更新.gitignore以排除部署配置文件，删除不再使用的一键部署脚本，优化小程序部署流程，增强文档说明。

app/api/payment/wechat/transfer/notify/route.ts

@@ -0,0 +1,65 @@
+/**
+ * 微信支付 - 商家转账到零钱 结果通知
+ * 文档: 开发文档/提现功能完整技术文档.md
+ */
+
+import { NextRequest, NextResponse } from 'next/server'
+import { decryptResource } from '@/lib/wechat-transfer'
+import { query } from '@/lib/db'
+
+const cfg = {
+  apiV3Key: process.env.WECHAT_API_V3_KEY || process.env.WECHAT_MCH_KEY || '',
+}
+
+export async function POST(request: NextRequest) {
+  try {
+    const rawBody = await request.text()
+    const data = JSON.parse(rawBody) as {
+      event_type?: string
+      resource?: { ciphertext: string; nonce: string; associated_data: string }
+    }
+    if (data.event_type !== 'MCHTRANSFER.BILL.FINISHED' || !data.resource) {
+      return NextResponse.json({ code: 'SUCCESS' })
+    }
+    const { ciphertext, nonce, associated_data } = data.resource
+    const decrypted = decryptResource(
+      ciphertext,
+      nonce,
+      associated_data,
+      cfg.apiV3Key
+    ) as { out_bill_no?: string; state?: string; transfer_bill_no?: string }
+    const outBillNo = decrypted.out_bill_no
+    const state = decrypted.state
+    const transferBillNo = decrypted.transfer_bill_no || ''
+    if (!outBillNo) {
+      return NextResponse.json({ code: 'SUCCESS' })
+    }
+    const rows = await query('SELECT id, user_id, amount, status FROM withdrawals WHERE id = ?', [outBillNo]) as any[]
+    if (rows.length === 0) {
+      return NextResponse.json({ code: 'SUCCESS' })
+    }
+    const w = rows[0]
+    if (w.status !== 'processing') {
+      return NextResponse.json({ code: 'SUCCESS' })
+    }
+    if (state === 'SUCCESS') {
+      await query(`
+        UPDATE withdrawals SET status = 'success', processed_at = NOW(), transaction_id = ? WHERE id = ?
+      `, [transferBillNo, outBillNo])
+      await query(`
+        UPDATE users SET withdrawn_earnings = withdrawn_earnings + ?, pending_earnings = GREATEST(0, pending_earnings - ?) WHERE id = ?
+      `, [w.amount, w.amount, w.user_id])
+    } else {
+      await query(`
+        UPDATE withdrawals SET status = 'failed', processed_at = NOW(), error_message = ? WHERE id = ?
+      `, [state || '转账失败', outBillNo])
+      await query(`
+        UPDATE users SET pending_earnings = pending_earnings + ? WHERE id = ?
+      `, [w.amount, w.user_id])
+    }
+    return NextResponse.json({ code: 'SUCCESS' })
+  } catch (e) {
+    console.error('[WechatTransferNotify]', e)
+    return NextResponse.json({ code: 'FAIL', message: '处理失败' }, { status: 500 })
+  }
+}