feat(deploy): 产物包部署链路与 naku 打包 CLI

Docker Compose 五服务 + Debian slim 单文件运行时；migrate 幂等门闩；
naku pack/build（citty + clack）；部署方案文档入档。

Dockerfile

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+# 语法：docker/dockerfile:1
+# 只装配 release/ 产物，构建期不编译业务代码
+
+# ---------- 应用运行时 ----------
+# 用 Debian slim：与 Bun --compile（glibc）同源，兼容面更稳；
+# CA 与 libstdc++ 显式安装，不依赖 slim 是否自带
+FROM debian:bookworm-slim AS app
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ca-certificates libstdc++6 \
+ && rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+COPY release/naku-server release/naku-engine release/naku-migrate /app/
+COPY release/drizzle /app/drizzle
+ENV MIGRATIONS_FOLDER=/app/drizzle
+CMD ["/app/naku-server"]
+
+# ---------- 网关（Caddy + 前端静态） ----------
+FROM caddy:2-alpine AS proxy
+COPY Caddyfile /etc/caddy/Caddyfile
+COPY release/dist /srv