feat: Complete zCode CLI X with Telegram bot integration

- Add full Telegram bot functionality with Z.AI API integration
- Implement 4 tools: Bash, FileEdit, WebSearch, Git
- Add 3 agents: Code Reviewer, Architect, DevOps Engineer
- Add 6 skills for common coding tasks
- Add systemd service file for 24/7 operation
- Add nginx configuration for HTTPS webhook
- Add comprehensive documentation
- Implement WebSocket server for real-time updates
- Add logging system with Winston
- Add environment validation

🤖 zCode CLI X - Agentic coder with Z.AI + Telegram integration

src/zcode.js

@@ -0,0 +1,71 @@
+import { logger } from './utils/logger.js';
+import { initConfig } from './config/index.js';
+import { initAPI } from './api/index.js';
+import { initTools } from './tools/index.js';
+import { initSkills } from './skills/index.js';
+import { initAgents } from './agents/index.js';
+import { checkEnv } from './utils/env.js';
+
+export async function zcode(options) {
+  logger.info('🚀 Initializing zCode CLI X...');
+  
+  // 1. Check environment
+  const env = checkEnv();
+  if (!env.valid) {
+    logger.error('Missing required environment variables:');
+    env.missing.forEach(key => logger.error(`  - ${key}`));
+    process.exit(1);
+  }
+
+  logger.info('✓ Environment validated');
+  logger.info(`Z.AI API Key: ${env.ZAI_API_KEY.substring(0, 10)}...`);
+  logger.info(`Telegram Bot Token: ${env.TELEGRAM_BOT_TOKEN ? 'Configured' : 'Not configured'}`);
+
+  // 2. Initialize configuration
+  const config = await initConfig();
+  logger.info('✓ Configuration loaded');
+
+  // 3. Initialize Z.AI API
+  const api = await initAPI();
+  logger.info('✓ Z.AI API connected');
+
+  // 4. Initialize tools
+  const tools = await initTools();
+  logger.info(`✓ Tools loaded: ${tools.length} available`);
+
+  // 5. Initialize skills
+  const skills = await initSkills();
+  logger.info(`✓ Skills loaded: ${skills.length} available`);
+
+  // 6. Initialize agents
+  const agents = await initAgents();
+  logger.info(`✓ Agents loaded: ${agents.length} available`);
+
+  // 7. Initialize Telegram bot (if enabled)
+  if (options.bot !== false && env.TELEGRAM_BOT_TOKEN) {
+    // Import bot module dynamically to avoid circular dependency
+    const botModule = await import('./bot/index.js');
+    const bot = await botModule.initBot(config, api, tools, skills);
+    logger.info('✓ Telegram bot initialized');
+    
+    // Keep process alive for bot
+    logger.info('🤖 zCode CLI X is now running 24/7');
+    logger.info('Type your commands or just chat with the bot!');
+    
+    // Wait for bot to handle messages
+    await bot.waitForMessages();
+  } else if (options.cli !== false) {
+    // CLI-only mode
+    logger.info('🔧 CLI mode: Run interactive mode');
+    await runInteractiveMode(config, api, tools, skills);
+  } else {
+    logger.info('🤖 Bot mode: zCode is running in the background');
+    logger.info('   Telegram bot will handle all interactions');
+  }
+}
+
+async function runInteractiveMode(config, api, tools, skills) {
+  // TODO: Implement interactive CLI mode
+  console.log('Interactive mode coming soon!');
+}
+