feat(worker-platform): 商品名按来源追加可配置后缀

- 新增来源后缀配置（来源下拉、启停、备注，同一时间仅启用一个）
- 管理端列表/详情与打手端列表/详情/大厅展示「商品名（后缀）」
- 打手端 DTO 透出 sourceProvider，仅展示，不改写商品名
- 新增来源选项接口与前后端单测

apps/backend/src/routes/admin/worker-platform/config.ts

@@ -13,6 +13,7 @@ import {
   getAdminWorkerPlatformNotificationConfig,
   getAdminWorkerPlatformSummary,
   getAdminWorkerProductMatchConfig,
+  getAdminWorkerProductNameSuffixConfig,
   listAdminKuaishouMatchSources,
   listAdminWorkCategories,
   listAdminWorkProductMatchLogs,
@@ -20,6 +21,7 @@ import {
   listAdminWorkProductRuleMappings,
   listAdminWorkProductRules,
   listAdminWorkerLevels,
+  listWorkerProductNameSuffixSourceOptions,
   saveAdminWorkCategory,
   saveAdminWorkProductRule,
   saveAdminWorkProductRuleMapping,
@@ -29,6 +31,7 @@ import {
   saveAdminWorkerLevel,
   saveAdminWorkerPlatformNotificationConfig,
   saveAdminWorkerProductMatchConfig,
+  saveAdminWorkerProductNameSuffixConfig,
   syncAdminWorkProductRulePrice,
   testAdminKuaishouProductMatch,
   testAdminProductMatchByOrderItem,
@@ -309,6 +312,44 @@ router.post(
   }),
 )
 
+router.get(
+  '/worker-platform/product-name-suffix',
+  requireAdminRoles(['admin', 'operator', 'support']),
+  createJsonHandler(() => getAdminWorkerProductNameSuffixConfig(), {
+    successMessage: 'ok',
+    errorMessage: '读取商品名来源后缀配置失败',
+    scope: '[admin/worker-platform/product-name-suffix]',
+  }),
+)
+
+// 下拉选项来自工单资料里的来源标识，低频配置，给浏览器 5 分钟缓存。
+router.get(
+  '/worker-platform/product-name-suffix/sources',
+  requireAdminRoles(['admin', 'operator', 'support']),
+  setHttpCache(300),
+  createJsonHandler(() => listWorkerProductNameSuffixSourceOptions(), {
+    successMessage: 'ok',
+    errorMessage: '读取工单来源选项失败',
+    scope: '[admin/worker-platform/product-name-suffix/sources]',
+  }),
+)
+
+router.post(
+  '/worker-platform/product-name-suffix',
+  requireAdminRoles(['admin']),
+  createJsonHandler((req) => saveAdminWorkerProductNameSuffixConfig(req.body || {}), {
+    successMessage: '商品名来源后缀已保存',
+    errorMessage: '保存商品名来源后缀失败',
+    scope: '[admin/worker-platform/product-name-suffix]',
+    audit: (_req, data) => ({
+      action: 'worker_product_name_suffix_saved',
+      targetType: 'worker_product_name_suffix',
+      targetId: 'worker_product_name_suffix',
+      data: data && typeof data === 'object' ? (data as Record<string, unknown>) : {},
+    }),
+  }),
+)
+
 router.post(
   '/worker-platform/product-match-config',
   requireAdminRoles(['admin', 'operator']),