fix(pdd): 彻底修复拼多多模板匹配被来源/平台/sku_code 误拦截

PDD 复用快手模板时，残留的 91kaquan/kuaishou 与误填 sku_code 会让 out_sku_sn 对上模板名仍未命中；改为 OR 匹配并放行常见残留，同时在匹配测试返回拒绝原因诊断。

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

apps/frontend/src/pages/admin/panels/ProductMatchPanel.tsx

@@ -400,8 +400,19 @@ export default function ProductMatchPanel() {
                       </Descriptions.Item>
                     </Descriptions>
                     <JsonPreview
-                      value={{ mappingId: testResult.mappingId, candidates: testResult.candidates }}
+                      value={{
+                        mappingId: testResult.mappingId,
+                        candidates: testResult.candidates,
+                        diagnostics: testResult.diagnostics,
+                      }}
                     />
+                    {testResult.status !== 'matched' &&
+                    testResult.diagnostics?.rejectSamples?.length ? (
+                      <Typography.Paragraph type="secondary" style={{ marginBottom: 0 }}>
+                        相近未命中模板原因见上方 diagnostics.rejectSamples（常见：来源/平台写成
+                        91kaquan/kuaishou、shop_id 绑错店、sku_code 与 out_sku_sn 不一致）。
+                      </Typography.Paragraph>
+                    ) : null}
                   </div>
                 ) : null}
               </div>

apps/frontend/src/services/admin/worker-platform.ts

@@ -349,6 +349,26 @@ export function testAdminKuaishouProductMatch(rawPayload: string) {
     mappingId: number | null
     rule: WorkProductRule | null
     candidates: Array<{ ruleKey: string; score: number; mappingId: number | null }>
+    diagnostics?: {
+      outSkuSn: string
+      orderProvider: string
+      orderPlatform: string
+      orderShopId: string
+      contextSellerId: string
+      legacyFallbackEnabled: boolean
+      useLegacyFallback: boolean
+      enabledRules: number
+      enabledMappings: number
+      rejectSamples: Array<{
+        ruleKey: string
+        productName: string
+        provider: string
+        platform: string
+        shopId: string
+        skuCode: string
+        reason: string
+      }>
+    }
   }>('/api/v1/admin/worker-platform/product-match-test', { rawPayload })
 }