配置改为数据库存储

将运行时 JSON 配置迁入 app_config_entries，启动时从文件导入并删除源文件。

apps/backend/src/startup/bootstrap.ts

@@ -1,6 +1,7 @@
 import { runDatabaseMigrations } from "../db/migrate.js";
 import { ensureAdminUsersBootstrapped } from "../services/admin/admin-auth-service.js";
 import { ensureFulfillmentCatalogBootstrapped } from "../services/bootstrap/fulfillment-bootstrap-service.js";
+import { migrateJsonConfigFilesToDatabase } from "../services/config/json-config-migration-service.js";
 import { startKuaishouIndustrySendCallbackRetryWorker } from "../services/platforms/kuaishou-industry/send-code-service.js";
 import { startScheduledJobs } from "../services/scheduler/scheduler-service.js";
 import { logError, logInfo } from "../utils/logger.js";
@@ -30,6 +31,7 @@ export async function bootstrapCoreServices(
       });
 
       await runDatabaseMigrations();
+      await migrateJsonConfigFilesToDatabase();
       await ensureFulfillmentCatalogBootstrapped();
       await ensureAdminUsersBootstrapped();