fix: resolve architecture disconnects and codebase weaknesses

- fix(backend): replace raw .parse() with proper loadConfig() + ConfigError
- fix(gateway): connect voice recording uploader to EventBroadcaster
- fix(gateway): remove dead globalThis.moderationBroadcaster path in AI analyzer
- fix(gateway): eliminate audioStream race condition by attaching handlers before pipe
- fix(gateway): enable inlineVolume by default for setMusicVolume to work
- fix(gateway): reuse persistent redisPub for command replies (no new connection per cmd)
- fix(frontend): add missing voice_active_user/voice_pcm_data to WsEventMap
- fix(frontend): correct onAttachmentUploaded handler signature to accept data
- chore: move @types/pg from dependencies to devDependencies
- chore: translate remaining Indonesian comments to English
- chore: remove stale P3 TODO comment

services/frontend/src/shared/ws/events.ts

@@ -5,13 +5,15 @@ export interface WsEventMap {
   message_updated: { data: unknown };
   message_deleted: { data: { id: string } };
   message_analyzed: { data: unknown };
-  attachment_uploaded: Record<string, never>;
+  attachment_uploaded: { data: unknown };
   user_state: { users: unknown[] };
   ui_state: { state: unknown };
   media_state: { state: unknown };
   voice_recording_uploaded: { data: unknown };
   voice_recording_started: { data: unknown };
   voice_recording_stopped: { data: unknown };
+  voice_pcm_data: { data: unknown };
+  voice_active_user: { data: unknown };
   attachment_created: { data: unknown };
   analysis_queue_status: { data: unknown };
 }

services/frontend/src/shared/ws/socket.ts

@@ -11,7 +11,7 @@ export interface WsHandlers {
   onMessageUpdated?: (data: unknown) => void;
   onMessageDeleted?: (data: unknown) => void;
   onMessageAnalyzed?: (data: unknown) => void;
-  onAttachmentUploaded?: () => void;
+  onAttachmentUploaded?: (data: unknown) => void;
   onUserState?: (users: unknown[]) => void;
   onUiState?: (state: unknown) => void;
   onMediaState?: (state: unknown) => void;
@@ -72,7 +72,7 @@ function doConnect(): WebSocket {
             h.onMessageAnalyzed?.(msg.data);
             break;
           case "attachment_uploaded":
-            h.onAttachmentUploaded?.();
+            h.onAttachmentUploaded?.(msg.data);
             break;
           case "user_state":
             h.onUserState?.((msg.users as unknown[]) || []);
@@ -147,7 +147,8 @@ export function useDashboardSocket(handlers: WsHandlers) {
       onMessageUpdated: (d) => handlersRef.current.onMessageUpdated?.(d),
       onMessageDeleted: (d) => handlersRef.current.onMessageDeleted?.(d),
       onMessageAnalyzed: (d) => handlersRef.current.onMessageAnalyzed?.(d),
-      onAttachmentUploaded: () => handlersRef.current.onAttachmentUploaded?.(),
+      onAttachmentUploaded: (d) =>
+        handlersRef.current.onAttachmentUploaded?.(d),
       onUserState: (u) => handlersRef.current.onUserState?.(u),
       onUiState: (s) => handlersRef.current.onUiState?.(s),
       onMediaState: (s) => handlersRef.current.onMediaState?.(s),