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。

packages/db/src/migrate-cli.ts

@@ -0,0 +1,23 @@
+import { createDb, runMigrations } from "./index.ts";
+
+/**
+ * 部署用迁移入口：按 journal 幂等应用 packages/db/drizzle，成功 exit 0。
+ * 只依赖 DATABASE_URL；MIGRATIONS_FOLDER 缺省为同目录 ./drizzle。
+ */
+const databaseUrl = process.env.DATABASE_URL;
+if (!databaseUrl) {
+  console.error("[migrate] DATABASE_URL is required");
+  process.exit(1);
+}
+
+const migrationsFolder = process.env.MIGRATIONS_FOLDER ?? "./drizzle";
+
+const db = createDb(databaseUrl);
+try {
+  await runMigrations(db, migrationsFolder);
+  console.log(`[migrate] ok (folder=${migrationsFolder})`);
+  process.exit(0);
+} catch (err) {
+  console.error("[migrate] failed:", err);
+  process.exit(1);
+}