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/package.json

@@ -6,7 +6,8 @@
   "scripts": {
     "dev": "vite",
     "build": "vue-tsc -b && vite build",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "test": "vitest run"
   },
   "dependencies": {
     "@element-plus/icons-vue": "^2.3.2",
@@ -22,6 +23,7 @@
     "@vue/tsconfig": "^0.9.1",
     "typescript": "~6.0.2",
     "vite": "^8.2.0",
+    "vitest": "^4.1.11",
     "vue-tsc": "^3.3.8"
   }
 }