fix(pdd): 长 SKU 精确名优先于短模板 contains，消除父子模板冲突

out_sku_sn「安卓血宴5钻带2璀璨」会被短名「安卓血宴5钻」contains 同分命中；精确相等提分，contains 按名称长度区分优先级。

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

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

@@ -317,20 +317,30 @@ function scoreWorkProductRule(order: OrderRow, item: OrderItemRow, rule: WorkPro
   const ruleSkuCode = normalizeMatchId(rule.sku_code)
   const ruleProductName = normalizeMatchText(rule.product_name)
   const skuCodeMatched = Boolean(ruleSkuCode && skuCodes.includes(ruleSkuCode))
-  const productNameMatched = ruleProductName
-    ? rule.match_type === 'exact'
-      ? skuNames.includes(ruleProductName) || skuCodes.includes(ruleProductName)
-      : skuNames.some((value) => value.includes(ruleProductName)) ||
-        skuCodes.some((value) => value.includes(ruleProductName))
-    : false
+  const exactProductName = Boolean(
+    ruleProductName && (skuNames.includes(ruleProductName) || skuCodes.includes(ruleProductName)),
+  )
+  const containsProductName = Boolean(
+    ruleProductName &&
+    !exactProductName &&
+    rule.match_type !== 'exact' &&
+    (skuNames.some((value) => value.includes(ruleProductName)) ||
+      skuCodes.some((value) => value.includes(ruleProductName))),
+  )
 
-  // sku_code 与 product_name 任一命中即可（不再要求两者同时成立，避免误填的 sku_code 挡住 out_sku_sn）
-  if (!skuCodeMatched && !productNameMatched) return null
-  if (skuCodeMatched && productNameMatched) {
-    return { rule, score: rule.match_type === 'exact' ? 300 : 220 }
+  // sku_code 与 product_name 任一命中即可
+  if (!skuCodeMatched && !exactProductName && !containsProductName) return null
+
+  // 同分冲突常见场景：短名「安卓血宴5钻」contains 命中长编码「安卓血宴5钻带2璀璨」
+  // 精确相等优先；contains 则更长的模板名更具体、分更高
+  let score = 100
+  if (exactProductName) {
+    score = 250
+  } else if (containsProductName) {
+    score = 100 + Math.min(80, ruleProductName.length)
   }
-  if (skuCodeMatched) return { rule, score: 120 }
-  return { rule, score: rule.match_type === 'exact' ? 150 : 100 }
+  if (skuCodeMatched) score += exactProductName || containsProductName ? 40 : 120
+  return { rule, score }
 }
 
 /** 拼多多常复用原快手模板；来源/平台残留 91kaquan、kuaishou 时不拦截 out_sku_sn 模板名匹配。 */

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

@@ -713,6 +713,36 @@ test('拼多多订单在 sku_code 误填时仍可按 product_name/out_sku_sn 命
   assert.equal(decision.rule?.id, rule.id)
 })
 
+test('长 out_sku_sn 在短模板名 contains 时可优先命中精确相等的长模板，避免冲突', () => {
+  const longRule = buildProductRule({
+    id: 101,
+    rule_key: 'rule-79bf8b3006ea',
+    product_name: '安卓血宴5钻带2璀璨',
+    match_type: 'contains',
+  })
+  const shortRule = buildProductRule({
+    id: 102,
+    rule_key: 'rule-f93c368547e1',
+    product_name: '安卓血宴5钻',
+    match_type: 'contains',
+  })
+  const order = { ...buildOrderRow(), provider: 'pdd', platform: 'pdd' }
+  const item = {
+    ...buildOrderItemRow(),
+    sku_code: '安卓血宴5钻带2璀璨',
+    sku_name: '安卓血宴5钻带2璀璨',
+    item_snapshot_json: {
+      out_sku_sn: '安卓血宴5钻带2璀璨',
+      spec: '安卓区（qv互通）,苏尔南-血宴5钻带2璀璨',
+    },
+  }
+
+  const decision = resolveMatchingProductRuleDecision(order, item, [longRule, shortRule], [])
+  assert.equal(decision.reason, 'matched')
+  assert.equal(decision.rule?.rule_key, 'rule-79bf8b3006ea')
+  assert.ok((decision.score || 0) > 100)
+})
+
 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',