diff --git a/src/global.d.ts b/src/global.d.ts
new file mode 100644
index 0000000..d9d8d3d
--- /dev/null
+++ b/src/global.d.ts
@@ -0,0 +1,45 @@
+interface SpeechRecognition extends EventTarget {
+  continuous: boolean;
+  interimResults: boolean;
+  lang: string;
+  onstart: ((this: SpeechRecognition, ev: Event) => void) | null;
+  onend: ((this: SpeechRecognition, ev: Event) => void) | null;
+  onerror: ((this: SpeechRecognition, ev: SpeechRecognitionErrorEvent) => void) | null;
+  onresult: ((this: SpeechRecognition, ev: SpeechRecognitionEvent) => void) | null;
+  onspeechstart: ((this: SpeechRecognition, ev: Event) => void) | null;
+  onspeechend: ((this: SpeechRecognition, ev: Event) => void) | null;
+  start(): void;
+  stop(): void;
+  abort(): void;
+}
+
+interface SpeechRecognitionErrorEvent extends Event {
+  error: string;
+  message: string;
+}
+
+interface SpeechRecognitionEvent extends Event {
+  resultIndex: number;
+  results: SpeechRecognitionResultList;
+}
+
+interface SpeechRecognitionResultList {
+  length: number;
+  [index: number]: SpeechRecognitionResult;
+}
+
+interface SpeechRecognitionResult {
+  isFinal: boolean;
+  length: number;
+  [index: number]: SpeechRecognitionAlternative;
+}
+
+interface SpeechRecognitionAlternative {
+  transcript: string;
+  confidence: number;
+}
+
+interface Window {
+  SpeechRecognition: new () => SpeechRecognition;
+  webkitSpeechRecognition: new () => SpeechRecognition;
+}
diff --git a/src/hooks/useCommcoach.ts b/src/hooks/useCommcoach.ts
index d25fc73..98db6ee 100644
--- a/src/hooks/useCommcoach.ts
+++ b/src/hooks/useCommcoach.ts
@@ -9,10 +9,9 @@ import { useApiRequest } from './useApi';
 import { useInstanceId } from './useCurrentInstance';
 import {
   getContextsApi, createContextApi, getContextDetailApi,
-  startSessionStreamApi, getSessionApi, completeSessionApi, cancelSessionApi,
+  startSessionStreamApi, completeSessionApi, cancelSessionApi,
   sendMessageStreamApi, sendAudioStreamApi,
-  getTasksApi, createTaskApi, updateTaskStatusApi, deleteTaskApi,
-  getProfileApi, testVoiceApi,
+  createTaskApi, updateTaskStatusApi, deleteTaskApi,
   type CoachingContext, type CoachingSession, type CoachingMessage,
   type CoachingTask, type CoachingScore, type SSEEvent,
 } from '../api/commcoachApi';
@@ -84,45 +83,9 @@ export function useCommcoach(): CommcoachHookReturn {
   const isMountedRef = useRef(true);
   const currentAudioRef = useRef<HTMLAudioElement | null>(null);
   const isTtsPlayingRef = useRef(false);
-  const profileRef = useRef<{ preferredLanguage?: string; preferredVoice?: string } | null>(null);
 
   useEffect(() => { isMountedRef.current = true; return () => { isMountedRef.current = false; }; }, []);
 
-  const _speakText = useCallback(async (text: string) => {
-    if (!instanceId) return;
-    const plain = _stripMarkdownForTts(text);
-    if (!plain.trim()) return;
-    if (currentAudioRef.current) {
-      currentAudioRef.current.pause();
-      currentAudioRef.current = null;
-    }
-    try {
-      let profile = profileRef.current;
-      if (!profile) {
-        const p = await getProfileApi(request, instanceId);
-        profile = { preferredLanguage: p?.preferredLanguage || 'de-DE', preferredVoice: p?.preferredVoice };
-        profileRef.current = profile;
-      }
-      const lang = profile?.preferredLanguage || 'de-DE';
-      const voiceId = profile?.preferredVoice || undefined;
-      const result = await testVoiceApi(request, instanceId, { text: plain, language: lang, voiceId });
-      if (result?.success && result?.audio && isMountedRef.current) {
-        const audio = new Audio(`data:audio/mp3;base64,${result.audio}`);
-        currentAudioRef.current = audio;
-        audio.onended = () => { currentAudioRef.current = null; };
-        try {
-          await audio.play();
-        } catch (playErr: any) {
-          if (playErr?.name === 'NotAllowedError') {
-            console.warn('CommCoach TTS: Browser blocked audio. Click "Session starten" or "Senden" first.');
-          }
-        }
-      }
-    } catch {
-      // TTS failed silently, text is still visible
-    }
-  }, [request, instanceId]);
-
   const refreshContexts = useCallback(async () => {
     if (!instanceId) return;
     setLoadingContexts(true);
@@ -520,8 +483,6 @@ export function useCommcoach(): CommcoachHookReturn {
 
   useEffect(() => { if (instanceId) refreshContexts(); }, [instanceId, refreshContexts]);
 
-  useEffect(() => { profileRef.current = null; }, [instanceId]);
-
   return {
     contexts, selectedContextId, selectedContext, loadingContexts,
     session, messages, isStreaming, streamingStatus,
@@ -536,16 +497,6 @@ export function useCommcoach(): CommcoachHookReturn {
   };
 }
 
-function _stripMarkdownForTts(text: string): string {
-  return text
-    .replace(/\*\*(.+?)\*\*/g, '$1')
-    .replace(/\*(.+?)\*/g, '$1')
-    .replace(/\[(.+?)\]\(.+?\)/g, '$1')
-    .replace(/^#+\s*/gm, '')
-    .replace(/`[^`]+`/g, (m) => m.slice(1, -1))
-    .trim();
-}
-
 async function _unlockAudioForTts(): Promise<void> {
   try {
     const ctx = new (window.AudioContext || (window as any).webkitAudioContext)();
diff --git a/src/pages/views/commcoach/CommcoachDashboardView.tsx b/src/pages/views/commcoach/CommcoachDashboardView.tsx
index 05df578..02a2b12 100644
--- a/src/pages/views/commcoach/CommcoachDashboardView.tsx
+++ b/src/pages/views/commcoach/CommcoachDashboardView.tsx
@@ -13,7 +13,7 @@ import styles from './CommcoachDashboardView.module.css';
 export const CommcoachDashboardView: React.FC = () => {
   const navigate = useNavigate();
   const { mandateId, instanceId } = useCurrentInstance();
-  const { dashboard, profile, loading, error, refresh } = useCommcoachDashboard();
+  const { dashboard, loading, error } = useCommcoachDashboard();
 
   const handleContextClick = (contextId: string) => {
     if (mandateId && instanceId) {
diff --git a/src/pages/views/commcoach/CommcoachDossierView.tsx b/src/pages/views/commcoach/CommcoachDossierView.tsx
index df289e3..d0ac345 100644
--- a/src/pages/views/commcoach/CommcoachDossierView.tsx
+++ b/src/pages/views/commcoach/CommcoachDossierView.tsx
@@ -209,7 +209,7 @@ export const CommcoachDossierView: React.FC = () => {
 
 interface ScoreGroup {
   dimension: string;
-  latest: { score: number; trend: string; evidence?: string };
+  latest: { score: number; trend: string; evidence?: string; createdAt?: string };
   history: Array<{ score: number; createdAt?: string }>;
 }