完成 APP 建立流程和使用分析、增加主機備機的備援機制、管理者後臺增加資料庫監控

env.example

@@ -2,13 +2,34 @@
 # AI 展示平台環境變數配置
 # =====================================================
 
-# 資料庫配置
+# ===== 主機資料庫配置 =====
 DB_HOST=mysql.theaken.com
 DB_PORT=33306
 DB_NAME=db_AI_Platform
 DB_USER=AI_Platform
 DB_PASSWORD=Aa123456
 
+# ===== 備機資料庫配置 =====
+SLAVE_DB_HOST=122.100.99.161
+SLAVE_DB_PORT=43306
+SLAVE_DB_NAME=db_AI_Platform
+SLAVE_DB_USER=A999
+SLAVE_DB_PASSWORD=1023
+
+# ===== 資料庫備援配置 =====
+DB_FAILOVER_ENABLED=true
+
+# ===== 資料庫雙寫同步配置 =====
+DB_DUAL_WRITE_ENABLED=false
+DB_MASTER_PRIORITY=true
+DB_CONFLICT_RESOLUTION=master
+DB_RETRY_ATTEMPTS=3
+DB_RETRY_DELAY=1000
+DB_HEALTH_CHECK_INTERVAL=30000
+DB_CONNECTION_TIMEOUT=5000
+DB_RETRY_ATTEMPTS=3
+DB_RETRY_DELAY=2000
+
 # DeepSeek API 配置
 NEXT_PUBLIC_DEEPSEEK_API_KEY=your_deepseek_api_key_here
 NEXT_PUBLIC_DEEPSEEK_API_URL=https://api.deepseek.com/v1/chat/completions