修复全量审查问题;接入vitest;精简IdP图标逻辑

vitest.config.ts

@@ -0,0 +1,15 @@
+import { fileURLToPath } from 'node:url'
+import { defineConfig } from 'vitest/config'
+
+// 测试独立配置,不复用 vite.config:其 PWA/手动分包插件与单测无关且拖慢启动
+export default defineConfig({
+  resolve: {
+    alias: {
+      '@': fileURLToPath(new URL('./src', import.meta.url)),
+    },
+  },
+  test: {
+    environment: 'happy-dom',
+    include: ['src/**/*.test.ts'],
+  },
+})