fix(wbs-ux): resolve vite 8 build type errors, install missing xlsx dependency and fix ag-grid cellstyle

src/frontend/package.json

@@ -17,8 +17,10 @@
     "pinia": "^4.0.2",
     "primevue": "^4.3.1",
     "vue": "^3.5.39",
-    "vue-router": "^4.6.4"
+    "vue-router": "^4.6.4",
+    "xlsx": "^0.18.5"
   },
+
   "devDependencies": {
     "@types/node": "^24.13.2",
     "@vitejs/plugin-vue": "^6.0.7",

src/frontend/src/views/SnapshotAdminView.vue

@@ -52,7 +52,8 @@ const columnDefs = ref<ColDef[]>([
   { 
     headerName: '에러 건수', field: 'totalErrors', 
     type: 'numericColumn',
-    cellStyle: params => params.value > 0 ? { color: '#e74c3c', fontWeight: 'bold' } : { color: '#2ecc71' }
+    cellStyle: params => params.value > 0 ? { color: '#e74c3c', fontWeight: 'bold' } : { color: '#2ecc71', fontWeight: 'normal' }
+
   },
   { 
     headerName: '실행 상태', field: 'status',

src/frontend/vite.config.ts

@@ -1,9 +1,12 @@
-import { defineConfig } from 'vite'
+import { defineConfig } from 'vitest/config'
 import vue from '@vitejs/plugin-vue'
 
+
+
 // https://vite.dev/config/
 export default defineConfig({
-  plugins: [vue()],
+  plugins: [vue() as any],
+
   test: {
     environment: 'jsdom',
     globals: true