更新依赖项，添加 flowme 插入触发器和监听器；重构数据库连接管理；优化用户路由和 SSE 处理

src/app.ts

@@ -6,8 +6,8 @@ import { SimpleRouter } from '@kevisual/router/simple';
 import { s3Client, oss as s3Oss } from './modules/s3.ts';
 import { BailianProvider } from '@kevisual/ai';
 import * as schema from './db/schema.ts';
-import { drizzle } from 'drizzle-orm/node-postgres';
 import { config } from './modules/config.ts'
+import { db } from './modules/db.ts'
 export const router = useContextKey('router', () => new SimpleRouter());
 export const runtime = useContextKey('runtime', () => {
   return {
@@ -23,10 +23,7 @@ export { s3Client }
 export const redis = useContextKey('redis', () => redisLib.redis);
 export const subscriber = useContextKey('subscriber', () => redisLib.subscriber);
 export const sequelize = useContextKey('sequelize', () => sequelizeLib.sequelize);
-export const db = useContextKey('db', () => {
-  const db = drizzle(config.DATABASE_URL || '');
-  return db;
-})
+export { db };
 const init = () => {
   return new App({
     serverOptions: {