后端拆分运行时配置模块

apps/backend/src/config/runtime-loader.ts

@@ -0,0 +1,15 @@
+import fs from 'node:fs'
+import { createRequire } from 'node:module'
+
+import { isPlainObject } from './runtime-merge.js'
+
+const require = createRequire(import.meta.url)
+
+export function loadConfig(configPath: string): Record<string, unknown> {
+  if (!fs.existsSync(configPath)) {
+    return {}
+  }
+
+  const loaded = require(configPath)
+  return isPlainObject(loaded) ? loaded : {}
+}