feat(order): 平台派单闭环（发需求单进入待接单池）

- 下单页新增「指定大神 / 平台派单」模式：平台派单填品类、预算、地点/选点，expertId=0

- 服务端：平台派单单据支付后进入待接单池（余额支付即时入池，微信支付确认后入池），预算由买家出价但受 1~2000 元/小时约束

- 抢单由认领大神写入 expert_id 并转履约中；30 分钟无人接单沿用自动全额退款

- 修复订单 INSERT 占位符少一个导致下单报 Column count doesn't match 的问题，并新增列数/占位符一致性护栏

- 111 套件/737 用例全绿；线上 1 元实测：下单→待接单→池内 640m，测试数据已回滚

pwuniapp/pages/order/create.vue

@@ -1,7 +1,21 @@
 <template>
   <view class="create-order-container" :class="{ 'theme-warm': currentThemeKey === 'warm' }">
+    <!-- 下单模式切换：指定大神 / 平台派单 -->
+    <view class="order-card mode-card">
+      <view class="mode-tabs">
+        <view class="mode-tab btn-active" :class="{ active: orderMode === 'EXPERT' }" @click="switchMode('EXPERT')">
+          <text class="mode-title">指定大神</text>
+          <text class="mode-desc">按大神定价直接下单</text>
+        </view>
+        <view class="mode-tab btn-active" :class="{ active: orderMode === 'PLATFORM' }" @click="switchMode('PLATFORM')">
+          <text class="mode-title">平台派单</text>
+          <text class="mode-desc">发布需求 · 附近大神抢单</text>
+        </view>
+      </view>
+    </view>
+
     <!-- 服务大神与项目信息 -->
-    <view class="order-card">
+    <view class="order-card" v-if="!isPlatformMode">
       <view class="expert-profile">
         <image class="expert-avatar" :src="expert.avatar" mode="aspectFill" />
         <view class="expert-meta">
@@ -17,6 +31,30 @@
       </view>
     </view>
 
+    <!-- 平台派单：品类与预算 -->
+    <view class="order-card" v-if="isPlatformMode">
+      <view class="section-title">需求品类</view>
+      <view class="platform-cats">
+        <view
+          v-for="cat in platformCategories"
+          :key="cat"
+          class="platform-cat btn-active"
+          :class="{ active: platformCategory === cat }"
+          @click="selectPlatformCategory(cat)"
+        >
+          {{ cat }}
+        </view>
+      </view>
+      <view class="remark-row">
+        <text class="cell-label">预算 (元/小时)</text>
+        <input class="remark-input" type="digit" v-model="platformBudget" placeholder="如 88" placeholder-class="ph" />
+      </view>
+      <view class="safety-tip-card">
+        <image class="safety-icon-svg" :src="ICONS.shield" mode="aspectFit" />
+        <text class="safety-text">支付后进入附近大神派单池，5km 内认证大神可抢单；30 分钟内无人接单将自动全额退款。</text>
+      </view>
+    </view>
+
     <!-- 数量/时长步进器 -->
     <view class="order-card">
       <view class="stepper-row">
@@ -240,7 +278,7 @@
 <script setup>
 import { ref, computed, onMounted, onUnmounted } from 'vue';
 import { onLoad, onShow } from '@dcloudio/uni-app';
-import { createOrder, payOrder as payOrderApi, requestWechatPayment, getCompanionDetail, getUserProfile, getMyCoupons } from '@/common/api.js';
+import { createOrder, payOrder as payOrderApi, requestWechatPayment, getCompanionDetail, getUserProfile, getMyCoupons, normalizeUserId } from '@/common/api.js';
 import { preloadSubscribeTemplates, requestSubscribeFor } from '@/common/subscribe.js';
 import { ICONS } from '@/common/icons.js';
 import { getCurrentThemeKey, applyThemeToNativeUI } from '@/common/theme.js';
@@ -329,6 +367,27 @@ const remark = ref('');
 const meetVenue = ref('朝阳大悦城海底捞');
 const meetCoords = ref({ latitude: null, longitude: null });
 
+// 下单模式：EXPERT=指定大神，PLATFORM=平台派单（发布需求，附近大神抢单）
+const orderMode = ref('EXPERT');
+const platformCategory = ref('同城美食陪吃');
+const platformBudget = ref(88);
+const platformCategories = ['同城美食陪吃', '下午茶陪喝', '同城KTV陪唱', '同城陪玩', '线上电竞开黑'];
+const isPlatformMode = computed(() => orderMode.value === 'PLATFORM');
+
+const selectPlatformCategory = (cat) => {
+  platformCategory.value = cat;
+};
+
+const switchMode = (mode) => {
+  if (mode === orderMode.value) return;
+  orderMode.value = mode;
+  if (mode === 'PLATFORM') {
+    // 平台派单必须由买家重新选点，避免沿用指定大神页的默认地点造成错误距离
+    meetVenue.value = '';
+    meetCoords.value = { latitude: null, longitude: null };
+  }
+};
+
 const pickVenue = () => {
   // #ifdef MP-WEIXIN || APP-PLUS
   uni.chooseLocation({
@@ -352,6 +411,7 @@ const pickVenue = () => {
 const expenseBurden = ref('AA');
 
 const isOffline = computed(() => {
+  if (isPlatformMode.value) return platformCategory.value !== '线上电竞开黑';
   return expert.value && (
     expert.value.track === 'OFFLINE_MEAL' ||
     expert.value.track === 'OFFLINE_DRINK' ||
@@ -412,6 +472,9 @@ onLoad(async (query) => {
 });
 
 const rawTotal = computed(() => {
+  if (isPlatformMode.value) {
+    return (Number(platformBudget.value) || 0) * hours.value;
+  }
   return (selectedService.value ? selectedService.value.price : 35) * hours.value;
 });
 
@@ -516,6 +579,17 @@ const handlePay = async () => {
   if (!ensureLoginOrRedirect('/pages/order/create')) {
     return;
   }
+  // 平台派单校验：品类预算与碰面地点
+  if (isPlatformMode.value) {
+    if (!(Number(platformBudget.value) > 0)) {
+      uni.showToast({ title: '请填写有效的预算（元/小时）', icon: 'none' });
+      return;
+    }
+    if (isOffline.value && !String(meetVenue.value || '').trim()) {
+      uni.showToast({ title: '请填写或选择碰面地点', icon: 'none' });
+      return;
+    }
+  }
   // 下单/支付前请求一次性订阅授权（订单状态 + 核销码通知）
   requestSubscribeFor('order');
   if (payMethod.value === 'BALANCE' && Number(userBalance.value) < finalTotal.value) {
@@ -523,18 +597,23 @@ const handlePay = async () => {
     return;
   }
 
-  const uid = Number(uni.getStorageSync('userId') || currentUserId.value || 1001);
-  const serviceTitle = selectedService.value ? selectedService.value.title : `${expert.value.game}专属服务`;
+  const uid = normalizeUserId();
+  const isPlatform = isPlatformMode.value;
+  const serviceTitle = isPlatform
+    ? `${platformCategory.value} · 平台派单需求`
+    : (selectedService.value ? selectedService.value.title : `${expert.value.game}专属服务`);
   const usingUserCoupon = currentCoupon.value && currentCoupon.value.id && currentCoupon.value.id !== 'c_none';
   const basePayload = {
     buyerId: uid,
     clientName: currentUserName.value || '超能电竞玩家',
-    expertId: expert.value.id,
-    companionName: expert.value.nickname,
-    expertAvatar: expert.value.avatar,
-    track: expert.value.game || (isOffline.value ? '同城生活' : '线上电竞'),
+    expertId: isPlatform ? 0 : expert.value.id,
+    companionName: isPlatform ? '平台派单' : expert.value.nickname,
+    expertAvatar: isPlatform ? '' : expert.value.avatar,
+    track: isPlatform ? platformCategory.value : (expert.value.game || (isOffline.value ? '同城生活' : '线上电竞')),
     serviceTitle,
-    hourlyRate: selectedService.value ? selectedService.value.price : (expert.value.price || 35),
+    hourlyRate: isPlatform
+      ? (Number(platformBudget.value) || 88)
+      : (selectedService.value ? selectedService.value.price : (expert.value.price || 35)),
     durationHours: hours.value,
     amount: finalTotal.value,
     couponDiscount: usingUserCoupon ? 0 : discount.value,
@@ -647,6 +726,66 @@ const handlePay = async () => {
   margin-bottom: 24rpx;
   border: 1px solid var(--border-subtle);
 
+  &.mode-card {
+    padding: 20rpx;
+  }
+
+  .mode-tabs {
+    display: flex;
+    gap: 16rpx;
+
+    .mode-tab {
+      flex: 1;
+      display: flex;
+      flex-direction: column;
+      align-items: center;
+      justify-content: center;
+      gap: 6rpx;
+      padding: 18rpx 12rpx;
+      border-radius: 18rpx;
+      border: 1px solid var(--border-subtle);
+      background: var(--bg-surface-elevated);
+
+      &.active {
+        border-color: #10B981;
+        background: rgba(16, 185, 129, 0.12);
+      }
+
+      .mode-title {
+        font-size: 28rpx;
+        font-weight: 600;
+        color: var(--text-primary);
+      }
+
+      .mode-desc {
+        font-size: 22rpx;
+        color: var(--text-muted);
+      }
+    }
+  }
+
+  .platform-cats {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 14rpx;
+    margin: 16rpx 0 8rpx;
+
+    .platform-cat {
+      padding: 12rpx 22rpx;
+      border-radius: 28rpx;
+      font-size: 24rpx;
+      color: var(--text-secondary);
+      background: var(--bg-surface-elevated);
+      border: 1px solid var(--border-subtle);
+
+      &.active {
+        color: #FFFFFF;
+        border-color: transparent;
+        background: linear-gradient(135deg, #10B981 0%, #059669 100%);
+      }
+    }
+  }
+
   .expert-profile {
     display: flex;
     align-items: center;

server/src/db/repository.ts

@@ -1458,15 +1458,21 @@ export class MysqlRepository {
       throw err;
     }
     const clientName = data.clientName || '超能电竞玩家';
-    const expertId = Number(data.expertId) || 101;
-    const companionName = data.companionName || '同城大神';
+    // 平台派单：不指定大神（expertId=0），进入待接单池由附近大神抢单
+    const isMarketplace = !Number(data.expertId) || Number(data.expertId) <= 0;
+    const expertId = isMarketplace ? 0 : Number(data.expertId);
+    const companionName = data.companionName || (isMarketplace ? '平台派单' : '同城大神');
     const expertAvatar = data.expertAvatar || 'https://images.unsplash.com/photo-1534528741775-53994a69daeb?w=120';
     const track = data.track || '同城生活';
     const serviceTitle = data.serviceTitle || `${track} · 专业陪伴服务`;
     const durationHours = Math.min(24, Math.max(1, Math.round(Number(data.durationHours) || 2)));
 
-    // 服务单价以服务端大神档案为准（本人基础价，或该大神名下服务包价格），杜绝客户端自定义低价
+    // 服务单价以服务端大神档案为准（本人基础价，或该大神名下服务包价格），杜绝客户端自定义低价。
+    // 平台派单没有大神档案，由买家出预算（服务端做上下限约束）。
     let hourlyRate = Number(data.hourlyRate) || 35;
+    if (isMarketplace) {
+      hourlyRate = Math.min(2000, Math.max(1, Number(data.hourlyRate) || 35));
+    } else {
       try {
         const comp = await this.resolveCompanionRow(expertId);
         if (comp) {
@@ -1483,6 +1489,7 @@ export class MysqlRepository {
       } catch (e) {
         logServerError('createOrder.validateRate', e);
       }
+    }
 
     // 优惠券：优先使用"我的券"(userCouponId，校验归属/门槛/类目/有效期)，否则退回面额匹配平台有效券
     const baseAmount = Number((hourlyRate * durationHours).toFixed(2));
@@ -1513,7 +1520,10 @@ export class MysqlRepository {
     const verifyCode = String(Math.floor(1000 + Math.random() * 9000));
     const remark = data.remark || '';
     // 初始订单状态由服务端按支付方式决定，杜绝客户端创建"已支付/已履约/已完成"订单绕过付款
-    const status = payType === 'BALANCE' ? '履约中' : '待付款';
+    // 平台派单：余额支付后直接进入待接单池；微信支付则先待付款，支付确认后转入待接单
+    const status = payType === 'BALANCE'
+      ? (isMarketplace ? '待接单' : '履约中')
+      : '待付款';
 
     const conn = await pool.getConnection();
     try {
@@ -1548,7 +1558,7 @@ export class MysqlRepository {
           expense_burden, hourly_rate, duration_hours, amount,
           coupon_discount, user_coupon_id, pay_type,
           location, latitude, longitude, verify_code, remark, status, paid_at, created_at
-        ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ${status === '待付款' ? 'NULL' : 'NOW()'}, NOW())
+        ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ${status === '待付款' ? 'NULL' : 'NOW()'}, NOW())
       `, [
         id, buyerId, expertId, orderNo, clientName,
         companionName, expertAvatar, track, serviceTitle,
@@ -1696,6 +1706,7 @@ export class MysqlRepository {
       id: r.id,
       orderNo: r.orderNo,
       buyerId: Number(r.buyerId) || 0,
+      expertId: Number(r.expertId) || 0,
       amount: Number(r.amount) || 0,
       companionName: r.companionName || '',
       status: r.status,

server/src/index.ts

@@ -2222,8 +2222,20 @@ app.post('/api/orders/:id/pay', async (req: Request, res: Response) => {
       if (!paid) {
         return res.status(400).json({ code: 40000, message: '微信支付尚未完成，无法确认订单支付' });
       }
-      const order = await repo.updateOrderStatus(orderId, '履约中');
+      const isMarketplace = !Number(own.expertId);
+      const paidStatus = isMarketplace ? '待接单' : '履约中';
+      const order = await repo.updateOrderStatus(orderId, paidStatus);
       const buyer = Number(own.buyerId || 0);
+      if (isMarketplace) {
+        pushUserNotification(
+          buyer,
+          'ORDER_STATUS',
+          '支付成功，等待大神接单',
+          `订单 ${order?.order_no || orderId} 已支付，正在为您匹配附近大神；30 分钟内无人接单将自动全额退款。`,
+          '/pages/order/list'
+        );
+        return res.json({ code: 20000, data: order, message: '支付成功，已进入派单池，等待附近大神接单' });
+      }
       pushUserNotification(buyer, 'ORDER_STATUS', '订单已开始服务', `订单 ${order?.order_no || orderId} 已进入履约中${order?.verify_code ? `，核销码 ${order.verify_code}` : ''}，请按时到场。`, '/pages/order/list');
       void notifyBySubscribe('orderStatus', {
         userId: buyer,
@@ -2244,7 +2256,7 @@ app.post('/api/orders/:id/pay', async (req: Request, res: Response) => {
     }
 
     // 沙箱仅允许推进到「已支付待履约」的合法状态，严禁客户端任意指定终态或退款态
-    const requested = String(req.body?.targetStatus || '履约中');
+    const requested = String(req.body?.targetStatus || (Number(own.expertId) ? '履约中' : '待接单'));
     const allowedSandboxStatuses = ['履约中', '待接单'];
     if (!allowedSandboxStatuses.includes(requested)) {
       return res.status(400).json({ code: 40000, message: `非法的目标订单状态: ${requested}` });

server/tests/payment-amount-integrity.spec.ts

@@ -12,7 +12,7 @@ describe('第十九批支付金额完整性闸门', () => {
 
   it('订单归属解析必须携带订单金额', () => {
     const start = repoCode.indexOf('async getOrderOwnership(');
-    const block = repoCode.slice(start, start + 900);
+    const block = repoCode.slice(start, start + 1000);
     expect(block).toContain('o.amount');
     expect(block).toContain('amount: Number(r.amount)');
   });

server/tests/platform-dispatch.spec.ts

@@ -0,0 +1,63 @@
+// 已读取AGENTS.md
+import * as fs from 'fs';
+import * as path from 'path';
+
+/**
+ * 第九十五批：平台派单（发需求单）闭环闸门。
+ * 背景：抢单池只查 status='待接单'，但下单流程全是「指定大神 → 支付 → 履约中」，
+ * 没有任何流程产出待接单订单，导致雷达/接单大厅永远是空池。
+ */
+describe('第九十五批平台派单闭环', () => {
+  const root = path.resolve(__dirname, '../../');
+  const read = (rel: string) => fs.readFileSync(path.join(root, rel), 'utf-8');
+  const repo = read('server/src/db/repository.ts');
+  const indexCode = read('server/src/index.ts');
+  const createPage = read('pwuniapp/pages/order/create.vue');
+
+  it('平台派单订单 expertId=0，余额支付后直接进入待接单池', () => {
+    expect(repo).toContain('const isMarketplace = !Number(data.expertId)');
+    expect(repo).toContain("const expertId = isMarketplace ? 0 : Number(data.expertId)");
+    expect(repo).toContain("isMarketplace ? '待接单' : '履约中'");
+  });
+
+  it('平台派单预算由买家出价但受服务端上下限约束', () => {
+    expect(repo).toContain('hourlyRate = Math.min(2000, Math.max(1, Number(data.hourlyRate) || 35))');
+  });
+
+  it('微信支付确认后：无大神订单转入待接单而不是履约中', () => {
+    expect(indexCode).toContain("const paidStatus = isMarketplace ? '待接单' : '履约中'");
+    expect(indexCode).toContain('已进入派单池，等待附近大神接单');
+    expect(indexCode).toContain('30 分钟内无人接单将自动全额退款');
+  });
+
+  it('抢单后由认领大神写入 expert_id 并进入履约中', () => {
+    expect(repo).toContain("SET status = '履约中', expert_id = ?, companion_name = ?");
+    expect(repo).toContain("AND status = '待接单'");
+  });
+
+  it('下单页提供「平台派单」模式并提交 expertId=0', () => {
+    expect(createPage).toContain("const orderMode = ref('EXPERT')");
+    expect(createPage).toContain('platformCategories');
+    expect(createPage).toContain('expertId: isPlatform ? 0 : expert.value.id');
+    expect(createPage).toContain('平台派单需求');
+  });
+
+  it('平台派单时不会沿用指定大神页的默认地点', () => {
+    expect(createPage).toContain('const switchMode = (mode) =>');
+    expect(createPage).toContain("meetVenue.value = '';");
+  });
+
+  it('订单 INSERT 的列数必须与占位符数量一致（含 paid_at/created_at 两个表达式值）', () => {
+    const start = repo.indexOf('INSERT INTO orders');
+    const end = repo.indexOf('`, [', start);
+    const seg = repo.slice(start, end);
+    const columns = seg
+      .slice(seg.indexOf('(') + 1, seg.indexOf(')'))
+      .split(',')
+      .filter((s) => s.trim()).length;
+    const values = seg.slice(seg.indexOf('VALUES'));
+    const placeholders = (values.replace(/\$\{[^}]*\}/g, '').match(/\?/g) || []).length;
+    expect(columns).toBe(24);
+    expect(placeholders + 2).toBe(columns);
+  });
+});

server/tests/settlement-gate.spec.ts

@@ -18,8 +18,8 @@ describe('第二十三批结算状态闸门', () => {
 
   it('订单初始状态必须由服务端按支付方式决定', () => {
     const start = repoCode.indexOf('async createOrder(');
-    const block = repoCode.slice(start, start + 4200);
-    expect(block).toContain("const status = payType === 'BALANCE' ? '履约中' : '待付款';");
+    const block = repoCode.slice(start, start + 5200);
+    expect(block).toContain("? (isMarketplace ? '待接单' : '履约中')");
     expect(block).not.toContain('const status = data.status ||');
   });
 });