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/discord-gateway/src/modules/ai-moderation/aiAnalyzer.ts

@@ -22,7 +22,6 @@ import type {
   AnalysisQueueStatus,
   AnalysisResult,
   MessageRecord,
-  ModerationBroadcaster,
 } from "../message-capture/types.js";
 import { attemptAutoDeleteFlaggedMessage } from "./autoDeleteManager.js";
 import { estimateTokens } from "./conversationContext.js";
@@ -30,22 +29,12 @@ import { logModerationError } from "./responseLogger.js";
 
 const logger = createChildLogger("ai-analyzer");
 
-type ModerationGlobal = typeof globalThis & {
-  moderationBroadcaster?: ModerationBroadcaster;
-};
-
-function getModerationBroadcaster(): ModerationBroadcaster | undefined {
-  return (globalThis as ModerationGlobal).moderationBroadcaster;
-}
-
 // Redis EventBroadcaster — set by startPendingAIAnalysisWorker.
 // Used to publish analysis completion events so the backend
 // redis-bridge can forward them to frontend WebSocket clients.
 let _redisEventBroadcaster: EventBroadcaster | undefined;
 
 function broadcastAnalysisCompleted(row: MessageRecord): void {
-  // In-memory WS broadcast (direct-connected DG clients)
-  getModerationBroadcaster()?.messageAnalyzed(row);
   // Redis pub/sub broadcast → backend → frontend WebSocket
   if (_redisEventBroadcaster) {
     _redisEventBroadcaster.messageAnalyzed(row).catch((err: unknown) =>