diff --git a/src-tauri/src/commands/notifications.rs b/src-tauri/src/commands/notifications.rs
index 0e7173f..0c7ebdc 100644
--- a/src-tauri/src/commands/notifications.rs
+++ b/src-tauri/src/commands/notifications.rs
@@ -1,8 +1,10 @@
 // Notification commands — desktop notification via notify-rust
 
+use crate::error::AppError;
 use crate::notifications;
 
 #[tauri::command]
-pub fn notify_desktop(title: String, body: String, urgency: String) -> Result<(), String> {
+pub fn notify_desktop(title: String, body: String, urgency: String) -> Result<(), AppError> {
     notifications::send_desktop_notification(&title, &body, &urgency)
+        .map_err(AppError::internal)
 }
diff --git a/src/lib/adapters/message-adapters.ts b/src/lib/adapters/message-adapters.ts
index b041548..501919c 100644
--- a/src/lib/adapters/message-adapters.ts
+++ b/src/lib/adapters/message-adapters.ts
@@ -7,6 +7,7 @@ import { adaptSDKMessage } from './claude-messages';
 import { adaptCodexMessage } from './codex-messages';
 import { adaptOllamaMessage } from './ollama-messages';
 import { adaptAiderMessage } from './aider-messages';
+import { tel } from './telemetry-bridge';
 
 /** Function signature for a provider message adapter */
 export type MessageAdapter = (raw: Record<string, unknown>) => AgentMessage[];
@@ -22,7 +23,7 @@ export function registerMessageAdapter(providerId: ProviderId, adapter: MessageA
 export function adaptMessage(providerId: ProviderId, raw: Record<string, unknown>): AgentMessage[] {
   const adapter = adapters.get(providerId);
   if (!adapter) {
-    console.warn(`No message adapter for provider: ${providerId}, falling back to claude`);
+    tel.warn('message-adapters.unknownProvider', { providerId });
     return adaptSDKMessage(raw);
   }
   return adapter(raw);