feat(web): 增加统一认证接入与运维页面

系统设置新增统一认证配对、验证、激活、重验证、回滚与禁用流程，安全事件改为统一能力状态。前端登录入口运行时读取公开配置，不再依赖 VITE_OIDC 构建变量。\n\n验证：web 31 项测试；web typecheck；pnpm lint；web production build

apps/web/src/styles/pages.css

@@ -1995,6 +1995,44 @@
   line-height: 1.45;
 }
 
+.identityHealthGrid {
+  display: grid;
+  grid-template-columns: repeat(4, minmax(0, 1fr));
+  gap: 10px;
+}
+
+.identityHealthItem {
+  align-items: center;
+  background: var(--color-surface-subtle, #f8fafc);
+  border: 1px solid var(--color-border, #e2e8f0);
+  border-radius: 10px;
+  display: flex;
+  justify-content: space-between;
+  min-height: 52px;
+  padding: 10px 12px;
+}
+
+.identityCheckbox {
+  align-items: center;
+  border: 1px solid var(--color-border, #e2e8f0);
+  border-radius: 10px;
+  display: flex;
+  gap: 10px;
+  min-height: 66px;
+  padding: 10px 12px;
+}
+
+.identityCheckbox span,
+.identityCheckbox small {
+  display: block;
+}
+
+@media (max-width: 900px) {
+  .identityHealthGrid {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+}
+
 .fileStorageGrid {
   display: grid;
   grid-template-columns: repeat(2, minmax(0, 1fr));