feat: mode=local 统一走 SQLite + redka 本地存储

- 二进制 --mode local 或环境变量 MODE=local 自动配置 SQLite + redka
- K8s Deployment 默认 MODE=local，移除外部 MySQL/Redis 依赖
- /version 返回 redis_driver；SQLite 兼容 agent 数据清理 SQL

deploy/kubernetes/deployment.yaml

@@ -43,26 +43,31 @@ spec:
           ports:
             - name: http
               containerPort: 8080
-          # ── 运行时环境变量 (仅覆盖代码默认值, 其余走 viper 默认) ──
+          # ── 运行时环境变量 (环境变量 > config.yaml > 默认值) ──
+          # mode=local → SQLite + redka 本地存储，无需外部 MySQL/Redis // Logan.Li
+          # 切换集群模式时改为 mode=release 并取消注释下方 DATABASE_/REDIS_ 变量
           env:
             - name: TZ
               value: Asia/Shanghai
-            - name: DATABASE_DRIVER
-              value: "mysql"
-            - name: DATABASE_HOST
-              value: "10.10.10.75"
-            - name: DATABASE_USER
-              value: "root"
-            - name: DATABASE_PASSWORD
-              value: "aiops_root_2026"
-            - name: DATABASE_DBNAME
-              value: "aiops"
-            - name: REDIS_DRIVER
-              value: "redis"
-            - name: REDIS_HOST
-              value: "10.10.10.75"
+            - name: MODE
+              value: local
             - name: JWT_SECRET
               value: "aiops-jwt-secret-key-2026"
+            # --- 集群模式（mode=release）时启用 ---
+            # - name: DATABASE_DRIVER
+            #   value: "mysql"
+            # - name: DATABASE_HOST
+            #   value: "10.10.10.75"
+            # - name: DATABASE_USER
+            #   value: "root"
+            # - name: DATABASE_PASSWORD
+            #   value: "aiops_root_2026"
+            # - name: DATABASE_DBNAME
+            #   value: "aiops"
+            # - name: REDIS_DRIVER
+            #   value: "redis"
+            # - name: REDIS_HOST
+            #   value: "10.10.10.75"
 
           volumeMounts:
             - name: config