feat: wire daemon, agent, and telegram bot together

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/daemon/index.ts

@@ -1,14 +1,41 @@
+import { Bot } from 'grammy';
 import { Lifecycle } from './lifecycle.js';
 import type { Config } from '../config/index.js';
+import { AnthropicClient } from '../models/index.js';
+import { NativeAgent } from '../backends/index.js';
+import { createTelegramBot } from '../frontends/telegram/index.js';
 
 export interface DaemonContext {
   config: Config;
   lifecycle: Lifecycle;
+  bot: Bot;
+  agent: NativeAgent;
 }
 
+const SYSTEM_PROMPT = `You are Flynn, a helpful personal AI assistant. You are direct, concise, and helpful. You can help with a variety of tasks including answering questions, providing information, and having conversations.
+
+Keep responses focused and avoid unnecessary verbosity. Use markdown formatting when it improves readability.`;
+
 export async function startDaemon(config: Config): Promise<DaemonContext> {
   const lifecycle = new Lifecycle();
 
+  // Initialize model client
+  const modelClient = new AnthropicClient({
+    model: config.models.default.model,
+  });
+
+  // Initialize native agent
+  const agent = new NativeAgent({
+    modelClient,
+    systemPrompt: SYSTEM_PROMPT,
+  });
+
+  // Initialize Telegram bot
+  const bot = createTelegramBot({
+    telegram: config.telegram,
+    agent,
+  });
+
   // Register signal handlers
   const signalHandler = () => {
     lifecycle.shutdown().then(() => process.exit(0));
@@ -22,9 +49,22 @@ export async function startDaemon(config: Config): Promise<DaemonContext> {
     process.off('SIGTERM', signalHandler);
   });
 
+  // Start bot
+  lifecycle.onShutdown(async () => {
+    await bot.stop();
+    console.log('Telegram bot stopped');
+  });
+
+  // Use long polling (no webhook, no internet exposure)
+  bot.start({
+    onStart: (botInfo) => {
+      console.log(`Telegram bot started: @${botInfo.username}`);
+    },
+  });
+
   console.log('Flynn daemon started');
 
-  return { config, lifecycle };
+  return { config, lifecycle, bot, agent };
 }
 
 export { Lifecycle } from './lifecycle.js';

src/index.ts

@@ -2,6 +2,7 @@ import { loadConfig } from './config/index.js';
 import { startDaemon } from './daemon/index.js';
 import { resolve } from 'path';
 import { homedir } from 'os';
+import { existsSync } from 'fs';
 
 const CONFIG_PATH = process.env.FLYNN_CONFIG
   ?? resolve(homedir(), '.config/flynn/config.yaml');
@@ -10,12 +11,17 @@ async function main() {
   console.log('Flynn starting...');
   console.log(`Loading config from: ${CONFIG_PATH}`);
 
+  if (!existsSync(CONFIG_PATH)) {
+    console.error(`Config file not found: ${CONFIG_PATH}`);
+    console.error('Copy config/default.yaml to ~/.config/flynn/config.yaml and configure it.');
+    process.exit(1);
+  }
+
   try {
     const config = loadConfig(CONFIG_PATH);
     const daemon = await startDaemon(config);
 
-    console.log(`Telegram bot configured for chat IDs: ${config.telegram.allowed_chat_ids.join(', ')}`);
-    console.log(`Server port: ${config.server.port}`);
+    console.log(`Allowed Telegram chat IDs: ${config.telegram.allowed_chat_ids.join(', ')}`);
 
     // Keep process alive
     await new Promise<void>((resolve) => {