fix(pdd): 无店铺上下文时跳过快手结构化匹配，按模板名/out_sku_sn 命中

模板残留的 match_json.sellerId 等字段会让拼多多订单误入结构化分支并直接未命中；仅快手有 sellerId 时才走该路径。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/backend/src/services/worker-platform/work-product-match-mappers.ts

@@ -270,7 +270,10 @@ function scoreWorkProductRule(order: OrderRow, item: OrderItemRow, rule: WorkPro
       !['itemTitleMatchType', 'skuNickMatchType'].includes(key) && String(value || '').trim(),
   )
 
-  if (hasStructuredMatch) {
+  // 结构化 match_json（sellerId/skuNick 等）是快手发码路径；拼多多等无店铺上下文的订单
+  // 若误入该分支，常因缺 sellerId 直接失败，且不会回退到模板名/out_sku_sn。
+  // 仅当订单带有店铺上下文时才走结构化匹配。
+  if (hasStructuredMatch && context.sellerId) {
     let score = 100
     if (!matchCondition(context.sellerId, match.sellerId)) return null
     if (match.sellerId) score += 1000

apps/backend/src/services/worker-platform/worker-platform-service.test.ts

@@ -631,6 +631,41 @@ test('拼多多订单在结构化 match_json 下仍可用 out_sku_sn 命中', ()
   assert.equal(decision.rule?.id, rule.id)
 })
 
+test('拼多多订单忽略模板残留的快手结构化 match_json，按 out_sku_sn 命中模板名', () => {
+  const rule = buildProductRule({
+    provider: '',
+    platform: '',
+    product_name: '安卓怒嚎1钻',
+    match_type: 'contains',
+    // 历史保存残留的快手字段：若强制走结构化会因缺 sellerId 直接未命中
+    match_json: {
+      sellerId: '2174663396',
+      relItemId: '961856378217',
+      skuNick: '安卓怒嚎1钻',
+      skuNickMatchType: 'exact',
+    },
+  })
+  const order = { ...buildOrderRow(), provider: 'pdd', platform: 'pdd', shop_id: 'pdd_shop_1' }
+  const item = {
+    ...buildOrderItemRow(),
+    sku_code: '安卓怒嚎1钻',
+    sku_name: '安卓怒嚎1钻',
+    item_snapshot_json: {
+      goodsId: '961856378217',
+      goods_id: '961856378217',
+      spec: '安卓区（qv互通）,苏尔南-怒嚎1钻',
+      outSkuSn: '安卓怒嚎1钻',
+      out_sku_sn: '安卓怒嚎1钻',
+    },
+  }
+
+  const decision = resolveMatchingProductRuleDecision(order, item, [rule], [], {
+    legacyFallbackEnabled: false,
+  })
+  assert.equal(decision.reason, 'matched')
+  assert.equal(decision.rule?.id, rule.id)
+})
+
 test('拼多多订单缺少 out_sku_sn 且 spec 不含规则名时不命中', () => {
   const rule = buildProductRule({
     provider: 'pdd',