feat(teamsbot): bot account settings UI for dedicated Microsoft account

- New "Bot-Account (Microsoft)" section in TeamsbotSettingsView
- Email and password fields for dedicated bot account
- Hint about MFA requirement
- Updated API types: botAccountEmail, botAccountPassword in Config interfaces

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

src/api/teamsbotApi.ts

@@ -58,6 +58,8 @@ export interface TeamsbotConfig {
   language: string;
   voiceId?: string;
   browserBotUrl?: string;
+  botAccountEmail?: string;
+  botAccountPassword?: string;
   triggerIntervalSeconds: number;
   triggerCooldownSeconds: number;
   contextWindowSegments: number;
@@ -86,6 +88,8 @@ export interface ConfigUpdateRequest {
   language?: string;
   voiceId?: string;
   browserBotUrl?: string;
+  botAccountEmail?: string;
+  botAccountPassword?: string;
   triggerIntervalSeconds?: number;
   triggerCooldownSeconds?: number;
   contextWindowSegments?: number;

src/pages/views/teamsbot/TeamsbotSettingsView.tsx

@@ -268,6 +268,35 @@ export const TeamsbotSettingsView: React.FC = () => {
           </div>
         </div>
 
+        {/* Bot Account */}
+        <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>
+        </div>
+
         {/* Advanced Settings */}
         <div className={styles.settingsSection}>
           <h4 className={styles.sectionTitle}>Erweiterte Einstellungen</h4>