fix(android): expose voice diagnostics safely

crates/chanora_bridge/src/api.rs

@@ -100,14 +100,9 @@ pub(crate) fn publish_permission_state(permission: String, state: PermissionStat
     // 2. Fan out to Dart subscribers. Best-effort: a send error
     //    means no current subscriber (Dart side not yet attached
     //    or already torn down) which is fine.
-    let _ = permission_events().send(BridgeEvent::PermissionState {
-        permission,
-        state,
-    });
+    let _ = permission_events().send(BridgeEvent::PermissionState { permission, state });
 }
 
-
-
 /// Default tracing filter. Suppresses the chatty
 /// `tsproto::resend` and `tsproto::packet_codec` paths that
 /// flood the diagnostic export during transient packet loss;
@@ -768,8 +763,9 @@ pub fn export_diagnostics() -> String {
     // diagnostics snapshot from the process-global slot published
     // by AndroidVoiceUnit::open(). Returns None on non-Android and
     // before any voice session has opened.
-    let android_audio_yaml = chanora_audio::mobile_voice_backend::current_android_audio_diagnostics()
-        .map(|d| d.to_yaml_fragment());
+    let android_audio_yaml =
+        chanora_audio::mobile_voice_backend::current_android_audio_diagnostics()
+            .map(|d| d.to_yaml_fragment());
     match chanora_core::DiagnosticExport::from_sink(log_sink(), metadata) {
         Ok(exp) => exp.with_android_audio(android_audio_yaml).to_text(),
         Err(e) => format!("(diagnostic export failed: {e})"),