fix: stabilize browser audio playback path

Prevent renderer crashes during voice greeting playback by hardening Chromium launch flags and disconnecting finished WebAudio sources.

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

src/bot/audioProcedure.ts

@@ -237,7 +237,14 @@ export class AudioProcedure {
         source.start(0);
 
         return new Promise<void>((resolve) => {
-          source.onended = () => resolve();
+          source.onended = () => {
+            try {
+              source.disconnect();
+            } catch {
+              // already disconnected
+            }
+            resolve();
+          };
         });
       }, { audioData, format });
 

src/bot/orchestrator.ts

@@ -835,11 +835,15 @@ export class BotOrchestrator {
     const args = authMode
       ? [
           '--no-sandbox',
+          '--disable-dev-shm-usage',
+          '--disable-gpu',
           '--use-fake-ui-for-media-stream',
           '--use-fake-device-for-media-stream',
           '--autoplay-policy=no-user-gesture-required',
         ]
       : [
+          '--disable-dev-shm-usage',
+          '--disable-gpu',
           '--use-fake-ui-for-media-stream',
           '--use-fake-device-for-media-stream',
           '--disable-web-security',