chore: 初始化仓库基线（AGENTS.md、git 规范、敏感文件排除）

miniapp/src/services/cloud.ts

@@ -0,0 +1,27 @@
+import Taro from '@tarojs/taro'
+
+const isWeapp = process.env.TARO_ENV === 'weapp'
+
+export async function callFunction<T = any>(
+  name: string,
+  data?: Record<string, any>
+): Promise<T> {
+  if (!isWeapp) {
+    const mockModule = await import(`../data/${name}`)
+    return mockModule.default(data) as T
+  }
+  const res = await Taro.cloud.callFunction({ name, data })
+  const result = res.result as { code: number; message: string; data: T }
+  if (result.code !== 0) {
+    console.error(`[Cloud] ${name} failed:`, result.message)
+    throw new Error(result.message || '请求失败')
+  }
+  return result.data
+}
+
+export function getDatabase() {
+  if (!isWeapp) {
+    return null
+  }
+  return Taro.cloud.database()
+}