G3.1: dedicated bridge heartbeat — watchdog liveness independent of audio loop

2026-08-16 10:04:16 +07:00
parent b59e416566
commit 30fa98a441
6 changed files with 186 additions and 31 deletions
@@ -55,4 +55,10 @@ struct SharedAudioBufferIPC {
    // to extend its stall deadline — a long Nexus attach must not look like
    // a dead bridge. Append-only field: existing offsets stay stable.
    volatile uint32_t attachInFlight;
+
+    // G3.1: dedicated heartbeat, incremented every 100ms by a bridge-side
+    // thread INDEPENDENT of the audio loop. The Tauri watchdog keys bridge
+    // liveness on this, so a slow (but alive) audio loop no longer looks dead.
+    // Append-only field: existing offsets stay stable.
+    volatile uint32_t heartbeat;
 };