Initial commit: Add project files

frontend/src/app/queryClient.ts

@@ -0,0 +1,17 @@
+import { QueryClient } from '@tanstack/vue-query'
+
+export const queryClient = new QueryClient({
+  defaultOptions: {
+    queries: {
+      staleTime: 30_000,
+      retry: (failureCount, error: unknown) => {
+        const status = typeof error === 'object' && error !== null && 'status' in error
+          ? Number((error as { status: unknown }).status)
+          : 0
+        return ![400, 401, 403, 404, 409, 422].includes(status) && failureCount < 2
+      },
+      refetchOnWindowFocus: false
+    },
+    mutations: { retry: false }
+  }
+})

frontend/src/app/router.ts

@@ -0,0 +1,16 @@
+import { createRouter, createWebHistory } from 'vue-router'
+import SellDecisionPage from '../features/sell-decision/pages/SellDecisionPage.vue'
+import DataQualityPage from '../features/data-quality/pages/DataQualityPage.vue'
+import ModelOperationsPage from '../features/model-operations/pages/ModelOperationsPage.vue'
+import UiStandardPage from '../features/ui-standard/pages/UiStandardPage.vue'
+
+export const router = createRouter({
+  history: createWebHistory(),
+  routes: [
+    { path: '/', redirect: '/research/sell-decision' },
+    { path: '/research/sell-decision', component: SellDecisionPage, meta: { screenId: 'SCR-002', templateId: 'T02' } },
+    { path: '/ops/data-quality', component: DataQualityPage, meta: { screenId: 'SCR-013', templateId: 'T08' } },
+    { path: '/ops/model-operations', component: ModelOperationsPage, meta: { screenId: 'SCR-015', templateId: 'T10' } },
+    { path: '/internal/ui-standard', component: UiStandardPage, meta: { screenId: 'SCR-DEV-001', templateId: 'T01', internalOnly: true } }
+  ]
+})