Add debugging console

src/app/core/services/webrtc/media.manager.ts

@@ -631,10 +631,14 @@ export class MediaManager {
     try {
       this.inputGainSourceNode?.disconnect();
       this.inputGainNode?.disconnect();
-    } catch { /* already disconnected */ }
+    } catch (error) {
+      this.logger.warn('Input gain nodes were already disconnected during teardown', error as any);
+    }
 
     if (this.inputGainCtx && this.inputGainCtx.state !== 'closed') {
-      this.inputGainCtx.close().catch(() => {});
+      this.inputGainCtx.close().catch((error) => {
+        this.logger.warn('Failed to close input gain audio context', error as any);
+      });
     }
 
     this.inputGainCtx = null;