优化提现流程，新增用户确认模式以支持待用户确认的转账，更新相关API和数据库结构以确保数据一致性。同时，调整小程序界面以展示待确认收款信息，提升用户体验。

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

@@ -1,11 +1,12 @@
 /**
  * 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
+ * 支持：processing（原批量转账）、pending_confirm（用户确认模式）终态后更新为 success 并增加用户已提现
  */
 
 import { NextRequest, NextResponse } from 'next/server'
 import { decryptResource } from '@/lib/wechat-transfer'
-import { query } from '@/lib/db'
+import { prisma } from '@/lib/prisma'
 
 const cfg = {
   apiV3Key: process.env.WECHAT_API_V3_KEY || process.env.WECHAT_MCH_KEY || '',
@@ -34,29 +35,65 @@ export async function POST(request: NextRequest) {
     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) {
+
+    const w = await prisma.withdrawals.findUnique({
+      where: { id: outBillNo },
+      select: { id: true, user_id: true, amount: true, status: true },
+    })
+    if (!w) {
       return NextResponse.json({ code: 'SUCCESS' })
     }
-    const w = rows[0]
-    if (w.status !== 'processing') {
+    // 仅处理「处理中」或「待用户确认」的终态回调
+    if (w.status !== 'processing' && w.status !== 'pending_confirm') {
       return NextResponse.json({ code: 'SUCCESS' })
     }
+
+    const amount = Number(w.amount)
+
     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])
+      await prisma.$transaction(async (tx) => {
+        await tx.withdrawals.update({
+          where: { id: outBillNo },
+          data: {
+            status: 'success',
+            processed_at: new Date(),
+            transaction_id: transferBillNo,
+          },
+        })
+        const user = await tx.users.findUnique({
+          where: { id: w.user_id },
+          select: { withdrawn_earnings: true, pending_earnings: true },
+        })
+        const curWithdrawn = Number(user?.withdrawn_earnings ?? 0)
+        const curPending = Number(user?.pending_earnings ?? 0)
+        await tx.users.update({
+          where: { id: w.user_id },
+          data: {
+            withdrawn_earnings: curWithdrawn + amount,
+            pending_earnings: Math.max(0, curPending - amount),
+          },
+        })
+      })
     } 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])
+      await prisma.withdrawals.update({
+        where: { id: outBillNo },
+        data: {
+          status: 'failed',
+          processed_at: new Date(),
+          error_message: state || '转账失败',
+        },
+      })
+      const user = await prisma.users.findUnique({
+        where: { id: w.user_id },
+        select: { pending_earnings: true },
+      })
+      const curPending = Number(user?.pending_earnings ?? 0)
+      await prisma.users.update({
+        where: { id: w.user_id },
+        data: { pending_earnings: curPending + amount },
+      })
     }
+
     return NextResponse.json({ code: 'SUCCESS' })
   } catch (e) {
     console.error('[WechatTransferNotify]', e)