refactor: cut over room mode from paired legacy

src/channels/discord.test.ts

@@ -29,10 +29,10 @@ vi.mock('../logger.js', () => ({
   },
 }));
 
-const isPairedRoomJidMock = vi.hoisted(() => vi.fn(() => false));
+const hasReviewerLeaseMock = vi.hoisted(() => vi.fn(() => false));
 
-vi.mock('../db.js', () => ({
-  isPairedRoomJid: isPairedRoomJidMock,
+vi.mock('../service-routing.js', () => ({
+  hasReviewerLease: hasReviewerLeaseMock,
 }));
 
 // --- discord.js mock ---
@@ -206,7 +206,7 @@ async function triggerMessage(message: any) {
 describe('DiscordChannel', () => {
   beforeEach(() => {
     vi.clearAllMocks();
-    isPairedRoomJidMock.mockReturnValue(false);
+    hasReviewerLeaseMock.mockReturnValue(false);
   });
 
   afterEach(() => {
@@ -343,7 +343,7 @@ describe('DiscordChannel', () => {
     });
 
     it('delivers other bot messages in paired rooms', async () => {
-      isPairedRoomJidMock.mockReturnValue(true);
+      hasReviewerLeaseMock.mockReturnValue(true);
 
       const opts = createTestOpts();
       const channel = new DiscordChannel('test-token', opts);

src/channels/discord.ts

@@ -17,10 +17,10 @@ import {
   DATA_DIR,
   TRIGGER_PATTERN,
 } from '../config.js';
-import { isPairedRoomJid } from '../db.js';
 import { getEnv } from '../env.js';
 import { logger } from '../logger.js';
 import { formatOutbound } from '../router.js';
+import { hasReviewerLease } from '../service-routing.js';
 
 const ATTACHMENTS_DIR = path.join(DATA_DIR, 'attachments');
 const TRANSCRIPTION_CACHE_DIR = path.join(CACHE_DIR, 'transcriptions');
@@ -214,7 +214,7 @@ export class DiscordChannel implements Channel {
       const chatJid = `dc:${channelId}`;
       const isOwnBotMessage = message.author.id === this.client?.user?.id;
       if (isOwnBotMessage) return;
-      if (message.author.bot && !isPairedRoomJid(chatJid)) return;
+      if (message.author.bot && !hasReviewerLease(chatJid)) return;
 
       let content = message.content;
       const timestamp = message.createdAt.toISOString();