diff --git a/src/api/automation2Api.ts b/src/api/automation2Api.ts
index 3568c46..f215f7e 100644
--- a/src/api/automation2Api.ts
+++ b/src/api/automation2Api.ts
@@ -101,7 +101,7 @@ export interface Automation2Workflow {
 // API FUNCTIONS
 // ============================================================================
 
-export type ApiRequestFunction = (options: ApiRequestOptions) => Promise<any>;
+export type ApiRequestFunction = (options: ApiRequestOptions<any>) => Promise<any>;
 
 /**
  * Fetch node types for the flow builder (backend-driven).
diff --git a/src/components/Automation2FlowEditor/FlowCanvas.tsx b/src/components/Automation2FlowEditor/FlowCanvas.tsx
index f5b1862..fb13034 100644
--- a/src/components/Automation2FlowEditor/FlowCanvas.tsx
+++ b/src/components/Automation2FlowEditor/FlowCanvas.tsx
@@ -107,7 +107,6 @@ export const FlowCanvas: React.FC<FlowCanvasProps> = ({
 
       const w = NODE_WIDTH;
       const h = NODE_HEIGHT;
-      const centerX = node.x + w / 2;
       const centerY = node.y + h / 2;
 
       if (isOutput) {
@@ -432,7 +431,6 @@ export const FlowCanvas: React.FC<FlowCanvasProps> = ({
         const nt = nodeTypeMap[node.type];
         const category = nt?.category ?? 'io';
         const color = node.color ?? nt?.meta?.color ?? '#00BCD4';
-        const totalHandles = node.inputs + node.outputs;
         const handles: Array<{ index: number; isOutput: boolean }> = [];
         for (let i = 0; i < node.inputs; i++) handles.push({ index: i, isOutput: false });
         for (let i = 0; i < node.outputs; i++) handles.push({ index: node.inputs + i, isOutput: true });
diff --git a/src/components/FolderTree/SharepointBrowseTree.tsx b/src/components/FolderTree/SharepointBrowseTree.tsx
index 2b2c4d7..c844f4b 100644
--- a/src/components/FolderTree/SharepointBrowseTree.tsx
+++ b/src/components/FolderTree/SharepointBrowseTree.tsx
@@ -101,7 +101,6 @@ function _FolderRow({
   const children = loadedChildren[entry.path] ?? [];
   const folders = children.filter((c) => c.isFolder).sort((a, b) => a.name.localeCompare(b.name));
   const files = children.filter((c) => !c.isFolder).sort((a, b) => a.name.localeCompare(b.name));
-  const hasChildren = folders.length > 0 || files.length > 0;
   const isLoading = isExpanded && loadingPaths.has(entry.path);
 
   const handleRowClick = (e: React.MouseEvent) => {
diff --git a/src/pages/views/automation2/Automation2WorkflowsTasksPage.tsx b/src/pages/views/automation2/Automation2WorkflowsTasksPage.tsx
index 9c075cb..3950d06 100644
--- a/src/pages/views/automation2/Automation2WorkflowsTasksPage.tsx
+++ b/src/pages/views/automation2/Automation2WorkflowsTasksPage.tsx
@@ -269,8 +269,8 @@ const TaskCard: React.FC<TaskCardProps> = ({
       case 'input.approval':
         return (
           <div>
-            {config.title && <h4>{config.title as string}</h4>}
-            {config.description && <p>{config.description as string}</p>}
+            {config.title != null && String(config.title) !== '' && <h4>{String(config.title)}</h4>}
+            {config.description != null && String(config.description) !== '' && <p>{String(config.description)}</p>}
             <div className={styles.approvalButtons}>
               <button
                 type="button"
@@ -356,14 +356,14 @@ const TaskCard: React.FC<TaskCardProps> = ({
                 onClick={() => onSubmit({ confirmed: true })}
                 disabled={submitting}
               >
-                {config.confirmLabel ?? 'Bestätigen'}
+                {typeof config.confirmLabel === 'string' ? config.confirmLabel : 'Bestätigen'}
               </button>
               <button
                 type="button"
                 onClick={() => onSubmit({ confirmed: false })}
                 disabled={submitting}
               >
-                {config.rejectLabel ?? 'Ablehnen'}
+                {typeof config.rejectLabel === 'string' ? config.rejectLabel : 'Ablehnen'}
               </button>
             </div>
           </div>