feat(teamsbot): per-user settings API, system bot admin API, credentials removed from settings UI

Co-authored-by: Cursor <cursoragent@cursor.com>

src/api/teamsbotApi.ts

@@ -180,7 +180,7 @@ export async function deleteSession(instanceId: string, sessionId: string): Prom
 }
 
 /**
- * Get teamsbot configuration.
+ * Get teamsbot configuration (instance-level defaults).
  */
 export async function getConfig(instanceId: string): Promise<{ config: TeamsbotConfig }> {
   const response = await api.get(`/api/teamsbot/${instanceId}/config`);
@@ -188,13 +188,54 @@ export async function getConfig(instanceId: string): Promise<{ config: TeamsbotC
 }
 
 /**
- * Update teamsbot configuration.
+ * Update teamsbot configuration (instance-level defaults).
  */
 export async function updateConfig(instanceId: string, updates: ConfigUpdateRequest): Promise<{ config: TeamsbotConfig }> {
   const response = await api.put(`/api/teamsbot/${instanceId}/config`, updates);
   return response.data;
 }
 
+/**
+ * Get per-user settings merged with instance defaults.
+ */
+export async function getUserSettings(instanceId: string): Promise<{ settings: any; effectiveConfig: TeamsbotConfig }> {
+  const response = await api.get(`/api/teamsbot/${instanceId}/settings`);
+  return response.data;
+}
+
+/**
+ * Update per-user settings.
+ */
+export async function updateUserSettings(instanceId: string, updates: ConfigUpdateRequest): Promise<{ settings: any; effectiveConfig: TeamsbotConfig }> {
+  const response = await api.put(`/api/teamsbot/${instanceId}/settings`, updates);
+  return response.data;
+}
+
+/**
+ * Reset per-user settings to instance defaults.
+ */
+export async function resetUserSettings(instanceId: string): Promise<{ settings: null; effectiveConfig: TeamsbotConfig }> {
+  const response = await api.delete(`/api/teamsbot/${instanceId}/settings`);
+  return response.data;
+}
+
+export interface SystemBot {
+  id: string;
+  mandateId: string;
+  name: string;
+  email: string;
+  isActive: boolean;
+  creationDate?: string;
+}
+
+/**
+ * List system bot accounts for this mandate.
+ */
+export async function listSystemBots(instanceId: string): Promise<{ bots: SystemBot[] }> {
+  const response = await api.get(`/api/teamsbot/${instanceId}/system-bots`);
+  return response.data;
+}
+
 /**
  * Test TTS voice with AI-generated sample text. Returns base64-encoded audio.
  */

src/pages/views/teamsbot/TeamsbotSettingsView.tsx

@@ -41,15 +41,17 @@ export const TeamsbotSettingsView: React.FC = () => {
     if (!instanceId) return;
     try {
       setLoading(true);
-      const [configResult, languagesResult] = await Promise.all([
-        teamsbotApi.getConfig(instanceId),
+      // Load per-user settings (merged with instance defaults)
+      const [settingsResult, languagesResult] = await Promise.all([
+        teamsbotApi.getUserSettings(instanceId),
         teamsbotApi.fetchLanguages(),
       ]);
-      setConfig(configResult.config);
-      setFormData(configResult.config);
+      const effectiveConfig = settingsResult.effectiveConfig;
+      setConfig(effectiveConfig);
+      setFormData(effectiveConfig);
       setLanguages(languagesResult);
       // Load voices for the current language
-      const lang = configResult.config.language || 'de-DE';
+      const lang = effectiveConfig.language || 'de-DE';
       const voicesResult = await teamsbotApi.fetchVoices(lang);
       setVoices(voicesResult);
       setError(null);
@@ -71,10 +73,11 @@ export const TeamsbotSettingsView: React.FC = () => {
     setSuccessMsg(null);
 
     try {
-      const result = await teamsbotApi.updateConfig(instanceId, formData);
-      setConfig(result.config);
-      setFormData(result.config);
-      setSuccessMsg('Konfiguration gespeichert');
+      // Save as per-user settings (not instance config)
+      const result = await teamsbotApi.updateUserSettings(instanceId, formData);
+      setConfig(result.effectiveConfig);
+      setFormData(result.effectiveConfig);
+      setSuccessMsg('Einstellungen gespeichert');
       setTimeout(() => setSuccessMsg(null), 3000);
     } catch (err: any) {
       setError(err.message || 'Fehler beim Speichern');
@@ -282,33 +285,13 @@ export const TeamsbotSettingsView: React.FC = () => {
           </div>
         </div>
 
-        {/* Bot Account */}
+        {/* Bot Account - managed by admin, read-only display */}
         <div className={styles.settingsSection}>
           <h4 className={styles.sectionTitle}>Bot-Account (Microsoft)</h4>
-
-          <div className={styles.formGroup}>
-            <label className={styles.label}>E-Mail</label>
-            <input
-              type="email"
-              className={styles.input}
-              value={formData.botAccountEmail || ''}
-              onChange={(e) => _updateField('botAccountEmail', e.target.value)}
-              placeholder="bot@ihrefirma.ch"
-            />
-            <span className={styles.hint}>Dedizierter Microsoft-Account fuer authentifizierten Bot-Zugang. Leer = anonymer Gast.</span>
-          </div>
-
-          <div className={styles.formGroup}>
-            <label className={styles.label}>Passwort</label>
-            <input
-              type="password"
-              className={styles.input}
-              value={formData.botAccountPassword || ''}
-              onChange={(e) => _updateField('botAccountPassword', e.target.value)}
-              placeholder="••••••••"
-            />
-            <span className={styles.hint}>MFA muss fuer diesen Account deaktiviert sein. Passwort wird verschluesselt gespeichert.</span>
-          </div>
+          <span className={styles.hint}>
+            System-Bot-Accounts werden vom Administrator verwaltet und sind nicht direkt editierbar.
+            Waehle beim Session-Start den gewuenschten Join-Modus.
+          </span>
         </div>
 
         {/* Advanced Settings */}