feat(matrix): add Matrix channel adapter

src/daemon/channels.ts

@@ -1,6 +1,6 @@
 import type { Config } from '../config/index.js';
 import type { HookEngine } from '../hooks/index.js';
-import { ChannelRegistry, TelegramAdapter, WebChatAdapter, DiscordAdapter, SlackAdapter, WhatsAppAdapter, PairingManager } from '../channels/index.js';
+import { ChannelRegistry, TelegramAdapter, WebChatAdapter, DiscordAdapter, SlackAdapter, WhatsAppAdapter, MatrixAdapter, PairingManager } from '../channels/index.js';
 import { CronScheduler, WebhookHandler, GmailWatcher } from '../automation/index.js';
 import type { GatewayServer } from '../gateway/index.js';
 
@@ -70,6 +70,20 @@ export function registerChannels(deps: ChannelsDeps): ChannelsResult {
     channelRegistry.register(whatsappAdapter);
   }
 
+  // Register Matrix adapter (if configured)
+  if (config.matrix) {
+    const matrixAdapter = new MatrixAdapter({
+      homeserverUrl: config.matrix.homeserver_url,
+      accessToken: config.matrix.access_token,
+      allowedRoomIds: config.matrix.allowed_room_ids.length > 0 ? config.matrix.allowed_room_ids : undefined,
+      requireMention: config.matrix.require_mention,
+      syncTimeoutMs: config.matrix.sync_timeout_ms,
+      displayName: config.matrix.display_name,
+      pairingManager,
+    });
+    channelRegistry.register(matrixAdapter);
+  }
+
   // Register WebChat adapter (wraps the gateway)
   const webChatAdapter = new WebChatAdapter({ gateway });
   channelRegistry.register(webChatAdapter);