feat(staffchat): 入口改造(StaffList/CustomerList微信行切新页)+useStaffProfile缓存+StatsPane固定列/金额格式+vitest依赖化

Co-Authored-By: Claude <noreply@anthropic.com>

yunkes/tsconfig.app.json

@@ -15,8 +15,9 @@
     "noFallthroughCasesInSwitch": true
   },
   "include": ["src/**/*.ts", "src/**/*.tsx", "src/**/*.vue"],
-  // vitest specs use `import from 'vitest'`, which isn't installed yet — keep
-  // them out of the app type-check (create-vue scaffold pattern; wire a
-  // tsconfig.vitest.json once vitest lands).
+  // vitest specs are run by vitest (own type resolution via `vitest` import),
+  // not part of the app build — keep them out of the app type-check
+  // (create-vue scaffold pattern; a dedicated tsconfig.vitest.json could
+  // type-check them separately if ever needed).
   "exclude": ["src/**/__tests__/*"]
 }