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>

go.sum

@@ -1,36 +1,21 @@
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@@ -44,8 +29,8 @@ github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0
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@@ -58,9 +43,6 @@ github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
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