chore: 服务启动不再自动迁移数据库

schema 变更改为显式 db:push / 手动应用后再启动。

apps/engine/src/index.ts

@@ -1,6 +1,5 @@
-import { fileURLToPath } from "node:url";
 import { appLogger, setupLogging } from "@new-api-key-usage/core";
-import { createDb, createRepos, runMigrations } from "@new-api-key-usage/db";
+import { createDb, createRepos } from "@new-api-key-usage/db";
 import { loadEnv } from "./env.ts";
 import { createSyncLoop } from "./loop.ts";
 
@@ -10,12 +9,6 @@ const log = appLogger("engine");
 
 const db = createDb(env.DATABASE_URL);
 
-const migrationsFolder =
-  process.env.MIGRATIONS_FOLDER ??
-  fileURLToPath(new URL("../../../packages/db/drizzle", import.meta.url));
-await runMigrations(db, migrationsFolder);
-log.info("数据库迁移已就绪");
-
 const repos = createRepos(db);
 
 const loop = createSyncLoop({