refactor: modularize application domains

src/server/bootstrap.ts

@@ -0,0 +1,10 @@
+import { ensureSchedulingTables } from './routes/scheduling/db-schema.js';
+import { startMileageBackgroundJobs } from './routes/mileage/index.js';
+
+/** 启动只应在服务进程中运行的数据库准备和定时任务。 */
+export function startBackgroundServices(): void {
+  ensureSchedulingTables().catch((error) => {
+    console.error('scheduling bootstrap error:', error);
+  });
+  startMileageBackgroundJobs();
+}