From 7513ec69ac32a9a1e93dd0eccbcc2a3019c88636 Mon Sep 17 00:00:00 2001
From: Arjun <6592213+arkml@users.noreply.github.com>
Date: Tue, 17 Mar 2026 17:27:15 +0530
Subject: [PATCH] auto stop on silence

---
 apps/x/apps/renderer/src/App.tsx              |  1 +
 .../src/hooks/useMeetingTranscription.ts      | 19 ++++++++++++++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/apps/x/apps/renderer/src/App.tsx b/apps/x/apps/renderer/src/App.tsx
index 950cac31..34f96052 100644
--- a/apps/x/apps/renderer/src/App.tsx
+++ b/apps/x/apps/renderer/src/App.tsx
@@ -3387,6 +3387,7 @@ function App() {
       }
     }
   }, [meetingTranscription, handleVoiceNoteCreated])
+  handleToggleMeetingRef.current = handleToggleMeeting
 
   const ensureWikiFile = useCallback(async (wikiPath: string) => {
     const resolvedPath = toKnowledgePath(wikiPath)
diff --git a/apps/x/apps/renderer/src/hooks/useMeetingTranscription.ts b/apps/x/apps/renderer/src/hooks/useMeetingTranscription.ts
index 26f15b17..e4cec727 100644
--- a/apps/x/apps/renderer/src/hooks/useMeetingTranscription.ts
+++ b/apps/x/apps/renderer/src/hooks/useMeetingTranscription.ts
@@ -18,6 +18,9 @@ const DEEPGRAM_LISTEN_URL = `wss://api.deepgram.com/v1/listen?${DEEPGRAM_PARAMS.
 // RMS threshold: system audio above this = "active" (speakers playing)
 const SYSTEM_AUDIO_GATE_THRESHOLD = 0.005;
 
+// Auto-stop after 2 minutes of silence (no transcript from Deepgram)
+const SILENCE_AUTO_STOP_MS = 2 * 60 * 1000;
+
 // ---------------------------------------------------------------------------
 // Headphone detection
 // ---------------------------------------------------------------------------
@@ -68,7 +71,7 @@ function formatTranscript(entries: TranscriptEntry[], date: string): string {
 // ---------------------------------------------------------------------------
 // Hook
 // ---------------------------------------------------------------------------
-export function useMeetingTranscription() {
+export function useMeetingTranscription(onAutoStop?: () => void) {
     const [state, setState] = useState<MeetingTranscriptionState>('idle');
     const wsRef = useRef<WebSocket | null>(null);
     const micStreamRef = useRef<MediaStream | null>(null);
@@ -79,6 +82,9 @@ export function useMeetingTranscription() {
     const interimRef = useRef<Map<number, { speaker: string; text: string }>>(new Map());
     const notePathRef = useRef<string>('');
     const writeTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+    const silenceTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+    const onAutoStopRef = useRef(onAutoStop);
+    onAutoStopRef.current = onAutoStop;
     const dateRef = useRef<string>('');
 
     const writeTranscriptToFile = useCallback(async () => {
@@ -117,6 +123,10 @@ export function useMeetingTranscription() {
             clearTimeout(writeTimerRef.current);
             writeTimerRef.current = null;
         }
+        if (silenceTimerRef.current) {
+            clearTimeout(silenceTimerRef.current);
+            silenceTimerRef.current = null;
+        }
         if (processorRef.current) {
             processorRef.current.disconnect();
             processorRef.current = null;
@@ -195,6 +205,13 @@ export function useMeetingTranscription() {
             const transcript = data.channel.alternatives[0].transcript;
             if (!transcript) return;
 
+            // Reset silence auto-stop timer on any transcript
+            if (silenceTimerRef.current) clearTimeout(silenceTimerRef.current);
+            silenceTimerRef.current = setTimeout(() => {
+                console.log('[meeting] 2 minutes of silence — auto-stopping');
+                onAutoStopRef.current?.();
+            }, SILENCE_AUTO_STOP_MS);
+
             const channelIndex = data.channel_index?.[0] ?? 0;
             const isMic = channelIndex === 0;