feat: enhance monitoring and Gemini service functionality

- Add enhanced monitoring scripts (monitor-enhanced.sh, status-unified.sh)
- Improve Gemini relay service with better error handling and token management
- Update authentication middleware for better compatibility
- Add new package dependencies for enhanced functionality
- Update .gitignore and app configuration

🤖 Generated with [Claude Code](https://claude.ai/code)

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

src/middleware/auth.js

@@ -9,12 +9,13 @@ const authenticateApiKey = async (req, res, next) => {
   const startTime = Date.now()
 
   try {
-    // 安全提取API Key，支持多种格式
+    // 安全提取API Key，支持多种格式（包括Gemini CLI支持）
     const apiKey =
       req.headers['x-api-key'] ||
       req.headers['x-goog-api-key'] ||
       req.headers['authorization']?.replace(/^Bearer\s+/i, '') ||
-      req.headers['api-key']
+      req.headers['api-key'] ||
+      req.query.key
 
     if (!apiKey) {
       logger.security(`🔒 Missing API key attempt from ${req.ip || 'unknown'}`)