feat: implement TTS event handling for creation, completion, and failure in TTSPage and SocketContext

src/lib/api/services/tts.ts

@@ -11,6 +11,8 @@ export interface TTSResponse {
   text: string
   provider: string
   options: Record<string, any>
+  status: string
+  error: string | null
   sound_id: number | null
   user_id: number
   created_at: string