精简项目：只保留 docker_logs + health + info 三个工具

- 移除 database/middleware 等复杂模块，先聚焦核心功能
- docker_logs：封装 docker logs --tail N <container>
- 修复 go.mod 版本为 1.24 匹配 Docker 构建镜像
- Dockerfile 改用 alpine + docker-cli，避免 scratch 无 shell 问题
- docker-compose.yml 简化为单服务定义

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

config/prod.yaml

@@ -1,24 +1 @@
-env: prod
-
-server:
-  transport: sse
-  addr: ":8080"
-
-databases:
-  main_db:
-    driver: postgres
-    dsn: postgres://ops_readonly:${DB_PASSWORD}@db-prod.internal:5432/ops?sslmode=require
-
-docker:
-  enabled: true
-  host: unix:///var/run/docker.sock
-  container_pattern: "^(app-|web-|api-|worker-).*"
-
-auth:
-  enabled: true
-  jwt_secret: ${JWT_SECRET}
-
-rate_limit:
-  enabled: true
-  rate: 10
-  burst: 20
+transport: sse