feat(channels): add signal-cli 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, MatrixAdapter, PairingManager } from '../channels/index.js';
+import { ChannelRegistry, TelegramAdapter, WebChatAdapter, DiscordAdapter, SlackAdapter, WhatsAppAdapter, MatrixAdapter, SignalAdapter, PairingManager } from '../channels/index.js';
 import { CronScheduler, WebhookHandler, GmailWatcher } from '../automation/index.js';
 import type { GatewayServer } from '../gateway/index.js';
 
@@ -85,6 +85,22 @@ export function registerChannels(deps: ChannelsDeps): ChannelsResult {
     channelRegistry.register(matrixAdapter);
   }
 
+  // Register Signal adapter (if configured)
+  if (config.signal) {
+    const signalAdapter = new SignalAdapter({
+      account: config.signal.account,
+      signalCliPath: config.signal.signal_cli_path,
+      allowedNumbers: config.signal.allowed_numbers.length > 0 ? config.signal.allowed_numbers : undefined,
+      allowedGroupIds: config.signal.allowed_group_ids.length > 0 ? config.signal.allowed_group_ids : undefined,
+      requireMention: config.signal.require_mention,
+      mentionName: config.signal.mention_name,
+      pollIntervalMs: config.signal.poll_interval_ms,
+      sendTimeoutMs: config.signal.send_timeout_ms,
+      pairingManager,
+    });
+    channelRegistry.register(signalAdapter);
+  }
+
   // Register WebChat adapter (wraps the gateway)
   const webChatAdapter = new WebChatAdapter({ gateway });
   channelRegistry.register(webChatAdapter);