <div className={styles.prefGroup}>
+                  <label className={styles.prefLabel}>
+                    E-Mail-Anhänge indexieren
+                    <input
+                      type="checkbox"
+                      checked={!!state.prefs.mailIndexAttachments}
+                      onChange={e => updatePref('mailIndexAttachments', e.target.checked)}
+                      className={styles.prefCheck}
+                    />
+                  </label>
+                </div>
+              </>
+            )}
+
+            {state.connector === 'clickup' && (
+              <div className={styles.prefGroup}>
+                <label className={styles.prefLabelRow}>
+                  Aufgaben-Inhalt
+                  <select
+                    value={state.prefs.clickupScope ?? 'title_description'}
+                    onChange={e => updatePref('clickupScope', e.target.value as any)}
+                    className={styles.prefSelect}
+                  >
+                    <option value="titles">Nur Aufgabentitel</option>
+                    <option value="title_description">Titel + Beschreibung</option>
+                    <option value="with_comments">Titel + Beschreibung + Kommentare</option>
+                  </select>
+                </label>
+              </div>
+            )}
+
+            <div className={styles.prefGroup}>
+              <label className={styles.prefLabelRow}>
+                Zeitfenster (Tage)
+                <input
+                  type="number"
+                  min={0}
+                  max={3650}
+                  value={state.prefs.maxAgeDays ?? 90}
+                  onChange={e => updatePref('maxAgeDays', parseInt(e.target.value, 10) || 0)}
+                  className={styles.prefNumber}
+                />
+              </label>
+              <p className={styles.prefHint}>0 = kein Limit</p>
+            </div>
+
+            <div className={styles.stepNav}>
+              <button type="button" className={styles.navBack} onClick={() => setStep(1)}>
+                Zurück
+              </button>
+              <button type="button" className={styles.navNext} onClick={() => setStep(3)}>
+                Weiter <FaArrowRight size={12} />
+              </button>
+            </div>
+          </div>
+        )}
+
+        {/* ---- Step 3: Summary ---- */}
+        {state.step === 3 && (
+          <div className={styles.stepContent}>
+            <h3 className={styles.stepTitle}>Zusammenfassung</h3>
+            <div className={styles.summary}>
+              <div className={styles.summaryRow}>
+                <span className={styles.summaryKey}>Anbieter</span>
+                <span className={styles.summaryVal}>
+                  {CONNECTOR_ICONS[state.connector!]}&nbsp;
+                  {state.connector ? CONNECTOR_LABELS[state.connector] : '—'}
+                </span>
+              </div>
+              <div className={styles.summaryRow}>
+                <span className={styles.summaryKey}>Wissensdatenbank</span>
+                <span className={styles.summaryVal}>
+                  {state.knowledgeEnabled ? '✓ Aktiv' : '✗ Nicht aktiv'}
+                </span>
+              </div>
+              {state.knowledgeEnabled && (
+                <>
+                  <div className={styles.summaryRow}>
+                    <span className={styles.summaryKey}>Anonymisierung</span>
+                    <span className={styles.summaryVal}>
+                      {state.prefs.neutralizeBeforeEmbed ? 'Ja' : 'Nein'}
+                    </span>
+                  </div>
+                  {(state.connector === 'google' || state.connector === 'msft') && (
+                    <div className={styles.summaryRow}>
+                      <span className={styles.summaryKey}>E-Mail-Tiefe</span>
+                      <span className={styles.summaryVal}>
+                        {{ metadata: 'Nur Metadaten', snippet: 'Vorschautext', full: 'Volltext' }[
+                          state.prefs.mailContentDepth ?? 'full'
+                        ] ?? state.prefs.mailContentDepth}
+                      </span>
+                    </div>
+                  )}
+                  {state.connector === 'clickup' && (
+                    <div className={styles.summaryRow}>
+                      <span className={styles.summaryKey}>Aufgaben-Inhalt</span>
+                      <span className={styles.summaryVal}>
+                        {{
+                          titles: 'Nur Titel',
+                          title_description: 'Titel + Beschreibung',
+                          with_comments: 'Titel + Beschreibung + Kommentare',
+                        }[state.prefs.clickupScope ?? 'title_description'] ?? state.prefs.clickupScope}
+                      </span>
+                    </div>
+                  )}
+                  <div className={styles.summaryRow}>
+                    <span className={styles.summaryKey}>Zeitfenster</span>
+                    <span className={styles.summaryVal}>
+                      {state.prefs.maxAgeDays ? `${state.prefs.maxAgeDays} Tage` : 'Unbegrenzt'}
+                    </span>
+                  </div>
+                </>
+              )}
+            </div>
+
+            {/* Cost estimate — only shown when knowledge ingestion is enabled */}
+            {state.knowledgeEnabled && (() => {
+              const est = computeCostEstimate(state.connector, state.prefs);
+              if (!est) return null;
+              return (
+                <div className={styles.costHint}>
+                  <FaInfoCircle className={styles.costHintIcon} />
+                  <div>
+                    <span className={styles.costHintTitle}>Geschätzte Kosten (erster Sync)</span>
+                    <table className={styles.costTable}>
+                      <tbody>
+                        <tr>
+                          <td className={styles.costLabel}>Embedding</td>
+                          <td className={styles.costVal}>
+                            {est.embeddingLow} – {est.embeddingHigh}
+                          </td>
+                        </tr>
+                        {est.neutralizationLow && (
+                          <tr className={styles.costRowNeut}>
+                            <td className={styles.costLabel}>Anonymisierung (Private LLM)</td>
+                            <td className={styles.costVal}>
+                              {est.neutralizationLow} – {est.neutralizationHigh}
+                            </td>
+                          </tr>
+                        )}
+                      </tbody>
+                    </table>
+                    {est.neutralizationLow && (
+                      <span className={styles.costHintWarn}>
+                        ⚠ Anonymisierung ist der Hauptkostentreiber (CHF 0.01 pro LLM-Aufruf, on-premise).
+                      </span>
+                    )}
+                    <span className={styles.costHintNote}>{est.note}</span>
+                  </div>
+                </div>
+              );
+            })()}
+
+            <div className={styles.stepNav}>
+              <button
+                type="button"
+                className={styles.navBack}
+                onClick={() => setStep(state.knowledgeEnabled ? 2 : 1)}
+              >
+                Zurück
+              </button>
+              <button
+                type="button"
+                className={styles.navConnect}
+                onClick={handleConnect}
+                disabled={isConnecting}
+              >
+                {isConnecting ? 'Verbinden…' : `Mit ${state.connector ? CONNECTOR_LABELS[state.connector] : '…'} verbinden`}
+                {!isConnecting && <FaArrowRight size={12} />}
+              </button>
+            </div>
+          </div>
+        )}
+      </div>
+    </Modal>
+  );
+};
+
+export default AddConnectionWizard;

src/components/FlowEditor/context/Automation2DataFlowContext.tsx

@@ -6,7 +6,7 @@
 import React, { createContext, useContext, useMemo } from 'react';
 import type { CanvasNode, CanvasConnection } from '../editor/FlowCanvas';
 import { getAvailableSources } from '../nodes/shared/dataFlowGraph';
-import type { ApiRequestFunction, NodeType, PortField, PortSchema, SystemVariable } from '../../../api/workflowApi';
+import type { ApiRequestFunction, FormFieldType, NodeType, PortField, PortSchema, SystemVariable } from '../../../api/workflowApi';
 
 export interface Automation2DataFlowContextValue {
   currentNodeId: string;
@@ -17,6 +17,8 @@ export interface Automation2DataFlowContextValue {
   language: string;
   portTypeCatalog: Record<string, PortSchema>;
   systemVariables: Record<string, SystemVariable>;
+  /** Canonical form field types from the API — maps UI type id to portType primitive. */
+  formFieldTypes: FormFieldType[];
   getNodeLabel: (node: { id: string; title?: string; label?: string; type?: string }) => string;
   getAvailableSourceIds: () => string[];
   /** Present when rendered inside the flow editor (ConnectionPicker / tools). */
@@ -41,6 +43,7 @@ interface Automation2DataFlowProviderProps {
   language: string;
   portTypeCatalog?: Record<string, PortSchema>;
   systemVariables?: Record<string, SystemVariable>;
+  formFieldTypes?: FormFieldType[];
   instanceId?: string;
   request?: ApiRequestFunction;
   children: React.ReactNode;
@@ -55,12 +58,18 @@ export const Automation2DataFlowProvider: React.FC<Automation2DataFlowProviderPr
   language,
   portTypeCatalog = {},
   systemVariables = {},
+  formFieldTypes = [],
   instanceId,
   request,
   children,
 }) => {
   const value = useMemo((): Automation2DataFlowContextValue | null => {
     if (!node) return null;
+    const formTypeToPort: Record<string, string> = Object.fromEntries(
+      formFieldTypes.map((f) => [f.id, f.portType])
+    );
+    const resolvePortType = (rawType: string): string => formTypeToPort[rawType] ?? rawType;
+
     const parseGraphDefinedSchema = (parameterKey: string): PortSchema | null => {
       const raw = node.parameters?.[parameterKey];
       if (!Array.isArray(raw)) return null;
@@ -72,8 +81,8 @@ export const Automation2DataFlowProvider: React.FC<Automation2DataFlowProviderPr
         const lab = rec.label;
         const desc =
           typeof lab === 'string' ? lab : typeof lab === 'object' && lab !== null ? String((lab as Record<string, string>).de ?? '') : '';
-        const ftype = typeof rec.type === 'string' ? rec.type : 'str';
-        if (ftype === 'group' && Array.isArray(rec.fields)) {
+        const rawType = typeof rec.type === 'string' ? rec.type : 'str';
+        if (rawType === 'group' && Array.isArray(rec.fields)) {
           for (const sub of rec.fields as Record<string, unknown>[]) {
             if (!sub || typeof sub.name !== 'string') continue;
             const sl = sub.label;
@@ -85,7 +94,7 @@ export const Automation2DataFlowProvider: React.FC<Automation2DataFlowProviderPr
                   : '';
             fields.push({
               name: `${rec.name}.${sub.name}`,
-              type: typeof sub.type === 'string' ? sub.type : 'str',
+              type: resolvePortType(typeof sub.type === 'string' ? sub.type : 'str'),
               description: (sdesc && sdesc.trim()) || `${rec.name}.${sub.name}`,
               required: Boolean(sub.required),
             });
@@ -94,7 +103,7 @@ export const Automation2DataFlowProvider: React.FC<Automation2DataFlowProviderPr
         }
         fields.push({
           name: rec.name,
-          type: ftype,
+          type: resolvePortType(rawType),
           description: (desc && desc.trim()) || rec.name,
           required: Boolean(rec.required),
         });
@@ -110,6 +119,7 @@ export const Automation2DataFlowProvider: React.FC<Automation2DataFlowProviderPr
       language,
       portTypeCatalog,
       systemVariables,
+      formFieldTypes,
       getNodeLabel: (n: { id: string; title?: string; label?: string; type?: string }) =>
         n.title ?? n.label ?? n.type ?? n.id,
       getAvailableSourceIds: () => getAvailableSources(node.id, nodes, connections),
@@ -117,7 +127,7 @@ export const Automation2DataFlowProvider: React.FC<Automation2DataFlowProviderPr
       request,
       parseGraphDefinedSchema,
     };
-  }, [node, nodes, connections, nodeOutputsPreview, nodeTypes, language, portTypeCatalog, systemVariables, instanceId, request]);
+  }, [node, nodes, connections, nodeOutputsPreview, nodeTypes, language, portTypeCatalog, systemVariables, formFieldTypes, instanceId, request]);
 
   return (
     <Automation2DataFlowContext.Provider value={value}>

src/components/FlowEditor/editor/Automation2FlowEditor.module.css

@@ -1725,6 +1725,35 @@
   margin-left: 4px;
 }
 
+/* Type-mismatch warning badge (⚠) — shown instead of hiding incompatible fields. */
+.dataPickerMismatchBadge {
+  font-size: 10px;
+  margin-left: 4px;
+  color: var(--color-warning, #f59e0b);
+  flex-shrink: 0;
+}
+
+/* Recommended pick: subtle highlight on the row */
+.dataPickerLeafRecommended {
+  font-weight: 500;
+}
+
+/* "Empfohlen" pill shown on recommended entries */
+.dataPickerRecommendedPill {
+  display: inline-block;
+  font-size: 9px;
+  font-weight: 600;
+  text-transform: uppercase;
+  letter-spacing: 0.03em;
+  padding: 1px 5px;
+  border-radius: 10px;
+  margin-left: 5px;
+  background: var(--color-primary-light, #dbeafe);
+  color: var(--color-primary, #2563eb);
+  flex-shrink: 0;
+  vertical-align: middle;
+}
+
 /* "iterieren" affordance — visually distinct (subtle accent), readable on
  * the picker's white background and on the leaf's blue hover background. */
 .dataPickerIterateBtn {

src/components/FlowEditor/editor/Automation2FlowEditor.tsx

@@ -59,6 +59,7 @@ import styles from './Automation2FlowEditor.module.css';
 
 import { useLanguage } from '../../../providers/language/LanguageContext';
 import { useToast } from '../../../contexts/ToastContext';
+import { useFeatureStore } from '../../../stores/featureStore';
 
 const LOG = '[Automation2]';
 
@@ -98,6 +99,7 @@ export const Automation2FlowEditor: React.FC<Automation2FlowEditorProps> = ({ in
   const [categories, setCategories] = useState<NodeTypeCategory[]>([]);
   const [portTypeCatalog, setPortTypeCatalog] = useState<Record<string, unknown>>({});
   const [systemVariables, setSystemVariables] = useState<Record<string, unknown>>({});
+  const [formFieldTypes, setFormFieldTypes] = useState<import('../../../api/workflowApi').FormFieldType[]>([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);
   const [filter, setFilter] = useState('');
@@ -133,6 +135,15 @@ export const Automation2FlowEditor: React.FC<Automation2FlowEditorProps> = ({ in
   const [currentVersionId, setCurrentVersionId] = useState<string | null>(null);
   const [versionLoading, setVersionLoading] = useState(false);
 
+  const [targetFeatureInstanceId, setTargetFeatureInstanceId] = useState<string | null>(instanceId);
+  const featureStore = useFeatureStore();
+  const targetInstanceOptions = useMemo(() => {
+    const allInstances = featureStore.getAllInstances();
+    return allInstances
+      .filter((inst) => inst.mandateId === mandateId || !mandateId)
+      .map((inst) => ({ id: inst.id, label: inst.instanceLabel || inst.featureCode || inst.id }));
+  }, [featureStore, mandateId]);
+
   const [leftPanelWidth, setLeftPanelWidth] = useState(() => {
     try { const v = parseInt(localStorage.getItem('flowEditor.leftPanelWidth') ?? ''); return v >= 240 && v <= 600 ? v : 340; } catch { return 340; }
   });
@@ -297,7 +308,7 @@ export const Automation2FlowEditor: React.FC<Automation2FlowEditorProps> = ({ in
     setSaving(true);
     try {
       if (currentWorkflowId) {
-        await updateWorkflow(request, instanceId, currentWorkflowId, { graph, invocations });
+        await updateWorkflow(request, instanceId, currentWorkflowId, { graph, invocations, targetFeatureInstanceId });
         setExecuteResult(_buildSaveResult());
       } else {
         const label = await promptInput(t('Workflow-Name:'), {
@@ -313,6 +324,7 @@ export const Automation2FlowEditor: React.FC<Automation2FlowEditorProps> = ({ in
           label: label.trim() || t('Neuer Workflow'),
           graph,
           invocations,
+          targetFeatureInstanceId,
         });
         setCurrentWorkflowId(created.id);
         if (created.invocations?.length) setInvocations(created.invocations);
@@ -324,7 +336,7 @@ export const Automation2FlowEditor: React.FC<Automation2FlowEditorProps> = ({ in
     } finally {
       setSaving(false);
     }
-  }, [request, instanceId, canvasNodes, canvasConnections, currentWorkflowId, promptInput, invocations, t, nodeErrors]);
+  }, [request, instanceId, canvasNodes, canvasConnections, currentWorkflowId, promptInput, invocations, t, nodeErrors, targetFeatureInstanceId]);
 
   const handleLoad = useCallback(
     async (workflowId: string) => {
@@ -335,6 +347,7 @@ export const Automation2FlowEditor: React.FC<Automation2FlowEditorProps> = ({ in
         } else {
           applyGraphWithSync({ nodes: [], connections: [] }, wf.invocations);
         }
+        setTargetFeatureInstanceId(wf.targetFeatureInstanceId ?? instanceId);
         setWorkflows((prev) => {
           const idx = prev.findIndex((w) => w.id === workflowId);
           if (idx === -1) return [...prev, wf];
@@ -447,6 +460,7 @@ export const Automation2FlowEditor: React.FC<Automation2FlowEditorProps> = ({ in
         setRegistryCatalog(data.portTypeCatalog as never);
       }
       if (data.systemVariables) setSystemVariables(data.systemVariables);
+      if (data.formFieldTypes) setFormFieldTypes(data.formFieldTypes);
     } catch (err: unknown) {
       setError(err instanceof Error ? err.message : String(err));
       setNodeTypes([]);
@@ -661,6 +675,17 @@ export const Automation2FlowEditor: React.FC<Automation2FlowEditorProps> = ({ in
     [request, instanceId, handleFromApiGraph]
   );
 
+  const handleTargetInstanceChange = useCallback(async (newTargetId: string) => {
+    setTargetFeatureInstanceId(newTargetId || null);
+    if (currentWorkflowId && newTargetId) {
+      try {
+        await updateWorkflow(request, instanceId, currentWorkflowId, { targetFeatureInstanceId: newTargetId });
+      } catch (e: unknown) {
+        console.error(`${LOG} target instance update failed`, e);
+      }
+    }
+  }, [request, instanceId, currentWorkflowId]);
+
   const handleWorkflowRename = useCallback(async (workflowId: string, newName: string) => {
     try {
       await updateWorkflow(request, instanceId, workflowId, { label: newName });
@@ -836,6 +861,9 @@ export const Automation2FlowEditor: React.FC<Automation2FlowEditorProps> = ({ in
           onAutoLayout={handleAutoLayout}
           verboseSchema={verboseSchema}
           onVerboseSchemaChange={setVerboseSchema}
+          targetFeatureInstanceId={targetFeatureInstanceId}
+          onTargetInstanceChange={handleTargetInstanceChange}
+          targetInstanceOptions={targetInstanceOptions}
         />
         <div className={styles.canvasArea} style={{ display: 'flex', flex: 1, minWidth: 0 }}>
           <div style={{ flex: 1, minWidth: 0 }}>
@@ -878,6 +906,7 @@ export const Automation2FlowEditor: React.FC<Automation2FlowEditorProps> = ({ in
               language={language}
               portTypeCatalog={portTypeCatalog as Record<string, never>}
               systemVariables={systemVariables as Record<string, never>}
+              formFieldTypes={formFieldTypes}
               instanceId={instanceId}
               request={request}
             >

src/components/FlowEditor/editor/CanvasHeader.tsx

@@ -10,6 +10,11 @@ import styles from './Automation2FlowEditor.module.css';
 import { useLanguage } from '../../../providers/language/LanguageContext';
 import { getUserDataCache } from '../../../utils/userCache';
 
+interface TargetInstanceOption {
+  id: string;
+  label: string;
+}
+
 interface CanvasHeaderProps {
   workflows: Automation2Workflow[];
   currentWorkflowId: string | null;
@@ -45,6 +50,9 @@ interface CanvasHeaderProps {
    *  "Schema (Typ-Referenz)" block and per-parameter type-badges. */
   verboseSchema?: boolean;
   onVerboseSchemaChange?: (next: boolean) => void;
+  targetFeatureInstanceId?: string | null;
+  onTargetInstanceChange?: (instanceId: string) => void;
+  targetInstanceOptions?: TargetInstanceOption[];
 }
 
 function _getStatusBadge(t: (key: string) => string): Record<string, { label: string; color: string }> {
@@ -84,6 +92,9 @@ export const CanvasHeader: React.FC<CanvasHeaderProps> = ({ workflows,
   onAutoLayout,
   verboseSchema,
   onVerboseSchemaChange,
+  targetFeatureInstanceId,
+  onTargetInstanceChange,
+  targetInstanceOptions,
 }) => {
   const { t } = useLanguage();
   const _isSysAdmin = getUserDataCache()?.isSysAdmin === true;
@@ -209,6 +220,21 @@ export const CanvasHeader: React.FC<CanvasHeaderProps> = ({ workflows,
               <FaCog />
             </button>
           )}
+          {targetInstanceOptions && targetInstanceOptions.length > 0 && onTargetInstanceChange && (
+            <select
+              className={styles.canvasHeaderWorkflowSelect}
+              value={targetFeatureInstanceId ?? ''}
+              onChange={(e) => onTargetInstanceChange(e.target.value)}
+              aria-label={t('Ziel-Instanz')}
+              title={t('Ziel-Instanz für Daten-Scope')}
+              style={{ maxWidth: 200, fontSize: '0.8rem' }}
+            >
+              <option value="">{t('Ziel-Instanz wählen…')}</option>
+              {targetInstanceOptions.map((opt) => (
+                <option key={opt.id} value={opt.id}>{opt.label}</option>
+              ))}
+            </select>
+          )}
         </div>
 
         <div className={styles.canvasHeaderActionPanel} role="toolbar" aria-label={t('Workflow-Aktionen')}>

src/components/FlowEditor/editor/EditorChatPanel.tsx

@@ -4,7 +4,7 @@
  * AI Chat sidebar for the GraphicalEditor.
  * Streams responses via SSE (same pattern as Workspace chat).
  * File & data-source attachment UX mirrors WorkspaceInput:
- *   - Files: drag & drop from FolderTree onto input area, or click in UDB
+ *   - Files: drag & drop from FilesTab (UDB) onto input area, or click in UDB
  *   - Data Sources: 🔗 picker button next to input (toggle-select from active sources)
  */
 import React, { useState, useCallback, useEffect, useRef } from 'react';
@@ -32,7 +32,7 @@ import { useLanguage } from '../../../providers/language/LanguageContext';
 export interface PendingFile {
   fileId: string;
   fileName: string;
-  itemType?: 'file' | 'folder';
+  itemType?: 'file' | 'group';
 }
 
 export interface EditorDataSource {
@@ -241,7 +241,12 @@ export const EditorChatPanel: React.FC<EditorChatPanelProps> = ({ instanceId,
   }, [_handleSend]);
 
   const _handleDragOver = useCallback((e: React.DragEvent) => {
-    if (e.dataTransfer.types.includes('application/tree-items')) {
+    if (
+      e.dataTransfer.types.includes('application/tree-items') ||
+      e.dataTransfer.types.includes('application/group-id') ||
+      e.dataTransfer.types.includes('application/file-id') ||
+      e.dataTransfer.types.includes('application/file-ids')
+    ) {
       e.preventDefault();
       e.dataTransfer.dropEffect = 'copy';
       setTreeDropOver(true);
@@ -252,6 +257,12 @@ export const EditorChatPanel: React.FC<EditorChatPanelProps> = ({ instanceId,
 
   const _handleDrop = useCallback((e: React.DragEvent) => {
     setTreeDropOver(false);
+    const groupId = e.dataTransfer.getData('application/group-id');
+    if (groupId) {
+      e.preventDefault();
+      e.stopPropagation();
+      return;
+    }
     const treeItemsJson = e.dataTransfer.getData('application/tree-items');
     if (treeItemsJson) {
       e.preventDefault();
@@ -282,11 +293,11 @@ export const EditorChatPanel: React.FC<EditorChatPanelProps> = ({ instanceId,
             <span key={pf.fileId} style={{
               display: 'inline-flex', alignItems: 'center', gap: 4,
               padding: '2px 8px', borderRadius: 12, fontSize: 11,
-              background: pf.itemType === 'folder' ? '#e3f2fd' : '#fff3e0',
-              color: pf.itemType === 'folder' ? '#1565c0' : '#e65100',
-              fontWeight: 500, border: `1px solid ${pf.itemType === 'folder' ? '#bbdefb' : '#ffe0b2'}`,
+              background: pf.itemType === 'group' ? '#e3f2fd' : '#fff3e0',
+              color: pf.itemType === 'group' ? '#1565c0' : '#e65100',
+              fontWeight: 500, border: `1px solid ${pf.itemType === 'group' ? '#bbdefb' : '#ffe0b2'}`,
             }}>
-              {pf.itemType === 'folder' ? '\uD83D\uDCC1' : '\uD83D\uDCCE'} {pf.fileName.length > 20 ? pf.fileName.slice(0, 20) + '...' : pf.fileName}
+              {pf.itemType === 'group' ? '\uD83D\uDCC2' : '\uD83D\uDCCE'} {pf.fileName.length > 20 ? pf.fileName.slice(0, 20) + '...' : pf.fileName}
               {onRemovePendingFile && (
                 <button onClick={() => onRemovePendingFile(pf.fileId)} style={{
                   border: 'none', background: 'none', cursor: 'pointer', fontSize: 11, color: '#e65100', padding: 0, lineHeight: 1,

src/components/FlowEditor/editor/FlowCanvas.tsx

@@ -280,9 +280,10 @@ export const FlowCanvas: React.FC<FlowCanvasProps> = ({ nodes,
         const reservedMimes = new Set([
           'application/json',
           'application/tree-items',
+          'application/group-file-ids',
           'application/file-id',
           'application/file-ids',
-          'application/folder-id',
+          'application/group-id',
         ]);
         for (const mime of Array.from(e.dataTransfer.types)) {
           if (!mime.startsWith('application/') || reservedMimes.has(mime)) continue;

src/components/FlowEditor/editor/NodeConfigPanel.tsx

@@ -332,6 +332,7 @@ const _LEGACY_RENDERERS_THAT_HANDLE_BINDINGS = new Set([
   'filterExpression',
   'attachmentBuilder',
   'json',
+  'modelMultiSelect',
 ]);
 
 function _schemaNamesFromOutputPort(def: { schema?: string | GraphDefinedSchemaRef } | undefined): string[] {

src/components/FlowEditor/nodes/form/FormNodeConfig.tsx

@@ -7,11 +7,16 @@ import { FaGripVertical, FaTimes } from 'react-icons/fa';
 import type { FormField, NodeConfigRendererProps } from '../shared/types';
 import { FORM_FIELD_TYPES, FORM_FIELD_TYPE_LABELS } from '../../../../utils/attributeTypeMapper';
 import styles from '../../editor/Automation2FlowEditor.module.css';
+import { useAutomation2DataFlow } from '../../context/Automation2DataFlowContext';
 
 import { useLanguage } from '../../../../providers/language/LanguageContext';
 
 export const FormNodeConfig: React.FC<NodeConfigRendererProps> = ({ params, updateParam }) => {
   const { t } = useLanguage();
+  const ctx = useAutomation2DataFlow();
+  const fieldTypeOptions = ctx?.formFieldTypes?.length
+    ? ctx.formFieldTypes
+    : FORM_FIELD_TYPES.map((ft) => ({ id: ft, label: FORM_FIELD_TYPE_LABELS[ft] ?? ft, portType: 'str' }));
   const fields = (params.fields as FormField[]) ?? [];
 
   const moveField = (fromIndex: number, toIndex: number) => {
@@ -88,8 +93,8 @@ export const FormNodeConfig: React.FC<NodeConfigRendererProps> = ({ params, upda
                 }}
                 style={{ width: 'auto', minWidth: 90 }}
               >
-                {FORM_FIELD_TYPES.map(ft => (
-                  <option key={ft} value={ft}>{t(FORM_FIELD_TYPE_LABELS[ft])}</option>
+                {fieldTypeOptions.map((ft) => (
+                  <option key={ft.id} value={ft.id}>{t(ft.label)}</option>
                 ))}
               </select>
               <label className={styles.formFieldRequiredLabel}>

src/components/FlowEditor/nodes/frontendTypeRenderers/ContextBuilderRenderer.tsx

@@ -0,0 +1,181 @@
+/**
+ * ContextBuilderRenderer — multi-select context binding for AI nodes.
+ *
+ * Renders a list of DataRef entries (each pointing to an upstream node's output
+ * path). On execution the backend serialises each ref, joins them with double
+ * newlines and prepends the result to the AI prompt.
+ *
+ * Stored value shape:
+ *   [ { type: "ref", nodeId: "...", path: [...], expectedType: "..." }, … ]
+ */
+
+import React from 'react';
+import { useLanguage } from '../../../../providers/language/LanguageContext';
+import { useAutomation2DataFlow } from '../../context/Automation2DataFlowContext';
+import { DataPicker } from '../shared/DataPicker';
+import { isRef, type DataRef, type SystemVarRef } from '../shared/dataRef';
+import type { FieldRendererProps } from './index';
+
+function isRefEntry(v: unknown): v is DataRef {
+  return isRef(v);
+}
+
+function toRefList(raw: unknown): DataRef[] {
+  if (!raw) return [];
+  if (Array.isArray(raw)) return raw.filter(isRefEntry);
+  if (isRefEntry(raw)) return [raw];
+  return [];
+}
+
+const CHIP_STYLE: React.CSSProperties = {
+  display: 'flex',
+  alignItems: 'center',
+  gap: 6,
+  padding: '3px 6px 3px 10px',
+  background: '#eaf6e8',
+  border: '1px solid #5cb85c',
+  borderRadius: 4,
+  fontSize: 12,
+  marginBottom: 4,
+};
+
+const REMOVE_BTN: React.CSSProperties = {
+  padding: '0 5px',
+  border: '1px solid #5cb85c',
+  borderRadius: 3,
+  background: '#fff',
+  color: '#3c763d',
+  cursor: 'pointer',
+  fontSize: 11,
+  marginLeft: 'auto',
+};
+
+export const ContextBuilderRenderer: React.FC<FieldRendererProps> = ({ param, value, onChange }) => {
+  const { t } = useLanguage();
+  const dataFlow = useAutomation2DataFlow();
+  const [pickerOpen, setPickerOpen] = React.useState(false);
+  const dragIndex = React.useRef<number | null>(null);
+
+  const entries = toRefList(value);
+  const sourceIds = dataFlow?.getAvailableSourceIds() ?? [];
+  const hasSources = sourceIds.some((id) => {
+    const n = dataFlow?.nodes.find((x) => x.id === id);
+    return n?.type !== 'trigger.manual';
+  });
+
+  const getRefLabel = (ref: DataRef): string => {
+    const nodeLabel =
+      dataFlow?.getNodeLabel(
+        dataFlow.nodes.find((n) => n.id === ref.nodeId) ?? { id: ref.nodeId },
+      ) ?? ref.nodeId;
+    const pathStr = ref.path.length > 0 ? ref.path.map(String).join('.') : null;
+    return pathStr ? `${nodeLabel} → ${pathStr}` : nodeLabel;
+  };
+
+  const addRef = (picked: DataRef | SystemVarRef) => {
+    if (!isRefEntry(picked)) return;
+    const alreadyIn = entries.some(
+      (e) => e.nodeId === picked.nodeId && e.path.join('.') === picked.path.join('.'),
+    );
+    if (!alreadyIn) {
+      onChange([...entries, picked]);
+    }
+    setPickerOpen(false);
+  };
+
+  const removeRef = (index: number) => {
+    const next = entries.filter((_, i) => i !== index);
+    onChange(next.length ? next : undefined);
+  };
+
+  const moveRef = (fromIndex: number, toIndex: number) => {
+    if (fromIndex === toIndex) return;
+    const next = [...entries];
+    const [moved] = next.splice(fromIndex, 1);
+    next.splice(toIndex, 0, moved);
+    onChange(next);
+  };
+
+  return (
+    <div style={{ marginBottom: 8 }}>
+      <label style={{ display: 'block', fontSize: 12, marginBottom: 4, fontWeight: 600 }}>
+        {param.description || param.name}
+        {param.required && <span style={{ color: '#d9534f', marginLeft: 4 }}>*</span>}
+      </label>
+
+      {entries.length > 0 && (
+        <div style={{ marginBottom: 4 }}>
+          {entries.map((ref, i) => (
+            <div
+              key={`${ref.nodeId}-${ref.path.join('.')}`}
+              style={{ ...CHIP_STYLE, cursor: 'grab' }}
+              draggable
+              onDragStart={() => { dragIndex.current = i; }}
+              onDragOver={(e) => { e.preventDefault(); }}
+              onDrop={() => {
+                if (dragIndex.current != null) moveRef(dragIndex.current, i);
+                dragIndex.current = null;
+              }}
+              onDragEnd={() => { dragIndex.current = null; }}
+            >
+              <span style={{ flex: 1, color: '#2d6a2d' }}>
+                {getRefLabel(ref)}
+              </span>
+              <button type="button" style={REMOVE_BTN} onClick={() => removeRef(i)} title={t('Entfernen')}>
+                ×
+              </button>
+            </div>
+          ))}
+        </div>
+      )}
+
+      {entries.length === 0 && (
+        <div
+          style={{
+            padding: '4px 8px',
+            background: '#f8f8f8',
+            border: '1px dashed #ccc',
+            borderRadius: 4,
+            fontSize: 11,
+            color: '#888',
+            marginBottom: 4,
+          }}
+        >
+          {t('Noch keine Quellen gewählt — wähle Daten aus vorherigen Schritten.')}
+        </div>
+      )}
+
+      <button
+        type="button"
+        onClick={() => setPickerOpen(true)}
+        disabled={!hasSources}
+        style={{
+          width: '100%',
+          padding: '4px 8px',
+          borderRadius: 4,
+          border: `1px solid #1c5fb5`,
+          background: hasSources ? '#fff' : '#f5f5f5',
+          color: hasSources ? '#1c5fb5' : '#999',
+          cursor: hasSources ? 'pointer' : 'not-allowed',
+          fontSize: 12,
+          textAlign: 'left',
+        }}
+      >
+        {hasSources ? t('+ Datenquelle hinzufügen …') : t('Keine vorherigen Nodes verfügbar')}
+      </button>
+
+      {dataFlow && (
+        <DataPicker
+          open={pickerOpen}
+          onClose={() => setPickerOpen(false)}
+          onPick={addRef}
+          availableSourceIds={sourceIds}
+          nodes={dataFlow.nodes}
+          nodeOutputsPreview={dataFlow.nodeOutputsPreview}
+          getNodeLabel={dataFlow.getNodeLabel}
+          expectedParamType={param.type}
+        />
+      )}
+    </div>
+  );
+};

src/components/FlowEditor/nodes/frontendTypeRenderers/TemplateTextareaRenderer.tsx

@@ -0,0 +1,171 @@
+/**
+ * TemplateTextarea — Freitext mit eingebetteten {{nodeId.path}} Tokens.
+ * Tokens werden zur Laufzeit von resolveParameterReferences aufgeloest (Gateway).
+ */
+
+import React, { useCallback, useMemo, useRef, useState } from 'react';
+import type { FieldRendererProps } from './index';
+import { useAutomation2DataFlow } from '../../context/Automation2DataFlowContext';
+import { DataPicker } from '../shared/DataPicker';
+import { formatRefLabel, isRef, isSystemVar, type DataRef, type SystemVarRef } from '../shared/dataRef';
+import { useLanguage } from '../../../../providers/language/LanguageContext';
+import styles from '../../editor/Automation2FlowEditor.module.css';
+
+const _TEMPLATE_TOKEN_RE = /\{\{\s*([^}]+?)\s*\}\}/g;
+
+function _refToTemplateToken(ref: DataRef): string {
+  const pathSegs = (ref.path ?? []).map((p) => String(p));
+  if (pathSegs.length === 0) {
+    return `{{${ref.nodeId}}}`;
+  }
+  return `{{${ref.nodeId}.${pathSegs.join('.')}}}`;
+}
+
+function _insertAtCursor(
+  text: string,
+  insert: string,
+  start: number,
+  end: number,
+): { next: string; caret: number } {
+  const next = text.slice(0, start) + insert + text.slice(end);
+  const caret = start + insert.length;
+  return { next, caret };
+}
+
+function _parseTokensInTemplate(
+  template: string,
+  nodes: Array<{ id: string; title?: string }>,
+  getNodeLabel: (n: { id: string; title?: string }) => string,
+): Array<{ raw: string; label: string }> {
+  const out: Array<{ raw: string; label: string }> = [];
+  const seen = new Set<string>();
+  let m: RegExpExecArray | null;
+  const re = new RegExp(_TEMPLATE_TOKEN_RE.source, 'g');
+  while ((m = re.exec(template)) !== null) {
+    const inner = m[1].trim();
+    if (seen.has(inner)) continue;
+    seen.add(inner);
+    const parts = inner.split('.');
+    const nodeId = parts[0];
+    if (!nodeId) continue;
+    const path = parts.slice(1).map((seg) => (/^\d+$/.test(seg) ? parseInt(seg, 10) : seg));
+    const ref: DataRef = { type: 'ref', nodeId, path };
+    const label = formatRefLabel(ref, nodes, (id) =>
+      getNodeLabel(nodes.find((n) => n.id === id) ?? { id }),
+    );
+    out.push({ raw: m[0], label });
+  }
+  return out;
+}
+
+export const TemplateTextareaRenderer: React.FC<FieldRendererProps> = ({ param, value, onChange }) => {
+  const { t } = useLanguage();
+  const dataFlow = useAutomation2DataFlow();
+  const textareaRef = useRef<HTMLTextAreaElement>(null);
+  const [pickerOpen, setPickerOpen] = useState(false);
+
+  const strVal = typeof value === 'string' ? value : value != null ? String(value) : '';
+
+  const sourceIds = dataFlow?.getAvailableSourceIds() ?? [];
+  const hasSources = sourceIds.some((id) => {
+    const n = dataFlow?.nodes.find((x) => x.id === id);
+    return n?.type !== 'trigger.manual';
+  });
+
+  const tokenLegend = useMemo(() => {
+    if (!dataFlow || !strVal.includes('{{')) return [];
+    return _parseTokensInTemplate(strVal, dataFlow.nodes, dataFlow.getNodeLabel);
+  }, [strVal, dataFlow]);
+
+  const handlePick = useCallback(
+    (picked: DataRef | SystemVarRef) => {
+      if (isSystemVar(picked)) {
+        setPickerOpen(false);
+        return;
+      }
+      if (!isRef(picked)) {
+        setPickerOpen(false);
+        return;
+      }
+      const token = _refToTemplateToken(picked);
+      const el = textareaRef.current;
+      const start = el?.selectionStart ?? strVal.length;
+      const end = el?.selectionEnd ?? strVal.length;
+      const { next, caret } = _insertAtCursor(strVal, token, start, end);
+      onChange(next);
+      setPickerOpen(false);
+      requestAnimationFrame(() => {
+        const ta = textareaRef.current;
+        if (ta) {
+          ta.focus();
+          ta.setSelectionRange(caret, caret);
+        }
+      });
+    },
+    [onChange, strVal],
+  );
+
+  return (
+    <div style={{ marginBottom: 8 }}>
+      <label style={{ display: 'block', fontSize: 12, marginBottom: 2 }}>{param.description || param.name}</label>
+      <div style={{ display: 'flex', gap: 6, marginBottom: 4, flexWrap: 'wrap', alignItems: 'center' }}>
+        <button
+          type="button"
+          className={styles.startsInput}
+          disabled={!hasSources}
+          onClick={() => setPickerOpen(true)}
+          title={hasSources ? t('Variable aus vorherigem Node einfügen') : t('Keine vorherigen Nodes verfügbar')}
+        >
+          {t('Variable einfügen…')}
+        </button>
+        {!hasSources && (
+          <span style={{ fontSize: 11, color: 'var(--text-secondary)' }}>{t('Keine vorherigen Nodes verfügbar')}</span>
+        )}
+      </div>
+      <textarea
+        ref={textareaRef}
+        value={strVal}
+        onChange={(e) => onChange(e.target.value)}
+        placeholder={param.name}
+        rows={6}
+        spellCheck={false}
+        style={{
+          width: '100%',
+          padding: '6px 8px',
+          borderRadius: 4,
+          border: '1px solid #ccc',
+          resize: 'vertical',
+          fontFamily: 'ui-monospace, monospace',
+          fontSize: 12,
+          minHeight: 120,
+        }}
+      />
+      {tokenLegend.length > 0 && (
+        <div style={{ marginTop: 6, fontSize: 11, color: 'var(--text-secondary)' }}>
+          <div style={{ fontWeight: 600, marginBottom: 2 }}>{t('Eingebundene Variablen')}</div>
+          <ul style={{ margin: 0, paddingLeft: 18 }}>
+            {tokenLegend.map((row) => (
+              <li key={row.raw} style={{ marginBottom: 2 }}>
+                <code style={{ fontSize: 10 }}>{row.raw}</code>
+                {' — '}
+                {row.label}
+              </li>
+            ))}
+          </ul>
+        </div>
+      )}
+      {dataFlow && (
+        <DataPicker
+          open={pickerOpen}
+          onClose={() => setPickerOpen(false)}
+          onPick={handlePick}
+          availableSourceIds={sourceIds}
+          nodes={dataFlow.nodes}
+          nodeOutputsPreview={dataFlow.nodeOutputsPreview}
+          getNodeLabel={dataFlow.getNodeLabel}
+          expectedParamType={param.type}
+        />
+      )}
+    </div>
+  );
+};

src/components/FlowEditor/nodes/frontendTypeRenderers/index.tsx

@@ -7,6 +7,7 @@ import type { ComponentType } from 'react';
 import type { NodeTypeParameter } from '../../../../api/workflowApi';
 import type { ApiRequestFunction } from '../../../../api/workflowApi';
 import { FORM_FIELD_TYPES, FORM_FIELD_TYPE_LABELS } from '../../../../utils/attributeTypeMapper';
+import { useAutomation2DataFlow } from '../../context/Automation2DataFlowContext';
 
 export interface FieldRendererProps {
   param: NodeTypeParameter;
@@ -27,12 +28,14 @@ export type FieldRendererComponent = ComponentType<FieldRendererProps>;
 import React from 'react';
 
 import { useLanguage } from '../../../../providers/language/LanguageContext';
-import { useAutomation2DataFlow } from '../../context/Automation2DataFlowContext';
 import { toApiGraph } from '../shared/graphUtils';
 import { postUpstreamPaths } from '../../../../api/workflowApi';
 import type { CanvasNode } from '../../editor/FlowCanvas';
 import { DataRefRenderer } from './DataRefRenderer';
+import { ContextBuilderRenderer } from './ContextBuilderRenderer';
 import { FeatureInstancePicker } from './FeatureInstancePicker';
+import { TemplateTextareaRenderer } from './TemplateTextareaRenderer';
+import { getApiBaseUrl } from '../../../../../config/config';
 
 const TextInput: React.FC<FieldRendererProps> = ({ param, value, onChange }) => (
   <div style={{ marginBottom: 8 }}>
@@ -533,6 +536,10 @@ const CaseListEditor: React.FC<FieldRendererProps> = ({ param, value, onChange }
 
 const FieldBuilderEditor: React.FC<FieldRendererProps> = ({ param, value, onChange }) => {
   const { t } = useLanguage();
+  const ctx = useAutomation2DataFlow();
+  const fieldTypeOptions = ctx?.formFieldTypes?.length
+    ? ctx.formFieldTypes
+    : FORM_FIELD_TYPES.map((ft) => ({ id: ft, label: FORM_FIELD_TYPE_LABELS[ft] ?? ft, portType: 'str' }));
   const fields = Array.isArray(value) ? value : [];
   const addField = () => onChange([...fields, { name: '', type: 'text', label: '', required: false }]);
   const removeField = (idx: number) => onChange(fields.filter((_: unknown, i: number) => i !== idx));
@@ -541,62 +548,98 @@ const FieldBuilderEditor: React.FC<FieldRendererProps> = ({ param, value, onChan
     next[idx] = { ...(next[idx] as Record<string, unknown>), [field]: val };
     onChange(next);
   };
+  const inputStyle: React.CSSProperties = {
+    width: '100%', padding: '5px 7px', borderRadius: 4, border: '1px solid #ddd',
+    fontSize: 12, boxSizing: 'border-box', background: '#fff',
+  };
+  const selectStyle: React.CSSProperties = { ...inputStyle };
+
   return (
     <div style={{ marginBottom: 8 }}>
-      <label style={{ display: 'block', fontSize: 12, marginBottom: 2 }}>{param.description || param.name}</label>
+      <label style={{ display: 'block', fontSize: 12, marginBottom: 4, fontWeight: 600 }}>{param.description || param.name}</label>
       {fields.map((f: Record<string, unknown>, i: number) => (
-        <div key={i} style={{ display: 'flex', gap: 4, marginBottom: 4, alignItems: 'center' }}>
-          <input type="text" placeholder={t('Name')} value={String(f.name ?? '')} onChange={(e) => updateField(i, 'name', e.target.value)} style={{ flex: 1, padding: '2px 4px', borderRadius: 4, border: '1px solid #ccc' }} />
-          <select value={String(f.type ?? 'text')} onChange={(e) => updateField(i, 'type', e.target.value)} style={{ flex: 1, padding: '2px 4px', borderRadius: 4, border: '1px solid #ccc' }}>
-            {FORM_FIELD_TYPES.map(ft => (
-              <option key={ft} value={ft}>{t(FORM_FIELD_TYPE_LABELS[ft])}</option>
-            ))}
-            <option value="group">{t('Gruppe')}</option>
-          </select>
-          <input type="text" placeholder={t('Bezeichnung')} value={String(f.label ?? '')} onChange={(e) => updateField(i, 'label', e.target.value)} style={{ flex: 1, padding: '2px 4px', borderRadius: 4, border: '1px solid #ccc' }} />
-          <label style={{ fontSize: 11, display: 'flex', alignItems: 'center', gap: 2 }}>
-            <input type="checkbox" checked={Boolean(f.required)} onChange={(e) => updateField(i, 'required', e.target.checked)} /> {t('Pflicht')}
-          </label>
-          <button onClick={() => removeField(i)} style={{ padding: '2px 8px', borderRadius: 4, border: '1px solid #ccc', cursor: 'pointer' }}>×</button>
+        <div key={i} style={{ background: '#f9f9f9', border: '1px solid #e0e0e0', borderRadius: 6, padding: '8px 10px', marginBottom: 6 }}>
+          {/* Row 1: Bezeichnung + delete */}
+          <div style={{ display: 'flex', gap: 6, marginBottom: 6, alignItems: 'center' }}>
+            <input
+              type="text"
+              placeholder={t('Bezeichnung (Anzeigename)')}
+              value={String(f.label ?? '')}
+              onChange={(e) => updateField(i, 'label', e.target.value)}
+              style={{ ...inputStyle, flex: 1, fontWeight: 500 }}
+            />
+            <button
+              type="button"
+              onClick={() => removeField(i)}
+              title={t('Feld entfernen')}
+              style={{ padding: '4px 8px', borderRadius: 4, border: '1px solid #ccc', cursor: 'pointer', background: '#fff', color: '#999', fontSize: 13, lineHeight: 1, flexShrink: 0 }}
+            >×</button>
+          </div>
+          {/* Row 2: Name + Typ + Pflicht */}
+          <div style={{ display: 'grid', gridTemplateColumns: '1fr 1fr auto', gap: 6, alignItems: 'end' }}>
+            <div>
+              <div style={{ fontSize: 10, color: '#888', marginBottom: 2 }}>Name (intern)</div>
+              <input
+                type="text"
+                placeholder="z.B. customerName"
+                value={String(f.name ?? '')}
+                onChange={(e) => updateField(i, 'name', e.target.value)}
+                style={inputStyle}
+              />
+            </div>
+            <div>
+              <div style={{ fontSize: 10, color: '#888', marginBottom: 2 }}>Typ</div>
+              <select value={String(f.type ?? 'text')} onChange={(e) => updateField(i, 'type', e.target.value)} style={selectStyle}>
+                {fieldTypeOptions.map((ft) => (
+                  <option key={ft.id} value={ft.id}>{t(ft.label)}</option>
+                ))}
+                <option value="group">{t('Gruppe')}</option>
+              </select>
+            </div>
+            <label style={{ fontSize: 11, display: 'flex', alignItems: 'center', gap: 4, cursor: 'pointer', paddingBottom: 5, whiteSpace: 'nowrap' }}>
+              <input type="checkbox" checked={Boolean(f.required)} onChange={(e) => updateField(i, 'required', e.target.checked)} />
+              Pflicht
+            </label>
+          </div>
           {String(f.type) === 'group' && (
-            <div style={{ width: '100%', marginTop: 6, marginLeft: 8, borderLeft: '2px solid #ddd', paddingLeft: 8 }}>
-              <div style={{ fontSize: 11, color: '#666', marginBottom: 4 }}>{t('Unterfelder')}</div>
+            <div style={{ marginTop: 8, borderTop: '1px solid #e0e0e0', paddingTop: 8 }}>
+              <div style={{ fontSize: 11, color: '#666', marginBottom: 6, fontWeight: 600 }}>{t('Unterfelder')}</div>
               {(Array.isArray(f.fields) ? f.fields : []).map((sub: Record<string, unknown>, j: number) => (
-                <div key={j} style={{ display: 'flex', gap: 4, marginBottom: 4, flexWrap: 'wrap' }}>
-                  <input
-                    type="text"
-                    placeholder={t('Name')}
-                    value={String(sub.name ?? '')}
-                    onChange={(e) => {
-                      const nextFields = [...(Array.isArray(f.fields) ? f.fields : [])];
-                      nextFields[j] = { ...sub, name: e.target.value };
-                      updateField(i, 'fields', nextFields);
-                    }}
-                    style={{ flex: 1, minWidth: 80, padding: '2px 4px', borderRadius: 4, border: '1px solid #ccc' }}
-                  />
-                  <select
-                    value={String(sub.type ?? 'text')}
-                    onChange={(e) => {
-                      const nextFields = [...(Array.isArray(f.fields) ? f.fields : [])];
-                      nextFields[j] = { ...sub, type: e.target.value };
-                      updateField(i, 'fields', nextFields);
-                    }}
-                    style={{ flex: 1, minWidth: 80, padding: '2px 4px', borderRadius: 4, border: '1px solid #ccc' }}
-                  >
-                    {FORM_FIELD_TYPES.map(ft => (
-                      <option key={ft} value={ft}>{t(FORM_FIELD_TYPE_LABELS[ft])}</option>
-                    ))}
-                  </select>
-                  <button
-                    type="button"
-                    onClick={() => {
-                      const nextFields = (Array.isArray(f.fields) ? f.fields : []).filter((_: unknown, k: number) => k !== j);
-                      updateField(i, 'fields', nextFields);
-                    }}
-                    style={{ padding: '2px 8px', borderRadius: 4, border: '1px solid #ccc', cursor: 'pointer' }}
-                  >
-                    ×
-                  </button>
+                <div key={j} style={{ background: '#fff', border: '1px solid #e8e8e8', borderRadius: 4, padding: '6px 8px', marginBottom: 4 }}>
+                  <div style={{ display: 'flex', gap: 6, alignItems: 'center' }}>
+                    <input
+                      type="text"
+                      placeholder={t('Name')}
+                      value={String(sub.name ?? '')}
+                      onChange={(e) => {
+                        const nextFields = [...(Array.isArray(f.fields) ? f.fields : [])];
+                        nextFields[j] = { ...sub, name: e.target.value };
+                        updateField(i, 'fields', nextFields);
+                      }}
+                      style={{ ...inputStyle, flex: 1 }}
+                    />
+                    <select
+                      value={String(sub.type ?? 'text')}
+                      onChange={(e) => {
+                        const nextFields = [...(Array.isArray(f.fields) ? f.fields : [])];
+                        nextFields[j] = { ...sub, type: e.target.value };
+                        updateField(i, 'fields', nextFields);
+                      }}
+                      style={{ ...selectStyle, flex: 1 }}
+                    >
+                      {fieldTypeOptions.map((ft) => (
+                        <option key={ft.id} value={ft.id}>{t(ft.label)}</option>
+                      ))}
+                    </select>
+                    <button
+                      type="button"
+                      onClick={() => {
+                        const nextFields = (Array.isArray(f.fields) ? f.fields : []).filter((_: unknown, k: number) => k !== j);
+                        updateField(i, 'fields', nextFields);
+                      }}
+                      style={{ padding: '4px 8px', borderRadius: 4, border: '1px solid #ccc', cursor: 'pointer', background: '#fff', color: '#999', flexShrink: 0 }}
+                    >×</button>
+                  </div>
                 </div>
               ))}
               <button
@@ -605,15 +648,21 @@ const FieldBuilderEditor: React.FC<FieldRendererProps> = ({ param, value, onChan
                   const nextFields = [...(Array.isArray(f.fields) ? f.fields : []), { name: '', type: 'text', label: '', required: false }];
                   updateField(i, 'fields', nextFields);
                 }}
-                style={{ padding: '2px 8px', borderRadius: 4, border: '1px solid #ccc', cursor: 'pointer', fontSize: 11 }}
+                style={{ marginTop: 4, padding: '3px 10px', borderRadius: 4, border: '1px dashed #bbb', cursor: 'pointer', fontSize: 11, background: '#fff', color: '#666' }}
               >
-                {t('Unterfeld hinzufügen')}
+                + {t('Unterfeld hinzufügen')}
               </button>
             </div>
           )}
         </div>
       ))}
-      <button onClick={addField} style={{ padding: '2px 8px', borderRadius: 4, border: '1px solid #ccc', cursor: 'pointer', fontSize: 12 }}>{t('Feld hinzufügen')}</button>
+      <button
+        type="button"
+        onClick={addField}
+        style={{ width: '100%', padding: '6px', borderRadius: 4, border: '1px dashed #bbb', cursor: 'pointer', fontSize: 12, background: '#fff', color: '#555' }}
+      >
+        + {t('Feld hinzufügen')}
+      </button>
     </div>
   );
 };
@@ -736,6 +785,113 @@ const FilterExpressionEditor: React.FC<FieldRendererProps> = ({ param, value, on
   );
 };
 
+const ModelMultiSelect: React.FC<FieldRendererProps> = ({ param, value, onChange }) => {
+  const { t } = useLanguage();
+  const [models, setModels] = React.useState<Array<{ displayName: string; connectorType?: string }>>([]);
+  const [loading, setLoading] = React.useState(false);
+  const [open, setOpen] = React.useState(false);
+  const selected: string[] = Array.isArray(value) ? value : [];
+
+  React.useEffect(() => {
+    let cancelled = false;
+    setLoading(true);
+    fetch(`${getApiBaseUrl()}/api/system/ai-models`, { credentials: 'include' })
+      .then((r) => r.json())
+      .then((data) => {
+        if (cancelled) return;
+        const items = (data?.models ?? []) as Array<{ displayName: string; connectorType?: string }>;
+        setModels(items);
+      })
+      .catch(() => { if (!cancelled) setModels([]); })
+      .finally(() => { if (!cancelled) setLoading(false); });
+    return () => { cancelled = true; };
+  }, []);
+
+  const _toggle = (name: string) => {
+    const next = selected.includes(name)
+      ? selected.filter((v) => v !== name)
+      : [...selected, name];
+    onChange(next);
+  };
+
+  const _removeTag = (name: string) => {
+    onChange(selected.filter((v) => v !== name));
+  };
+
+  return (
+    <div style={{ marginBottom: 8 }}>
+      <label style={{ display: 'block', fontSize: 12, marginBottom: 2 }}>{param.description || param.name}</label>
+      <div
+        onClick={() => setOpen((o) => !o)}
+        style={{
+          width: '100%',
+          minHeight: 32,
+          padding: '4px 8px',
+          borderRadius: 4,
+          border: '1px solid #ccc',
+          cursor: 'pointer',
+          display: 'flex',
+          flexWrap: 'wrap',
+          gap: 4,
+          alignItems: 'center',
+          background: '#fff',
+        }}
+      >
+        {selected.length === 0 && (
+          <span style={{ color: '#999', fontSize: 12 }}>{t('Alle erlaubten Modelle')}</span>
+        )}
+        {selected.map((name) => (
+          <span
+            key={name}
+            style={{
+              background: 'var(--primary-color, #2563eb)',
+              color: '#fff',
+              borderRadius: 3,
+              padding: '1px 6px',
+              fontSize: 11,
+              display: 'inline-flex',
+              alignItems: 'center',
+              gap: 3,
+            }}
+          >
+            {name}
+            <span
+              onClick={(e) => { e.stopPropagation(); _removeTag(name); }}
+              style={{ cursor: 'pointer', fontWeight: 700 }}
+            >
+              x
+            </span>
+          </span>
+        ))}
+      </div>
+      {open && (
+        <div style={{ border: '1px solid #ddd', borderRadius: 4, marginTop: 4, maxHeight: 200, overflow: 'auto', background: '#fafafa', padding: 4 }}>
+          {loading && <div style={{ fontSize: 11, color: '#888', padding: 4 }}>{t('Lade Modelle...')}</div>}
+          {!loading && models.length === 0 && (
+            <div style={{ fontSize: 11, color: '#888', padding: 4 }}>{t('Keine Modelle verfügbar')}</div>
+          )}
+          {models.map((m) => (
+            <label
+              key={m.displayName}
+              style={{ display: 'flex', alignItems: 'center', gap: 6, padding: '3px 4px', fontSize: 12, cursor: 'pointer' }}
+            >
+              <input
+                type="checkbox"
+                checked={selected.includes(m.displayName)}
+                onChange={() => _toggle(m.displayName)}
+              />
+              <span>{m.displayName}</span>
+              {m.connectorType && (
+                <span style={{ fontSize: 10, color: '#888' }}>({m.connectorType})</span>
+              )}
+            </label>
+          ))}
+        </div>
+      )}
+    </div>
+  );
+};
+
 // ---------------------------------------------------------------------------
 // Registry
 // ---------------------------------------------------------------------------
@@ -743,6 +899,7 @@ const FilterExpressionEditor: React.FC<FieldRendererProps> = ({ param, value, on
 export const FRONTEND_TYPE_RENDERERS: Record<string, FieldRendererComponent> = {
   text: TextInput,
   textarea: TextareaInput,
+  templateTextarea: TemplateTextareaRenderer,
   number: NumberInput,
   checkbox: CheckboxInput,
   date: DateInput,
@@ -750,10 +907,12 @@ export const FRONTEND_TYPE_RENDERERS: Record<string, FieldRendererComponent> = {
   email: TextInput,
   select: SelectInput,
   multiselect: MultiSelectInput,
+  modelMultiSelect: ModelMultiSelect,
   json: JsonEditor,
   file: TextInput,
   hidden: HiddenInput,
   dataRef: DataRefRenderer,
+  contextBuilder: ContextBuilderRenderer,
   userConnection: ConnectionPicker,
   featureInstance: FeatureInstancePicker,
   sharepointFolder: SharepointPathPicker,

src/components/FlowEditor/nodes/shared/DataPicker.tsx

@@ -35,6 +35,10 @@ interface PickablePath {
   /** True iff this path produces `List[X]` and the consumer expects `X` —
    *  picking with iterate=true appends the wildcard segment. */
   iterable?: boolean;
+  /** Annotated after strict-filter pass: type exists but doesn't match the expected param type. */
+  typeMismatch?: boolean;
+  /** Surfaced at the top of the list as the most common / recommended pick. */
+  recommended?: boolean;
 }
 
 const _LIST_INNER_RE = /^List\[(.+)\]$/;
@@ -47,10 +51,22 @@ function _buildPathsFromSchema(
 ): PickablePath[] {
   if (!schema || !schema.fields || depth > 8) return [];
   const result: PickablePath[] = [];
+
+  // For form schemas (kind=fromGraph), expose the whole `payload` object as a
+  // top-level pickable entry so the user can pass the entire form at once.
+  if (depth === 0 && schema.name?.startsWith('FormPayload')) {
+    result.push({
+      path: ['payload'],
+      label: 'Gesamtes Formular',
+      type: 'object',
+      recommended: true,
+    });
+  }
+
   for (const field of schema.fields) {
     const fieldPath = [...basePath, field.name];
     const label = fieldPath.map(String).join(' → ');
-    result.push({ path: fieldPath, label, type: field.type });
+    result.push({ path: fieldPath, label, type: field.type, recommended: field.recommended ?? false });
     const m = typeof field.type === 'string' ? field.type.match(_LIST_INNER_RE) : null;
     const inner = m?.[1]?.trim();
     if (inner && catalog[inner]) {
@@ -78,7 +94,9 @@ function _markIterableCandidates(paths: PickablePath[], expectedParamType?: stri
 function _deriveFormPortSchemaFromParams(
   node: { parameters?: Record<string, unknown> },
   paramKey: string,
+  formTypeToPort: Record<string, string> = {},
 ): PortSchema | undefined {
+  const resolvePortType = (rawType: string) => formTypeToPort[rawType] ?? rawType;
   const raw = node.parameters?.[paramKey];
   if (!Array.isArray(raw)) return undefined;
   const fields: Array<{ name: string; type: string; description: string | Record<string, string>; required: boolean }> = [];
@@ -90,8 +108,8 @@ function _deriveFormPortSchemaFromParams(
     let description: string | Record<string, string> = rec.name;
     if (typeof lab === 'string') description = lab;
     else if (lab && typeof lab === 'object') description = lab as Record<string, string>;
-    const ftype = typeof rec.type === 'string' ? rec.type : 'str';
-    if (ftype === 'group' && Array.isArray(rec.fields)) {
+    const rawType = typeof rec.type === 'string' ? rec.type : 'str';
+    if (rawType === 'group' && Array.isArray(rec.fields)) {
       for (const sub of rec.fields as Record<string, unknown>[]) {
         if (!sub || typeof sub.name !== 'string') continue;
         const sl = sub.label;
@@ -100,7 +118,7 @@ function _deriveFormPortSchemaFromParams(
         else if (sl && typeof sl === 'object') sdesc = sl as Record<string, string>;
         fields.push({
           name: `${rec.name}.${sub.name}`,
-          type: typeof sub.type === 'string' ? sub.type : 'str',
+          type: resolvePortType(typeof sub.type === 'string' ? sub.type : 'str'),
           description: sdesc,
           required: Boolean(sub.required),
         });
@@ -109,7 +127,7 @@ function _deriveFormPortSchemaFromParams(
     }
     fields.push({
       name: rec.name,
-      type: ftype,
+      type: resolvePortType(rawType),
       description,
       required: Boolean(rec.required),
     });
@@ -151,6 +169,7 @@ function _resolveSchemaForNode(
   connections: Array<{ source: string; target: string; sourceOutput?: number }>,
   catalog: Record<string, PortSchema>,
   visited: Set<string> = new Set(),
+  formTypeToPort: Record<string, string> = {},
 ): PortSchema | undefined {
   if (visited.has(nodeId)) return undefined;
   visited.add(nodeId);
@@ -170,10 +189,10 @@ function _resolveSchemaForNode(
   const schemaSpec = port0.schema;
   if (typeof schemaSpec === 'object' && schemaSpec !== null && schemaSpec.kind === 'fromGraph') {
     const paramKey = schemaSpec.parameter ?? 'fields';
-    return _deriveFormPortSchemaFromParams(node, paramKey);
+    return _deriveFormPortSchemaFromParams(node, paramKey, formTypeToPort);
   }
   if (port0.dynamic && port0.deriveFrom) {
-    return _deriveFormPortSchemaFromParams(node, port0.deriveFrom);
+    return _deriveFormPortSchemaFromParams(node, port0.deriveFrom, formTypeToPort);
   }
   if (typeof schemaSpec === 'string' && schemaSpec !== 'Transit') {
     return catalog[schemaSpec];
@@ -182,7 +201,7 @@ function _resolveSchemaForNode(
   // Transit: follow the incoming connection to find the real producer
   const incoming = connections.find((c) => c.target === nodeId);
   if (!incoming) return undefined;
-  return _resolveSchemaForNode(incoming.source, nodes, nodeTypes, connections, catalog, visited);
+  return _resolveSchemaForNode(incoming.source, nodes, nodeTypes, connections, catalog, visited, formTypeToPort);
 }
 
 export const DataPicker: React.FC<DataPickerProps> = ({ open,
@@ -228,6 +247,9 @@ export const DataPicker: React.FC<DataPickerProps> = ({ open,
   const catalog = ctx?.portTypeCatalog ?? {};
   const systemVars = ctx?.systemVariables ?? {};
   const nodeTypes = ctx?.nodeTypes ?? [];
+  const formTypeToPort: Record<string, string> = Object.fromEntries(
+    (ctx?.formFieldTypes ?? []).map((f) => [f.id, f.portType])
+  );
 
   const toggleExpand = (nodeId: string) => {
     setExpandedNodes((prev) => {
@@ -320,15 +342,15 @@ export const DataPicker: React.FC<DataPickerProps> = ({ open,
                     <div key={loopId} style={{ marginBottom: 6 }}>
                       <div style={{ fontSize: 11, color: 'var(--text-secondary)', marginBottom: 2 }}>{loopLabel}</div>
                       {loopPaths.map((p, i) => {
-                        const compat = expectedParamType && p.type
-                          ? isCompatible(p.type, expectedParamType)
-                          : 'ok';
+                        const mismatch =
+                          Boolean(expectedParamType) &&
+                          Boolean(p.type) &&
+                          isCompatible(p.type!, expectedParamType!) === 'mismatch';
                         return (
                           <button
                             key={`${loopId}-${p.path.join('.')}-${i}`}
                             type="button"
                             className={styles.dataPickerLeaf}
-                            style={{ opacity: compat === 'mismatch' ? 0.45 : 1 }}
                             onClick={() => handlePick(loopId, p.path, p.type)}
                           >
                             {p.label}
@@ -337,6 +359,14 @@ export const DataPicker: React.FC<DataPickerProps> = ({ open,
                                 ({p.type})
                               </span>
                             )}
+                            {mismatch && (
+                              <span
+                                className={styles.dataPickerMismatchBadge}
+                                title={t('Typ weicht ab — wird beim Ausführen konvertiert')}
+                              >
+                                ⚠
+                              </span>
+                            )}
                           </button>
                         );
                       })}
@@ -386,7 +416,11 @@ export const DataPicker: React.FC<DataPickerProps> = ({ open,
             }
             return filteredIds.map((nodeId) => {
               const node = nodes.find((n) => n.id === nodeId);
-              const label = node ? getNodeLabel(node) : nodeId;
+              // User-defined step title (or node-type label as fallback)
+              const stepTitle = node ? getNodeLabel(node) : nodeId;
+              const nodeTypeDef = node?.type ? nodeTypes.find((nt) => nt.id === node.type) : undefined;
+              // Human-readable type label (e.g. "Formular", "Web-Recherche")
+              const typeLabel = nodeTypeDef?.label ?? node?.type ?? '';
               const isExpanded = expandedNodes.has(nodeId);
 
               const resolvedSchema = _resolveSchemaForNode(
@@ -395,6 +429,8 @@ export const DataPicker: React.FC<DataPickerProps> = ({ open,
                 nodeTypes,
                 connections,
                 catalog,
+                new Set(),
+                formTypeToPort,
               );
               const schemaPaths = _buildPathsFromSchema(resolvedSchema, catalog);
               const annotated = _markIterableCandidates(
@@ -403,13 +439,21 @@ export const DataPicker: React.FC<DataPickerProps> = ({ open,
                   : _buildPathsFromPreview(nodeOutputsPreview[nodeId], [], t('(ganze Ausgabe)')),
                 expectedParamType,
               );
-              const paths = strictFilter && expectedParamType
-                ? annotated.filter((p) => {
-                    if (p.iterable) return true;
-                    if (!p.type) return false;
-                    return isCompatible(p.type, expectedParamType) !== 'mismatch';
-                  })
-                : annotated;
+              // Always show all paths; mark mismatches as a visual warning instead of hiding them.
+              // Recommended entries bubble to the top.
+              const markedPaths = annotated.map((p) => ({
+                ...p,
+                typeMismatch:
+                  strictFilter &&
+                  Boolean(expectedParamType) &&
+                  Boolean(p.type) &&
+                  !p.iterable &&
+                  isCompatible(p.type!, expectedParamType!) === 'mismatch',
+              }));
+              const paths = [
+                ...markedPaths.filter((p) => p.recommended),
+                ...markedPaths.filter((p) => !p.recommended),
+              ];
 
               return (
                 <div key={nodeId} className={styles.dataPickerNodeSection}>
@@ -419,10 +463,10 @@ export const DataPicker: React.FC<DataPickerProps> = ({ open,
                     onClick={() => toggleExpand(nodeId)}
                   >
                     <span className={styles.dataPickerExpandIcon}>{isExpanded ? '▼' : '▶'}</span>
-                    <span className={styles.dataPickerNodeLabel}>{label}</span>
-                    {resolvedSchema && (
+                    <span className={styles.dataPickerNodeLabel}>{stepTitle}</span>
+                    {typeLabel && (
                       <span className={styles.dataPickerNodeSchemaHint}>
-                        ({resolvedSchema.name})
+                        {typeLabel}
                       </span>
                     )}
                   </button>
@@ -430,12 +474,10 @@ export const DataPicker: React.FC<DataPickerProps> = ({ open,
                     <div className={styles.dataPickerTree}>
                       {paths.length === 0 && (
                         <div style={{ fontSize: 11, color: 'var(--text-secondary)', padding: '4px 8px' }}>
-                          {t('(keine kompatiblen Felder — Filter „Nur kompatible“ deaktivieren)')}
+                          {t('(keine Felder verfügbar)')}
                         </div>
                       )}
                       {paths.map((p, i) => {
-                        const compat =
-                          expectedParamType && p.type ? isCompatible(p.type, expectedParamType) : 'ok';
                         return (
                           <div
                             key={`${p.path.join('.')}-${i}`}
@@ -443,16 +485,29 @@ export const DataPicker: React.FC<DataPickerProps> = ({ open,
                           >
                             <button
                               type="button"
-                              className={styles.dataPickerLeaf}
-                              style={{ opacity: compat === 'mismatch' && !p.iterable ? 0.45 : 1, flex: 1 }}
+                              className={`${styles.dataPickerLeaf}${p.recommended ? ` ${styles.dataPickerLeafRecommended}` : ''}`}
+                              style={{ flex: 1 }}
                               onClick={() => handlePick(nodeId, p.path, p.type)}
                             >
                               {p.label}
+                              {p.recommended && (
+                                <span className={styles.dataPickerRecommendedPill}>
+                                  {t('Empfohlen')}
+                                </span>
+                              )}
                               {p.type && (
                                 <span className={styles.dataPickerLeafType}>
                                   ({p.type})
                                 </span>
                               )}
+                              {p.typeMismatch && (
+                                <span
+                                  className={styles.dataPickerMismatchBadge}
+                                  title={t('Typ weicht ab — wird beim Ausführen konvertiert')}
+                                >
+                                  ⚠
+                                </span>
+                              )}
                             </button>
                             {p.iterable && (
                               <button

src/components/FlowEditor/nodes/shared/RefSourceSelect.tsx

@@ -91,6 +91,37 @@ function buildFormSchemaPayloadPaths(params: Record<string, unknown>): Array<{
   return out;
 }
 
+function buildLoopCurrentItemPaths(preview: unknown): Array<{ path: (string | number)[]; pathLabel: string }> {
+  const paths: Array<{ path: (string | number)[]; pathLabel: string }> = [
+    { path: ['currentItem'], pathLabel: 'currentItem' },
+    { path: ['currentIndex'], pathLabel: 'currentIndex' },
+    { path: ['count'], pathLabel: 'count' },
+  ];
+  if (preview && typeof preview === 'object') {
+    const ci = (preview as Record<string, unknown>).currentItem;
+    if (ci && typeof ci === 'object' && !Array.isArray(ci)) {
+      for (const [k, v] of Object.entries(ci as Record<string, unknown>)) {
+        paths.push(...buildPickablePaths(v, ['currentItem', k]));
+      }
+    }
+  }
+  return paths;
+}
+
+function buildAiPromptPaths(preview: unknown): Array<{ path: (string | number)[]; pathLabel: string }> {
+  const paths = buildPickablePaths(preview);
+  if (preview && typeof preview === 'object') {
+    const rd = (preview as Record<string, unknown>).responseData;
+    if (rd && typeof rd === 'object' && !Array.isArray(rd)) {
+      for (const k of Object.keys(rd as Record<string, unknown>)) {
+        const p = { path: ['responseData', k], pathLabel: `responseData.${k}` };
+        if (!paths.some((x) => x.pathLabel === p.pathLabel)) paths.push(p);
+      }
+    }
+  }
+  return paths;
+}
+
 export function pickPathsForNode(
   node: { type?: string; parameters?: Record<string, unknown> } | undefined,
   preview: unknown,
@@ -113,6 +144,12 @@ export function pickPathsForNode(
   if (nt.startsWith('clickup.')) {
     return buildClickUpOutputPaths(preview);
   }
+  if (nt === 'flow.loop') {
+    return buildLoopCurrentItemPaths(preview);
+  }
+  if (nt === 'ai.prompt') {
+    return buildAiPromptPaths(preview);
+  }
   return buildPickablePaths(preview);
 }
 

src/components/FlowEditor/nodes/shared/dataRef.ts

@@ -69,13 +69,26 @@ export function createRef(nodeId: string, path: (string | number)[] = [], expect
   return { type: 'ref', nodeId, path, ...(expectedType ? { expectedType } : {}) };
 }
 
-/** Structural type compatibility (best-effort; same as gateway soft rules). */
+/**
+ * Structural type compatibility using the canonical type vocabulary: str / int / float / bool / Any.
+ * All node parameters and form field schemas must use these types (no `string`, `number`, `boolean`
+ * aliases) so no alias-mapping is needed here.
+ *
+ * `Any` as expected type accepts everything.
+ * `Any`, `object`, or `dict` as produced type coerces to `str` (backend serializes via json.dumps).
+ */
 export function isCompatible(producedType: string, expectedType: string): 'ok' | 'coerce' | 'mismatch' {
   if (!expectedType || !producedType) return 'ok';
   if (producedType === expectedType) return 'ok';
-  if (expectedType === 'Any' || producedType === 'Any') return 'ok';
+  // Any-expected: accept all sources
+  if (expectedType === 'Any') return 'ok';
+  // Any-produced: compatible with everything (coerce where needed)
+  if (producedType === 'Any') return 'coerce';
+  // Numeric coercion
   if (expectedType === 'str' && (producedType === 'int' || producedType === 'float')) return 'coerce';
   if (expectedType === 'int' && producedType === 'str') return 'coerce';
+  // Object/dict → str: backend serializes to JSON text
+  if (expectedType === 'str' && (producedType === 'object' || producedType === 'dict')) return 'coerce';
   return 'mismatch';
 }
 

src/components/FlowEditor/nodes/shared/outputPreviewRegistry.ts

@@ -76,6 +76,32 @@ export function buildNodeOutputPreview(
   return _buildSchemaPreview(port0.schema);
 }
 
+function _buildEmailItemPreview(): Record<string, unknown> {
+  return {
+    from: { emailAddress: { address: 'sender@example.com', name: 'Sender' } },
+    subject: '...',
+    body: { contentType: 'HTML', content: '...' },
+    receivedDateTime: '2026-01-01T00:00:00Z',
+    toRecipients: [],
+    hasAttachments: false,
+    id: '...',
+  };
+}
+
+function _buildAiResponseDataPreview(params: Record<string, unknown>): Record<string, unknown> | null {
+  if (params.resultType !== 'json') return null;
+  const prompt = String(params.aiPrompt || params.prompt || '');
+  if (!prompt) return null;
+  const fields: Record<string, unknown> = {};
+  const re = /["']?(\w+)["']?\s*:\s*(?:true|false|"[^"]*"|'[^']*'|\d+|boolean|string|number|bool)/g;
+  let m: RegExpExecArray | null;
+  while ((m = re.exec(prompt)) !== null) {
+    const f = m[1];
+    if (f && !['type', 'value', 'key'].includes(f)) fields[f] = '...';
+  }
+  return Object.keys(fields).length > 0 ? fields : null;
+}
+
 /** Build full nodeOutputsPreview map from graph */
 export function buildNodeOutputsPreview(
   nodes: CanvasNode[],
@@ -92,5 +118,32 @@ export function buildNodeOutputsPreview(
       result[n.id] = buildNodeOutputPreview(n, typeMap.get(n.type));
     }
   }
+
+  for (const n of nodes) {
+    if (n.id in (nodeOutputsFromRun ?? {})) continue;
+
+    if (n.type === 'flow.loop') {
+      const items = n.parameters?.items;
+      if (items && typeof items === 'object' && (items as { type?: string }).type === 'ref') {
+        const ref = items as { nodeId: string; path?: (string | number)[] };
+        const sourceNode = nodes.find((sn) => sn.id === ref.nodeId);
+        const sourceDef = sourceNode ? typeMap.get(sourceNode.type) : undefined;
+        const sourceSchema = sourceDef?.outputPorts?.[0]?.schema;
+        if (sourceSchema === 'EmailList') {
+          const existing = (result[n.id] ?? {}) as Record<string, unknown>;
+          result[n.id] = { ...existing, currentItem: _buildEmailItemPreview() };
+        }
+      }
+    }
+
+    if (n.type === 'ai.prompt' && n.parameters) {
+      const rdPreview = _buildAiResponseDataPreview(n.parameters);
+      if (rdPreview) {
+        const existing = (result[n.id] ?? {}) as Record<string, unknown>;
+        result[n.id] = { ...existing, responseData: rdPreview };
+      }
+    }
+  }
+
   return result;
 }

src/components/FlowEditor/nodes/shared/utils.ts

@@ -24,11 +24,110 @@ export function getCategoryIcon(categoryId: string): React.ReactNode {
 /** Function type for resolving localized labels */
 export type GetLabelFn = (text: string | Record<string, string> | undefined, lang?: string) => string;
 
-/** Build an HTML accept attribute from an upload node config's allowedTypes array. */
-export function getAcceptStringFromConfig(
-  config: Record<string, unknown>
-): string {
-  const types = config.allowedTypes;
-  if (!Array.isArray(types) || types.length === 0) return '*';
-  return types.join(',');
+/** Extension → MIME when the browser leaves ``File.type`` empty (common on Windows). */
+const _EXT_TO_MIME: Record<string, string> = {
+  '.pdf': 'application/pdf',
+  '.doc': 'application/msword',
+  '.docx': 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+  '.xls': 'application/vnd.ms-excel',
+  '.xlsx': 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+  '.ppt': 'application/vnd.ms-powerpoint',
+  '.pptx': 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+  '.txt': 'text/plain',
+  '.csv': 'text/csv',
+  '.json': 'application/json',
+  '.xml': 'application/xml',
+  '.zip': 'application/zip',
+  '.jpg': 'image/jpeg',
+  '.jpeg': 'image/jpeg',
+  '.jpe': 'image/jpeg',
+  '.png': 'image/png',
+  '.gif': 'image/gif',
+  '.webp': 'image/webp',
+};
+
+function _extensionVariants(ext: string): string[] {
+  const e = ext.toLowerCase();
+  if (e === '.jpeg' || e === '.jpe') return ['.jpeg', '.jpe', '.jpg'];
+  if (e === '.jpg') return ['.jpg', '.jpeg', '.jpe'];
+  return [e];
+}
+
+/**
+ * True if ``file`` satisfies an HTML-style ``accept`` string (extensions, MIME types, ``image/*``).
+ * - ``*`` or empty → allow all
+ * - Normalizes gateway multiselect tokens ``pdf`` → ``.pdf`` (via {@link getAcceptStringFromConfig})
+ * - Infers MIME from extension when ``file.type`` is empty
+ */
+export function fileMatchesAccept(file: File, accept: string): boolean {
+  const trimmed = (accept ?? '').trim();
+  if (!trimmed || trimmed === '*') return true;
+  const parts = trimmed.split(',').map((s) => s.trim()).filter(Boolean);
+  if (parts.length === 0) return true;
+
+  const name = file.name ?? '';
+  const ext =
+    name.includes('.') && !name.endsWith('.')
+      ? '.' + (name.split('.').pop() ?? '').toLowerCase()
+      : '';
+  let mime = (file.type ?? '').trim().toLowerCase();
+  if (!mime && ext && _EXT_TO_MIME[ext]) {
+    mime = _EXT_TO_MIME[ext];
+  }
+  const extVariants = ext ? _extensionVariants(ext) : [];
+
+  for (const rawPart of parts) {
+    for (const p of rawPart.split(',').map((s) => s.trim()).filter(Boolean)) {
+      const pp = p.toLowerCase();
+      if (pp === '*') return true;
+      if (pp.startsWith('.')) {
+        if (extVariants.some((e) => e === pp)) return true;
+        continue;
+      }
+      if (pp.endsWith('/*')) {
+        const prefix = pp.slice(0, -2);
+        if (mime.startsWith(prefix + '/')) return true;
+        continue;
+      }
+      if (pp.includes('/')) {
+        if (mime === pp) return true;
+        continue;
+      }
+      // Bare token left from legacy configs, e.g. "pdf" without dot
+      if (/^[a-z0-9]{2,16}$/.test(pp)) {
+        const dotted = '.' + pp;
+        if (extVariants.includes(dotted)) return true;
+        if (extVariants.some((e) => _extensionVariants(e).includes(dotted))) return true;
+      }
+    }
+  }
+  return false;
+}
+
+/**
+ * Build a combined accept list from ``allowedTypes`` (multiselect: pdf, docx, …) and optional
+ * manual ``accept`` string on the node.
+ */
+export function getAcceptStringFromConfig(config: Record<string, unknown>): string {
+  const fromParam =
+    typeof config.accept === 'string' && config.accept.trim() ? config.accept.trim() : '';
+  const types = config.allowedTypes;
+  let fromAllowed = '';
+  if (Array.isArray(types) && types.length > 0) {
+    fromAllowed = types
+      .map((t) => {
+        const s = String(t).trim().toLowerCase();
+        if (!s) return '';
+        if (s === '*') return '*';
+        if (s.includes('/') || s.endsWith('/*')) return s;
+        if (s.startsWith('.')) return s;
+        return `.${s.replace(/^\.+/, '')}`;
+      })
+      .filter(Boolean)
+      .join(',');
+  }
+  if (fromParam && fromAllowed) return `${fromParam},${fromAllowed}`;
+  if (fromParam) return fromParam;
+  if (fromAllowed) return fromAllowed;
+  return '*';
 }

src/components/FlowEditor/nodes/start/FormStartNodeConfig.tsx

@@ -7,6 +7,7 @@ import type { NodeConfigRendererProps } from '../shared/types';
 import type { FormField } from '../shared/types';
 import { FORM_FIELD_TYPES, FORM_FIELD_TYPE_LABELS } from '../../../../utils/attributeTypeMapper';
 import styles from '../../editor/Automation2FlowEditor.module.css';
+import { useAutomation2DataFlow } from '../../context/Automation2DataFlowContext';
 
 import { useLanguage } from '../../../../providers/language/LanguageContext';
 
@@ -28,6 +29,10 @@ function _parseFields(params: Record<string, unknown>, t: (key: string) => strin
 
 export const FormStartNodeConfig: React.FC<NodeConfigRendererProps> = ({ params, updateParam }) => {
   const { t } = useLanguage();
+  const ctx = useAutomation2DataFlow();
+  const fieldTypeOptions = ctx?.formFieldTypes?.length
+    ? ctx.formFieldTypes
+    : FORM_FIELD_TYPES.map((ft) => ({ id: ft, label: FORM_FIELD_TYPE_LABELS[ft] ?? ft, portType: 'str' }));
   const fields = useMemo(() => _parseFields(params, t), [params, t]);
 
   const setFields = (next: FormField[]) => {
@@ -73,8 +78,8 @@ export const FormStartNodeConfig: React.FC<NodeConfigRendererProps> = ({ params,
                 setFields(next);
               }}
             >
-              {FORM_FIELD_TYPES.map(ft => (
-                <option key={ft} value={ft}>{t(FORM_FIELD_TYPE_LABELS[ft])}</option>
+              {fieldTypeOptions.map((ft) => (
+                <option key={ft.id} value={ft.id}>{t(ft.label)}</option>
               ))}
             </select>
             <button

src/components/FormGenerator/ActionButtons/ActionButton.module.css

@@ -247,6 +247,34 @@
   box-shadow: 0 3px 8px rgba(197, 48, 48, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1) !important;
 }
 
+/* Compact mode (sidebar/UDB) */
+.compact {
+  width: 20px !important;
+  height: 20px !important;
+  min-width: 0 !important;
+  min-height: 0 !important;
+  padding: 0 !important;
+  background: transparent !important;
+  box-shadow: none !important;
+  color: var(--color-text-secondary, #6b7280) !important;
+  border-radius: 3px !important;
+  flex-shrink: 0;
+}
+
+.compact .actionIcon {
+  font-size: 12px !important;
+  width: 12px !important;
+  height: 12px !important;
+  filter: none !important;
+}
+
+.compact:hover {
+  background: var(--color-secondary, #4A6FA5) !important;
+  color: #fff !important;
+  box-shadow: none !important;
+  transform: none !important;
+}
+
 /* Responsive Design */
 @media (max-width: 768px) {
   .actionButtons {

src/components/FormGenerator/FormGeneratorControls/FormGeneratorControls.tsx

@@ -4,7 +4,7 @@ import { useLanguage } from '../../../providers/language/LanguageContext';
 import styles from './FormGeneratorControls.module.css';
 import { Button } from '../../UiComponents/Button';
 import { IoIosRefresh } from "react-icons/io";
-import { FaTrash, FaDownload } from "react-icons/fa";
+import { FaTrash, FaDownload, FaLayerGroup } from "react-icons/fa";
 import type { AttributeType } from '../../../utils/attributeTypeMapper';
 
 // Generic field/column config interface
@@ -77,6 +77,10 @@ export interface FormGeneratorControlsProps {
   onSelectAllFiltered?: () => void;
   selectAllFilteredActive?: boolean;
   selectAllFilteredLoading?: boolean;
+  // Grouping
+  groupingEnabled?: boolean;
+  onCreateGroup?: () => void;
+  activeGroupId?: string | null;
 }
 
 export function FormGeneratorControls({
@@ -110,6 +114,9 @@ export function FormGeneratorControls({
   onSelectAllFiltered,
   selectAllFilteredActive = false,
   selectAllFilteredLoading = false,
+  groupingEnabled = false,
+  onCreateGroup,
+  activeGroupId,
 }: FormGeneratorControlsProps) {
   const { t } = useLanguage();
   
@@ -212,6 +219,16 @@ export function FormGeneratorControls({
               {csvExporting ? t('Exportiere...') : 'CSV'}
             </button>
           )}
+          {groupingEnabled && onCreateGroup && (
+            <button
+              onClick={onCreateGroup}
+              className={styles.refreshButton}
+              title={t('Neue Gruppe erstellen')}
+              style={{ color: activeGroupId ? 'var(--color-primary, #4a6fa5)' : undefined }}
+            >
+              <span className={styles.refreshIcon}><FaLayerGroup /></span>
+            </button>
+          )}
           {onRefresh && (
             <button
               onClick={onRefresh}

src/components/FormGenerator/FormGeneratorTable/FormGeneratorTable.module.css

@@ -9,6 +9,7 @@
   overflow: hidden;
   height: 100%;
   max-height: 100%;
+  position: relative;
 }
 
 .title {
@@ -485,6 +486,56 @@
   cursor: pointer;
 }
 
+/* Items that live inside a group — subtle tint + left connector */
+.tr.groupedItem {
+  border-left: 3px solid color-mix(in srgb, var(--color-primary, #4a6fa5) 35%, transparent);
+}
+
+.tr.groupedItem:hover {
+  background: color-mix(in srgb, var(--color-primary, #4a6fa5) 8%, var(--color-bg, #fff));
+}
+
+/**
+ * Hierarchy: set `--row-tree-indent` on the <tr> (px). Same row shifts checkbox, actions, and every `.td`.
+ * Folder rows attach this class from GroupRow.tsx; omit padding on `.folderCell` (inner strip uses `--group-indent`).
+ */
+.treeRowIndented {
+  --row-tree-indent: 0px;
+}
+
+.treeRowIndented > .selectColumn {
+  box-sizing: border-box !important;
+  padding-top: 4px !important;
+  padding-right: 4px !important;
+  padding-bottom: 4px !important;
+  padding-left: calc(4px + var(--row-tree-indent)) !important;
+}
+
+.treeRowIndented > .actionsColumn {
+  box-sizing: border-box !important;
+  padding-top: 4px !important;
+  padding-right: 4px !important;
+  padding-bottom: 4px !important;
+  padding-left: calc(4px + var(--row-tree-indent)) !important;
+}
+
+.treeRowIndented > .td {
+  box-sizing: border-box !important;
+  padding-top: 8px !important;
+  padding-right: 12px !important;
+  padding-bottom: 8px !important;
+  padding-left: calc(12px + var(--row-tree-indent)) !important;
+}
+
+.treeRowIndented > .folderCell:first-child {
+  box-sizing: border-box !important;
+  padding-left: calc(12px + var(--row-tree-indent)) !important;
+}
+
+.treeRowIndented > .selectColumn + .folderCell {
+  padding: 0 !important;
+}
+
 /* Selection Column */
 .selectColumn {
   text-align: center;
@@ -1121,3 +1172,68 @@ tbody .actionsColumn {
   gap: 4px;
   align-items: center;
 }
+
+/* ── Compact sidebar mode ───────────────────────────────────────────────────── */
+.compactMode {
+  gap: 0;
+}
+
+.compactMode .tableWrapper {
+  border: none;
+}
+
+/* Switch to auto layout so the action column shrinks to its content width
+   and the name column fills all remaining space naturally */
+.compactMode .table {
+  table-layout: auto;
+}
+
+.compactMode .td {
+  padding: 5px 8px;
+  font-size: 12px;
+  border-right: none;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  /* Let the browser size this column based on content */
+  width: auto;
+  min-width: unset;
+  max-width: unset;
+}
+
+/* Re-apply tree indent for data cells in compact mode */
+.compactMode .treeRowIndented > .td {
+  padding-top: 5px !important;
+  padding-right: 8px !important;
+  padding-bottom: 5px !important;
+  padding-left: calc(8px + var(--row-tree-indent)) !important;
+}
+
+/* The action column: fixed narrow width, no background strip */
+.compactMode .actionsColumn {
+  width: 28px !important;
+  min-width: 0 !important;
+  max-width: 28px !important;
+  padding: 2px !important;
+  background: transparent !important;
+  overflow: hidden;
+  white-space: nowrap;
+}
+
+.compactMode .actionButtons {
+  display: inline-flex !important;
+  width: auto !important;
+  gap: 0 !important;
+  justify-content: center;
+}
+
+/* Re-apply tree indent for action column in compact mode (overrides the default padding above) */
+.compactMode .treeRowIndented > .actionsColumn {
+  padding: 2px !important;
+}
+
+/* Tighten group rows in compact mode */
+.compactMode :global(.groupRow) {
+  font-size: 11px;
+  padding: 4px 8px;
+}

src/components/FormGenerator/GroupingManager/GroupRow.module.css

@@ -0,0 +1,339 @@
+/* ---------------------------------------------------------------------------
+   GroupFolderRow — file-browser-style folder rows in the data table
+   --------------------------------------------------------------------------- */
+
+.groupFolderRow {
+  background: var(--color-surface, #eef0f2);
+  border-bottom: 1px solid var(--color-border, #d4d9e0);
+  transition: background 0.12s;
+  user-select: none;
+}
+
+.groupFolderRow:hover {
+  background: color-mix(in srgb, var(--color-primary, #4a6fa5) 8%, var(--color-surface, #eef0f2));
+}
+
+.groupFolderRow.dragOver {
+  background: color-mix(in srgb, var(--color-primary, #4a6fa5) 18%, var(--color-surface, #eef0f2));
+  outline: 2px dashed var(--color-primary, #4a6fa5);
+  outline-offset: -2px;
+}
+
+/* Drop zone when another GROUP is dragged onto this group */
+.groupFolderRow.dragOverGroup {
+  background: color-mix(in srgb, #d69e2e 18%, var(--color-surface, #eef0f2));
+  outline: 2px dashed #d69e2e;
+  outline-offset: -2px;
+}
+
+/* Cursor hint while dragging a group row */
+.groupFolderRow[draggable="true"] {
+  cursor: grab;
+}
+.groupFolderRow[draggable="true"]:active {
+  cursor: grabbing;
+}
+
+/* Visual feedback: group is being dragged leftward to pop out */
+.groupFolderRow.draggingOut {
+  opacity: 0.5;
+  border-left: 3px solid #d69e2e;
+}
+
+/* Folder subtree selection (aligned with tbody .tr.selected) */
+.groupFolderRow.folderRowSubtreeFull {
+  background: rgba(124, 109, 216, 0.08);
+  background: rgba(var(--color-secondary-rgb), 0.08);
+}
+
+.groupFolderRow.folderRowSubtreePartial {
+  background: rgba(124, 109, 216, 0.04);
+  background: rgba(var(--color-secondary-rgb), 0.04);
+}
+
+.folderCell {
+  padding: 0 !important;
+  width: 100%;
+}
+
+.separator {
+  display: inline-block;
+  width: 1px;
+  height: 18px;
+  background: var(--color-border, #d4d9e0);
+  margin: 0 4px;
+  flex-shrink: 0;
+}
+
+.folderInner {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  padding: 5px 10px 5px 0;
+  min-height: 34px;
+  width: 100%;
+  box-sizing: border-box;
+}
+
+.indent {
+  display: inline-block;
+  flex-shrink: 0;
+}
+
+/* Expand/collapse chevron button */
+.chevronBtn {
+  background: none;
+  border: none;
+  cursor: pointer;
+  padding: 4px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  transition: background 0.12s;
+  flex-shrink: 0;
+  border-radius: 3px;
+  width: 20px;
+  height: 20px;
+}
+
+.chevronBtn:hover {
+  background: var(--color-primary-light, rgba(74,111,165,0.12));
+}
+
+/* Pure-CSS triangle arrow */
+.chevronArrow {
+  display: inline-block;
+  width: 0;
+  height: 0;
+  border-top: 4px solid transparent;
+  border-bottom: 4px solid transparent;
+  border-left: 6px solid var(--color-text-secondary, #64748b);
+  transition: transform 0.15s;
+  flex-shrink: 0;
+}
+
+.chevronBtn:hover .chevronArrow {
+  border-left-color: var(--color-primary, #4a6fa5);
+}
+
+.chevronOpen .chevronArrow {
+  transform: rotate(90deg);
+}
+
+/* Folder icon (SVG via react-icons) */
+.folderIcon {
+  font-size: 14px;
+  flex-shrink: 0;
+  line-height: 1;
+  margin-right: 2px;
+  color: var(--color-primary, #4a6fa5);
+  display: inline-flex;
+  align-items: center;
+}
+
+/* Group name text */
+.groupName {
+  font-size: 13px;
+  font-weight: 500;
+  color: var(--color-text, #2d3748);
+  cursor: pointer;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+  flex-shrink: 0;
+  max-width: 300px;
+}
+
+.unnamed {
+  color: var(--color-text-secondary, #94a3b8);
+  font-style: italic;
+  font-weight: 400;
+}
+
+/* Inline name input when editing */
+.nameInput {
+  font-size: 13px;
+  font-weight: 500;
+  border: 1px solid var(--color-primary, #4a6fa5);
+  border-radius: 4px;
+  padding: 2px 8px;
+  outline: none;
+  background: var(--color-bg, #fff);
+  color: var(--color-text, #2d3748);
+  min-width: 160px;
+  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary, #4a6fa5) 20%, transparent);
+}
+
+/* Item count badge */
+.badge {
+  background: color-mix(in srgb, var(--color-primary, #4a6fa5) 15%, transparent);
+  color: var(--color-primary, #4a6fa5);
+  border-radius: 10px;
+  padding: 0 7px;
+  font-size: 11px;
+  font-weight: 500;
+  line-height: 18px;
+  flex-shrink: 0;
+  margin-left: 4px;
+}
+
+/* Drop hint text */
+.dropHint {
+  font-size: 11px;
+  font-style: italic;
+  color: var(--color-primary, #4a6fa5);
+  margin-left: 4px;
+  animation: pulse 1s ease-in-out infinite alternate;
+}
+
+@keyframes pulse {
+  from { opacity: 0.6; }
+  to   { opacity: 1.0; }
+}
+
+/* ── Bulk item action buttons (same type as per-row action buttons) ── */
+.actions {
+  display: flex;
+  align-items: center;
+  gap: 3px;
+  flex-shrink: 0;
+  margin-right: 4px;
+}
+
+.actionBtn {
+  background: var(--color-bg, #fff);
+  border: 1px solid var(--color-border, #d4d9e0);
+  cursor: pointer;
+  padding: 3px 8px;
+  border-radius: 5px;
+  font-size: 12px;
+  color: var(--color-text-secondary, #64748b);
+  transition: background 0.1s, color 0.1s, border-color 0.1s;
+  line-height: 1;
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+  height: 24px;
+}
+
+.actionBtn:disabled {
+  opacity: 0.4;
+  cursor: not-allowed;
+}
+
+.actionBtn:not(:disabled):hover {
+  background: var(--color-surface, #eef0f2);
+  color: var(--color-text, #2d3748);
+  border-color: var(--color-primary, #4a6fa5);
+}
+
+.actionBtnDanger:not(:disabled):hover {
+  background: color-mix(in srgb, #e53e3e 10%, transparent);
+  color: #c53030;
+  border-color: #c53030;
+}
+
+/* ── Group management buttons (rename / add-sub / delete-group) ── */
+.mgmtActions {
+  display: flex;
+  align-items: center;
+  gap: 1px;
+  flex-shrink: 0;
+  border-left: 1px solid var(--color-border, #d4d9e0);
+  padding-left: 6px;
+  margin-left: 2px;
+}
+
+.mgmtBtn {
+  background: none;
+  border: none;
+  cursor: pointer;
+  padding: 3px 5px;
+  border-radius: 3px;
+  font-size: 11px;
+  color: var(--color-text-secondary, #94a3b8);
+  transition: background 0.1s, color 0.1s;
+  display: inline-flex;
+  align-items: center;
+  height: 22px;
+}
+
+.mgmtBtn:hover {
+  background: var(--color-border, #d4d9e0);
+  color: var(--color-text, #2d3748);
+}
+
+.mgmtBtnDanger:hover {
+  background: color-mix(in srgb, #e53e3e 12%, transparent);
+  color: #c53030;
+}
+
+/* ---------------------------------------------------------------------------
+   Breadcrumb row
+   --------------------------------------------------------------------------- */
+
+.breadcrumbRow {
+  background: color-mix(in srgb, var(--color-primary, #4a6fa5) 6%, var(--color-bg, #fff));
+}
+
+.breadcrumbCell {
+  padding: 8px 14px !important;
+}
+
+.breadcrumbInner {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  font-size: 13px;
+}
+
+.backButton {
+  background: none;
+  border: none;
+  cursor: pointer;
+  color: var(--color-primary, #4a6fa5);
+  font-size: 13px;
+  padding: 2px 8px;
+  border-radius: 5px;
+  transition: background 0.1s;
+}
+
+.backButton:hover {
+  background: color-mix(in srgb, var(--color-primary, #4a6fa5) 12%, transparent);
+}
+
+.breadcrumbSep {
+  color: var(--color-text-secondary, #94a3b8);
+}
+
+.breadcrumbCurrent {
+  font-weight: 600;
+  color: var(--color-text, #2d3748);
+}
+
+/* ---------------------------------------------------------------------------
+   Ungrouped section row
+   --------------------------------------------------------------------------- */
+
+.ungroupedRow {
+  background: var(--color-bg, #f8f9fa);
+  transition: background 0.12s, outline 0.12s;
+}
+
+/* Drop target: item or group dragged back to root */
+.ungroupedDragOver {
+  background: color-mix(in srgb, var(--color-primary, #4a6fa5) 10%, var(--color-bg, #f8f9fa));
+  outline: 2px dashed var(--color-primary, #4a6fa5);
+  outline-offset: -2px;
+}
+
+.ungroupedCell {
+  display: flex !important;
+  align-items: center;
+  gap: 6px;
+  padding: 5px 14px !important;
+  font-size: 12px;
+  color: var(--color-text-secondary, #94a3b8);
+  font-style: italic;
+  border-top: 1px dashed var(--color-border, #d4d9e0);
+}

src/components/FormGenerator/GroupingManager/GroupRow.tsx

@@ -0,0 +1,374 @@
+import React, { useEffect, useRef } from 'react';
+import ReactDOM from 'react-dom';
+import { useLanguage } from '../../../providers/language/LanguageContext';
+import { useConfirm } from '../../../hooks/useConfirm';
+import styles from './GroupRow.module.css';
+import fgTableCss from '../FormGeneratorTable/FormGeneratorTable.module.css';
+import type { TableGroupNode } from '../FormGeneratorTable/FormGeneratorTable';
+import { FaFolder, FaFolderOpen, FaList, FaPen, FaPlus } from 'react-icons/fa';
+
+// ---------------------------------------------------------------------------
+// Types
+// ---------------------------------------------------------------------------
+
+export interface GroupBulkAction {
+  icon?: React.ReactNode;
+  title?: string;
+  variant?: 'default' | 'danger';
+  onClick: () => void;
+  disabled?: boolean;
+}
+
+/** Horizontal shift per nesting level — keep in sync with item rows (`FormGeneratorTable`). */
+export const GROUP_TREE_INDENT_STEP_PX = 20;
+
+// ---------------------------------------------------------------------------
+// GroupFolderRow
+// ---------------------------------------------------------------------------
+
+/** Folder row: optional select column, then one merged cell for folder UI (spans actions + data cols — no blank actions column). */
+export interface GroupFolderTableCells {
+  showSelect: boolean;
+  /** `<td colSpan>` for folder strip = `detectedColumns.length` + (1 if table has an actions column). */
+  dataColumnsCount: number;
+  selectClassName: string;
+  selectTdStyle?: React.CSSProperties;
+}
+
+interface GroupFolderRowProps {
+  node: TableGroupNode;
+  depth: number;
+  /** Checkbox for “whole subtree”: select / clear all selectable visible items under this folder. */
+  subtreeSelect?: {
+    checked: boolean;
+    indeterminate: boolean;
+    disabled: boolean;
+    onToggle: () => void;
+  };
+  /** When set, use split `<td>` layout; omit single-cell colspan. */
+  tableCells?: GroupFolderTableCells;
+  /** Legacy single spanning cell — only used when `tableCells` is omitted. */
+  colSpan?: number;
+  visibleCount: number;
+  isExpanded: boolean;
+  isEditing: boolean;
+  /** True while an ITEM is dragged over this row (drop item into group). */
+  isDragOver: boolean;
+  /** True while a GROUP is dragged over this row (nest group inside). */
+  isDragOverFromGroup: boolean;
+  bulkActions?: GroupBulkAction[];
+  onToggle: () => void;
+  onEditCommit: (name: string) => void;
+  onEditCancel: () => void;
+  onRename: () => void;
+  onAddSub: () => void;
+  // Item drag-drop
+  onItemDragOver: (e: React.DragEvent) => void;
+  onItemDrop: (e: React.DragEvent) => void;
+  onItemDragLeave: () => void;
+  // Group drag (this row is draggable)
+  onGroupDragStart: (e: React.DragEvent) => void;
+  onGroupDragEnd: () => void;
+  onGroupDrag?: (e: React.DragEvent) => void;
+  /** True while this group is being dragged leftward to pop out one level */
+  isDraggingOut?: boolean;
+  /** Hide this row via display:none (keeps it in DOM so drag operations don't break) */
+  hidden?: boolean;
+  // Group drop (another group dropped onto this)
+  onGroupDragOver: (e: React.DragEvent) => void;
+  onGroupDrop: (e: React.DragEvent) => void;
+  onGroupDragLeave: () => void;
+}
+
+export function GroupFolderRow({
+  node,
+  depth,
+  subtreeSelect,
+  tableCells,
+  colSpan,
+  visibleCount,
+  isExpanded,
+  isEditing,
+  isDragOver,
+  isDragOverFromGroup,
+  isDraggingOut,
+  hidden,
+  bulkActions = [],
+  onToggle,
+  onEditCommit,
+  onEditCancel,
+  onRename,
+  onAddSub,
+  onItemDragOver,
+  onItemDrop,
+  onItemDragLeave,
+  onGroupDragStart,
+  onGroupDragEnd,
+  onGroupDrag,
+  onGroupDragOver,
+  onGroupDrop,
+  onGroupDragLeave,
+}: GroupFolderRowProps) {
+  const { t } = useLanguage();
+  const { ConfirmDialog } = useConfirm();
+  const inputRef = useRef<HTMLInputElement>(null);
+  const subtreeCbRef = useRef<HTMLInputElement>(null);
+  const totalCount = node.itemIds.length;
+
+  useEffect(() => {
+    const el = subtreeCbRef.current;
+    if (!el || !subtreeSelect) return;
+    el.indeterminate = subtreeSelect.indeterminate;
+  }, [subtreeSelect?.indeterminate, subtreeSelect?.checked, subtreeSelect]);
+
+  useEffect(() => {
+    if (isEditing && inputRef.current) {
+      inputRef.current.focus();
+      inputRef.current.select();
+    }
+  }, [isEditing]);
+
+  const indentPx = depth * GROUP_TREE_INDENT_STEP_PX;
+
+  const _rowClass = [
+    styles.groupFolderRow,
+    tableCells ? fgTableCss.treeRowIndented : '',
+    isDragOver ? styles.dragOver : '',
+    isDragOverFromGroup ? styles.dragOverGroup : '',
+    isDraggingOut ? styles.draggingOut : '',
+    subtreeSelect?.checked && !subtreeSelect?.disabled ? styles.folderRowSubtreeFull : '',
+    subtreeSelect?.indeterminate && !subtreeSelect?.checked ? styles.folderRowSubtreePartial : '',
+  ].filter(Boolean).join(' ');
+
+  const mergedColSpan =
+    tableCells
+      ? tableCells.dataColumnsCount
+      : (colSpan ?? 1);
+
+  const folderStripStyle =
+    ({
+      '--group-indent': `${indentPx}px`,
+      ...(tableCells
+        ? { ['--row-tree-indent' as string]: `${depth * GROUP_TREE_INDENT_STEP_PX}px` }
+        : {}),
+    }) as React.CSSProperties;
+
+  const guardDragDecor = (
+    e: React.DragEvent,
+    relay: React.DragEventHandler | undefined,
+  ) => {
+    const el = e.target as HTMLElement;
+    if (el.closest('input, button, textarea, label')) {
+      e.preventDefault();
+      e.stopPropagation();
+      return;
+    }
+    relay?.(e);
+  };
+
+  const folderCells = (
+    <>
+      {typeof document !== 'undefined' && ReactDOM.createPortal(<ConfirmDialog />, document.body)}
+
+      <tr
+        className={_rowClass}
+        style={{ ...folderStripStyle, display: hidden ? 'none' : undefined } as React.CSSProperties}
+        draggable={!isEditing}
+        onDragStart={(e) => guardDragDecor(e, onGroupDragStart)}
+        onDrag={(e) => guardDragDecor(e, onGroupDrag)}
+        onDragEnd={(e) => guardDragDecor(e, onGroupDragEnd)}
+        // item drag-over
+        onDragOver={(e) => {
+          // distinguish item vs group drag via dataTransfer type
+          if (e.dataTransfer.types.includes('application/porta-group')) {
+            onGroupDragOver(e);
+          } else {
+            onItemDragOver(e);
+          }
+        }}
+        onDrop={(e) => {
+          if (e.dataTransfer.types.includes('application/porta-group')) {
+            onGroupDrop(e);
+          } else {
+            onItemDrop(e);
+          }
+        }}
+        onDragLeave={() => { onItemDragLeave(); onGroupDragLeave(); }}
+        onDragEnter={(e) => e.preventDefault()}
+      >
+        {tableCells?.showSelect && (
+          <td className={tableCells.selectClassName} style={tableCells.selectTdStyle}>
+            {subtreeSelect && (
+              <input
+                ref={subtreeCbRef}
+                type="checkbox"
+                checked={subtreeSelect.checked}
+                disabled={subtreeSelect.disabled}
+                onChange={(e) => { e.stopPropagation(); subtreeSelect.onToggle(); }}
+                onClick={(e) => e.stopPropagation()}
+                title={node.name ? t('Auswahl unter „{name}“', { name: node.name }) : t('Auswahl dieser Gruppe')}
+                aria-label={node.name ? t('Alle sichtbaren Einträge in „{name}“ auswählen', { name: node.name }) : t('Alle sichtbaren Einträge in dieser Gruppe auswählen')}
+              />
+            )}
+          </td>
+        )}
+        <td colSpan={tableCells ? mergedColSpan : (colSpan ?? 1)} className={styles.folderCell}>
+          <div className={styles.folderInner}>
+            {/* Indent */}
+            {indentPx > 0 && <span className={styles.indent} style={{ width: indentPx }} />}
+
+            {/* Chevron */}
+            <button
+              className={`${styles.chevronBtn} ${isExpanded ? styles.chevronOpen : ''}`}
+              type="button"
+              onClick={(e) => { e.stopPropagation(); onToggle(); }}
+              title={isExpanded ? t('Zuklappen') : t('Aufklappen')}
+              tabIndex={-1}
+            >
+              <span className={styles.chevronArrow} />
+            </button>
+
+            {/* Folder icon */}
+            <span className={styles.folderIcon}>
+              {isExpanded ? <FaFolderOpen /> : <FaFolder />}
+            </span>
+
+            {/* Name / inline input */}
+            {isEditing ? (
+              <input
+                ref={inputRef}
+                defaultValue={node.name}
+                className={styles.nameInput}
+                placeholder={t('Gruppenname…')}
+                onKeyDown={(e) => {
+                  if (e.key === 'Enter') onEditCommit(e.currentTarget.value);
+                  if (e.key === 'Escape') onEditCancel();
+                }}
+                onBlur={(e) => onEditCommit(e.target.value)}
+              />
+            ) : (
+              <span className={styles.groupName} onClick={(e) => { e.stopPropagation(); onToggle(); }}>
+                {node.name || <em className={styles.unnamed}>{t('(Unbenannt)')}</em>}
+              </span>
+            )}
+
+            {/* Item count badge */}
+            {!isEditing && (
+              <span className={styles.badge}>
+                {visibleCount < totalCount && totalCount > 0
+                  ? `${visibleCount} / ${totalCount}`
+                  : String(totalCount)}
+              </span>
+            )}
+
+            {/* Drop hint */}
+            {(isDragOver || isDragOverFromGroup) && (
+              <span className={styles.dropHint}>
+                {isDragOverFromGroup ? t('Als Untergruppe ablegen') : t('Hierher ziehen')}
+              </span>
+            )}
+
+            {/* ── Bulk actions (delete all, custom batch) right after badge ── */}
+            {!isEditing && bulkActions.length > 0 && (
+              <>
+                <span className={styles.separator} />
+                <span className={styles.actions}>
+                  {bulkActions.map((action, i) => (
+                    <button
+                      key={i}
+                      type="button"
+                      className={`${styles.actionBtn} ${action.variant === 'danger' ? styles.actionBtnDanger : ''}`}
+                      title={action.title}
+                      disabled={!!action.disabled}
+                      onClick={(e) => { e.stopPropagation(); if (!action.disabled) action.onClick(); }}
+                    >
+                      {action.icon}
+                    </button>
+                  ))}
+                </span>
+              </>
+            )}
+
+            {/* ── Group management: rename / add-subgroup ── */}
+            {!isEditing && (
+              <span className={styles.mgmtActions}>
+                <button type="button" onClick={(e) => { e.stopPropagation(); onRename(); }} title={t('Umbenennen')} className={styles.mgmtBtn}><FaPen /></button>
+                <button type="button" onClick={(e) => { e.stopPropagation(); onAddSub(); }} title={t('Untergruppe erstellen')} className={styles.mgmtBtn}><FaPlus /></button>
+              </span>
+            )}
+
+            <span style={{ flex: 1 }} />
+          </div>
+        </td>
+      </tr>
+    </>
+  );
+
+  return folderCells;
+}
+
+// ---------------------------------------------------------------------------
+// BreadcrumbRow
+// ---------------------------------------------------------------------------
+
+interface BreadcrumbRowProps {
+  groupName: string;
+  totalItems: number;
+  colSpan: number;
+  onBack: () => void;
+}
+
+export function BreadcrumbRow({ groupName, totalItems, colSpan, onBack }: BreadcrumbRowProps) {
+  const { t } = useLanguage();
+  return (
+    <tr className={styles.breadcrumbRow}>
+      <td colSpan={colSpan} className={styles.breadcrumbCell}>
+        <div className={styles.breadcrumbInner}>
+          <button className={styles.backButton} onClick={onBack}>
+            ← {t('Alle anzeigen')}
+          </button>
+          <span className={styles.breadcrumbSep}>›</span>
+          <span className={styles.breadcrumbCurrent}>{groupName}</span>
+          {totalItems > 0 && (
+            <span style={{ color: 'var(--color-text-secondary, #94a3b8)', fontSize: '11px' }}>
+              ({totalItems} {t('Einträge')})
+            </span>
+          )}
+        </div>
+      </td>
+    </tr>
+  );
+}
+
+// ---------------------------------------------------------------------------
+// UngroupedRow — also a drop zone for removing items/groups from groups
+// ---------------------------------------------------------------------------
+
+interface UngroupedRowProps {
+  count: number;
+  colSpan: number;
+  isDragOver?: boolean;
+  onDragOver?: (e: React.DragEvent) => void;
+  onDrop?: (e: React.DragEvent) => void;
+  onDragLeave?: () => void;
+}
+
+export function UngroupedRow({ count, colSpan, isDragOver, onDragOver, onDrop, onDragLeave }: UngroupedRowProps) {
+  const { t } = useLanguage();
+  return (
+    <tr
+      className={`${styles.ungroupedRow} ${isDragOver ? styles.ungroupedDragOver : ''}`}
+      onDragOver={onDragOver}
+      onDrop={onDrop}
+      onDragLeave={onDragLeave}
+      onDragEnter={(e) => e.preventDefault()}
+    >
+      <td colSpan={colSpan} className={styles.ungroupedCell}>
+        <span className={styles.folderIcon}><FaList /></span>
+        {t('Nicht zugeordnet')}
+        <span className={styles.badge}>{count}</span>
+        {isDragOver && <span className={styles.dropHint}>{t('Aus Gruppe entfernen')}</span>}
+      </td>
+    </tr>
+  );
+}

src/components/UiComponents/Tabs/Tabs.tsx

@@ -10,17 +10,21 @@ export interface Tab {
 export interface TabsProps {
   tabs: Tab[];
   defaultTabId?: string;
+  /** Controlled active tab. When provided, internal state is ignored. */
+  activeTabId?: string;
   onTabChange?: (tabId: string) => void;
   className?: string;
 }
 
-export function Tabs({ tabs, defaultTabId, onTabChange, className = '' }: TabsProps) {
-  const [activeTabId, setActiveTabId] = useState<string>(
+export function Tabs({ tabs, defaultTabId, activeTabId: controlledTabId, onTabChange, className = '' }: TabsProps) {
+  const [internalTabId, setInternalTabId] = useState<string>(
     defaultTabId || tabs[0]?.id || ''
   );
 
+  const activeTabId = controlledTabId ?? internalTabId;
+
   const handleTabClick = (tabId: string) => {
-    setActiveTabId(tabId);
+    if (!controlledTabId) setInternalTabId(tabId);
     onTabChange?.(tabId);
   };
 

src/components/UnifiedDataBar/FilesTab.tsx

@@ -1,27 +1,36 @@
-import React, { useState, useCallback, useRef, useMemo } from 'react';
-import { FaFileImport } from 'react-icons/fa';
+import React, { useCallback, useRef, useMemo } from 'react';
+import { FaFileImport, FaPaperPlane } from 'react-icons/fa';
 import type { UdbContext } from './UnifiedDataBar';
 import api from '../../api';
-import FolderTree from '../../components/FolderTree/FolderTree';
-import type { FileNode } from '../../components/FolderTree/FolderTree';
-import type { FileAction } from '../../components/FolderTree/actions/types';
-import { useFileContext } from '../../contexts/FileContext';
+import { useUserFiles, useFileOperations } from '../../hooks/useFiles';
 import { useApiRequest } from '../../hooks/useApi';
 import {
   importWorkflowFromFile,
   WORKFLOW_FILE_EXTENSION,
 } from '../../api/workflowApi';
 import { useToast } from '../../contexts/ToastContext';
+import { FormGeneratorTable } from '../FormGenerator/FormGeneratorTable';
+import { ViewActionButton } from '../FormGenerator/ActionButtons/ViewActionButton';
+import actionBtnStyles from '../FormGenerator/ActionButtons/ActionButton.module.css';
 import styles from './FilesTab.module.css';
 import { useLanguage } from '../../providers/language/LanguageContext';
+import type { TableGroupNode } from '../../api/connectionApi';
+
+function _findGroupDisplayName(nodes: TableGroupNode[], groupId: string): string | null {
+  for (const n of nodes) {
+    if (n.id === groupId) return (n.name && n.name.trim()) || groupId;
+    const sub = _findGroupDisplayName(n.subGroups, groupId);
+    if (sub !== null) return sub;
+  }
+  return null;
+}
 
 interface FilesTabProps {
   context: UdbContext;
   onFileSelect?: (fileId: string, fileName?: string) => void;
-  onSendToChat?: (items: Array<{ id: string; type: 'file' | 'folder'; name: string }>) => void;
+  onSendToChat?: (items: Array<{ id: string; type: 'file' | 'group'; name: string }>) => void;
   /** Wird aufgerufen, wenn ein ``.workflow.json``-File via Custom-Action in
-   * den Graph-Editor importiert wurde. Aktivierung im Editor (Refresh-Liste,
-   * Auto-Select) bleibt Aufgabe des Aufrufers. */
+   * den Graph-Editor importiert wurde. */
   onWorkflowImported?: (workflowId: string) => void;
 }
 
@@ -29,57 +38,23 @@ const FilesTab: React.FC<FilesTabProps> = ({ context, onFileSelect, onSendToChat
   const { t } = useLanguage();
   const { request } = useApiRequest();
   const { showSuccess, showError } = useToast();
-  const [searchQuery, setSearchQuery] = useState('');
-  const [isDragOver, setIsDragOver] = useState(false);
-  const [uploading, setUploading] = useState(false);
-  const [selectedFolderId, setSelectedFolderId] = useState<string | null>(null);
+  const [isDragOver, setIsDragOver] = React.useState(false);
+  const [uploading, setUploading] = React.useState(false);
   const fileInputRef = useRef<HTMLInputElement>(null);
 
   const {
-    folders,
-    refreshFolders,
-    treeFileNodes,
-    treeFilesLoading,
-    refreshTreeFiles,
-    updateTreeFileNode,
-    expandedFolderIds,
-    toggleFolderExpanded,
-    handleCreateFolder,
-    handleRenameFolder,
-    handleDeleteFolder,
-    handleMoveFolder,
-    handleMoveFolders,
-    handleMoveFile,
-    handleMoveFiles: contextMoveFiles,
-    handleFileDelete,
-    handleDownloadFolder,
-  } = useFileContext();
+    data: files,
+    pagination,
+    loading,
+    refetch,
+    groupTree,
+  } = useUserFiles();
 
-  const _folderNodes = useMemo(() => {
-    return folders.map(f => ({
-      id: f.id,
-      name: f.name,
-      parentId: f.parentId ?? null,
-      fileCount: f.fileCount ?? 0,
-      neutralize: f.neutralize ?? false,
-      scope: f.scope ?? 'personal',
-    }));
-  }, [folders]);
+  const { handleFileDelete, previewingFiles } = useFileOperations() as any;
 
-  const _fileNodes: FileNode[] = useMemo(() => {
-    let result = treeFileNodes;
-    if (searchQuery.trim()) {
-      const q = searchQuery.toLowerCase();
-      result = result.filter(f =>
-        f.fileName.toLowerCase().includes(q),
-      );
-    }
-    return result;
-  }, [treeFileNodes, searchQuery]);
-
-  const _refreshAll = useCallback(async () => {
-    await Promise.all([refreshTreeFiles(), refreshFolders()]);
-  }, [refreshTreeFiles, refreshFolders]);
+  const _tableRefetch = useCallback(async (params?: any) => {
+    await refetch(params);
+  }, [refetch]);
 
   const _uploadFiles = useCallback(async (fileList: FileList | File[]) => {
     if (!context.instanceId || uploading) return;
@@ -93,13 +68,13 @@ const FilesTab: React.FC<FilesTabProps> = ({ context, onFileSelect, onSendToChat
           headers: { 'Content-Type': 'multipart/form-data' },
         });
       }
-      await _refreshAll();
+      await _tableRefetch();
     } catch (err) {
       console.error('File upload failed:', err);
     } finally {
       setUploading(false);
     }
-  }, [context.instanceId, uploading, _refreshAll]);
+  }, [context.instanceId, uploading, _tableRefetch]);
 
   const _handleDragOver = useCallback((e: React.DragEvent) => {
     if (e.dataTransfer.types.includes('Files')) {
@@ -131,97 +106,63 @@ const FilesTab: React.FC<FilesTabProps> = ({ context, onFileSelect, onSendToChat
     }
   }, [_uploadFiles]);
 
-  const _onMoveFile = useCallback(async (fileId: string, targetFolderId: string | null) => {
-    await handleMoveFile(fileId, targetFolderId);
-  }, [handleMoveFile]);
 
-  const _onMoveFiles = useCallback(async (fileIds: string[], targetFolderId: string | null) => {
-    await contextMoveFiles(fileIds, targetFolderId);
-  }, [contextMoveFiles]);
+  const columns = useMemo(() => [{
+    key: 'fileName',
+    label: t('Dateiname'),
+    sortable: false,
+    filterable: false,
+    searchable: false,
+    formatter: (value: any, row: any) => (
+      <div style={{ display: 'flex', alignItems: 'center', gap: 6, minWidth: 0 }}>
+        <ViewActionButton
+          row={row}
+          onView={() => {}}
+          idField="id"
+          nameField="fileName"
+          typeField="mimeType"
+          loadingStateName="previewingFiles"
+          hookData={{ previewingFiles }}
+          className={actionBtnStyles.compact}
+        />
+        <span style={{ overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap', fontSize: 12 }}>
+          {value}
+        </span>
+      </div>
+    ),
+  }], [t, previewingFiles]);
 
-  const _onDeleteFolder = useCallback(async (folderId: string) => {
-    await handleDeleteFolder(folderId);
-    if (selectedFolderId === folderId) setSelectedFolderId(null);
-  }, [handleDeleteFolder, selectedFolderId]);
+  const _groupBulkActionsProvider = useMemo(() => {
+    if (!onSendToChat) return undefined;
+    return (groupId: string, itemIds: string[]) => [
+      {
+        icon: <FaPaperPlane />,
+        title: t('Gruppe an Chat anhängen'),
+        onClick: () => {
+          const name = _findGroupDisplayName(groupTree, groupId) ?? groupId;
+          onSendToChat([{ id: groupId, type: 'group', name }]);
+        },
+        disabled: itemIds.length === 0,
+      },
+    ];
+  }, [onSendToChat, groupTree, t]);
 
-  const _onRenameFile = useCallback(async (fileId: string, newName: string) => {
-    await api.put(`/api/files/${fileId}`, { fileName: newName });
-    await refreshTreeFiles();
-  }, [refreshTreeFiles]);
-
-  const _onDeleteFile = useCallback(async (fileId: string) => {
-    await handleFileDelete(fileId);
-  }, [handleFileDelete]);
-
-  const _onDeleteFiles = useCallback(async (fileIds: string[]) => {
-    await api.post('/api/files/batch-delete', { fileIds });
-    await Promise.all([refreshTreeFiles(), refreshFolders()]);
-  }, [refreshTreeFiles, refreshFolders]);
-
-  const _onDeleteFolders = useCallback(async (folderIds: string[]) => {
-    await api.post('/api/files/batch-delete', { folderIds, recursiveFolders: true });
-    await Promise.all([refreshFolders(), refreshTreeFiles()]);
-  }, [refreshFolders, refreshTreeFiles]);
-
-  const _onScopeChange = useCallback(async (fileId: string, newScope: string) => {
-    updateTreeFileNode(fileId, { scope: newScope });
-    try {
-      await api.patch(`/api/files/${fileId}/scope`, { scope: newScope });
-    } catch (err) {
-      console.error('Failed to update scope:', err);
-      await refreshTreeFiles();
-    }
-  }, [updateTreeFileNode, refreshTreeFiles]);
-
-  const _onNeutralizeToggle = useCallback(async (fileId: string, newValue: boolean) => {
-    updateTreeFileNode(fileId, { neutralize: newValue });
-    try {
-      await api.patch(`/api/files/${fileId}/neutralize`, { neutralize: newValue });
-    } catch (err) {
-      console.error('Failed to toggle neutralize:', err);
-      await refreshTreeFiles();
-    }
-  }, [updateTreeFileNode, refreshTreeFiles]);
-
-  const _onFolderNeutralizeToggle = useCallback(async (folderId: string, newValue: boolean) => {
-    try {
-      await api.patch(`/api/files/folders/${folderId}/neutralize`, { neutralize: newValue });
-      await refreshFolders();
-      await refreshTreeFiles();
-    } catch (err) {
-      console.error('Failed to toggle folder neutralize:', err);
-    }
-  }, [refreshFolders, refreshTreeFiles]);
-
-  const _customActions: FileAction[] = useMemo(() => {
+  const _customActions = useMemo(() => {
     if (context.surface !== 'graphEditor') return [];
     return [
       {
         id: 'workflow.openInEditor',
-        label: t('In Graph-Editor laden'),
-        icon: FaFileImport,
-        scope: 'file',
-        channels: ['inline', 'menu', 'sheet', 'drop'],
-        dragMime: 'application/json+workflow',
-        sortOrder: 50,
-        predicate: ({ files }) =>
-          files.length === 1 &&
-          files[0].fileName.toLowerCase().endsWith(WORKFLOW_FILE_EXTENSION),
-        handler: async ({ files }) => {
-          const file = files[0];
-          if (!context.instanceId || !file) return;
+        icon: <FaFileImport />,
+        title: t('In Graph-Editor laden'),
+        onClick: async (row: any) => {
+          if (!context.instanceId || !row?.id) return;
+          if (!row.fileName?.toLowerCase().endsWith(WORKFLOW_FILE_EXTENSION)) return;
           try {
-            const result = await importWorkflowFromFile(request, context.instanceId, {
-              fileId: file.id,
-            });
+            const result = await importWorkflowFromFile(request, context.instanceId, { fileId: row.id });
             const warnings = result?.warnings ?? [];
             const wfId = result?.workflow?.id;
             if (warnings.length > 0) {
-              showSuccess(
-                t('Workflow importiert ({n} Warnungen). Aktivierung manuell.', {
-                  n: String(warnings.length),
-                }),
-              );
+              showSuccess(t('Workflow importiert ({n} Warnungen).', { n: String(warnings.length) }));
             } else {
               showSuccess(t('Workflow importiert (deaktiviert).'));
             }
@@ -231,24 +172,11 @@ const FilesTab: React.FC<FilesTabProps> = ({ context, onFileSelect, onSendToChat
             showError(t('Import fehlgeschlagen: {msg}', { msg }));
           }
         },
+        hidden: (row: any) => !row?.fileName?.toLowerCase().endsWith(WORKFLOW_FILE_EXTENSION),
       },
     ];
   }, [context.surface, context.instanceId, t, request, showSuccess, showError, onWorkflowImported]);
 
-  const _onFolderScopeChange = useCallback(async (folderId: string, newScope: string) => {
-    try {
-      await api.patch(`/api/files/folders/${folderId}/scope`, { scope: newScope });
-      await refreshFolders();
-      await refreshTreeFiles();
-    } catch (err) {
-      console.error('Failed to change folder scope:', err);
-    }
-  }, [refreshFolders, refreshTreeFiles]);
-
-  if (treeFilesLoading && treeFileNodes.length === 0) {
-    return <div className={styles.loading}>{t('Dateien laden')}</div>;
-  }
-
   return (
     <div
       className={styles.filesTab}
@@ -280,7 +208,7 @@ const FilesTab: React.FC<FilesTabProps> = ({ context, onFileSelect, onSendToChat
             {uploading ? '...' : '+'}
           </button>
           <button
-            onClick={_refreshAll}
+            onClick={() => _tableRefetch()}
             style={{ background: 'none', border: 'none', cursor: 'pointer', fontSize: 12, color: '#F25843' }}
           >
             {'\u21BB'}
@@ -296,57 +224,33 @@ const FilesTab: React.FC<FilesTabProps> = ({ context, onFileSelect, onSendToChat
         onChange={_handleFileInputChange}
       />
 
-      <input
-        type="text"
-        placeholder={t('Dateien suchen')}
-        value={searchQuery}
-        onChange={e => setSearchQuery(e.target.value)}
-        style={{
-          width: '100%', padding: '6px 10px', fontSize: 12, borderRadius: 4,
-          border: '1px solid #ddd', boxSizing: 'border-box', margin: '0 0 4px',
-        }}
-      />
-
-      <div style={{ flex: 1, overflow: 'auto' }}>
-        <FolderTree
-          folders={_folderNodes}
-          files={_fileNodes}
-          showFiles={true}
-          selectedFolderId={selectedFolderId}
-          onSelect={setSelectedFolderId}
-          onFileSelect={onFileSelect ? (fileId: string) => {
-            const file = treeFileNodes.find(f => f.id === fileId);
-            onFileSelect(fileId, file?.fileName);
-          } : undefined}
-          expandedIds={expandedFolderIds}
-          onToggleExpand={toggleFolderExpanded}
-          onRefresh={_refreshAll}
-          onCreateFolder={handleCreateFolder}
-          onRenameFolder={handleRenameFolder}
-          onDeleteFolder={_onDeleteFolder}
-          onMoveFolder={handleMoveFolder}
-          onMoveFolders={handleMoveFolders}
-          onMoveFile={_onMoveFile}
-          onMoveFiles={_onMoveFiles}
-          onRenameFile={_onRenameFile}
-          onDeleteFile={_onDeleteFile}
-          onDeleteFiles={_onDeleteFiles}
-          onDeleteFolders={_onDeleteFolders}
-          onDownloadFolder={handleDownloadFolder}
-          onScopeChange={_onScopeChange}
-          onNeutralizeToggle={_onNeutralizeToggle}
-          onFolderScopeChange={_onFolderScopeChange}
-          onFolderNeutralizeToggle={_onFolderNeutralizeToggle}
-          onSendToChat={onSendToChat}
+      <div style={{ flex: 1, overflow: 'auto', minHeight: 0 }}>
+        <FormGeneratorTable
+          data={files || []}
+          columns={columns}
+          apiEndpoint="/api/files/list"
+          loading={loading}
+          pagination={true}
+          pageSize={50}
+          searchable={false}
+          filterable={false}
+          sortable={false}
+          selectable={false}
+          onRowClick={(row: any) => onFileSelect?.(row.id, row.fileName)}
+          actionButtons={[]}
           customActions={_customActions}
-          udbContext={context.surface}
+          hookData={{
+            refetch: _tableRefetch,
+            pagination,
+            handleDelete: handleFileDelete,
+            previewingFiles,
+            groupTree,
+          }}
+          groupingConfig={{ contextKey: 'files/list', enabled: true }}
+          groupBulkActionsProvider={_groupBulkActionsProvider}
+          emptyMessage={t('Keine Dateien. Drag & Drop zum Hochladen.')}
+          compact={true}
         />
-
-        {_fileNodes.length === 0 && (
-          <div style={{ fontSize: 12, color: '#999', textAlign: 'center', padding: 16 }}>
-            {searchQuery ? t('Keine Dateien gefunden') : t('Keine Dateien. Drag & Drop zum Hochladen.')}
-          </div>
-        )}
       </div>
 
       <div className={styles.legend}>

src/components/UnifiedDataBar/UnifiedDataBar.tsx

@@ -7,8 +7,8 @@ import styles from './UnifiedDataBar.module.css';
 
 export type UdbTab = 'chats' | 'files' | 'sources';
 
-/** Aufruf-Surface, in der die UDB gerade lebt. Wird an `FolderTree.udbContext`
- * weitergereicht, damit Custom-Actions (z. B. `workflow.openInEditor`) sich
+/** Aufruf-Surface, in der die UDB gerade lebt. Wird an Custom-Actions
+ * (z. B. `workflow.openInEditor`) weitergereicht, damit sie sich
  * pro Surface registrieren können. */
 export type UdbSurface =
   | 'workspace'
@@ -28,7 +28,7 @@ export interface UdbContext {
 
 export interface AddToChat_FileItem {
   id: string;
-  type: 'file' | 'folder';
+  type: 'file' | 'group';
   name: string;
 }
 

src/contexts/FileContext.tsx

@@ -1,36 +1,9 @@
-import React, { createContext, useContext, useCallback, useState, useEffect, useMemo } from 'react';
-import { useLocation } from 'react-router-dom';
-import api from '../api';
+import React, { createContext, useContext } from 'react';
 import { useFileOperations, type FilePreviewResult } from '../hooks/useFiles';
-import type { FolderInfo } from '../api/fileApi';
-import type { FileNode } from '../components/FolderTree/FolderTree';
-
-export type { FolderInfo };
 
 interface FileContextType {
-  folders: FolderInfo[];
-  foldersLoading: boolean;
-  refreshFolders: () => Promise<void>;
-
-  treeFileNodes: FileNode[];
-  treeFilesLoading: boolean;
-  loadTreeFiles: (folderId: string) => Promise<void>;
-  refreshTreeFiles: () => Promise<void>;
-  updateTreeFileNode: (fileId: string, patch: Partial<FileNode>) => void;
-
-  expandedFolderIds: Set<string>;
-  toggleFolderExpanded: (id: string) => void;
-
-  handleCreateFolder: (name: string, parentId: string | null) => Promise<void>;
-  handleRenameFolder: (folderId: string, newName: string) => Promise<void>;
-  handleDeleteFolder: (folderId: string) => Promise<void>;
-  handleMoveFolder: (folderId: string, targetParentId: string | null) => Promise<void>;
-  handleMoveFolders: (folderIds: string[], targetParentId: string | null) => Promise<void>;
-  handleMoveFile: (fileId: string, targetFolderId: string | null) => Promise<void>;
-  handleMoveFiles: (fileIds: string[], targetFolderId: string | null) => Promise<void>;
-  handleDownloadFolder: (folderId: string, folderName: string) => Promise<void>;
-  handleFileDelete: (fileId: string, onOptimisticDelete?: () => void) => Promise<boolean>;
   handleFileUpload: (file: File, workflowId?: string) => Promise<{ success: boolean; fileData?: any; error?: string }>;
+  handleFileDelete: (fileId: string, onOptimisticDelete?: () => void) => Promise<boolean>;
   handleFilePreview: (fileId: string, fileName: string, mimeType?: string) => Promise<FilePreviewResult>;
   handleFileDownload: (fileId: string, fileName: string) => Promise<void>;
   uploadingFile: boolean;
@@ -41,21 +14,6 @@ interface FileContextType {
 
 export const FileContext = createContext<FileContextType | undefined>(undefined);
 
-const _ROOT_KEY = '';
-
-function _toFileNode(f: any): FileNode {
-  return {
-    id: f.id,
-    fileName: f.fileName || f.name || 'unknown',
-    mimeType: f.mimeType,
-    fileSize: f.fileSize,
-    folderId: f.folderId ?? null,
-    scope: f.scope,
-    neutralize: f.neutralize,
-    sysCreatedBy: f.sysCreatedBy,
-  };
-}
-
 export function FileProvider({ children }: { children: React.ReactNode }) {
   const {
     handleFileUpload: hookHandleFileUpload,
@@ -68,254 +26,11 @@ export function FileProvider({ children }: { children: React.ReactNode }) {
     downloadingFiles,
   } = useFileOperations();
 
-  // ── Derive a session-scoped storage key from the current feature-instance URL ──
-  const location = useLocation();
-  const storageKey = useMemo(() => {
-    const match = location.pathname.match(/^\/mandates\/([^/]+)\/([^/]+)\/([^/]+)/);
-    const instanceId = match ? match[3] : '_global';
-    return `folderTree-expandedIds-${instanceId}`;
-  }, [location.pathname]);
-
-  // ── Folder expanded state (persisted per feature-instance in sessionStorage) ──
-  const _loadExpanded = (key: string): Set<string> => {
-    try {
-      const stored = sessionStorage.getItem(key);
-      if (!stored) return new Set<string>();
-      const ids: string[] = JSON.parse(stored);
-      return new Set(ids.filter(id => id && id !== '__root__'));
-    } catch { return new Set<string>(); }
-  };
-
-  const [expandedFolderIds, setExpandedFolderIds] = useState<Set<string>>(() => _loadExpanded(storageKey));
-
-  useEffect(() => {
-    setExpandedFolderIds(_loadExpanded(storageKey));
-    setTreeFilesMap(new Map());
-    setFolders([]);
-  }, [storageKey]);
-
-  // ── Folder state ──────────────────────────────────────────────────────
-  const [folders, setFolders] = useState<FolderInfo[]>([]);
-  const [foldersLoading, setFoldersLoading] = useState(false);
-
-  const refreshFolders = useCallback(async () => {
-    setFoldersLoading(true);
-    try {
-      const response = await api.get('/api/files/folders');
-      const data = Array.isArray(response.data) ? response.data : [];
-      setFolders(data);
-    } catch (err) {
-      console.error('Failed to load folders:', err);
-    } finally {
-      setFoldersLoading(false);
-    }
-  }, []);
-
-  useEffect(() => { refreshFolders(); }, [refreshFolders, storageKey]);
-
-  // ── Tree files: lazy-loaded per expanded folder ───────────────────────
-  const [treeFilesMap, setTreeFilesMap] = useState<Map<string, FileNode[]>>(new Map());
-  const [treeFilesLoading, setTreeFilesLoading] = useState(false);
-
-  const loadTreeFiles = useCallback(async (folderId: string) => {
-    const key = folderId || _ROOT_KEY;
-    setTreeFilesLoading(true);
-    try {
-      const filterValue = folderId || null;
-      const resp = await api.get('/api/files/list', {
-        params: {
-          pagination: JSON.stringify({
-            page: 1,
-            pageSize: 500,
-            filters: { folderId: filterValue },
-          }),
-        },
-      });
-      const items: any[] = resp.data?.items || [];
-      setTreeFilesMap(prev => {
-        const next = new Map(prev);
-        next.set(key, items.map(_toFileNode));
-        return next;
-      });
-    } catch (err) {
-      console.error(`Failed to load tree files for folder ${folderId}:`, err);
-    } finally {
-      setTreeFilesLoading(false);
-    }
-  }, []);
-
-  const _removeTreeFiles = useCallback((folderId: string) => {
-    const key = folderId || _ROOT_KEY;
-    setTreeFilesMap(prev => {
-      const next = new Map(prev);
-      next.delete(key);
-      return next;
-    });
-  }, []);
-
-  const refreshTreeFiles = useCallback(async () => {
-    const keys = Array.from(treeFilesMap.keys());
-    if (!keys.includes(_ROOT_KEY)) keys.push(_ROOT_KEY);
-    await Promise.all(
-      keys.map(key => loadTreeFiles(key === _ROOT_KEY ? '' : key)),
-    );
-  }, [treeFilesMap, loadTreeFiles]);
-
-  const updateTreeFileNode = useCallback((fileId: string, patch: Partial<FileNode>) => {
-    setTreeFilesMap(prev => {
-      const next = new Map<string, FileNode[]>();
-      let found = false;
-      for (const [key, files] of prev) {
-        const updated = files.map(f => {
-          if (f.id === fileId) {
-            found = true;
-            return { ...f, ...patch };
-          }
-          return f;
-        });
-        next.set(key, updated);
-      }
-      return found ? next : prev;
-    });
-  }, []);
-
-  // Load root files on mount and on context change
-  useEffect(() => { loadTreeFiles(''); }, [loadTreeFiles, storageKey]);
-
-  // Load files for expanded folders on mount and context change
-  useEffect(() => {
-    expandedFolderIds.forEach(id => {
-      if (!treeFilesMap.has(id)) {
-        loadTreeFiles(id);
-      }
-    });
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [storageKey]);
-
-  const treeFileNodes: FileNode[] = useMemo(() => {
-    const result: FileNode[] = [];
-    for (const [, files] of treeFilesMap) {
-      for (const f of files) result.push(f);
-    }
-    return result;
-  }, [treeFilesMap]);
-
-  // ── Toggle expand: load/unload tree files ─────────────────────────────
-  const toggleFolderExpanded = useCallback((id: string) => {
-    setExpandedFolderIds(prev => {
-      const next = new Set(prev);
-      if (next.has(id)) {
-        next.delete(id);
-      } else {
-        next.add(id);
-        loadTreeFiles(id);
-      }
-      try { sessionStorage.setItem(storageKey, JSON.stringify([...next])); } catch {}
-      return next;
-    });
-  }, [storageKey, loadTreeFiles]);
-
-  // ── Folder operations ─────────────────────────────────────────────────
-  const handleCreateFolder = useCallback(async (name: string, parentId: string | null) => {
-    await api.post('/api/files/folders', { name, parentId: parentId || null });
-    await refreshFolders();
-  }, [refreshFolders]);
-
-  const handleRenameFolder = useCallback(async (folderId: string, newName: string) => {
-    await api.put(`/api/files/folders/${folderId}`, { name: newName });
-    await refreshFolders();
-  }, [refreshFolders]);
-
-  const handleDeleteFolder = useCallback(async (folderId: string) => {
-    await api.delete(`/api/files/folders/${folderId}`, { params: { recursive: true } });
-    _removeTreeFiles(folderId);
-    await refreshFolders();
-  }, [refreshFolders, _removeTreeFiles]);
-
-  const handleMoveFolder = useCallback(async (folderId: string, targetParentId: string | null) => {
-    await api.post(`/api/files/folders/${folderId}/move`, { targetParentId });
-    await refreshFolders();
-  }, [refreshFolders]);
-
-  const handleMoveFolders = useCallback(async (folderIds: string[], targetParentId: string | null) => {
-    await api.post('/api/files/batch-move', { folderIds, targetParentId });
-    await refreshFolders();
-  }, [refreshFolders]);
-
-  // ── File operations ───────────────────────────────────────────────────
-  const handleMoveFile = useCallback(async (fileId: string, targetFolderId: string | null) => {
-    await api.post(`/api/files/${fileId}/move`, { targetFolderId });
-    await refreshTreeFiles();
-    await refreshFolders();
-  }, [refreshTreeFiles, refreshFolders]);
-
-  const handleMoveFiles = useCallback(async (fileIds: string[], targetFolderId: string | null) => {
-    await api.post('/api/files/batch-move', { fileIds, targetFolderId });
-    await refreshTreeFiles();
-    await refreshFolders();
-  }, [refreshTreeFiles, refreshFolders]);
-
-  const handleFileUpload = useCallback(async (file: File, workflowId?: string) => {
-    const result = await hookHandleFileUpload(file, workflowId);
-    if (result.success) {
-      await refreshTreeFiles();
-      await refreshFolders();
-    }
-    return result;
-  }, [hookHandleFileUpload, refreshTreeFiles, refreshFolders]);
-
-  const handleFileDelete = useCallback(async (fileId: string, onOptimisticDelete?: () => void) => {
-    const success = await hookHandleFileDelete(fileId, () => {
-      onOptimisticDelete?.();
-    });
-    if (success) {
-      await refreshTreeFiles();
-      await refreshFolders();
-    }
-    return success;
-  }, [hookHandleFileDelete, refreshTreeFiles, refreshFolders]);
-
-  const handleDownloadFolder = useCallback(async (folderId: string, folderName: string) => {
-    try {
-      const response = await api.get(`/api/files/folders/${folderId}/download`, {
-        responseType: 'blob',
-      });
-      const url = window.URL.createObjectURL(response.data);
-      const link = document.createElement('a');
-      link.href = url;
-      link.setAttribute('download', `${folderName}.zip`);
-      document.body.appendChild(link);
-      link.click();
-      link.remove();
-      window.URL.revokeObjectURL(url);
-    } catch (err) {
-      console.error('Failed to download folder:', err);
-    }
-  }, []);
-
   return (
     <FileContext.Provider
       value={{
-        folders,
-        foldersLoading,
-        refreshFolders,
-        treeFileNodes,
-        treeFilesLoading,
-        loadTreeFiles,
-        refreshTreeFiles,
-        updateTreeFileNode,
-        expandedFolderIds,
-        toggleFolderExpanded,
-        handleCreateFolder,
-        handleRenameFolder,
-        handleDeleteFolder,
-        handleMoveFolder,
-        handleMoveFolders,
-        handleMoveFile,
-        handleMoveFiles,
-        handleDownloadFolder,
-        handleFileDelete,
-        handleFileUpload,
+        handleFileUpload: hookHandleFileUpload,
+        handleFileDelete: hookHandleFileDelete,
         handleFilePreview,
         handleFileDownload: async (fileId: string, fileName: string) => {
           await handleFileDownload(fileId, fileName);

src/hooks/useApi.ts

@@ -49,7 +49,7 @@ export function formatApiError(error: any, defaultMessage: string): string {
 // Type for API request options
 export interface ApiRequestOptions<T> {
   url: string;
-  method: 'get' | 'post' | 'put' | 'delete';
+  method: 'get' | 'post' | 'put' | 'patch' | 'delete';
   data?: T;
   params?: Record<string, string | number | boolean>;
   additionalConfig?: Record<string, any>; // For responseType, headers, etc.
@@ -74,7 +74,7 @@ export function useApiRequest<RequestData = any, ResponseData = any>() {
       // Generate cache key for GET requests (only cache GET requests)
       const cacheKey = method === 'get' ? generateCacheKey(url, method, params) : null;
       
-      // Mutating requests (POST/PUT/DELETE) invalidate the entire GET cache.
+      // Mutating requests (POST/PUT/PATCH/DELETE) invalidate the entire GET cache.
       // This ensures refetch() after create/update/delete returns fresh data.
       if (method !== 'get') {
         requestCache.clear();

src/hooks/useConnections.ts

@@ -22,6 +22,7 @@ import {
 
 // Re-export types for backward compatibility
 export type { Connection, AttributeDefinition, PaginationParams, CreateConnectionData, ConnectResponse };
+export type { TableGroupNode } from '../api/connectionApi';
 
 // Hook for managing connections
 export function useConnections() {
@@ -34,6 +35,7 @@ export function useConnections() {
     totalItems: number;
     totalPages: number;
   } | null>(null);
+  const [groupTree, setGroupTree] = useState<import('../api/connectionApi').TableGroupNode[]>([]);
   const [isConnecting, setIsConnecting] = useState(false);
   const [connectError, setConnectError] = useState<string | null>(null);
   const { request, isLoading, error } = useApiRequest<any, any>();
@@ -101,6 +103,9 @@ export function useConnections() {
         if (data.pagination) {
           setPagination(data.pagination);
         }
+        if (Array.isArray(data.groupTree)) {
+          setGroupTree(data.groupTree);
+        }
       } else {
         // Handle non-paginated response (backward compatibility)
         const items = Array.isArray(data) ? data : [];
@@ -708,6 +713,90 @@ export function useConnections() {
     }
   }, [connections, request]);
 
+  /**
+   * Generic wizard entry-point: create a connection of any supported type with
+   * optional knowledge consent + preferences, then immediately open the OAuth
+   * popup. The three individual `create*ConnectionAndAuth` methods are preserved
+   * for backward-compat but new wizard code should call this.
+   */
+  const createConnectionAndAuth = async (
+    type: 'google' | 'msft' | 'clickup',
+    knowledgeIngestionEnabled: boolean,
+    knowledgePreferences?: import('../api/connectionApi').KnowledgePreferences | null,
+  ): Promise<void> => {
+    if (isConnecting) return;
+    setIsConnecting(true);
+    try {
+      const newConnection = await createConnection({
+        type,
+        authority: type,
+        knowledgeIngestionEnabled,
+        knowledgePreferences: knowledgePreferences ?? null,
+      });
+
+      const connectResponse = await connectServiceApi(request, newConnection.id);
+      if (!connectResponse.authUrl) {
+        throw new Error('No OAuth URL received from backend');
+      }
+
+      const apiBaseUrl = getApiBaseUrl();
+      let authUrl = connectResponse.authUrl;
+      if (authUrl.startsWith('/')) authUrl = `${apiBaseUrl}${authUrl}`;
+
+      return await new Promise<void>((resolve, reject) => {
+        const popup = window.open(authUrl, `${type}-wizard`, 'width=500,height=600,scrollbars=yes,resizable=yes');
+        if (!popup) {
+          setIsConnecting(false);
+          reject(new Error('Popup was blocked. Please allow popups and try again.'));
+          return;
+        }
+
+        const SUCCESS_TYPES = new Set([
+          'google_connection_success', 'msft_connection_success', 'clickup_connection_success',
+          'google_auth_success',
+        ]);
+        const ERROR_TYPES = new Set([
+          'google_connection_error', 'msft_connection_error', 'clickup_connection_error',
+        ]);
+
+        const checkClosed = setInterval(() => {
+          if (popup.closed) {
+            clearInterval(checkClosed);
+            window.removeEventListener('message', messageListener);
+            setIsConnecting(false);
+            fetchConnections();
+            resolve();
+          }
+        }, 1000);
+
+        const messageListener = (event: MessageEvent) => {
+          const apiUrl = new URL(apiBaseUrl);
+          if (event.origin !== apiUrl.origin) return;
+
+          if (SUCCESS_TYPES.has(event.data.type)) {
+            clearInterval(checkClosed);
+            window.removeEventListener('message', messageListener);
+            popup.close();
+            setIsConnecting(false);
+            fetchConnections();
+            resolve();
+          } else if (ERROR_TYPES.has(event.data.type)) {
+            clearInterval(checkClosed);
+            window.removeEventListener('message', messageListener);
+            popup.close();
+            setIsConnecting(false);
+            reject(new Error(event.data.error || `${type} connection failed`));
+          }
+        };
+
+        window.addEventListener('message', messageListener);
+      });
+    } catch (error: any) {
+      setIsConnecting(false);
+      throw error;
+    }
+  };
+
   return {
     connections,
     data: connections, // Alias for FormGenerator compatibility
@@ -726,6 +815,7 @@ export function useConnections() {
     createClickupConnectionAndAuth,
     createInfomaniakConnection,
     submitInfomaniakToken,
+    createConnectionAndAuth,
     isLoading,
     loading: isLoading, // Alias for FormGenerator compatibility
     isConnecting,
@@ -741,7 +831,8 @@ export function useConnections() {
     // Additional methods for FormGenerator
     updateOptimistically,
     handleInlineUpdate,
-    fetchConnectionById
+    fetchConnectionById,
+    groupTree,
   };
 }
 

src/hooks/useFiles.ts

@@ -12,8 +12,8 @@ import {
   updateFile as updateFileApi,
   deleteFile as deleteFileApi,
   deleteFiles as deleteFilesApi,
-  type FolderInfo,
 } from '../api/fileApi';
+import type { TableGroupNode } from '../api/connectionApi';
 
 export interface FilePreviewResult {
   success: boolean;
@@ -73,6 +73,7 @@ export function useUserFiles() {
     totalItems: number;
     totalPages: number;
   } | null>(null);
+  const [groupTree, setGroupTree] = useState<TableGroupNode[]>([]);
   const { request, isLoading: loading, error } = useApiRequest<null, UserFile[]>();
   const { checkPermission } = usePermissions();
   
@@ -172,6 +173,9 @@ export function useUserFiles() {
         if (data.pagination) {
           setPagination(data.pagination);
         }
+        if (Array.isArray((data as any).groupTree)) {
+          setGroupTree((data as any).groupTree);
+        }
       } else {
         // Handle non-paginated response (backward compatibility)
         console.log('📋 Processing non-paginated response:', {
@@ -325,6 +329,7 @@ export function useUserFiles() {
     attributes,
     permissions,
     pagination,
+    groupTree,
     fetchFileById,
     generateEditFieldsFromAttributes,
     ensureAttributesLoaded
@@ -493,7 +498,6 @@ export function useFileOperations() {
     file: globalThis.File,
     workflowId?: string,
     featureInstanceId?: string,
-    folderId?: string | null,
   ) => {
     setUploadError(null);
     setUploadingFile(true);
@@ -518,9 +522,6 @@ export function useFileOperations() {
       if (featureInstanceId) {
         formData.append('featureInstanceId', featureInstanceId);
       }
-      if (folderId) {
-        formData.append('folderId', folderId);
-      }
       
       // FormData is now correctly configured for backend
       
@@ -696,87 +697,4 @@ export function useFileOperations() {
     handleInlineUpdate,
     isLoading
   };
-}
-
-// ── Folder management hook ──────────────────────────────────────────────────
-
-export function useFolders() {
-  const [folders, setFolders] = useState<FolderInfo[]>([]);
-  const [loading, setLoading] = useState(false);
-  const { showError } = useToast();
-
-  const refresh = useCallback(async () => {
-    setLoading(true);
-    try {
-      const response = await api.get('/api/files/folders');
-      const data = Array.isArray(response.data) ? response.data : [];
-      setFolders(data);
-    } catch (err) {
-      console.error('Failed to load folders:', err);
-    } finally {
-      setLoading(false);
-    }
-  }, []);
-
-  useEffect(() => { refresh(); }, [refresh]);
-
-  const handleCreateFolder = useCallback(async (name: string, parentId: string | null) => {
-    try {
-      await api.post('/api/files/folders', { name, parentId: parentId || null });
-      await refresh();
-    } catch (err: any) {
-      showError(err?.response?.data?.detail || err?.message || 'Folder creation failed');
-      throw err;
-    }
-  }, [refresh, showError]);
-
-  const handleRenameFolder = useCallback(async (folderId: string, newName: string) => {
-    try {
-      await api.put(`/api/files/folders/${folderId}`, { name: newName });
-      await refresh();
-    } catch (err: any) {
-      showError(err?.response?.data?.detail || err?.message || 'Rename failed');
-      throw err;
-    }
-  }, [refresh, showError]);
-
-  const handleDeleteFolder = useCallback(async (folderId: string) => {
-    try {
-      await api.delete(`/api/files/folders/${folderId}`, { params: { recursive: true } });
-      await refresh();
-    } catch (err: any) {
-      showError(err?.response?.data?.detail || err?.message || 'Delete failed');
-      throw err;
-    }
-  }, [refresh, showError]);
-
-  const handleMoveFolder = useCallback(async (folderId: string, targetParentId: string | null) => {
-    try {
-      await api.post(`/api/files/folders/${folderId}/move`, { targetParentId });
-      await refresh();
-    } catch (err: any) {
-      showError(err?.response?.data?.detail || err?.message || 'Move failed');
-      throw err;
-    }
-  }, [refresh, showError]);
-
-  const handleMoveFile = useCallback(async (fileId: string, targetFolderId: string | null) => {
-    try {
-      await api.post(`/api/files/${fileId}/move`, { targetFolderId });
-    } catch (err: any) {
-      showError(err?.response?.data?.detail || err?.message || 'Move failed');
-      throw err;
-    }
-  }, [showError]);
-
-  return {
-    folders,
-    loading,
-    refresh,
-    handleCreateFolder,
-    handleRenameFolder,
-    handleDeleteFolder,
-    handleMoveFolder,
-    handleMoveFile,
-  };
 }

src/hooks/usePrompts.ts

@@ -13,6 +13,7 @@ import {
   type AttributeDefinition,
   type PaginationParams
 } from '../api/promptApi';
+import type { TableGroupNode } from '../api/connectionApi';
 
 // Re-export types for backward compatibility
 export type { Prompt, AttributeDefinition, PaginationParams };
@@ -34,6 +35,7 @@ export function usePrompts() {
     totalItems: number;
     totalPages: number;
   } | null>(null);
+  const [groupTree, setGroupTree] = useState<TableGroupNode[]>([]);
   const { request, isLoading: loading, error } = useApiRequest<null, Prompt[]>();
   const { checkPermission } = usePermissions();
 
@@ -99,6 +101,9 @@ export function usePrompts() {
         if (data.pagination) {
           setPagination(data.pagination);
         }
+        if (Array.isArray((data as any).groupTree)) {
+          setGroupTree((data as any).groupTree);
+        }
       } else {
         // Handle non-paginated response (backward compatibility)
         const items = Array.isArray(data) ? data : [];
@@ -454,10 +459,11 @@ export function usePrompts() {
     attributes,
     permissions,
     pagination,
+    groupTree,
     fetchPromptById,
     generateEditFieldsFromAttributes,
     generateCreateFieldsFromAttributes,
-    ensureAttributesLoaded // Generic function to ensure attributes are loaded
+    ensureAttributesLoaded
   };
 }
 

src/pages/AutomationsDashboardPage.tsx

@@ -7,7 +7,7 @@
  */
 
 import React, { useState, useCallback, useEffect, useMemo, useRef } from 'react';
-import { useNavigate } from 'react-router-dom';
+import { useNavigate, useSearchParams } from 'react-router-dom';
 import { FaSync, FaPlay, FaCog, FaChartBar, FaDownload, FaCheck, FaBan, FaPen, FaEye, FaTimes, FaStream, FaStop } from 'react-icons/fa';
 import { FormGeneratorTable, type ColumnConfig } from '../components/FormGenerator';
 import { Tabs } from '../components/UiComponents/Tabs';
@@ -15,7 +15,7 @@ import { useToast } from '../contexts/ToastContext';
 import { usePrompt } from '../hooks/usePrompt';
 import { useApiRequest } from '../hooks/useApi';
 import { formatUnixTimestamp } from '../utils/time';
-import { updateWorkflow, executeGraph, deleteSystemWorkflow } from '../api/workflowApi';
+import { updateWorkflow, executeGraph, deleteSystemWorkflow, fetchWorkspaceRunDetail } from '../api/workflowApi';
 import { fetchAttributes } from '../api/attributesApi';
 import type { AttributeDefinition } from '../api/attributesApi';
 import { resolveColumnTypes } from '../utils/columnTypeResolver';
@@ -424,7 +424,12 @@ const _RunTracingModal: React.FC<_RunTracingModalProps> = ({ run, onClose }) =>
 // DashboardTab — Metrics + Runs table with backend pagination
 // ===========================================================================
 
-const _DashboardTab: React.FC = () => {
+interface _DashboardTabProps {
+  workflowFilter?: string | null;
+  onRunClick?: (runId: string) => void;
+}
+
+const _DashboardTab: React.FC<_DashboardTabProps> = ({ workflowFilter, onRunClick }) => {
   const { t } = useLanguage();
   const { request } = useApiRequest();
   const { showError } = useToast();
@@ -491,8 +496,7 @@ const _DashboardTab: React.FC = () => {
 
   useEffect(() => {
     _loadMetrics();
-    _loadRuns();
-  }, [_loadMetrics, _loadRuns]);
+  }, [_loadMetrics]);
 
   const hasRunningRuns = runs.some((r) => r.status === 'running' || r.status === 'paused');
   useEffect(() => {
@@ -531,13 +535,19 @@ const _DashboardTab: React.FC = () => {
     }
   }, [showError, t]);
 
+  const _initialFilters = useMemo(() => {
+    if (!workflowFilter) return undefined;
+    return { workflowId: workflowFilter };
+  }, [workflowFilter]);
+
   const _rawRunColumns: ColumnConfig[] = useMemo(() => [
     {
-      key: 'workflowLabel',
+      key: 'workflowId',
       label: t('Workflow'),
       width: 200,
       sortable: true,
-      formatter: (v: string, row: WorkflowRun) => v || row.workflowId || t('—'),
+      filterable: true,
+      displayField: 'workflowLabel',
     },
     {
       key: 'mandateId',
@@ -643,7 +653,9 @@ const _DashboardTab: React.FC = () => {
         </div>
       )}
 
-      <h3 style={{ fontSize: '0.95rem', fontWeight: 600, marginBottom: 8, flexShrink: 0 }}>{t('Letzte Runs')}</h3>
+      <div style={{ display: 'flex', alignItems: 'center', gap: 12, marginBottom: 8, flexShrink: 0 }}>
+        <h3 style={{ fontSize: '0.95rem', fontWeight: 600, margin: 0 }}>{t('Letzte Runs')}</h3>
+      </div>
       <div className={styles.tableContainer}>
         <FormGeneratorTable<WorkflowRun>
           data={runs}
@@ -656,7 +668,9 @@ const _DashboardTab: React.FC = () => {
           sortable={true}
           selectable={true}
           initialSort={[{ key: 'startedAt', direction: 'desc' }]}
+          initialFilters={_initialFilters}
           apiEndpoint="/api/system/workflow-runs"
+          onRowClick={(row) => onRunClick?.(row.id)}
           customActions={[
             {
               id: 'tracing',
@@ -686,7 +700,11 @@ const _DashboardTab: React.FC = () => {
 // WorkflowsTab — Central workflow management across all instances
 // ===========================================================================
 
-const _WorkflowsTab: React.FC = () => {
+interface _WorkflowsTabProps {
+  onWorkflowClick?: (workflowId: string) => void;
+}
+
+const _WorkflowsTab: React.FC<_WorkflowsTabProps> = ({ onWorkflowClick }) => {
   const { t } = useLanguage();
   const navigate = useNavigate();
   const { request } = useApiRequest();
@@ -1051,6 +1069,7 @@ const _WorkflowsTab: React.FC = () => {
             },
           ]}
           onDelete={(row) => _handleDelete(row.id)}
+          onRowClick={(row) => onWorkflowClick?.(row.id)}
           hookData={_hookData}
           emptyMessage={t('Keine Workflows gefunden.')}
         />
@@ -1061,29 +1080,289 @@ const _WorkflowsTab: React.FC = () => {
 };
 
 // ===========================================================================
-// Main page with Tabs
+// Workspace Tab (run detail only — no table)
+// ===========================================================================
+
+const _FILE_REF_KEYS = new Set(['fileId', 'documentId', 'fileIds', 'documents']);
+
+function _isPlainObject(v: unknown): v is Record<string, unknown> {
+  return typeof v === 'object' && v !== null && !Array.isArray(v);
+}
+
+function _stripFileRefKeys(value: unknown): unknown {
+  if (_isPlainObject(value)) {
+    const out: Record<string, unknown> = {};
+    for (const [k, v] of Object.entries(value)) {
+      if (_FILE_REF_KEYS.has(k)) continue;
+      const stripped = _stripFileRefKeys(v);
+      if (stripped !== undefined) out[k] = stripped;
+    }
+    return Object.keys(out).length > 0 ? out : undefined;
+  }
+  if (Array.isArray(value)) {
+    const out = value.map((v) => _stripFileRefKeys(v)).filter((v) => v !== undefined);
+    return out.length > 0 ? out : undefined;
+  }
+  return value;
+}
+
+function _formatScalar(v: unknown): string {
+  if (v === null || v === undefined) return '—';
+  if (typeof v === 'string') return v;
+  if (typeof v === 'number' || typeof v === 'boolean') return String(v);
+  return JSON.stringify(v);
+}
+
+const _DataBlock: React.FC<{ data: unknown; emptyHint?: string }> = ({ data, emptyHint }) => {
+  if (data === undefined || data === null) {
+    return emptyHint ? <p style={{ fontSize: '0.8rem', color: 'var(--text-secondary)', margin: 0 }}>{emptyHint}</p> : null;
+  }
+
+  if (_isPlainObject(data)) {
+    const entries = Object.entries(data);
+    if (entries.length === 0) {
+      return emptyHint ? <p style={{ fontSize: '0.8rem', color: 'var(--text-secondary)', margin: 0 }}>{emptyHint}</p> : null;
+    }
+    return (
+      <div style={{ display: 'flex', flexDirection: 'column', gap: '0.25rem' }}>
+        {entries.map(([k, v]) => {
+          const isComplex = _isPlainObject(v) || Array.isArray(v);
+          if (isComplex) {
+            return (
+              <details key={k} style={{ fontSize: '0.8rem' }}>
+                <summary style={{ cursor: 'pointer', color: 'var(--text-secondary)' }}>
+                  <code style={{ fontWeight: 500 }}>{k}</code>
+                </summary>
+                <pre style={{ fontSize: '0.75rem', maxHeight: 240, overflow: 'auto', margin: '0.25rem 0 0 1rem', background: 'var(--bg-secondary)', padding: '0.5rem', borderRadius: 4 }}>
+                  {JSON.stringify(v, null, 2)}
+                </pre>
+              </details>
+            );
+          }
+          return (
+            <div key={k} style={{ display: 'flex', gap: '0.5rem', fontSize: '0.8rem', alignItems: 'baseline' }}>
+              <code style={{ color: 'var(--text-secondary)', minWidth: 140, flexShrink: 0 }}>{k}</code>
+              <span style={{ wordBreak: 'break-word' }}>{_formatScalar(v)}</span>
+            </div>
+          );
+        })}
+      </div>
+    );
+  }
+
+  return (
+    <pre style={{ fontSize: '0.75rem', maxHeight: 240, overflow: 'auto', margin: 0, background: 'var(--bg-secondary)', padding: '0.5rem', borderRadius: 4 }}>
+      {JSON.stringify(data, null, 2)}
+    </pre>
+  );
+};
+
+const _FileLinkList: React.FC<{ files: Array<{ id: string; fileName?: string }> }> = ({ files }) => {
+  if (!files.length) return null;
+  const baseUrl = api.defaults.baseURL || '';
+  return (
+    <div style={{ display: 'flex', gap: '0.4rem', flexWrap: 'wrap', marginTop: '0.25rem' }}>
+      {files.map((f) => (
+        <a
+          key={f.id}
+          href={`${baseUrl}/api/files/${f.id}/download`}
+          download
+          style={{ padding: '0.3rem 0.6rem', border: '1px solid var(--border-color)', borderRadius: 4, textDecoration: 'none', color: 'var(--primary-color)', fontSize: '0.78rem' }}
+        >
+          <FaDownload style={{ marginRight: 4 }} />
+          {f.fileName || f.id}
+        </a>
+      ))}
+    </div>
+  );
+};
+
+interface _WorkspaceTabProps {
+  runId: string | null;
+  onBack: () => void;
+}
+
+const _WorkspaceTab: React.FC<_WorkspaceTabProps> = ({ runId, onBack }) => {
+  const { t } = useLanguage();
+  const { request } = useApiRequest();
+  const [runDetail, setRunDetail] = useState<Awaited<ReturnType<typeof fetchWorkspaceRunDetail>> | null>(null);
+  const [detailLoading, setDetailLoading] = useState(false);
+
+  const _loadDetail = useCallback(async (id: string) => {
+    setDetailLoading(true);
+    try {
+      const detail = await fetchWorkspaceRunDetail(request, id);
+      setRunDetail(detail);
+    } catch (e) {
+      console.error('Workspace run detail failed', e);
+    } finally {
+      setDetailLoading(false);
+    }
+  }, [request]);
+
+  useEffect(() => {
+    if (runId) _loadDetail(runId);
+    else setRunDetail(null);
+  }, [runId, _loadDetail]);
+
+  if (!runId) {
+    return (
+      <div style={{ padding: '1rem', flex: 1, color: 'var(--text-secondary)' }}>
+        <p>{t('Wähle einen Run im Dashboard aus, um die Details anzuzeigen.')}</p>
+      </div>
+    );
+  }
+
+  if (detailLoading || !runDetail) {
+    return <div style={{ padding: '1rem', flex: 1 }}><p>{t('Laden…')}</p></div>;
+  }
+
+  const { run, steps, workflow, unassignedFiles } = runDetail;
+
+  return (
+    <div style={{ padding: '1rem', flex: 1, minHeight: 0, overflowY: 'auto' }}>
+      <button type="button" className={styles.secondaryButton} onClick={onBack} style={{ marginBottom: '1rem' }}>
+        ← {t('Zurück zum Dashboard')}
+      </button>
+      <h3 style={{ margin: '0.5rem 0' }}>{run.workflowLabel || run.workflowId}</h3>
+      <div style={{ display: 'flex', gap: '1rem', flexWrap: 'wrap', fontSize: '0.85rem', color: 'var(--text-secondary)', marginBottom: '1rem' }}>
+        <span><strong>{t('Status')}:</strong> {run.status}</span>
+        {run.startedAt && <span><strong>{t('Start')}:</strong> {_formatTs(run.startedAt)}</span>}
+        {run.completedAt && <span><strong>{t('Ende')}:</strong> {_formatTs(run.completedAt)}</span>}
+        {workflow?.targetFeatureInstanceId && <span><strong>{t('Ziel-Instanz')}:</strong> {run.targetInstanceLabel || workflow.targetFeatureInstanceId}</span>}
+        {(run.costTokens ?? 0) > 0 && <span><strong>Tokens:</strong> {run.costTokens}</span>}
+      </div>
+      {run.error && (
+        <div style={{ padding: '0.5rem', background: 'rgba(220,53,69,0.1)', borderRadius: 6, marginBottom: '1rem', color: 'var(--danger-color)' }}>
+          {run.error}
+        </div>
+      )}
+      <h4 style={{ margin: '1rem 0 0.5rem' }}>{t('Schritte')}</h4>
+      {steps.length === 0 ? (
+        <p style={{ color: 'var(--text-secondary)' }}>{t('Keine Schritte protokolliert.')}</p>
+      ) : (
+        <div style={{ display: 'flex', flexDirection: 'column', gap: '0.5rem' }}>
+          {steps.map((step) => {
+            const inputData = _stripFileRefKeys(step.inputSnapshot ?? {});
+            const outputData = _stripFileRefKeys(step.output ?? {});
+            const inputFiles = step.inputFiles ?? [];
+            const outputFiles = step.outputFiles ?? [];
+            const hasInput = inputData !== undefined || inputFiles.length > 0;
+            const hasOutput = outputData !== undefined || outputFiles.length > 0;
+            return (
+              <details key={step.id} style={{ border: '1px solid var(--border-color)', borderRadius: 6, padding: '0.5rem' }}>
+                <summary style={{ cursor: 'pointer', fontWeight: 500 }}>
+                  <span style={{ marginRight: '0.5rem', fontSize: '0.75rem', padding: '2px 6px', borderRadius: 4, background: step.status === 'completed' ? 'rgba(40,167,69,0.15)' : step.status === 'failed' ? 'rgba(220,53,69,0.15)' : 'rgba(0,123,255,0.15)', color: step.status === 'completed' ? 'var(--success-color)' : step.status === 'failed' ? 'var(--danger-color)' : 'var(--primary-color)' }}>
+                    {step.status}
+                  </span>
+                  {step.nodeType} ({step.nodeId})
+                  {step.durationMs != null && <span style={{ marginLeft: '0.5rem', fontSize: '0.75rem', color: 'var(--text-secondary)' }}>{step.durationMs}ms</span>}
+                  {(step.tokensUsed ?? 0) > 0 && <span style={{ marginLeft: '0.5rem', fontSize: '0.75rem', color: 'var(--text-secondary)' }}>{step.tokensUsed} tokens</span>}
+                </summary>
+                <div style={{ display: 'flex', flexDirection: 'column', gap: '0.75rem', marginTop: '0.5rem' }}>
+                  {hasInput && (
+                    <section>
+                      <div style={{ fontSize: '0.78rem', fontWeight: 600, color: 'var(--text-secondary)', textTransform: 'uppercase', letterSpacing: '0.04em', marginBottom: '0.25rem' }}>
+                        {t('Input')}
+                      </div>
+                      <_DataBlock data={inputData} />
+                      <_FileLinkList files={inputFiles} />
+                    </section>
+                  )}
+                  {hasOutput && (
+                    <section>
+                      <div style={{ fontSize: '0.78rem', fontWeight: 600, color: 'var(--text-secondary)', textTransform: 'uppercase', letterSpacing: '0.04em', marginBottom: '0.25rem' }}>
+                        {t('Output')}
+                      </div>
+                      <_DataBlock data={outputData} />
+                      <_FileLinkList files={outputFiles} />
+                    </section>
+                  )}
+                  {step.error && (
+                    <section>
+                      <div style={{ fontSize: '0.78rem', fontWeight: 600, color: 'var(--danger-color)', textTransform: 'uppercase', letterSpacing: '0.04em', marginBottom: '0.25rem' }}>
+                        {t('Fehler')}
+                      </div>
+                      <p style={{ color: 'var(--danger-color)', margin: 0, fontSize: '0.85rem' }}>{step.error}</p>
+                    </section>
+                  )}
+                  <div style={{ display: 'flex', gap: '1rem', flexWrap: 'wrap', fontSize: '0.75rem', color: 'var(--text-secondary)', borderTop: '1px solid var(--border-color)', paddingTop: '0.4rem' }}>
+                    {step.startedAt && <span>{t('Start')}: {_formatTs(step.startedAt)}</span>}
+                    {step.completedAt && <span>{t('Ende')}: {_formatTs(step.completedAt)}</span>}
+                    {(step.retryCount ?? 0) > 0 && <span>{t('Wiederholungen')}: {step.retryCount}</span>}
+                  </div>
+                </div>
+              </details>
+            );
+          })}
+        </div>
+      )}
+      {unassignedFiles && unassignedFiles.length > 0 && (
+        <>
+          <h4 style={{ margin: '1rem 0 0.5rem' }}>{t('Sonstige Dokumente')}</h4>
+          <_FileLinkList files={unassignedFiles} />
+        </>
+      )}
+    </div>
+  );
+};
+
+// ===========================================================================
+// Main page with Tabs (Workflows → Dashboard → Workspace)
 // ===========================================================================
 
 export const AutomationsDashboardPage: React.FC = () => {
   const { t } = useLanguage();
+  const [searchParams] = useSearchParams();
+
+  const initialTab = searchParams.get('tab') || 'workflows';
+  const initialRunId = searchParams.get('runId') || null;
+
+  const [activeTab, setActiveTab] = useState<string>(initialRunId ? 'workspace' : initialTab);
+  const [selectedRunId, setSelectedRunId] = useState<string | null>(initialRunId);
+  const [workflowFilter, setWorkflowFilter] = useState<string | null>(null);
+
+  const _handleWorkflowClick = useCallback((workflowId: string) => {
+    setWorkflowFilter(workflowId);
+    setActiveTab('dashboard');
+  }, []);
+
+  useEffect(() => {
+    if (workflowFilter) setWorkflowFilter(null);
+  }, [workflowFilter]);
+
+  const _handleRunClick = useCallback((runId: string) => {
+    setSelectedRunId(runId);
+    setActiveTab('workspace');
+  }, []);
+
+  const _handleBackFromWorkspace = useCallback(() => {
+    setSelectedRunId(null);
+    setActiveTab('dashboard');
+  }, []);
 
   const tabs = useMemo(() => [
-    {
-      id: 'dashboard',
-      label: t('Dashboard'),
-      content: <_DashboardTab />,
-    },
     {
       id: 'workflows',
       label: t('Workflows'),
-      content: <_WorkflowsTab />,
+      content: <_WorkflowsTab onWorkflowClick={_handleWorkflowClick} />,
     },
-  ], [t]);
+    {
+      id: 'dashboard',
+      label: t('Dashboard'),
+      content: <_DashboardTab workflowFilter={workflowFilter} onRunClick={_handleRunClick} />,
+    },
+    {
+      id: 'workspace',
+      label: t('Workspace'),
+      content: <_WorkspaceTab runId={selectedRunId} onBack={_handleBackFromWorkspace} />,
+    },
+  ], [t, _handleWorkflowClick, workflowFilter, _handleRunClick, selectedRunId, _handleBackFromWorkspace]);
 
   return (
     <div className={`${styles.adminPage} ${styles.adminPageFill}`}>
       <h1 className={styles.pageTitle} style={{ flexShrink: 0 }}>{t('Automatisierung')}</h1>
-      <Tabs tabs={tabs} defaultTabId="dashboard" />
+      <Tabs tabs={tabs} activeTabId={activeTab} onTabChange={setActiveTab} />
     </div>
   );
 };

src/pages/basedata/ConnectionsPage.module.css

@@ -0,0 +1,90 @@
+/* ConnectionsPage — supplemental styles for sync banner */
+
+.syncBanner {
+  display: flex;
+  align-items: flex-start;
+  gap: 0.75rem;
+  padding: 0.875rem 1rem 0.875rem 1.125rem;
+  margin: 0 0 1rem;
+  background: linear-gradient(135deg, #fffbeb, #fef3c7);
+  border: 1px solid #fcd34d;
+  border-radius: 8px;
+  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
+  animation: slidein 0.25s ease;
+}
+
+@keyframes slidein {
+  from { opacity: 0; transform: translateY(-6px); }
+  to   { opacity: 1; transform: translateY(0); }
+}
+
+.syncSpinner {
+  flex-shrink: 0;
+  margin-top: 3px;
+  color: #d97706;
+  font-size: 1rem;
+  animation: spin 1.4s linear infinite;
+}
+
+@keyframes spin {
+  to { transform: rotate(360deg); }
+}
+
+.syncText {
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  gap: 0.2rem;
+}
+
+.syncTitle {
+  font-weight: 600;
+  font-size: 0.9375rem;
+  color: #92400e;
+}
+
+.syncDetail {
+  font-size: 0.8125rem;
+  color: #78350f;
+  line-height: 1.5;
+}
+
+.syncDismiss {
+  flex-shrink: 0;
+  background: none;
+  border: none;
+  cursor: pointer;
+  color: #b45309;
+  padding: 2px 4px;
+  border-radius: 4px;
+  font-size: 0.875rem;
+  display: flex;
+  align-items: center;
+  transition: background 0.15s;
+}
+
+.syncDismiss:hover {
+  background: rgba(0, 0, 0, 0.06);
+}
+
+/* Dark theme */
+:global(.dark-theme) .syncBanner {
+  background: rgba(251, 191, 36, 0.08);
+  border-color: rgba(251, 191, 36, 0.3);
+}
+
+:global(.dark-theme) .syncTitle {
+  color: #fcd34d;
+}
+
+:global(.dark-theme) .syncDetail {
+  color: #fde68a;
+}
+
+:global(.dark-theme) .syncDismiss {
+  color: #fbbf24;
+}
+
+:global(.dark-theme) .syncSpinner {
+  color: #fbbf24;
+}

src/pages/basedata/ConnectionsPage.tsx

@@ -5,17 +5,22 @@
  * Follows the pattern established in AdminUsersPage/WorkflowsPage.
  */
 
-import React, { useState, useMemo, useEffect } from 'react';
+import React, { useState, useMemo, useEffect, useRef } from 'react';
 import { useConnections, type Connection } from '../../hooks/useConnections';
 import { FormGeneratorTable } from '../../components/FormGenerator/FormGeneratorTable';
 import { FormGeneratorForm } from '../../components/FormGenerator/FormGeneratorForm';
-import { FaSync, FaGoogle, FaMicrosoft, FaLink, FaRedo, FaShieldAlt, FaTasks, FaCloud, FaSyncAlt } from 'react-icons/fa';
+import { FaSync, FaLink, FaRedo, FaShieldAlt, FaPlus, FaSpinner, FaTimes, FaSyncAlt, FaCloud } from 'react-icons/fa';
 import { getApiBaseUrl } from '../../../config/config';
 import styles from '../admin/Admin.module.css';
-
+import bannerStyles from './ConnectionsPage.module.css';
+import { AddConnectionWizard } from '../../components/AddConnectionWizard/AddConnectionWizard';
+import type { ConnectorType } from '../../components/AddConnectionWizard/AddConnectionWizard';
+import type { KnowledgePreferences } from '../../api/connectionApi';
 import { useLanguage } from '../../providers/language/LanguageContext';
 import { resolveColumnTypes } from '../../utils/columnTypeResolver';
 
+const SYNC_BANNER_TTL_MS = 10 * 60 * 1000; // 10 minutes — conservative upper bound for bootstrap
+
 export const ConnectionsPage: React.FC = () => {
     const { t } = useLanguage();
 
@@ -32,15 +37,14 @@ export const ConnectionsPage: React.FC = () => {
     updateOptimistically,
     deleteConnection,
     handleInlineUpdate,
-    createGoogleConnectionAndAuth,
-    createMicrosoftConnectionAndAuth,
-    createClickupConnectionAndAuth,
+    createConnectionAndAuth,
     createInfomaniakConnection,
     submitInfomaniakToken,
     connectWithPopup,
     refreshMicrosoftToken,
     refreshGoogleToken,
     isConnecting,
+    groupTree,
   } = useConnections();
 
   const [editingConnection, setEditingConnection] = useState<Connection | null>(null);
@@ -48,6 +52,23 @@ export const ConnectionsPage: React.FC = () => {
   const [refreshingConnections, setRefreshingConnections] = useState<Set<string>>(new Set());
   const [reconnectingConnections, setReconnectingConnections] = useState<Set<string>>(new Set());
   const [adminConsentPending, setAdminConsentPending] = useState(false);
+  const [wizardOpen, setWizardOpen] = useState(false);
+  // Banner shown while knowledge bootstrap is running in the background
+  const [syncBanner, setSyncBanner] = useState<{
+    connector: string;
+    startedAt: number;
+  } | null>(null);
+  const syncBannerTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+  const showSyncBanner = (connector: string) => {
+    if (syncBannerTimer.current) clearTimeout(syncBannerTimer.current);
+    setSyncBanner({ connector, startedAt: Date.now() });
+    syncBannerTimer.current = setTimeout(() => setSyncBanner(null), SYNC_BANNER_TTL_MS);
+  };
+  const dismissSyncBanner = () => {
+    if (syncBannerTimer.current) clearTimeout(syncBannerTimer.current);
+    setSyncBanner(null);
+  };
 
   // Infomaniak PAT modal: holds the pending connectionId (created up-front so the
   // user only commits if they actually paste a valid token; on cancel we delete it).
@@ -201,35 +222,20 @@ export const ConnectionsPage: React.FC = () => {
     }
   };
 
-  // Guards prevent double-trigger while the OAuth popup is open, which would
-  // otherwise create additional orphan PENDING connections on every click.
-  const handleCreateGoogle = async () => {
-    if (isConnecting) return;
+  const handleWizardConnect = async (
+    type: ConnectorType,
+    knowledgeEnabled: boolean,
+    knowledgePreferences: KnowledgePreferences | null,
+  ) => {
     try {
-      await createGoogleConnectionAndAuth();
+      await createConnectionAndAuth(type, knowledgeEnabled, knowledgePreferences);
       refetch();
+      if (knowledgeEnabled) {
+        const LABELS: Record<ConnectorType, string> = { google: 'Google', msft: 'Microsoft 365', clickup: 'ClickUp' };
+        showSyncBanner(LABELS[type] ?? type);
+      }
     } catch (error) {
-      console.error('Error creating Google connection:', error);
-    }
-  };
-
-  const handleCreateMicrosoft = async () => {
-    if (isConnecting) return;
-    try {
-      await createMicrosoftConnectionAndAuth();
-      refetch();
-    } catch (error) {
-      console.error('Error creating Microsoft connection:', error);
-    }
-  };
-
-  const handleCreateClickup = async () => {
-    if (isConnecting) return;
-    try {
-      await createClickupConnectionAndAuth();
-      refetch();
-    } catch (error) {
-      console.error('Error creating ClickUp connection:', error);
+      console.error('Error creating connection via wizard:', error);
     }
   };
 
@@ -356,28 +362,13 @@ export const ConnectionsPage: React.FC = () => {
           </button>
           {canCreate && (
             <>
-              <button 
-                className={styles.googleButton}
-                onClick={handleCreateGoogle}
-                disabled={isConnecting}
-              >
-                <FaGoogle /> Google
-              </button>
-              <button 
-                className={styles.primaryButton}
-                onClick={handleCreateMicrosoft}
-                disabled={isConnecting}
-              >
-                <FaMicrosoft /> Microsoft
-              </button>
               <button
                 type="button"
-                className={styles.clickupButton}
-                onClick={handleCreateClickup}
+                className={styles.primaryButton}
+                onClick={() => setWizardOpen(true)}
                 disabled={isConnecting}
-                title={t('ClickUp-Konto verbinden (OAuth oder Personal Token nach Anmeldung)')}
               >
-                <FaTasks /> ClickUp
+                <FaPlus /> {t('Verbindung hinzufügen')}
               </button>
               <button
                 type="button"
@@ -393,6 +384,32 @@ export const ConnectionsPage: React.FC = () => {
         </div>
       </div>
 
+      {/* Sync-in-progress banner */}
+      {syncBanner && (
+        <div className={bannerStyles.syncBanner}>
+          <FaSpinner className={bannerStyles.syncSpinner} />
+          <div className={bannerStyles.syncText}>
+            <span className={bannerStyles.syncTitle}>
+              {t('Wissensdatenbank wird synchronisiert')}
+            </span>
+            <span className={bannerStyles.syncDetail}>
+              {t(
+                'Inhalte aus {connector} werden im Hintergrund indexiert. Das kann je nach Datenmenge einige Minuten dauern. Die Wissensdatenbank steht danach vollständig zur Verfügung.',
+                { connector: syncBanner.connector },
+              )}
+            </span>
+          </div>
+          <button
+            type="button"
+            className={bannerStyles.syncDismiss}
+            onClick={dismissSyncBanner}
+            aria-label={t('Hinweis schließen')}
+          >
+            <FaTimes />
+          </button>
+        </div>
+      )}
+
       <div className={styles.tableContainer}>
         <FormGeneratorTable
             data={connections}
@@ -453,7 +470,9 @@ export const ConnectionsPage: React.FC = () => {
               handleDelete: deleteConnection,
               handleInlineUpdate,
               updateOptimistically,
+              groupTree,
             }}
+            groupingConfig={{ contextKey: 'connections', enabled: true }}
             emptyMessage={t('Keine Verbindungen gefunden')}
           />
       </div>
@@ -623,6 +642,13 @@ export const ConnectionsPage: React.FC = () => {
           </div>
         </div>
       )}
+
+      <AddConnectionWizard
+        open={wizardOpen}
+        onClose={() => setWizardOpen(false)}
+        onConnect={handleWizardConnect}
+        isConnecting={isConnecting}
+      />
     </div>
   );
 };

src/pages/basedata/FilesPage.tsx

@@ -1,33 +1,29 @@
 /**
  * FilesPage
  *
- * Split-view file management: FolderTree on the left, FormGeneratorTable on the right.
- * The tree is the master – it dictates which folder's files the table shows (paginated).
- * Tree files are managed by FileContext (lazy-loaded per expanded folder).
+ * Full-width file management using FormGeneratorTable with persistent grouping.
+ * Organisation exclusively via groupTree/groupId — no physical folder navigation.
  */
 
 import React, { useState, useMemo, useEffect, useRef, useCallback } from 'react';
-import api from '../../api';
 import { useUserFiles, useFileOperations } from '../../hooks/useFiles';
-import { useFileContext } from '../../contexts/FileContext';
 import { FormGeneratorTable } from '../../components/FormGenerator/FormGeneratorTable';
 import { FormGeneratorForm } from '../../components/FormGenerator/FormGeneratorForm';
-import FolderTree from '../../components/FolderTree/FolderTree';
-import { useResizablePanels } from '../../hooks/useResizablePanels';
-import { FaSync, FaUpload, FaDownload, FaFolderPlus } from 'react-icons/fa';
+import { FaSync, FaUpload, FaDownload, FaLock, FaLockOpen, FaFileArchive, FaTrash } from 'react-icons/fa';
 import { useToast } from '../../contexts/ToastContext';
-import { usePrompt } from '../../hooks/usePrompt';
+import { useApiRequest } from '../../hooks/useApi';
+import { patchGroupScope, downloadGroupZip, deleteGroup } from '../../api/fileApi';
 import styles from '../admin/Admin.module.css';
 import { useLanguage } from '../../providers/language/LanguageContext';
 import { getUserDataCache } from '../../utils/userCache';
 import { resolveColumnTypes } from '../../utils/columnTypeResolver';
+import type { GroupBulkAction } from '../../components/FormGenerator/GroupingManager/GroupRow';
 
 interface UserFile {
   id: string;
   fileName: string;
   mimeType?: string;
   fileSize?: number;
-  folderId?: string | null;
   featureInstanceId?: string;
   [key: string]: any;
 }
@@ -36,19 +32,9 @@ export const FilesPage: React.FC = () => {
   const { t } = useLanguage();
   const fileInputRef = useRef<HTMLInputElement>(null);
   const { showSuccess, showError } = useToast();
-  const { prompt: promptInput, PromptDialog } = usePrompt();
-  const [selectedFolderId, setSelectedFolderId] = useState<string | null>(null);
+  const { request } = useApiRequest();
 
-  const {
-    leftWidth, isDragging, handleMouseDown, containerRef,
-  } = useResizablePanels({
-    storageKey: 'filesPage-panelWidth',
-    defaultLeftWidth: 22,
-    minLeftWidth: 15,
-    maxLeftWidth: 40,
-  });
-
-  // ── Table data (paginated, filtered by selectedFolderId) ──────────────
+  // ── Table data ────────────────────────────────────────────────────────
   const {
     data: tableFiles,
     attributes,
@@ -57,6 +43,7 @@ export const FilesPage: React.FC = () => {
     error,
     refetch: tableRefetch,
     pagination,
+    groupTree,
     fetchFileById,
     updateFileOptimistically,
   } = useUserFiles();
@@ -74,127 +61,22 @@ export const FilesPage: React.FC = () => {
     previewingFiles,
   } = useFileOperations();
 
-  // ── Tree data (from FileContext – lazy-loaded per expanded folder) ─────
-  const {
-    folders,
-    refreshFolders,
-    treeFileNodes,
-    refreshTreeFiles,
-    updateTreeFileNode,
-    expandedFolderIds,
-    toggleFolderExpanded,
-    handleCreateFolder,
-    handleRenameFolder,
-    handleDeleteFolder,
-    handleMoveFolder,
-    handleMoveFolders,
-    handleMoveFile: contextMoveFile,
-    handleMoveFiles: contextMoveFiles,
-    handleDownloadFolder,
-  } = useFileContext();
-
   const [editingFile, setEditingFile] = useState<UserFile | null>(null);
   const [selectedFiles, setSelectedFiles] = useState<UserFile[]>([]);
-  const [treeSelectedIds, setTreeSelectedIds] = useState<Set<string>>(new Set());
-  const [highlightedFileId, setHighlightedFileId] = useState<string | null>(null);
 
-  // ── Table refetch: filter by real folderId ───────────────────────────
+  // ── Table refetch wrapper ──────────────────────────────────────────────
   const _tableRefetch = useCallback(async (params?: any) => {
-    const nextParams = { ...(params || {}) };
-    const nextFilters = { ...(nextParams.filters || {}) };
-
-    if (!selectedFolderId) {
-      nextFilters.folderId = null;
-    } else {
-      nextFilters.folderId = selectedFolderId;
-    }
-
-    nextParams.filters = nextFilters;
-    await tableRefetch(nextParams);
-  }, [tableRefetch, selectedFolderId]);
-
-  useEffect(() => {
-    _tableRefetch({ page: 1, pageSize: 25 });
-  }, [selectedFolderId, _tableRefetch]);
+    await tableRefetch(params);
+  }, [tableRefetch]);
 
   const _refreshAll = useCallback(async () => {
-    await Promise.all([_tableRefetch(), refreshTreeFiles(), refreshFolders()]);
-  }, [_tableRefetch, refreshTreeFiles, refreshFolders]);
+    await _tableRefetch({ page: 1, pageSize: 25 });
+  }, [_tableRefetch]);
 
-  const _handleScopeChange = useCallback(async (fileId: string, newScope: string) => {
-    updateTreeFileNode(fileId, { scope: newScope });
-    try {
-      await api.patch(`/api/files/${fileId}/scope`, { scope: newScope });
-      _tableRefetch();
-    } catch (err) {
-      console.error('Failed to update scope:', err);
-      await Promise.all([refreshTreeFiles(), _tableRefetch()]);
-    }
-  }, [updateTreeFileNode, refreshTreeFiles, _tableRefetch]);
-
-  const _handleNeutralizeToggle = useCallback(async (fileId: string, newValue: boolean) => {
-    updateTreeFileNode(fileId, { neutralize: newValue });
-    try {
-      await api.patch(`/api/files/${fileId}/neutralize`, { neutralize: newValue });
-      _tableRefetch();
-    } catch (err) {
-      console.error('Failed to toggle neutralize:', err);
-      await Promise.all([refreshTreeFiles(), _tableRefetch()]);
-    }
-  }, [updateTreeFileNode, refreshTreeFiles, _tableRefetch]);
-
-  const _handleFolderScopeChange = useCallback(async (folderId: string, newScope: string) => {
-    try {
-      await api.patch(`/api/files/folders/${folderId}/scope`, { scope: newScope });
-      await Promise.all([refreshFolders(), refreshTreeFiles(), _tableRefetch()]);
-    } catch (err) {
-      console.error('Failed to update folder scope:', err);
-    }
-  }, [refreshFolders, refreshTreeFiles, _tableRefetch]);
-
-  const _handleFolderNeutralizeToggle = useCallback(async (folderId: string, newValue: boolean) => {
-    try {
-      await api.patch(`/api/files/folders/${folderId}/neutralize`, { neutralize: newValue });
-      await Promise.all([refreshFolders(), refreshTreeFiles(), _tableRefetch()]);
-    } catch (err) {
-      console.error('Failed to toggle folder neutralize:', err);
-    }
-  }, [refreshFolders, refreshTreeFiles, _tableRefetch]);
-
-  // ── Folder nodes for tree (real folders only) ────────────────────────
-  const folderNodes = useMemo(() => {
-    return folders.map(f => ({
-      id: f.id,
-      name: f.name,
-      parentId: f.parentId ?? null,
-      fileCount: f.fileCount ?? 0,
-      neutralize: f.neutralize ?? false,
-      scope: f.scope ?? 'personal',
-    }));
-  }, [folders]);
-
-  const selectedFolderName = useMemo(() => {
-    if (!selectedFolderId) return null;
-    return folders.find(f => f.id === selectedFolderId)?.name ?? null;
-  }, [folders, selectedFolderId]);
-
-  const emptyTableMessage = useMemo(() => {
-    if (!selectedFolderId) {
-      return t('Keine Dateien gefunden');
-    }
-    return (
-      <div style={{ display: 'flex', flexDirection: 'column', gap: '0.35rem', alignItems: 'center' }}>
-        <div style={{ fontWeight: 600 }}>
-          {selectedFolderName
-            ? t('Der Ordner „{name}" ist leer.', { name: selectedFolderName })
-            : t('Dieser Ordner ist leer.')}
-        </div>
-        <div style={{ color: 'var(--text-muted, #64748b)' }}>
-          {t('Lade eine neue Datei hoch oder verschiebe bestehende Dateien hierher.')}
-        </div>
-      </div>
-    );
-  }, [selectedFolderId, selectedFolderName, t]);
+  // Initial fetch
+  useEffect(() => {
+    _tableRefetch({ page: 1, pageSize: 25 });
+  }, [_tableRefetch]);
 
   // ── Columns ───────────────────────────────────────────────────────────
   const columns = useMemo(() => {
@@ -225,9 +107,6 @@ export const FilesPage: React.FC = () => {
       maxWidth: 250,
       displayField: 'sysCreatedByLabel',
     } as any);
-    // sysModifiedAt is marked frontend_visible=false in PowerOnModel so it
-    // never reaches us via the /api/attributes endpoint - declare type
-    // explicitly so the FormGenerator renders it as a timestamp.
     cols.push({
       key: 'sysModifiedAt',
       label: t('Geaendert am'),
@@ -249,50 +128,6 @@ export const FilesPage: React.FC = () => {
   const currentUserId = useMemo(() => getUserDataCache()?.id || '', []);
   const _isOwned = useCallback((row: UserFile) => row.sysCreatedBy === currentUserId, [currentUserId]);
 
-  // ── Tree event handlers ───────────────────────────────────────────────
-  const _handleTreeFileSelect = useCallback((fileId: string) => {
-    const file = treeFileNodes.find(f => f.id === fileId);
-    if (file) {
-      setSelectedFolderId(file.folderId ?? null);
-      setHighlightedFileId(fileId);
-      requestAnimationFrame(() => {
-        const row = document.querySelector('tr[data-highlighted="true"]');
-        if (row) row.scrollIntoView({ behavior: 'smooth', block: 'center' });
-      });
-      setTimeout(() => setHighlightedFileId(null), 2500);
-    }
-  }, [treeFileNodes]);
-
-  const _handleMoveFile = useCallback(async (fileId: string, targetFolderId: string | null) => {
-    await contextMoveFile(fileId, targetFolderId);
-    await _tableRefetch();
-  }, [contextMoveFile, _tableRefetch]);
-
-  const _handleMoveFiles = useCallback(async (fileIds: string[], targetFolderId: string | null) => {
-    await contextMoveFiles(fileIds, targetFolderId);
-    await _tableRefetch();
-  }, [contextMoveFiles, _tableRefetch]);
-
-  const _handleRenameFile = useCallback(async (fileId: string, newName: string) => {
-    await handleFileUpdate(fileId, { fileName: newName });
-    await Promise.all([_tableRefetch(), refreshTreeFiles()]);
-  }, [handleFileUpdate, _tableRefetch, refreshTreeFiles]);
-
-  const _handleDeleteTreeFile = useCallback(async (fileId: string) => {
-    await handleFileDelete(fileId);
-    await Promise.all([_tableRefetch(), refreshTreeFiles(), refreshFolders()]);
-  }, [handleFileDelete, _tableRefetch, refreshTreeFiles, refreshFolders]);
-
-  const _handleDeleteTreeFiles = useCallback(async (fileIds: string[]) => {
-    await handleFileDeleteMultiple(fileIds);
-    await Promise.all([_tableRefetch(), refreshTreeFiles(), refreshFolders()]);
-  }, [handleFileDeleteMultiple, _tableRefetch, refreshTreeFiles, refreshFolders]);
-
-  const _handleDeleteTreeFolders = useCallback(async (folderIds: string[]) => {
-    await api.post('/api/files/batch-delete', { folderIds, recursiveFolders: true });
-    await Promise.all([refreshFolders(), refreshTreeFiles(), _tableRefetch()]);
-  }, [refreshFolders, refreshTreeFiles, _tableRefetch]);
-
   // ── Table event handlers ──────────────────────────────────────────────
   const handleEditClick = async (file: UserFile) => {
     const fullFile = await fetchFileById(file.id);
@@ -302,7 +137,7 @@ export const FilesPage: React.FC = () => {
   const handleEditSubmit = async (data: Partial<UserFile>) => {
     if (!editingFile) return;
     const changes: Record<string, any> = {};
-    const editableFields = ['fileName', 'scope', 'tags', 'description', 'folderId', 'neutralize'] as const;
+    const editableFields = ['fileName', 'scope', 'tags', 'description', 'neutralize'] as const;
     for (const field of editableFields) {
       if (data[field] !== undefined && data[field] !== editingFile[field]) {
         changes[field] = data[field];
@@ -314,19 +149,19 @@ export const FilesPage: React.FC = () => {
     const result = await handleFileUpdate(editingFile.id, changes);
     if (result.success) {
       setEditingFile(null);
-      await Promise.all([_tableRefetch(), refreshTreeFiles()]);
+      await _tableRefetch();
     }
   };
 
   const handleDelete = async (file: UserFile) => {
     const success = await handleFileDelete(file.id);
-    if (success) await Promise.all([_tableRefetch(), refreshTreeFiles(), refreshFolders()]);
+    if (success) await _tableRefetch();
   };
 
   const handleDeleteMultiple = async (filesToDelete: UserFile[]) => {
     const ids = filesToDelete.map(f => f.id);
     const success = await handleFileDeleteMultiple(ids);
-    if (success) await Promise.all([_tableRefetch(), refreshTreeFiles(), refreshFolders()]);
+    if (success) await _tableRefetch();
   };
 
   const handleDownload = async (file: UserFile) => {
@@ -341,11 +176,11 @@ export const FilesPage: React.FC = () => {
       let successCount = 0;
       let errorCount = 0;
       for (const file of Array.from(picked)) {
-        const result = await handleFileUpload(file, undefined, undefined, selectedFolderId);
+        const result = await handleFileUpload(file);
         if (result?.success) successCount++; else errorCount++;
       }
       if (fileInputRef.current) fileInputRef.current.value = '';
-      await Promise.all([_tableRefetch(), refreshTreeFiles(), refreshFolders()]);
+      await _tableRefetch();
       if (successCount > 0) {
         showSuccess(
           t('Upload erfolgreich'),
@@ -359,12 +194,54 @@ export const FilesPage: React.FC = () => {
     }
   };
 
-  const _handleNewFolder = useCallback(async () => {
-    const name = await promptInput(t('Neuer Ordnername:'), { title: t('Neuer Ordner'), placeholder: t('Ordnername') });
-    if (name?.trim()) {
-      await handleCreateFolder(name.trim(), selectedFolderId);
-    }
-  }, [handleCreateFolder, selectedFolderId, promptInput, t]);
+  const _groupBulkActionsProvider = useCallback((groupId: string, itemIds: string[]): GroupBulkAction[] => {
+    return [
+      {
+        icon: <FaLock />,
+        title: t('Scope: personal'),
+        onClick: async () => {
+          try {
+            await patchGroupScope(request, groupId, 'personal');
+            showSuccess(t('Scope aktualisiert'), t('{n} Dateien auf personal gesetzt', { n: String(itemIds.length) }));
+            await _tableRefetch();
+          } catch (e) { showError(t('Fehler'), String(e)); }
+        },
+      },
+      {
+        icon: <FaLockOpen />,
+        title: t('Scope: mandate'),
+        onClick: async () => {
+          try {
+            await patchGroupScope(request, groupId, 'mandate');
+            showSuccess(t('Scope aktualisiert'), t('{n} Dateien auf mandate gesetzt', { n: String(itemIds.length) }));
+            await _tableRefetch();
+          } catch (e) { showError(t('Fehler'), String(e)); }
+        },
+      },
+      {
+        icon: <FaFileArchive />,
+        title: t('ZIP herunterladen'),
+        onClick: async () => {
+          try { await downloadGroupZip(groupId); }
+          catch (e) { showError(t('Fehler'), String(e)); }
+        },
+        disabled: itemIds.length === 0,
+      },
+      {
+        icon: <FaTrash />,
+        title: t('Gruppe + Dateien löschen'),
+        variant: 'danger' as const,
+        onClick: async () => {
+          try {
+            await deleteGroup(request, groupId, true);
+            showSuccess(t('Gelöscht'), t('Gruppe und {n} Dateien gelöscht', { n: String(itemIds.length) }));
+            await _tableRefetch();
+          } catch (e) { showError(t('Fehler'), String(e)); }
+        },
+        disabled: itemIds.length === 0,
+      },
+    ];
+  }, [request, showSuccess, showError, _tableRefetch, t]);
 
   const _onRowDragStart = useCallback((e: React.DragEvent<HTMLTableRowElement>, row: UserFile) => {
     const isInSelection = selectedFiles.some(f => f.id === row.id);
@@ -373,11 +250,11 @@ export const FilesPage: React.FC = () => {
     } else {
       e.dataTransfer.setData('application/file-id', row.id);
     }
-    e.dataTransfer.effectAllowed = 'move';
+    e.dataTransfer.effectAllowed = 'copyMove';
   }, [selectedFiles]);
 
   const formAttributes = useMemo(() => {
-    const excludedFields = ['id', 'mandateId', 'fileHash', 'sysCreatedBy', 'sysCreatedAt', 'sysModifiedAt', 'creationDate', 'source'];
+    const excludedFields = ['id', 'mandateId', 'fileHash', 'folderId', 'sysCreatedBy', 'sysCreatedAt', 'sysModifiedAt', 'creationDate', 'source'];
     return (attributes || []).filter(attr => !excludedFields.includes(attr.name));
   }, [attributes]);
 
@@ -411,155 +288,88 @@ export const FilesPage: React.FC = () => {
           <p className={styles.pageSubtitle}>{t('Dateiverwaltung')}</p>
         </div>
         <div className={styles.headerActions}>
-          <button className={styles.secondaryButton} onClick={() => _refreshAll()} disabled={tableLoading}>
+          <button className={styles.secondaryButton} onClick={_refreshAll} disabled={tableLoading}>
             <FaSync className={tableLoading ? 'spinning' : ''} /> {t('Aktualisieren')}
           </button>
         </div>
       </div>
 
-      <div
-        ref={containerRef as React.RefObject<HTMLDivElement>}
-        style={{ display: 'flex', flex: 1, overflow: 'hidden', minHeight: 0, position: 'relative' }}
-      >
-        {/* Left panel: FolderTree */}
+      <div style={{ flex: 1, overflow: 'auto', display: 'flex', flexDirection: 'column', minHeight: 0 }}>
         <div style={{
-          width: `${leftWidth}%`,
-          minWidth: 0,
-          overflow: 'auto',
-          borderRight: '1px solid var(--color-border, #e0e0e0)',
-          padding: '8px 4px',
+          display: 'flex', gap: 8, padding: '8px 12px',
+          borderBottom: '1px solid var(--color-border, #e0e0e0)',
+          flexShrink: 0, alignItems: 'center', flexWrap: 'wrap',
         }}>
-          <FolderTree
-            folders={folderNodes}
-            files={treeFileNodes}
-            showFiles={true}
-            selectedFolderId={selectedFolderId}
-            onSelect={setSelectedFolderId}
-            onFileSelect={_handleTreeFileSelect}
-            selectedItemIds={treeSelectedIds}
-            onSelectionChange={setTreeSelectedIds}
-            expandedIds={expandedFolderIds}
-            onToggleExpand={toggleFolderExpanded}
-            onRefresh={_refreshAll}
-            onCreateFolder={handleCreateFolder}
-            onRenameFolder={handleRenameFolder}
-            onDeleteFolder={async (folderId) => {
-              await handleDeleteFolder(folderId);
-              if (selectedFolderId === folderId) setSelectedFolderId(null);
-              await _tableRefetch();
-            }}
-            onMoveFolder={handleMoveFolder}
-            onMoveFolders={handleMoveFolders}
-            onMoveFile={_handleMoveFile}
-            onMoveFiles={_handleMoveFiles}
-            onRenameFile={_handleRenameFile}
-            onDeleteFile={_handleDeleteTreeFile}
-            onDeleteFiles={_handleDeleteTreeFiles}
-            onDeleteFolders={_handleDeleteTreeFolders}
-            onDownloadFolder={handleDownloadFolder}
-            onScopeChange={_handleScopeChange}
-            onNeutralizeToggle={_handleNeutralizeToggle}
-            onFolderScopeChange={_handleFolderScopeChange}
-            onFolderNeutralizeToggle={_handleFolderNeutralizeToggle}
-          />
+          {canCreate && (
+            <button className={styles.primaryButton} onClick={handleUploadClick} disabled={uploadingFile}>
+              <FaUpload /> {uploadingFile ? t('Wird hochgeladen…') : t('Datei hochladen')}
+            </button>
+          )}
         </div>
 
-        {/* Resizable divider */}
-        <div
-          onMouseDown={handleMouseDown}
-          style={{
-            width: 6,
-            cursor: 'col-resize',
-            background: isDragging ? 'var(--primary-dark-bg, rgba(242, 88, 67, 0.2))' : 'transparent',
-            transition: isDragging ? 'none' : 'background 0.15s',
-            flexShrink: 0,
-            zIndex: 10,
-          }}
-          onMouseEnter={(e) => { (e.target as HTMLElement).style.background = 'var(--color-border-hover, #bbb)'; }}
-          onMouseLeave={(e) => { if (!isDragging) (e.target as HTMLElement).style.background = 'transparent'; }}
-        />
-
-        {/* Right panel: File table */}
-        <div style={{ flex: 1, minWidth: 0, overflow: 'auto', display: 'flex', flexDirection: 'column' }}>
-          <div style={{
-            display: 'flex', gap: 8, padding: '8px 12px',
-            borderBottom: '1px solid var(--color-border, #e0e0e0)',
-            flexShrink: 0, alignItems: 'center', flexWrap: 'wrap',
-          }}>
-            <button className={styles.secondaryButton} onClick={_handleNewFolder}>
-              <FaFolderPlus /> {t('Neuer Ordner')}
-            </button>
-            {canCreate && (
-              <button className={styles.primaryButton} onClick={handleUploadClick} disabled={uploadingFile}>
-                <FaUpload /> {uploadingFile ? t('Wird hochgeladen…') : t('Datei hochladen')}
-              </button>
-            )}
-          </div>
-
-          <div style={{ flex: 1, overflow: 'auto' }}>
-            <FormGeneratorTable
-              data={tableFiles || []}
-              columns={columns}
-              apiEndpoint="/api/files/list"
-              loading={tableLoading}
-              pagination={true}
-              pageSize={25}
-              searchable={true}
-              filterable={true}
-              sortable={true}
-              selectable={true}
-              onRowSelect={(rows) => setSelectedFiles(rows as UserFile[])}
-              rowDraggable={true}
-              onRowDragStart={_onRowDragStart}
-              getRowDataAttributes={(row: UserFile) =>
-                ({ highlighted: row.id === highlightedFileId ? 'true' : 'false' })
-              }
-              actionButtons={[
-                {
-                  type: 'view' as const,
-                  onAction: () => { /* ContentPreview fetches the file itself once the popup opens */ },
-                  title: t('Vorschau'),
-                  idField: 'id',
-                  nameField: 'fileName',
-                  typeField: 'mimeType',
-                  loadingStateName: 'previewingFiles',
-                },
-                ...(canUpdate ? [{
-                  type: 'edit' as const,
-                  onAction: handleEditClick,
-                  title: t('Bearbeiten'),
-                  disabled: (row: UserFile) => !_isOwned(row) ? { disabled: true, message: t('Nur Eigentümer kann bearbeiten') } : false,
-                }] : []),
-                ...(canDelete ? [{
-                  type: 'delete' as const,
-                  title: t('Löschen'),
-                  loading: (row: UserFile) => deletingFiles.has(row.id),
-                  disabled: (row: UserFile) => !_isOwned(row) ? { disabled: true, message: t('Nur Eigentümer kann löschen') } : false,
-                }] : []),
-              ]}
-              customActions={[
-                {
-                  id: 'download',
-                  icon: <FaDownload />,
-                  onClick: handleDownload,
-                  title: t('Herunterladen'),
-                  loading: (row: UserFile) => downloadingFiles.has(row.id),
-                },
-              ]}
-              onDelete={handleDelete}
-              onDeleteMultiple={handleDeleteMultiple}
-              hookData={{
-                refetch: _tableRefetch,
-                pagination,
-                permissions,
-                handleDelete: handleFileDelete,
-                handleInlineUpdate,
-                updateOptimistically: updateFileOptimistically,
-                previewingFiles,
-              }}
-              emptyMessage={emptyTableMessage}
-            />
-          </div>
+        <div style={{ flex: 1, overflow: 'auto' }}>
+          <FormGeneratorTable
+            data={tableFiles || []}
+            columns={columns}
+            apiEndpoint="/api/files/list"
+            loading={tableLoading}
+            pagination={true}
+            pageSize={25}
+            searchable={true}
+            filterable={true}
+            sortable={true}
+            selectable={true}
+            onRowSelect={(rows) => setSelectedFiles(rows as UserFile[])}
+            rowDraggable={true}
+            onRowDragStart={_onRowDragStart}
+            actionButtons={[
+              {
+                type: 'view' as const,
+                onAction: () => {},
+                title: t('Vorschau'),
+                idField: 'id',
+                nameField: 'fileName',
+                typeField: 'mimeType',
+                loadingStateName: 'previewingFiles',
+              },
+              ...(canUpdate ? [{
+                type: 'edit' as const,
+                onAction: handleEditClick,
+                title: t('Bearbeiten'),
+                disabled: (row: UserFile) => !_isOwned(row) ? { disabled: true, message: t('Nur Eigentümer kann bearbeiten') } : false,
+              }] : []),
+              ...(canDelete ? [{
+                type: 'delete' as const,
+                title: t('Löschen'),
+                loading: (row: UserFile) => deletingFiles.has(row.id),
+                disabled: (row: UserFile) => !_isOwned(row) ? { disabled: true, message: t('Nur Eigentümer kann löschen') } : false,
+              }] : []),
+            ]}
+            customActions={[
+              {
+                id: 'download',
+                icon: <FaDownload />,
+                onClick: handleDownload,
+                title: t('Herunterladen'),
+                loading: (row: UserFile) => downloadingFiles.has(row.id),
+              },
+            ]}
+            onDelete={handleDelete}
+            onDeleteMultiple={handleDeleteMultiple}
+            hookData={{
+              refetch: _tableRefetch,
+              pagination,
+              permissions,
+              handleDelete: handleFileDelete,
+              handleInlineUpdate,
+              updateOptimistically: updateFileOptimistically,
+              previewingFiles,
+              groupTree,
+            }}
+            groupingConfig={{ contextKey: 'files/list', enabled: true }}
+            groupBulkActionsProvider={_groupBulkActionsProvider}
+            emptyMessage={t('Keine Dateien gefunden')}
+          />
         </div>
       </div>
 
@@ -591,7 +401,6 @@ export const FilesPage: React.FC = () => {
           </div>
         </div>
       )}
-      <PromptDialog />
     </div>
   );
 };

src/pages/basedata/PromptsPage.tsx

@@ -34,6 +34,7 @@ export const PromptsPage: React.FC = () => {
     loading,
     error,
     refetch,
+    groupTree,
     fetchPromptById,
     updateOptimistically,
   } = usePrompts();
@@ -236,7 +237,9 @@ export const PromptsPage: React.FC = () => {
             handleDelete: handlePromptDelete,
             handleInlineUpdate,
             updateOptimistically,
+            groupTree,
           }}
+          groupingConfig={{ contextKey: 'prompts', enabled: true }}
           emptyMessage={t('Keine Prompts gefunden')}
         />
       </div>

src/pages/views/graphicalEditor/GraphicalEditorWorkflowsTasksPage.tsx

@@ -24,7 +24,7 @@ import {
 } from '../../../api/workflowApi';
 import { useToast } from '../../../contexts/ToastContext';
 import { Popup } from '../../../components/UiComponents/Popup';
-import { getAcceptStringFromConfig } from '../../../components/FlowEditor';
+import { getAcceptStringFromConfig, fileMatchesAccept } from '../../../components/FlowEditor';
 import { useFileOperations } from '../../../hooks/useFiles';
 import styles from './Automation2WorkflowsTasks.module.css';
 
@@ -501,25 +501,6 @@ function InputFormClickupTaskField({
   );
 }
 
-function fileMatchesAccept(file: File, accept: string): boolean {
-  if (!accept || !accept.trim()) return true;
-  const parts = accept.split(',').map((s) => s.trim()).filter(Boolean);
-  const ext = '.' + (file.name.split('.').pop() ?? '').toLowerCase();
-  const mime = (file.type ?? '').toLowerCase();
-  for (const p of parts) {
-    const pp = p.toLowerCase();
-    if (pp.startsWith('.')) {
-      if (ext === pp) return true;
-      const exts = pp.split(',').map((x) => (x.trim().startsWith('.') ? x.trim() : '.' + x.trim()));
-      if (exts.some((e) => e === ext)) return true;
-    } else if (pp.endsWith('/*')) {
-      const prefix = pp.slice(0, -2);
-      if (mime.startsWith(prefix)) return true;
-    } else if (mime === pp || mime.startsWith(pp + '/')) return true;
-  }
-  return false;
-}
-
 const TaskCard: React.FC<TaskCardProps> = ({
   task,
   instanceId,
@@ -787,8 +768,10 @@ const TaskCard: React.FC<TaskCardProps> = ({
               e.target.value = '';
               return;
             }
-            if (acceptStr && !fileMatchesAccept(file, acceptStr)) {
-              setUploadError(`Dateityp von "${file.name}" nicht erlaubt.`);
+            if (acceptStr && acceptStr !== '*' && !fileMatchesAccept(file, acceptStr)) {
+              setUploadError(
+                `Die Datei „${file.name}“ hat ein nicht erlaubtes Format. Bitte eine Datei mit passender Endung verwenden (laut Upload-Schritt im Workflow).`,
+              );
               setUploading(false);
               e.target.value = '';
               return;
@@ -848,7 +831,7 @@ const TaskCard: React.FC<TaskCardProps> = ({
             <input
               ref={fileInputRef}
               type="file"
-              accept={acceptStr || undefined}
+              accept={acceptStr === '*' ? undefined : acceptStr || undefined}
               multiple={allowMultiple}
               onChange={handleFileSelect}
               style={{ display: 'none' }}

src/pages/views/neutralization/NeutralizationView.tsx

@@ -9,7 +9,7 @@
 import React, { useState, useEffect, useCallback } from 'react';
 import { useCurrentInstance } from '../../../hooks/useCurrentInstance';
 import { useToast } from '../../../contexts/ToastContext';
-import { useFileContext } from '../../../contexts/FileContext';
+import { useFileOperations, useUserFiles } from '../../../hooks/useFiles';
 import { useConnections, type Connection } from '../../../hooks/useConnections';
 import {
   getNeutralizationConfig,
@@ -178,7 +178,8 @@ const ConfigTab: React.FC = () => {
 const PlaygroundTab: React.FC = () => {
   const { t } = useLanguage();
   const { showSuccess, showError } = useToast();
-  const { refreshTreeFiles: refetchFiles, handleFileDownload } = useFileContext();
+  const { handleFileDownload } = useFileOperations();
+  const { refetch: refetchFiles } = useUserFiles();
   const { connections } = useConnections();
 
   const msftConnections = connections.filter(

src/pages/views/teamsbot/TeamsbotSessionView.tsx

@@ -418,6 +418,8 @@ export const TeamsbotSessionView: React.FC = () => {
       e.dataTransfer.types.includes('Files') ||
       e.dataTransfer.types.includes('application/file-id') ||
       e.dataTransfer.types.includes('application/file-ids') ||
+      e.dataTransfer.types.includes('application/group-file-ids') ||
+      e.dataTransfer.types.includes('application/group-id') ||
       e.dataTransfer.types.includes('application/tree-items')
     ) {
       e.preventDefault();
@@ -432,6 +434,8 @@ export const TeamsbotSessionView: React.FC = () => {
       e.dataTransfer.types.includes('Files') ||
       e.dataTransfer.types.includes('application/file-id') ||
       e.dataTransfer.types.includes('application/file-ids') ||
+      e.dataTransfer.types.includes('application/group-file-ids') ||
+      e.dataTransfer.types.includes('application/group-id') ||
       e.dataTransfer.types.includes('application/tree-items')
     ) {
       e.preventDefault();
@@ -453,6 +457,17 @@ export const TeamsbotSessionView: React.FC = () => {
     directorDragCounterRef.current = 0;
     setDirectorDragOver(false);
 
+    const groupFileIdsJson = e.dataTransfer.getData('application/group-file-ids');
+    if (groupFileIdsJson) {
+      try {
+        const ids: unknown = JSON.parse(groupFileIdsJson);
+        if (Array.isArray(ids) && ids.length > 0) {
+          ids.forEach((id) => typeof id === 'string' && id && _addDirectorFile(id));
+          return;
+        }
+      } catch { /* ignore malformed */ }
+    }
+
     const fileIdsJson = e.dataTransfer.getData('application/file-ids');
     if (fileIdsJson) {
       try {
@@ -469,10 +484,16 @@ export const TeamsbotSessionView: React.FC = () => {
       return;
     }
 
+    const groupId = e.dataTransfer.getData('application/group-id');
+    if (groupId) {
+      _addDirectorFile(groupId);
+      return;
+    }
+
     const treeItemsJson = e.dataTransfer.getData('application/tree-items');
     if (treeItemsJson) {
       try {
-        const items: Array<{ id: string; type: 'file' | 'folder'; name: string }> = JSON.parse(treeItemsJson);
+        const items: Array<{ id: string; type: 'file' | 'group'; name: string }> = JSON.parse(treeItemsJson);
         items.filter((it) => it.type === 'file').forEach((it) => _addDirectorFile(it.id, it.name));
       } catch { /* ignore malformed */ }
       return;

src/pages/views/trustee/TrusteeAbschlussView.tsx

@@ -8,7 +8,7 @@
  */
 
 import React, { useState, useEffect, useCallback, useRef } from 'react';
-import { useSearchParams } from 'react-router-dom';
+import { useSearchParams, useNavigate } from 'react-router-dom';
 import { useCurrentInstance } from '../../../hooks/useCurrentInstance';
 import { useToast } from '../../../contexts/ToastContext';
 import api from '../../../api';
@@ -76,6 +76,7 @@ type RunState = 'idle' | 'starting' | 'running' | 'completed' | 'error';
 
 export const TrusteeAbschlussView: React.FC = () => {
   const { t } = useLanguage();
+  const navigate = useNavigate();
   const { instanceId } = useCurrentInstance();
   const { showSuccess, showError } = useToast();
   const [searchParams, setSearchParams] = useSearchParams();
@@ -325,6 +326,25 @@ export const TrusteeAbschlussView: React.FC = () => {
               {runState === 'error' && t('Fehler')}
               {runSummary && <div style={{ marginTop: '0.25rem' }}>{runSummary}</div>}
               {runError && <div style={{ marginTop: '0.25rem' }}>{runError}</div>}
+              {runState === 'completed' && runId && (
+                <div style={{ marginTop: '0.5rem' }}>
+                  <a
+                    href={`/automations?tab=workspace&runId=${runId}`}
+                    onClick={(e) => {
+                      e.preventDefault();
+                      navigate(`/automations?tab=workspace&runId=${runId}`);
+                    }}
+                    style={{
+                      display: 'inline-flex', alignItems: 'center', gap: '0.375rem',
+                      padding: '0.375rem 0.75rem', borderRadius: '6px',
+                      background: 'var(--primary-color, #007bff)', color: '#fff',
+                      fontSize: '0.8125rem', textDecoration: 'none', fontWeight: 500,
+                    }}
+                  >
+                    {t('Im Workspace ansehen')}
+                  </a>
+                </div>
+              )}
             </div>
           )}
         </div>

src/pages/views/trustee/TrusteeAnalyseView.tsx

@@ -8,7 +8,7 @@
  */
 
 import React, { useState, useEffect, useCallback, useRef, useMemo } from 'react';
-import { useSearchParams } from 'react-router-dom';
+import { useSearchParams, useNavigate } from 'react-router-dom';
 import { useCurrentInstance } from '../../../hooks/useCurrentInstance';
 import { useToast } from '../../../contexts/ToastContext';
 import api from '../../../api';
@@ -102,6 +102,7 @@ type RunState = 'idle' | 'starting' | 'running' | 'completed' | 'error';
 
 export const TrusteeAnalyseView: React.FC = () => {
   const { t } = useLanguage();
+  const navigate = useNavigate();
   const { instanceId } = useCurrentInstance();
   const { showSuccess, showError } = useToast();
   const [searchParams, setSearchParams] = useSearchParams();
@@ -121,9 +122,6 @@ export const TrusteeAnalyseView: React.FC = () => {
   const pollTimerRef = useRef<number | null>(null);
   const isPollingRef = useRef(false);
 
-  const [resultText, setResultText] = useState<string | null>(null);
-  const [resultDocuments, setResultDocuments] = useState<Array<{ id?: string; fileName?: string; mimeType?: string }>>([]);
-
   const [budgetFileId, setBudgetFileId] = useState<string | null>(null);
   const [budgetFileName, setBudgetFileName] = useState<string | null>(null);
   const [uploading, setUploading] = useState(false);
@@ -202,12 +200,6 @@ export const TrusteeAnalyseView: React.FC = () => {
       if (running.length === 0 && completed.length === steps.length && steps.length > 0) {
         setRunState('completed');
         _stopPolling();
-        const lastStep = [...steps].reverse().find((s) => s.status === 'completed' && s.output);
-        if (lastStep?.output) {
-          setResultText(lastStep.output.response || lastStep.output.context || null);
-          const docs = lastStep.output.documents || lastStep.output.documentList || [];
-          setResultDocuments(Array.isArray(docs) ? docs : []);
-        }
         showSuccess(t('Abgeschlossen'), t('Analyse-Workflow erfolgreich beendet.'));
         return;
       }
@@ -234,25 +226,6 @@ export const TrusteeAnalyseView: React.FC = () => {
 
   useEffect(() => () => { _stopPolling(); }, [_stopPolling]);
 
-  const _extractResults = useCallback((nodeOutputs: Record<string, any>) => {
-    const analyseOut = nodeOutputs?.analyse || nodeOutputs?.result;
-    if (!analyseOut) {
-      for (const key of Object.keys(nodeOutputs || {})) {
-        const v = nodeOutputs[key];
-        if (v && typeof v === 'object' && (v.response || v.documents)) {
-          setResultText(v.response || v.context || null);
-          const docs = v.documents || v.documentList || [];
-          setResultDocuments(Array.isArray(docs) ? docs : []);
-          return;
-        }
-      }
-      return;
-    }
-    setResultText(analyseOut.response || analyseOut.context || null);
-    const docs = analyseOut.documents || analyseOut.documentList || [];
-    setResultDocuments(Array.isArray(docs) ? docs : []);
-  }, []);
-
   // Reset run state when tab changes
   useEffect(() => {
     _stopPolling();
@@ -260,8 +233,6 @@ export const TrusteeAnalyseView: React.FC = () => {
     setRunId(null);
     setRunSummary('');
     setRunError(null);
-    setResultText(null);
-    setResultDocuments([]);
   }, [activeTab, _stopPolling]);
 
   const _handleBudgetUpload = useCallback(async (e: React.ChangeEvent<HTMLInputElement>) => {
@@ -304,8 +275,6 @@ export const TrusteeAnalyseView: React.FC = () => {
     setRunState('starting');
     setRunError(null);
     setRunSummary(t('Workflow wird gestartet…'));
-    setResultText(null);
-    setResultDocuments([]);
     try {
       const executeBody: Record<string, any> = { workflowId: wf.id };
       const payload: Record<string, any> = {
@@ -325,9 +294,6 @@ export const TrusteeAnalyseView: React.FC = () => {
       } else if (res?.data?.success) {
         setRunState('completed');
         setRunSummary(t('Workflow synchron abgeschlossen.'));
-        if (res.data.nodeOutputs) {
-          _extractResults(res.data.nodeOutputs);
-        }
         showSuccess(t('Abgeschlossen'), t('Analyse-Workflow erfolgreich beendet.'));
       } else {
         throw new Error(res?.data?.error || t('Unerwartete Antwort'));
@@ -407,6 +373,9 @@ export const TrusteeAnalyseView: React.FC = () => {
                   <div style={{ fontWeight: 600, marginBottom: '0.5rem', fontSize: '0.875rem' }}>
                     {t('Budget-Excel hochladen')}
                   </div>
+                  <div style={{ fontSize: '0.75rem', color: 'var(--text-secondary, #666)', marginBottom: '0.5rem' }}>
+                    {t('Ergebnis: Excel-Bericht mit Konten-Tabelle, Uebersichts-Chart und Management-Summary.')}
+                  </div>
                   {budgetFileName ? (
                     <div style={{ display: 'flex', alignItems: 'center', gap: '0.5rem' }}>
                       <span style={{ fontSize: '0.875rem' }}>📄 {budgetFileName}</span>
@@ -481,58 +450,34 @@ export const TrusteeAnalyseView: React.FC = () => {
             </div>
           )}
 
-          {/* Results */}
-          {runState === 'completed' && (resultText || resultDocuments.length > 0) && (
+          {/* Workspace link (replaces inline results) */}
+          {runState === 'completed' && runId && (
             <div style={{
               marginTop: '0.5rem',
+              padding: '0.75rem 1rem',
               border: '1px solid var(--border-color, #e0e0e0)',
               borderRadius: '8px',
-              overflow: 'hidden',
+              background: 'rgba(40,167,69,0.08)',
+              display: 'flex', alignItems: 'center', gap: '0.75rem',
             }}>
-              {resultDocuments.length > 0 && (
-                <div style={{
-                  padding: '0.75rem 1rem',
-                  background: 'var(--bg-secondary, #f9f9f9)',
-                  borderBottom: resultText ? '1px solid var(--border-color, #e0e0e0)' : 'none',
-                  display: 'flex', flexWrap: 'wrap', gap: '0.5rem', alignItems: 'center',
-                }}>
-                  <strong style={{ fontSize: '0.8125rem' }}>{t('Generierte Dokumente:')}</strong>
-                  {resultDocuments.map((doc, idx) => {
-                    const docId = doc.id || (typeof doc === 'string' ? doc : null);
-                    const docName = doc.fileName || `Dokument ${idx + 1}`;
-                    if (!docId) return null;
-                    return (
-                      <a
-                        key={docId}
-                        href={`${api.defaults.baseURL || ''}/api/files/${docId}/download`}
-                        target="_blank"
-                        rel="noopener noreferrer"
-                        style={{
-                          display: 'inline-flex', alignItems: 'center', gap: '0.375rem',
-                          padding: '0.375rem 0.75rem', borderRadius: '6px',
-                          background: 'var(--primary-color, #007bff)', color: '#fff',
-                          fontSize: '0.8125rem', textDecoration: 'none', fontWeight: 500,
-                        }}
-                      >
-                        📄 {docName}
-                      </a>
-                    );
-                  })}
-                </div>
-              )}
-              {resultText && (
-                <div style={{
-                  padding: '1rem',
-                  fontSize: '0.875rem',
-                  lineHeight: 1.6,
-                  whiteSpace: 'pre-wrap',
-                  maxHeight: '400px',
-                  overflowY: 'auto',
-                  background: 'var(--bg-primary, #fff)',
-                }}>
-                  {resultText}
-                </div>
-              )}
+              <span style={{ fontSize: '0.875rem', color: 'var(--success-color, #28a745)' }}>
+                {t('Workflow abgeschlossen.')}
+              </span>
+              <a
+                href={`/automations?tab=workspace&runId=${runId}`}
+                onClick={(e) => {
+                  e.preventDefault();
+                  navigate(`/automations?tab=workspace&runId=${runId}`);
+                }}
+                style={{
+                  display: 'inline-flex', alignItems: 'center', gap: '0.375rem',
+                  padding: '0.375rem 0.75rem', borderRadius: '6px',
+                  background: 'var(--primary-color, #007bff)', color: '#fff',
+                  fontSize: '0.8125rem', textDecoration: 'none', fontWeight: 500,
+                }}
+              >
+                {t('Im Workspace ansehen')}
+              </a>
             </div>
           )}
         </div>

src/pages/views/workspace/ToolActivityLog.tsx

@@ -104,9 +104,11 @@ export const ToolActivityLog: React.FC<ToolActivityLogProps> = ({ activities })
       case 'connectNodes': return t('Knoten verbinden');
       case 'copyFile': return t('Datei kopieren');
       case 'createChart': return t('Diagramm erstellen');
+      case 'createGroup': return t('Gruppe anlegen');
       case 'createFolder': return t('Ordner anlegen');
       case 'createRecord': return t('Datensatz erstellen');
       case 'deleteFile': return t('Datei löschen');
+      case 'deleteGroup': return t('Gruppe löschen');
       case 'deleteFolder': return t('Ordner löschen');
       case 'deleteRecord': return t('Datensatz löschen');
       case 'describeImage': return t('Bild beschreiben');
@@ -123,10 +125,18 @@ export const ToolActivityLog: React.FC<ToolActivityLogProps> = ({ activities })
       case 'listAvailableNodeTypes': return t('Verfügbare Knotentypen auflisten');
       case 'listConnections': return t('Verbindungen auflisten');
       case 'listFiles': return t('Dateien auflisten');
+      case 'listGroups': return t('Gruppen auflisten');
+      case 'listItemsInGroup': return t('Gruppeninhalt auflisten');
+      case 'addItemsToGroup': return t('Zu Gruppe hinzufügen');
+      case 'moveItemsBetweenGroups': return t('Zwischen Gruppen verschieben');
+      case 'ensureInstanceGroup': return t('Instanzgruppe sicherstellen');
+      case 'ensureTempGroup': return t('Temp-Gruppe sicherstellen');
       case 'listFolders': return t('Ordner auflisten');
       case 'listTables': return t('Tabellen auflisten');
       case 'listWorkflowHistory': return t('Workflow-Verlauf');
       case 'moveFile': return t('Datei verschieben');
+      case 'moveGroup': return t('Gruppe verschieben');
+      case 'renameGroup': return t('Gruppe umbenennen');
       case 'moveFolder': return t('Ordner verschieben');
       case 'neutralizeData': return t('Daten neutralisieren');
       case 'outlook_composeAndDraftReply': return t('Outlook-Antwort entwerfen');

src/pages/views/workspace/WorkspaceGeneralSettings.tsx

@@ -20,6 +20,17 @@ interface MaxAgentRoundsInfo {
   instanceDefault: number;
 }
 
+interface AiUserSettings {
+  requireNeutralization: boolean;
+  allowedProviders: string[];
+  allowedModels: string[];
+}
+
+interface AiModelEntry {
+  displayName: string;
+  connectorType?: string;
+}
+
 export const WorkspaceGeneralSettings: React.FC<GeneralSettingsProps> = ({ instanceId }) => {
   const { t } = useLanguage();
   const { request } = useApiRequest();
@@ -36,6 +47,16 @@ export const WorkspaceGeneralSettings: React.FC<GeneralSettingsProps> = ({ insta
   });
   const [inputValue, setInputValue] = useState<string>('');
 
+  // AI user settings
+  const [aiSettings, setAiSettings] = useState<AiUserSettings>({
+    requireNeutralization: false,
+    allowedProviders: [],
+    allowedModels: [],
+  });
+  const [aiSaving, setAiSaving] = useState(false);
+  const [availableModels, setAvailableModels] = useState<AiModelEntry[]>([]);
+  const [modelsOpen, setModelsOpen] = useState(false);
+
   const _loadSettings = useCallback(async () => {
     if (!instanceId) return;
     setLoading(true);
@@ -56,9 +77,37 @@ export const WorkspaceGeneralSettings: React.FC<GeneralSettingsProps> = ({ insta
     }
   }, [instanceId, request]);
 
+  const _loadAiSettings = useCallback(async () => {
+    if (!instanceId) return;
+    try {
+      const data = await request({
+        url: `/api/workspace/${instanceId}/user-settings`,
+        method: 'get',
+      }) as AiUserSettings;
+      setAiSettings({
+        requireNeutralization: data?.requireNeutralization ?? false,
+        allowedProviders: data?.allowedProviders ?? [],
+        allowedModels: data?.allowedModels ?? [],
+      });
+    } catch (err: any) {
+      console.error('[WorkspaceGeneralSettings] AI settings load failed', err);
+    }
+  }, [instanceId, request]);
+
+  const _loadAvailableModels = useCallback(async () => {
+    try {
+      const data = await request({ url: '/api/system/ai-models', method: 'get' }) as { models?: AiModelEntry[] };
+      setAvailableModels(data?.models ?? []);
+    } catch {
+      setAvailableModels([]);
+    }
+  }, [request]);
+
   useEffect(() => {
     _loadSettings();
-  }, [_loadSettings]);
+    _loadAiSettings();
+    _loadAvailableModels();
+  }, [_loadSettings, _loadAiSettings, _loadAvailableModels]);
 
   const _handleSave = async () => {
     setSaving(true);
@@ -94,11 +143,49 @@ export const WorkspaceGeneralSettings: React.FC<GeneralSettingsProps> = ({ insta
     setInputValue('');
   };
 
+  const _saveAiSettings = async (patch: Partial<AiUserSettings>) => {
+    setAiSaving(true);
+    setError(null);
+    try {
+      const data = await request({
+        url: `/api/workspace/${instanceId}/user-settings`,
+        method: 'put',
+        data: patch,
+      }) as AiUserSettings;
+      setAiSettings({
+        requireNeutralization: data?.requireNeutralization ?? false,
+        allowedProviders: data?.allowedProviders ?? [],
+        allowedModels: data?.allowedModels ?? [],
+      });
+      setSuccess(t('KI-Einstellungen gespeichert'));
+      setTimeout(() => setSuccess(null), 3000);
+    } catch (err: any) {
+      setError(err?.message || 'Fehler beim Speichern der KI-Einstellungen');
+    } finally {
+      setAiSaving(false);
+    }
+  };
+
+  const _toggleModel = (name: string) => {
+    const next = aiSettings.allowedModels.includes(name)
+      ? aiSettings.allowedModels.filter((m) => m !== name)
+      : [...aiSettings.allowedModels, name];
+    setAiSettings((prev) => ({ ...prev, allowedModels: next }));
+    _saveAiSettings({ allowedModels: next });
+  };
+
+  const _removeModelTag = (name: string) => {
+    const next = aiSettings.allowedModels.filter((m) => m !== name);
+    setAiSettings((prev) => ({ ...prev, allowedModels: next }));
+    _saveAiSettings({ allowedModels: next });
+  };
+
   if (loading) {
     return <div className={styles.loading}>{t('Lade Einstellungen')}</div>;
   }
 
   const hasOverride = inputValue.trim() !== '';
+  const providerNames = [...new Set(availableModels.map((m) => m.connectorType).filter(Boolean))] as string[];
 
   return (
     <div className={styles.settings}>
@@ -151,6 +238,133 @@ export const WorkspaceGeneralSettings: React.FC<GeneralSettingsProps> = ({ insta
       >
         {saving ? t('Speichern') : t('Einstellungen speichern')}
       </button>
+
+      {/* AI settings section */}
+      <div className={styles.section} style={{ marginTop: '1.5rem' }}>
+        <h3 className={styles.sectionTitle}>{t('KI-Einstellungen')}</h3>
+
+        <div className={styles.field}>
+          <label style={{ display: 'flex', alignItems: 'center', gap: '0.5rem', cursor: 'pointer' }}>
+            <input
+              type="checkbox"
+              checked={aiSettings.requireNeutralization}
+              onChange={(e) => {
+                const val = e.target.checked;
+                setAiSettings((prev) => ({ ...prev, requireNeutralization: val }));
+                _saveAiSettings({ requireNeutralization: val });
+              }}
+              disabled={aiSaving}
+            />
+            <span className={styles.label} style={{ marginBottom: 0 }}>
+              {t('Neutralisierung erzwingen')}
+            </span>
+          </label>
+          <span style={{ fontSize: '0.8rem', color: 'var(--text-secondary, #888)', marginTop: 4, display: 'block' }}>
+            {t('Erzwingt die Neutralisierung von Eingaben vor der KI-Verarbeitung.')}
+          </span>
+        </div>
+
+        {providerNames.length > 0 && (
+          <div className={styles.field}>
+            <label className={styles.label}>{t('Erlaubte Anbieter')}</label>
+            <div style={{ display: 'flex', flexWrap: 'wrap', gap: 6 }}>
+              {providerNames.map((prov) => (
+                <label key={prov} style={{ display: 'flex', alignItems: 'center', gap: 4, fontSize: '0.85rem', cursor: 'pointer' }}>
+                  <input
+                    type="checkbox"
+                    checked={aiSettings.allowedProviders.includes(prov)}
+                    onChange={() => {
+                      const next = aiSettings.allowedProviders.includes(prov)
+                        ? aiSettings.allowedProviders.filter((p) => p !== prov)
+                        : [...aiSettings.allowedProviders, prov];
+                      setAiSettings((prev) => ({ ...prev, allowedProviders: next }));
+                      _saveAiSettings({ allowedProviders: next });
+                    }}
+                    disabled={aiSaving}
+                  />
+                  {prov}
+                </label>
+              ))}
+            </div>
+            {aiSettings.allowedProviders.length === 0 && (
+              <span style={{ fontSize: '0.8rem', color: 'var(--text-secondary, #888)', marginTop: 4, display: 'block' }}>
+                {t('Alle Anbieter erlaubt')}
+              </span>
+            )}
+          </div>
+        )}
+
+        <div className={styles.field}>
+          <label className={styles.label}>{t('Erlaubte Modelle')}</label>
+          <div
+            onClick={() => setModelsOpen((o) => !o)}
+            style={{
+              width: '100%',
+              minHeight: 36,
+              padding: '6px 10px',
+              borderRadius: 6,
+              border: '1px solid var(--border-color, #d0d0d0)',
+              cursor: 'pointer',
+              display: 'flex',
+              flexWrap: 'wrap',
+              gap: 4,
+              alignItems: 'center',
+              background: 'var(--bg-primary, #fff)',
+            }}
+          >
+            {aiSettings.allowedModels.length === 0 && (
+              <span style={{ color: 'var(--text-secondary, #999)', fontSize: '0.85rem' }}>{t('Alle erlaubten Modelle')}</span>
+            )}
+            {aiSettings.allowedModels.map((name) => (
+              <span
+                key={name}
+                style={{
+                  background: 'var(--primary-color, #2563eb)',
+                  color: '#fff',
+                  borderRadius: 4,
+                  padding: '2px 8px',
+                  fontSize: '0.8rem',
+                  display: 'inline-flex',
+                  alignItems: 'center',
+                  gap: 4,
+                }}
+              >
+                {name}
+                <span
+                  onClick={(e) => { e.stopPropagation(); _removeModelTag(name); }}
+                  style={{ cursor: 'pointer', fontWeight: 700 }}
+                >
+                  x
+                </span>
+              </span>
+            ))}
+          </div>
+          {modelsOpen && (
+            <div style={{ border: '1px solid var(--border-color, #ddd)', borderRadius: 6, marginTop: 4, maxHeight: 220, overflow: 'auto', background: 'var(--bg-primary, #fafafa)', padding: 6 }}>
+              {availableModels.length === 0 && (
+                <div style={{ fontSize: '0.8rem', color: 'var(--text-secondary, #888)', padding: 4 }}>{t('Keine Modelle verfügbar')}</div>
+              )}
+              {availableModels.map((m) => (
+                <label
+                  key={m.displayName}
+                  style={{ display: 'flex', alignItems: 'center', gap: 6, padding: '4px 6px', fontSize: '0.85rem', cursor: 'pointer' }}
+                >
+                  <input
+                    type="checkbox"
+                    checked={aiSettings.allowedModels.includes(m.displayName)}
+                    onChange={() => _toggleModel(m.displayName)}
+                    disabled={aiSaving}
+                  />
+                  <span>{m.displayName}</span>
+                  {m.connectorType && (
+                    <span style={{ fontSize: '0.75rem', color: 'var(--text-secondary, #888)' }}>({m.connectorType})</span>
+                  )}
+                </label>
+              ))}
+            </div>
+          )}
+        </div>
+      </div>
     </div>
   );
 };

src/pages/views/workspace/WorkspaceInput.tsx

@@ -3,7 +3,14 @@
  * voice toggle (generic audio capture hook), and data source selection.
  */
 
-import React, { useState, useCallback, useRef, useEffect } from 'react';
+import React, {
+  useState,
+  useCallback,
+  useRef,
+  useEffect,
+  useImperativeHandle,
+  forwardRef,
+} from 'react';
 import { ProviderMultiSelect } from '../../../components/ProviderSelector';
 import type { ProviderSelection } from '../../../components/ProviderSelector';
 import { getPageIcon } from '../../../config/pageRegistry';
@@ -14,16 +21,25 @@ import type { WorkspaceFile, DataSource, FeatureDataSource } from './useWorkspac
 import { useLanguage } from '../../../providers/language/LanguageContext';
 import { useVoiceCatalog } from '../../../contexts/VoiceCatalogContext';
 
-interface PendingFile {
-  fileId: string;
-  fileName: string;
-  itemType?: 'file' | 'folder';
+export interface TreeItemDrop {
+  id: string;
+  type: 'file' | 'group';
+  name: string;
 }
 
-interface TreeItemDrop {
-  id: string;
-  type: 'file' | 'folder';
-  name: string;
+/** An attachment chip shown in the input bar.
+ *  Groups are kept as-is (show as single chip); file IDs are resolved at send-time. */
+export type AttachmentItem =
+  | { type: 'file'; id: string; name: string }
+  | { type: 'group'; id: string; name: string; fileIds: string[] };
+
+/** Parent resolves groups to concrete file IDs using persisted group tree. */
+export type ResolveTreeItemsToFileIds = (items: TreeItemDrop[]) => Promise<string[]>;
+
+export interface WorkspaceInputHandle {
+  attachFileIds: (ids: string[]) => void;
+  attachTreeItems: (items: TreeItemDrop[]) => Promise<void>;
+  ingestTreeDataTransfer: (dt: DataTransfer) => Promise<boolean>;
 }
 
 interface WorkspaceInputProps {
@@ -34,14 +50,12 @@ interface WorkspaceInputProps {
   files: WorkspaceFile[];
   dataSources: DataSource[];
   featureDataSources?: FeatureDataSource[];
-  pendingFiles?: PendingFile[];
-  onRemovePendingFile?: (fileId: string) => void;
+  resolveTreeItemsToFileIds: ResolveTreeItemsToFileIds;
   onFileUploadClick?: () => void;
   uploading?: boolean;
   providerSelection?: ProviderSelection;
   onProviderSelectionChange?: (selection: ProviderSelection) => void;
   isMobile?: boolean;
-  onTreeItemsDrop?: (items: TreeItemDrop[]) => void;
   onFeatureSourceDrop?: (params: { featureInstanceId: string; featureCode: string; tableName?: string; objectKey: string; label: string; fieldName?: string }) => void;
   onDataSourceDrop?: (params: { connectionId: string; sourceType: string; path: string; label: string; displayPath?: string }) => void;
   pendingAttachDsId?: string;
@@ -51,36 +65,62 @@ interface WorkspaceInputProps {
   onPasteAsFile?: (file: File) => void;
   draftAppend?: string;
   onDraftAppendConsumed?: () => void;
-  /**
-   * Per-chat attachment persistence. When the parent loads a workflow, it
-   * passes the IDs the backend has stored for that chat plus a nonce that
-   * increments on every load. The chip-bar is then rehydrated, dropping
-   * any IDs that no longer resolve against the available sources.
-   *
-   * `workflowId` is needed so that "x" detachments can be persisted via a
-   * PATCH call without waiting for the next sendMessage round-trip.
-   */
   workflowId?: string | null;
   loadedAttachedDataSourceIds?: string[];
   loadedAttachedFeatureDataSourceIds?: string[];
   loadedNonce?: number;
 }
 
-export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
+function _itemsFromTreeDataTransfer(dt: DataTransfer): TreeItemDrop[] | null {
+  const groupId = dt.getData('application/group-id');
+  if (groupId) {
+    return [{ id: groupId, type: 'group', name: dt.getData('text/plain') || groupId }];
+  }
+  const portaG = dt.getData('application/porta-group');
+  if (portaG) {
+    return [{ id: portaG, type: 'group', name: dt.getData('text/plain') || portaG }];
+  }
+  const treeItemsJson = dt.getData('application/tree-items');
+  if (treeItemsJson) {
+    try {
+      const items = JSON.parse(treeItemsJson) as TreeItemDrop[];
+      return Array.isArray(items) && items.length ? items : null;
+    } catch {
+      return null;
+    }
+  }
+  const fileIdsJson = dt.getData('application/file-ids');
+  if (fileIdsJson) {
+    try {
+      const ids: string[] = JSON.parse(fileIdsJson);
+      return ids.map(id => ({ id, type: 'file' as const, name: id }));
+    } catch {
+      return null;
+    }
+  }
+  const singleFileId = dt.getData('application/file-id');
+  if (singleFileId) {
+    const lbl = dt.getData('text/plain');
+    const name = lbl && lbl !== singleFileId ? lbl : singleFileId;
+    return [{ id: singleFileId, type: 'file', name }];
+  }
+  return null;
+}
+
+export const WorkspaceInput = forwardRef<WorkspaceInputHandle, WorkspaceInputProps>(function WorkspaceInput({
+  instanceId,
   onSend,
   isProcessing,
   onStop,
   files,
   dataSources,
   featureDataSources = [],
-  pendingFiles = [],
-  onRemovePendingFile,
+  resolveTreeItemsToFileIds,
   onFileUploadClick,
   uploading = false,
   providerSelection,
   onProviderSelectionChange,
   isMobile = false,
-  onTreeItemsDrop,
   onFeatureSourceDrop,
   onDataSourceDrop,
   pendingAttachDsId,
@@ -94,23 +134,37 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
   loadedAttachedDataSourceIds,
   loadedAttachedFeatureDataSourceIds,
   loadedNonce,
-}) => {
+}, ref) {
   const { t } = useLanguage();
   const { languages: voiceCatalogLanguages } = useVoiceCatalog();
   const [prompt, setPrompt] = useState('');
   const [showAutocomplete, setShowAutocomplete] = useState(false);
   const [autocompleteFilter, setAutocompleteFilter] = useState('');
   const [treeDropOver, setTreeDropOver] = useState(false);
+  const textareaAreaDragDepth = useRef(0);
   const [voiceActive, setVoiceActive] = useState(false);
   const [voiceLanguage, setVoiceLanguage] = useState('de-DE');
   const [showLangPicker, setShowLangPicker] = useState(false);
   const _sttPrefsLoaded = useRef(false);
-  const [attachedFileIds, setAttachedFileIds] = useState<string[]>([]);
+  const [attachments, setAttachments] = useState<AttachmentItem[]>([]);
   const [attachedDataSourceIds, setAttachedDataSourceIds] = useState<string[]>([]);
   const [attachedFeatureDataSourceIds, setAttachedFeatureDataSourceIds] = useState<string[]>([]);
   const [neutralizeActive, setNeutralizeActive] = useState(false);
   const textareaRef = useRef<HTMLTextAreaElement>(null);
 
+  const _appendAttachment = useCallback((item: AttachmentItem) => {
+    setAttachments(prev => prev.some(a => a.id === item.id) ? prev : [...prev, item]);
+  }, []);
+
+  const _appendFileIds = useCallback((ids: string[]) => {
+    if (!ids.length) return;
+    setAttachments(prev => {
+      const existing = new Set(prev.map(a => a.id));
+      const added = ids.filter(id => !existing.has(id)).map(id => ({ type: 'file' as const, id, name: id }));
+      return added.length ? [...prev, ...added] : prev;
+    });
+  }, []);
+
   useEffect(() => {
     if (draftAppend) {
       setPrompt(prev => prev + (prev ? '\n' : '') + draftAppend);
@@ -118,10 +172,6 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
     }
   }, [draftAppend, onDraftAppendConsumed]);
 
-  // Persist a changed attachment list to the backend so the next chat
-  // reload reflects the current state. Defined early so the
-  // pendingAttachDsId / pendingAttachFdsId effects below can also persist
-  // immediately after a 💬-click or drag-drop attach.
   const _persistAttachments = useCallback((dsIds: string[], fdsIds: string[]) => {
     if (!instanceId || !workflowId) return;
     api.patch(`/api/workspace/${instanceId}/workflows/${workflowId}/attachments`, {
@@ -130,10 +180,6 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
     }).catch(err => console.warn('Failed to persist chat attachments:', err));
   }, [instanceId, workflowId]);
 
-  // 💬-click or drag-drop attach: parent sets pendingAttachDsId after
-  // creating/finding the DataSource. Add to the chip bar AND persist
-  // immediately so a chat reload before the user sends a message still
-  // shows the chip.
   useEffect(() => {
     if (!pendingAttachDsId) return;
     setAttachedDataSourceIds(prev => {
@@ -156,34 +202,20 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
     onPendingAttachFdsConsumed?.();
   }, [pendingAttachFdsId, onPendingAttachFdsConsumed, _persistAttachments, attachedDataSourceIds]);
 
-  // Rehydrate the chip-bar whenever the parent re-loads a chat (loadedNonce
-  // bumps on every loadWorkflow call). We trust the loaded IDs initially;
-  // a separate one-shot reconciliation below drops IDs that don't resolve
-  // once the source lists have arrived from the backend.
   useEffect(() => {
     if (loadedNonce === undefined) return;
-    setAttachedFileIds([]);
+    setAttachments([]);
     setAttachedDataSourceIds(Array.isArray(loadedAttachedDataSourceIds) ? [...loadedAttachedDataSourceIds] : []);
     setAttachedFeatureDataSourceIds(Array.isArray(loadedAttachedFeatureDataSourceIds) ? [...loadedAttachedFeatureDataSourceIds] : []);
-  }, [loadedNonce]);
+  }, [loadedNonce, loadedAttachedDataSourceIds, loadedAttachedFeatureDataSourceIds]);
 
-  // Drop persisted attachment IDs that no longer resolve to an existing
-  // source (e.g. the DataSource was deleted while the chat was closed).
-  //
-  // CRITICAL: this MUST run only once per chat-load (per `loadedNonce`),
-  // and only after the source lists have actually arrived. A continuous
-  // filter would race with `_handleDataSourceDrop` /
-  // `_handleSendToChat_FeatureSource` in the parent: the drop sets the
-  // chip via `pendingAttachDsId` *before* `refreshDataSources()` has
-  // returned, so a continuous filter would briefly evict the freshly
-  // dropped ID and the chip would visibly flash in and out.
   const _reconciledDsForNonce = useRef<number | undefined>(undefined);
   const _reconciledFdsForNonce = useRef<number | undefined>(undefined);
 
   useEffect(() => {
     if (loadedNonce === undefined) return;
     if (_reconciledDsForNonce.current === loadedNonce) return;
-    if (dataSources.length === 0) return;  // wait for the list to arrive
+    if (dataSources.length === 0) return;
     _reconciledDsForNonce.current = loadedNonce;
     const validIds = new Set(dataSources.map(d => d.id));
     setAttachedDataSourceIds(prev => {
@@ -217,9 +249,61 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
       .catch(() => {});
   }, []);
 
+  const _resolveGroupItem = useCallback(async (item: TreeItemDrop): Promise<AttachmentItem> => {
+    const fileIds = await resolveTreeItemsToFileIds([item]);
+    return { type: 'group', id: item.id, name: item.name, fileIds };
+  }, [resolveTreeItemsToFileIds]);
+
+  /** Ingest a DataTransfer and append the right attachment chips. Returns true if handled. */
+  const _ingestDataTransfer = useCallback(async (dt: DataTransfer): Promise<boolean> => {
+    // Group with drag-time snapshot of its file IDs
+    const groupId = dt.getData('application/group-id') || dt.getData('application/porta-group');
+    if (groupId) {
+      const name = dt.getData('text/plain') || groupId;
+      const snapshotJson = dt.getData('application/group-file-ids');
+      let fileIds: string[] = [];
+      if (snapshotJson) {
+        try {
+          const parsed: unknown = JSON.parse(snapshotJson);
+          if (Array.isArray(parsed)) fileIds = parsed.filter((f): f is string => typeof f === 'string');
+        } catch { /* ignore */ }
+      }
+      if (!fileIds.length) {
+        fileIds = await resolveTreeItemsToFileIds([{ id: groupId, type: 'group', name }]);
+      }
+      _appendAttachment({ type: 'group', id: groupId, name, fileIds });
+      return true;
+    }
+    // Generic tree-items (may contain groups or files)
+    const items = _itemsFromTreeDataTransfer(dt);
+    if (!items?.length) return false;
+    await Promise.all(items.map(async item => {
+      if (item.type === 'group') {
+        _appendAttachment(await _resolveGroupItem(item));
+      } else {
+        _appendAttachment({ type: 'file', id: item.id, name: item.name });
+      }
+    }));
+    return true;
+  }, [resolveTreeItemsToFileIds, _appendAttachment, _resolveGroupItem]);
+
+  useImperativeHandle(ref, () => ({
+    attachFileIds: (ids: string[]) => _appendFileIds(ids),
+    attachTreeItems: async (items: TreeItemDrop[]) => {
+      await Promise.all(items.map(async item => {
+        if (item.type === 'group') {
+          _appendAttachment(await _resolveGroupItem(item));
+        } else {
+          _appendAttachment({ type: 'file', id: item.id, name: item.name });
+        }
+      }));
+    },
+    ingestTreeDataTransfer: (dt: DataTransfer) => _ingestDataTransfer(dt),
+  }), [_appendFileIds, _appendAttachment, _resolveGroupItem, _ingestDataTransfer]);
+
   const _extractFileRefs = useCallback(
     (text: string): string[] => {
-      const pattern = /@([\w.\-]+)/g;
+      const pattern = /@([\w.-]+)/g;
       const matched: string[] = [];
       let match;
       while ((match = pattern.exec(text)) !== null) {
@@ -236,17 +320,21 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
     [files],
   );
 
+  const hasFileOrSourceAttachments =
+    attachments.length > 0 || attachedDataSourceIds.length > 0 || attachedFeatureDataSourceIds.length > 0;
+  const _canSend = Boolean(prompt.trim()) || attachments.length > 0;
+
   const _handleSend = useCallback(() => {
-    const trimmed = prompt.trim();
-    if (!trimmed || isProcessing) return;
-    const inlineFileIds = _extractFileRefs(trimmed);
+    if ((!prompt.trim() && attachments.length === 0) || isProcessing) return;
+    const inlineFileIds = _extractFileRefs(prompt);
+    const attachedFileIds = attachments.flatMap(a => a.type === 'file' ? [a.id] : a.fileIds);
     const allFileIds = [...new Set([...attachedFileIds, ...inlineFileIds])];
     const options = neutralizeActive ? { requireNeutralization: true } : undefined;
-    onSend(trimmed, allFileIds, attachedDataSourceIds, attachedFeatureDataSourceIds, options);
+    onSend(prompt.trim(), allFileIds, attachedDataSourceIds, attachedFeatureDataSourceIds, options);
     setPrompt('');
     setShowAutocomplete(false);
-    setAttachedFileIds([]);
-  }, [prompt, isProcessing, _extractFileRefs, attachedFileIds, attachedDataSourceIds, attachedFeatureDataSourceIds, neutralizeActive, onSend]);
+    setAttachments([]);
+  }, [prompt, isProcessing, _extractFileRefs, attachments, attachedDataSourceIds, attachedFeatureDataSourceIds, neutralizeActive, onSend]);
 
   const _handleKeyDown = useCallback(
     (e: React.KeyboardEvent) => {
@@ -264,7 +352,7 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
       setPrompt(value);
       const cursorPos = e.target.selectionStart;
       const textBeforeCursor = value.slice(0, cursorPos);
-      const atMatch = textBeforeCursor.match(/@([\w.\-]*)$/);
+      const atMatch = textBeforeCursor.match(/@([\w.-]*)$/);
       if (atMatch) {
         setAutocompleteFilter(atMatch[1].toLowerCase());
         setShowAutocomplete(true);
@@ -291,8 +379,8 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
     [prompt],
   );
 
-  const _removeAttachedFile = useCallback((fileId: string) => {
-    setAttachedFileIds(prev => prev.filter(id => id !== fileId));
+  const _removeAttachment = useCallback((id: string) => {
+    setAttachments(prev => prev.filter(a => a.id !== id));
   }, []);
 
   const _removeAttachedDataSource = useCallback((dsId: string) => {
@@ -370,7 +458,7 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
     ? files.filter(f => f.fileName.toLowerCase().includes(autocompleteFilter))
     : [];
 
-  const hasAttachments = attachedFileIds.length > 0 || attachedDataSourceIds.length > 0 || attachedFeatureDataSourceIds.length > 0;
+  const hasAttachments = hasFileOrSourceAttachments;
   const _horizontalPadding = isMobile ? 12 : 24;
   const _controlSize = isMobile ? 38 : 40;
 
@@ -385,9 +473,21 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
     }
   }, [onPasteAsFile]);
 
+  const _isTreeMimeDrag = useCallback((e: React.DragEvent) => {
+    const types = e.dataTransfer.types;
+    return (
+      types.includes('application/tree-items') ||
+      types.includes('application/group-file-ids') ||
+      types.includes('application/group-id') ||
+      types.includes('application/porta-group') ||
+      types.includes('application/file-id') ||
+      types.includes('application/file-ids')
+    );
+  }, []);
+
   const _handlePromptDragOver = useCallback((e: React.DragEvent) => {
     if (
-      e.dataTransfer.types.includes('application/tree-items') ||
+      _isTreeMimeDrag(e) ||
       e.dataTransfer.types.includes('application/chat-id') ||
       e.dataTransfer.types.includes('application/feature-source') ||
       e.dataTransfer.types.includes('application/datasource')
@@ -396,11 +496,39 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
       e.dataTransfer.dropEffect = 'copy';
       setTreeDropOver(true);
     }
+  }, [_isTreeMimeDrag]);
+
+  const _handlePromptDragLeave = useCallback((e: React.DragEvent) => {
+    if (!e.relatedTarget || !(e.currentTarget as Node).contains(e.relatedTarget as Node)) {
+      setTreeDropOver(false);
+    }
   }, []);
 
-  const _handlePromptDragLeave = useCallback(() => setTreeDropOver(false), []);
+  const _handleTextareaDragEnter = useCallback((e: React.DragEvent) => {
+    if (!_isTreeMimeDrag(e)) return;
+    e.preventDefault();
+    textareaAreaDragDepth.current += 1;
+    setTreeDropOver(true);
+  }, [_isTreeMimeDrag]);
 
-  const _handlePromptDrop = useCallback((e: React.DragEvent) => {
+  const _handleTextareaDragLeave = useCallback((e: React.DragEvent) => {
+    if (!_isTreeMimeDrag(e)) return;
+    e.preventDefault();
+    textareaAreaDragDepth.current = Math.max(0, textareaAreaDragDepth.current - 1);
+    if (textareaAreaDragDepth.current === 0) {
+      setTreeDropOver(false);
+    }
+  }, [_isTreeMimeDrag]);
+
+  const _handleTextareaDragOver = useCallback((e: React.DragEvent) => {
+    if (!_isTreeMimeDrag(e)) return;
+    e.preventDefault();
+    e.stopPropagation();
+    e.dataTransfer.dropEffect = 'copy';
+  }, [_isTreeMimeDrag]);
+
+  const _handlePromptDrop = useCallback(async (e: React.DragEvent) => {
+    textareaAreaDragDepth.current = 0;
     setTreeDropOver(false);
 
     const chatId = e.dataTransfer.getData('application/chat-id');
@@ -408,8 +536,8 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
       e.preventDefault();
       e.stopPropagation();
       const chatLabel = e.dataTransfer.getData('text/plain');
-      const ref = chatLabel ? `[Chat: ${chatLabel}]` : `[Chat: ${chatId.slice(0, 8)}]`;
-      setPrompt(prev => (prev ? `${prev} ${ref}` : ref));
+      const refLabel = chatLabel ? `[Chat: ${chatLabel}]` : `[Chat: ${chatId.slice(0, 8)}]`;
+      setPrompt(prev => (prev ? `${prev} ${refLabel}` : refLabel));
       return;
     }
 
@@ -431,14 +559,13 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
       return;
     }
 
-    const treeItemsJson = e.dataTransfer.getData('application/tree-items');
-    if (treeItemsJson && onTreeItemsDrop) {
+    const handled = await _ingestDataTransfer(e.dataTransfer);
+    if (handled) {
       e.preventDefault();
       e.stopPropagation();
-      const items: TreeItemDrop[] = JSON.parse(treeItemsJson);
-      onTreeItemsDrop(items);
+      textareaRef.current?.focus();
     }
-  }, [onTreeItemsDrop, onFeatureSourceDrop, onDataSourceDrop]);
+  }, [_ingestDataTransfer, onFeatureSourceDrop, onDataSourceDrop]);
 
   return (
     <div
@@ -452,74 +579,44 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
       }}
       onDragOver={_handlePromptDragOver}
       onDragLeave={_handlePromptDragLeave}
-      onDrop={_handlePromptDrop}
+      onDrop={e => void _handlePromptDrop(e)}
     >
-      {/* Pending uploaded files */}
-      {pendingFiles.length > 0 && (
-        <div style={{
-          padding: `6px ${_horizontalPadding}px`,
-          display: 'flex',
-          gap: 6,
-          flexWrap: 'wrap',
-          borderBottom: '1px solid var(--border-color, #f0f0f0)',
-          background: 'var(--bg-secondary, #fafafa)',
-        }}>
-          {pendingFiles.map(pf => (
-            <span
-              key={pf.fileId}
-              style={{
-                display: 'inline-flex', alignItems: 'center', gap: 4,
-                padding: '3px 8px', borderRadius: 12, fontSize: 11,
-                background: pf.itemType === 'folder' ? '#e3f2fd' : '#fff3e0',
-                color: pf.itemType === 'folder' ? '#1565c0' : '#e65100',
-                fontWeight: 500,
-                border: `1px solid ${pf.itemType === 'folder' ? '#bbdefb' : '#ffe0b2'}`,
-              }}
-            >
-              {pf.itemType === 'folder' ? '📁' : '📎'} {pf.fileName.length > 25 ? pf.fileName.slice(0, 25) + '...' : pf.fileName}
-              {onRemovePendingFile && (
-                <button
-                  onClick={() => onRemovePendingFile(pf.fileId)}
-                  style={{
-                    border: 'none', background: 'none', cursor: 'pointer',
-                    fontSize: 12, color: '#e65100', padding: 0, lineHeight: 1,
-                  }}
-                >
-                  ×
-                </button>
-              )}
-            </span>
-          ))}
-        </div>
-      )}
-
-      {/* Attachment bar */}
       {hasAttachments && (
         <div style={{
-          padding: `6px ${_horizontalPadding}px`,
+          padding: `8px ${_horizontalPadding}px`,
           display: 'flex',
           gap: 6,
           flexWrap: 'wrap',
           borderBottom: '1px solid var(--border-color, #f0f0f0)',
           background: '#fafafa',
         }}>
-          {attachedFileIds.map(fId => {
-            const file = files.find(f => f.id === fId);
+          {attachments.map(att => {
+            const isGroup = att.type === 'group';
+            const label = isGroup
+              ? att.name
+              : (files.find(f => f.id === att.id)?.fileName || att.name || att.id);
+            const chipBg = isGroup ? '#e8f5e9' : '#e3f2fd';
+            const chipColor = isGroup ? '#1b5e20' : '#1565c0';
+            const chipBorder = isGroup ? '1px solid #c8e6c9' : '1px solid #bbdefb';
+            const countBadge = isGroup ? ` (${att.fileIds.length})` : '';
             return (
               <span
-                key={fId}
+                key={att.id}
+                title={isGroup ? `${att.fileIds.length} Datei(en) in dieser Gruppe` : label}
                 style={{
                   display: 'inline-flex', alignItems: 'center', gap: 4,
                   padding: '3px 8px', borderRadius: 12, fontSize: 11,
-                  background: '#e3f2fd', color: '#1565c0', fontWeight: 500,
+                  background: chipBg, color: chipColor, fontWeight: 500,
+                  border: chipBorder,
                 }}
               >
-                📄 {file?.fileName || fId}
+                {isGroup ? '📁' : '📄'} {label}{countBadge}
                 <button
-                  onClick={() => _removeAttachedFile(fId)}
+                  type="button"
+                  onClick={() => _removeAttachment(att.id)}
                   style={{
                     border: 'none', background: 'none', cursor: 'pointer',
-                    fontSize: 12, color: '#1565c0', padding: 0, lineHeight: 1,
+                    fontSize: 12, color: chipColor, padding: 0, lineHeight: 1,
                   }}
                 >
                   ×
@@ -540,6 +637,7 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
               >
                 🔗 {ds?.label || ds?.path || dsId}
                 <button
+                  type="button"
                   onClick={() => _removeAttachedDataSource(dsId)}
                   style={{
                     border: 'none', background: 'none', cursor: 'pointer',
@@ -566,6 +664,7 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
                 <span style={{ display: 'flex', alignItems: 'center', fontSize: 12 }}>{fdsIcon || '\uD83D\uDDC3\uFE0F'}</span>
                 {fds?.label || fdsId} – {fds?.tableName || ''}
                 <button
+                  type="button"
                   onClick={() => _toggleFeatureDataSource(fdsId)}
                   style={{
                     border: 'none', background: 'none', cursor: 'pointer',
@@ -580,7 +679,6 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
         </div>
       )}
 
-      {/* Autocomplete dropdown */}
       {showAutocomplete && filteredFiles.length > 0 && (
         <div style={{
           position: 'absolute',
@@ -598,6 +696,7 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
           {filteredFiles.slice(0, 10).map(f => (
             <div
               key={f.id}
+              role="presentation"
               onClick={() => _insertFileRef(f.fileName)}
               style={{
                 padding: '8px 12px',
@@ -617,7 +716,6 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
         </div>
       )}
 
-      {/* Main input row */}
       <div style={{
         padding: `8px ${_horizontalPadding}px 12px`,
         display: 'flex',
@@ -631,25 +729,35 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
           onChange={_handleChange}
           onKeyDown={_handleKeyDown}
           onPaste={_handlePaste}
-          placeholder={t('Geben Sie eine Nachricht ein, verwenden Sie @file für Dateien')}
+          onDragEnter={_handleTextareaDragEnter}
+          onDragLeave={_handleTextareaDragLeave}
+          onDragOver={_handleTextareaDragOver}
+          onDrop={e => void _handlePromptDrop(e)}
+          placeholder={
+            attachments.length > 0
+              ? t('Nachricht eingeben … ({n} Anhang/Anhänge)', { n: String(attachments.length) })
+              : t('Geben Sie eine Nachricht ein — Dateien hierher ziehen oder @file verwenden')
+          }
           disabled={isProcessing}
           style={{
             flex: 1,
-            minHeight: isMobile ? 44 : 40,
+            minHeight: isMobile ? 52 : 48,
             maxHeight: 120,
             resize: 'vertical',
             padding: '10px 14px',
             borderRadius: 8,
-            border: '1px solid var(--border-color, #ccc)',
+            border: treeDropOver ? '2px dashed var(--primary-color, #F25843)' : '1px solid var(--border-color, #ccc)',
             fontSize: 14,
             fontFamily: 'inherit',
             outline: 'none',
             flexBasis: isMobile ? '100%' : undefined,
+            boxSizing: 'border-box',
           }}
           rows={1}
         />
 
         <button
+          type="button"
           onClick={onFileUploadClick}
           disabled={uploading || isProcessing}
           title={t('Datei anhängen')}
@@ -665,8 +773,6 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
           {uploading ? '...' : '+'}
         </button>
 
-        {/* Source picker removed — data sources are now attached directly from the UDB Sources/Files tabs via "send to chat" buttons */}
-
         {onProviderSelectionChange && providerSelection && (
           <ProviderMultiSelect
             selection={providerSelection}
@@ -678,6 +784,7 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
 
         <div style={{ position: 'relative', display: 'flex', gap: 2 }}>
           <button
+            type="button"
             onClick={() => setShowLangPicker(prev => !prev)}
             title={t('Sprache wählen')}
             style={{
@@ -691,6 +798,7 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
             {voiceLanguage.split('-')[0].toUpperCase()}
           </button>
           <button
+            type="button"
             onClick={_toggleVoice}
             title={voiceActive ? t('Aufnahme stoppen') : t('Sprachaufnahme starten')}
             style={{
@@ -712,6 +820,7 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
               {voiceCatalogLanguages.map(lang => (
                 <div
                   key={lang.bcp47}
+                  role="presentation"
                   onClick={() => {
                     setVoiceLanguage(lang.bcp47);
                     setShowLangPicker(false);
@@ -733,6 +842,7 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
         </div>
 
         <button
+          type="button"
           onClick={() => setNeutralizeActive(v => !v)}
           title={neutralizeActive ? t('Neutralisierung aktiv, klicken zum Deaktivieren') : t('Neutralisierung aus, klicken zum Aktivieren')}
           style={{
@@ -749,6 +859,7 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
 
         {isProcessing ? (
           <button
+            type="button"
             onClick={onStop}
             style={{
               padding: '10px 20px', borderRadius: 8, border: 'none',
@@ -760,12 +871,13 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
           </button>
         ) : (
           <button
+            type="button"
             onClick={_handleSend}
-            disabled={!prompt.trim()}
+            disabled={!_canSend}
             style={{
               padding: '10px 20px', borderRadius: 8, border: 'none',
-              background: prompt.trim() ? 'var(--primary-color, #F25843)' : 'var(--color-gray-disabled, #ccc)',
-              color: '#fff', cursor: prompt.trim() ? 'pointer' : 'default', fontWeight: 600,
+              background: _canSend ? 'var(--primary-color, #F25843)' : 'var(--color-gray-disabled, #ccc)',
+              color: '#fff', cursor: _canSend ? 'pointer' : 'default', fontWeight: 600,
               minWidth: isMobile ? 84 : undefined,
             }}
           >
@@ -775,4 +887,4 @@ export const WorkspaceInput: React.FC<WorkspaceInputProps> = ({ instanceId,
       </div>
     </div>
   );
-};
+});

src/pages/views/workspace/WorkspacePage.tsx

@@ -14,11 +14,14 @@ import { useFileOperations } from '../../../hooks/useFiles';
 import { useWorkspace } from './useWorkspace';
 import { ChatStream } from './ChatStream';
 import { WorkspaceInput } from './WorkspaceInput';
+import type { WorkspaceInputHandle, TreeItemDrop } from './WorkspaceInput';
 import { FilePreview } from './FilePreview';
 import { ToolActivityLog } from './ToolActivityLog';
 import { UnifiedDataBar } from '../../../components/UnifiedDataBar';
 import type { UdbContext, UdbTab, AddToChat_FileItem, AddToChat_FeatureSource } from '../../../components/UnifiedDataBar';
 import api from '../../../api';
+import { collectGroupItemIds } from '../../../api/fileApi';
+import type { TableGroupNode } from '../../../api/connectionApi';
 import { _defaultProviderSelection, _toBackendProviders } from '../../../components/ProviderSelector';
 import type { ProviderSelection } from '../../../components/ProviderSelector';
 import { useBilling } from '../../../hooks/useBilling';
@@ -58,12 +61,6 @@ function _useResizable(initialWidth: number, minWidth: number, maxWidth: number)
 }
 type RightTab = 'activity' | 'preview';
 
-interface PendingFile {
-  fileId: string;
-  fileName: string;
-  itemType?: 'file' | 'folder';
-}
-
 interface WorkspacePageProps {
   persistentInstanceId?: string;
 }
@@ -85,7 +82,9 @@ export const WorkspacePage: React.FC<WorkspacePageProps> = ({ persistentInstance
   const [rightTab, setRightTab] = useState<RightTab>('activity');
   const [udbTab, setUdbTab] = useState<UdbTab>('chats');
   const [selectedFileId, setSelectedFileId] = useState<string | null>(null);
-  const [pendingFiles, setPendingFiles] = useState<PendingFile[]>([]);
+  const workspaceInputRef = useRef<WorkspaceInputHandle>(null);
+  /** Persisted grouping tree from /api/files/list — resolves dropped groups → file IDs */
+  const [filesListGroupTree, setFilesListGroupTree] = useState<TableGroupNode[]>([]);
   const [providerSelection, setProviderSelection] = useState<ProviderSelection>(_defaultProviderSelection());
   const { allowedProviders } = useBilling();
   const [isDragOver, setIsDragOver] = useState(false);
@@ -116,6 +115,27 @@ export const WorkspacePage: React.FC<WorkspacePageProps> = ({ persistentInstance
     }
   }, [isMobile]);
 
+  const _pullFilesGroupTree = useCallback(async (): Promise<TableGroupNode[]> => {
+    if (!instanceId) return [];
+    try {
+      const res = await api.get<{ groupTree?: TableGroupNode[] }>('/api/files/list', {
+        params: { page: 1, pageSize: 1 },
+      });
+      const gt = res.data?.groupTree;
+      const list = Array.isArray(gt) ? gt : [];
+      setFilesListGroupTree(list);
+      return list;
+    } catch {
+      setFilesListGroupTree([]);
+      return [];
+    }
+  }, [instanceId]);
+
+  useEffect(() => {
+    _pullFilesGroupTree();
+  }, [_pullFilesGroupTree]);
+
+
   useEffect(() => {
     if (autoStartHandled.current || !instanceId || workspace.isProcessing) return;
     const prompt = searchParams.get('prompt');
@@ -132,23 +152,77 @@ export const WorkspacePage: React.FC<WorkspacePageProps> = ({ persistentInstance
     }
   }, [instanceId, searchParams, setSearchParams, workspace, providerSelection, allowedProviders]);
 
+  const _resolveTreeItemsToFileIds = useCallback(async (items: TreeItemDrop[]) => {
+    let tree = filesListGroupTree;
+    if (items.some(i => i.type === 'group')) {
+      tree = await _pullFilesGroupTree();
+    }
+    const out: string[] = [];
+    for (const it of items) {
+      if (it.type === 'group') {
+        out.push(...collectGroupItemIds(tree, it.id));
+      } else {
+        out.push(it.id);
+      }
+    }
+    return [...new Set(out)];
+  }, [filesListGroupTree, _pullFilesGroupTree]);
+
   const _uploadAndAttach = useCallback(async (file: File) => {
     const result = await fileOps.handleFileUpload(file, undefined, instanceId);
     if (result.success && result.fileData) {
       const data = result.fileData.file || result.fileData;
       if (data?.id) {
-        setPendingFiles(prev => [...prev, { fileId: data.id, fileName: data.fileName || file.name }]);
+        workspaceInputRef.current?.attachFileIds([data.id]);
       }
       workspace.refreshFiles();
     }
   }, [fileOps, workspace, instanceId]);
 
+  const _consumeDataTransferFilesOrChat = useCallback(async (dt: React.DragEvent['dataTransfer']) => {
+    const chatId = dt.getData('application/chat-id');
+    if (chatId) {
+      try {
+        const res = await api.post(`/api/workspace/${instanceId}/resolve-rag`, { chatId });
+        const body = res.data ?? {};
+        if (body.summary) setDraftAppend(body.summary);
+      } catch (err) {
+        console.error('RAG resolve failed for dropped chat:', err);
+      }
+      return true;
+    }
+    if (workspaceInputRef.current && (await workspaceInputRef.current.ingestTreeDataTransfer(dt))) {
+      return true;
+    }
+    if (dt.files && dt.files.length > 0) {
+      for (const file of Array.from(dt.files)) {
+        await _uploadAndAttach(file);
+      }
+      return true;
+    }
+    return false;
+  }, [_uploadAndAttach, instanceId]);
+
+  const _isCenterDropInteresting = useCallback((e: React.DragEvent) => {
+    const types = e.dataTransfer.types;
+    return (
+      types.includes('application/tree-items') ||
+      types.includes('application/group-file-ids') ||
+      types.includes('application/group-id') ||
+      types.includes('application/porta-group') ||
+      types.includes('application/file-id') ||
+      types.includes('application/file-ids') ||
+      types.includes('application/chat-id') ||
+      types.includes('Files')
+    );
+  }, []);
+
   const _handleDragEnter = useCallback((e: React.DragEvent) => {
     e.preventDefault();
     e.stopPropagation();
     dragCounterRef.current++;
-    if (e.dataTransfer.types.includes('Files')) setIsDragOver(true);
-  }, []);
+    if (_isCenterDropInteresting(e)) setIsDragOver(true);
+  }, [_isCenterDropInteresting]);
 
   const _handleDragLeave = useCallback((e: React.DragEvent) => {
     e.preventDefault();
@@ -158,9 +232,11 @@ export const WorkspacePage: React.FC<WorkspacePageProps> = ({ persistentInstance
   }, []);
 
   const _handleDragOver = useCallback((e: React.DragEvent) => {
+    if (!_isCenterDropInteresting(e)) return;
     e.preventDefault();
     e.stopPropagation();
-  }, []);
+    e.dataTransfer.dropEffect = 'copy';
+  }, [_isCenterDropInteresting]);
 
   const _handleDrop = useCallback(async (e: React.DragEvent) => {
     e.preventDefault();
@@ -168,27 +244,8 @@ export const WorkspacePage: React.FC<WorkspacePageProps> = ({ persistentInstance
     dragCounterRef.current = 0;
     setIsDragOver(false);
 
-    const chatId = e.dataTransfer.getData('application/chat-id');
-    if (chatId) {
-      try {
-        const res = await api.post(`/api/workspace/${instanceId}/resolve-rag`, { chatId });
-        const body = res.data ?? {};
-        if (body.summary) {
-          setDraftAppend(body.summary);
-        }
-      } catch (err) {
-        console.error('RAG resolve failed for dropped chat:', err);
-      }
-      return;
-    }
-
-    const droppedFiles = e.dataTransfer.files;
-    if (droppedFiles.length > 0) {
-      for (const file of Array.from(droppedFiles)) {
-        await _uploadAndAttach(file);
-      }
-    }
-  }, [_uploadAndAttach, instanceId, workspace]);
+    await _consumeDataTransferFilesOrChat(e.dataTransfer);
+  }, [_consumeDataTransferFilesOrChat]);
 
   const _handleFileInputChange = useCallback((e: React.ChangeEvent<HTMLInputElement>) => {
     if (e.target.files && e.target.files.length > 0) {
@@ -197,22 +254,10 @@ export const WorkspacePage: React.FC<WorkspacePageProps> = ({ persistentInstance
     }
   }, [_uploadAndAttach]);
 
-  const _handleRemovePendingFile = useCallback((fileId: string) => {
-    setPendingFiles(prev => prev.filter(f => f.fileId !== fileId));
-  }, []);
-
-  const _handleTreeItemsDrop = useCallback((items: Array<{ id: string; type: 'file' | 'folder'; name: string }>) => {
-    setPendingFiles(prev => {
-      const existing = new Set(prev.map(f => f.fileId));
-      const toAdd: PendingFile[] = [];
-      for (const item of items) {
-        if (!existing.has(item.id)) {
-          toAdd.push({ fileId: item.id, fileName: item.name, itemType: item.type });
-          existing.add(item.id);
-        }
-      }
-      return [...prev, ...toAdd];
-    });
+  const _handleSendToChat_Files = useCallback((items: AddToChat_FileItem[]) => {
+    void workspaceInputRef.current?.attachTreeItems(
+      items.map(i => ({ id: i.id, type: i.type, name: i.name })),
+    );
   }, []);
 
   if (!instanceId) {
@@ -279,20 +324,6 @@ export const WorkspacePage: React.FC<WorkspacePageProps> = ({ persistentInstance
     workspace.refreshFeatureDataSources();
   }, [workspace]);
 
-  const _handleSendToChat_Files = useCallback((items: AddToChat_FileItem[]) => {
-    setPendingFiles(prev => {
-      const existing = new Set(prev.map(f => f.fileId));
-      const toAdd: PendingFile[] = [];
-      for (const item of items) {
-        if (!existing.has(item.id)) {
-          toAdd.push({ fileId: item.id, fileName: item.name, itemType: item.type });
-          existing.add(item.id);
-        }
-      }
-      return [...prev, ...toAdd];
-    });
-  }, []);
-
   const [pendingAttachFdsId, setPendingAttachFdsId] = useState<string>('');
 
   const _handleSendToChat_FeatureSource = useCallback(async (params: AddToChat_FeatureSource) => {
@@ -497,7 +528,7 @@ export const WorkspacePage: React.FC<WorkspacePageProps> = ({ persistentInstance
             fontSize: 16, fontWeight: 600, color: 'var(--primary-color, #F25843)',
             pointerEvents: 'none',
           }}>
-            Dateien hier ablegen
+            {t('Dateien oder Gruppen hier ablegen')}
           </div>
         )}
         <ChatStream
@@ -510,26 +541,23 @@ export const WorkspacePage: React.FC<WorkspacePageProps> = ({ persistentInstance
           onOpenEditor={() => navigate(`/mandates/${mandateId}/${featureCode}/${routeInstanceId}/editor`)}
         />
         <WorkspaceInput
+          ref={workspaceInputRef}
           instanceId={instanceId}
           onSend={(prompt, fileIds, dataSourceIds, featureDataSourceIds, options) => {
-            const allFileIds = [...new Set([...pendingFiles.map(f => f.fileId), ...(fileIds || [])])];
             const resolvedProviders = _toBackendProviders(providerSelection, allowedProviders);
-            workspace.sendMessage(prompt, allFileIds, dataSourceIds, resolvedProviders, featureDataSourceIds, options);
-            setPendingFiles([]);
+            workspace.sendMessage(prompt, fileIds || [], dataSourceIds, resolvedProviders, featureDataSourceIds, options);
           }}
           isProcessing={workspace.isProcessing}
           onStop={workspace.stopProcessing}
           files={workspace.files}
           dataSources={workspace.dataSources}
           featureDataSources={workspace.featureDataSources}
-          pendingFiles={pendingFiles}
-          onRemovePendingFile={_handleRemovePendingFile}
+          resolveTreeItemsToFileIds={_resolveTreeItemsToFileIds}
           onFileUploadClick={() => fileInputRef.current?.click()}
           uploading={fileOps.uploadingFile}
           providerSelection={providerSelection}
           onProviderSelectionChange={setProviderSelection}
           isMobile={isMobile}
-          onTreeItemsDrop={_handleTreeItemsDrop}
           onFeatureSourceDrop={_handleSendToChat_FeatureSource}
           onDataSourceDrop={_handleDataSourceDrop}
           pendingAttachDsId={pendingAttachDsId}

src/pages/views/workspace/useWorkspace.ts

@@ -35,7 +35,6 @@ export interface WorkspaceFile {
   mimeType: string;
   fileSize: number;
   tags?: string[];
-  folderId?: string;
   status?: string;
   description?: string;
   featureInstanceId?: string;
@@ -44,12 +43,6 @@ export interface WorkspaceFile {
   neutralize: boolean;
 }
 
-export interface WorkspaceFolder {
-  id: string;
-  name: string;
-  parentId?: string;
-}
-
 export interface DataSource {
   id: string;
   connectionId: string;
@@ -101,7 +94,6 @@ interface UseWorkspaceReturn {
   loadWorkflow: (workflowId: string) => void;
   resetToNew: () => void;
   files: WorkspaceFile[];
-  folders: WorkspaceFolder[];
   dataSources: DataSource[];
   featureDataSources: FeatureDataSource[];
   refreshFeatureDataSources: () => void;
@@ -113,7 +105,6 @@ interface UseWorkspaceReturn {
   workflowId: string | null;
   workflowVersion: number;
   refreshFiles: () => void;
-  refreshFolders: () => void;
   refreshDataSources: () => void;
   dataSourceAccesses: DataSourceAccessEvent[];
   /**
@@ -135,7 +126,6 @@ export function useWorkspace(instanceId: string): UseWorkspaceReturn {
   const [messages, setMessages] = useState<Message[]>([]);
   const [isProcessing, setIsProcessing] = useState(false);
   const [files, setFiles] = useState<WorkspaceFile[]>([]);
-  const [folders, setFolders] = useState<WorkspaceFolder[]>([]);
   const [dataSources, setDataSources] = useState<DataSource[]>([]);
   const [featureDataSources, setFeatureDataSources] = useState<FeatureDataSource[]>([]);
   const [agentProgress, setAgentProgress] = useState<AgentProgress | null>(null);
@@ -156,13 +146,6 @@ export function useWorkspace(instanceId: string): UseWorkspaceReturn {
       .catch(err => console.error('Failed to load workspace files:', err));
   }, [instanceId]);
 
-  const refreshFolders = useCallback(() => {
-    if (!instanceId) return;
-    api.get(`/api/workspace/${instanceId}/folders`)
-      .then(res => setFolders(res.data.folders || []))
-      .catch(err => console.error('Failed to load workspace folders:', err));
-  }, [instanceId]);
-
   const refreshDataSources = useCallback(() => {
     if (!instanceId) return;
     api.get(`/api/workspace/${instanceId}/datasources`)
@@ -180,10 +163,9 @@ export function useWorkspace(instanceId: string): UseWorkspaceReturn {
   useEffect(() => {
     if (!instanceId) return;
     refreshFiles();
-    refreshFolders();
     refreshDataSources();
     refreshFeatureDataSources();
-  }, [instanceId, refreshFiles, refreshFolders, refreshDataSources, refreshFeatureDataSources]);
+  }, [instanceId, refreshFiles, refreshDataSources, refreshFeatureDataSources]);
 
   const loadWorkflow = useCallback((wfId: string) => {
     if (!instanceId || !wfId) return;
@@ -511,7 +493,6 @@ export function useWorkspace(instanceId: string): UseWorkspaceReturn {
     loadWorkflow,
     resetToNew,
     files,
-    folders,
     dataSources,
     featureDataSources,
     refreshFeatureDataSources,
@@ -523,7 +504,6 @@ export function useWorkspace(instanceId: string): UseWorkspaceReturn {
     workflowId,
     workflowVersion,
     refreshFiles,
-    refreshFolders,
     refreshDataSources,
     dataSourceAccesses,
     loadedAttachedDataSourceIds,

tsconfig.json

@@ -2,7 +2,6 @@
   "files": [],
   "references": [
     { "path": "./tsconfig.app.json" },
-    { "path": "./tsconfig.node.json" },
-    { "path": "./tsconfig.test.json" }
+    { "path": "./tsconfig.node.json" }
   ]
 }