diff --git a/adminfront/src/features/user-groups/routes/TenantUserGroupsTab.tsx b/adminfront/src/features/user-groups/routes/TenantUserGroupsTab.tsx
index 942e0e00..8a053d7c 100644
--- a/adminfront/src/features/user-groups/routes/TenantUserGroupsTab.tsx
+++ b/adminfront/src/features/user-groups/routes/TenantUserGroupsTab.tsx
@@ -231,10 +231,7 @@ export function TenantUserGroupsTab() {
         t("msg.admin.groups.list.delete_success", "그룹이 삭제되었습니다."),
       );
       groupsQuery.refetch();
-      if (
-        selectedGroupId &&
-        selectedGroupId === deleteMutation.variables
-      ) {
+      if (selectedGroupId && selectedGroupId === deleteMutation.variables) {
         setSelectedGroupId(null);
       }
     },
diff --git a/adminfront/src/features/user-groups/routes/UserGroupDetailPage.tsx b/adminfront/src/features/user-groups/routes/UserGroupDetailPage.tsx
index 59091292..98b9f9c7 100644
--- a/adminfront/src/features/user-groups/routes/UserGroupDetailPage.tsx
+++ b/adminfront/src/features/user-groups/routes/UserGroupDetailPage.tsx
@@ -96,7 +96,8 @@ export function UserGroupDetailPage() {
   });
 
   const addMemberMutation = useMutation({
-    mutationFn: (userId: string) => addGroupMember(tenantId ?? "", id ?? "", userId),
+    mutationFn: (userId: string) =>
+      addGroupMember(tenantId ?? "", id ?? "", userId),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ["user-group-detail", id] });
       setIsAddMemberOpen(false);
@@ -115,7 +116,8 @@ export function UserGroupDetailPage() {
   });
 
   const removeMemberMutation = useMutation({
-    mutationFn: (userId: string) => removeGroupMember(tenantId ?? "", id ?? "", userId),
+    mutationFn: (userId: string) =>
+      removeGroupMember(tenantId ?? "", id ?? "", userId),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ["user-group-detail", id] });
       toast.success(
@@ -129,7 +131,12 @@ export function UserGroupDetailPage() {
 
   const assignRoleMutation = useMutation({
     mutationFn: () =>
-      assignGroupRole(tenantId ?? "", id ?? "", selectedTargetTenantId, selectedRelation),
+      assignGroupRole(
+        tenantId ?? "",
+        id ?? "",
+        selectedTargetTenantId,
+        selectedRelation,
+      ),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ["user-group-roles", id] });
       setIsAddRoleOpen(false);
@@ -148,7 +155,12 @@ export function UserGroupDetailPage() {
 
   const removeRoleMutation = useMutation({
     mutationFn: (role: { targetTenantId: string; relation: string }) =>
-      removeGroupRole(tenantId ?? "", id ?? "", role.targetTenantId, role.relation),
+      removeGroupRole(
+        tenantId ?? "",
+        id ?? "",
+        role.targetTenantId,
+        role.relation,
+      ),
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ["user-group-roles", id] });
       toast.success(
diff --git a/adminfront/src/lib/auth.ts b/adminfront/src/lib/auth.ts
index 5d1df7d8..8f46d964 100644
--- a/adminfront/src/lib/auth.ts
+++ b/adminfront/src/lib/auth.ts
@@ -2,7 +2,8 @@ import { UserManager, WebStorageStateStore } from "oidc-client-ts";
 import type { AuthProviderProps } from "react-oidc-context";
 
 export const oidcConfig: AuthProviderProps = {
-  authority: import.meta.env.VITE_OIDC_AUTHORITY || "http://localhost:5000/oidc", // Gateway Proxy URL
+  authority:
+    import.meta.env.VITE_OIDC_AUTHORITY || "http://localhost:5000/oidc", // Gateway Proxy URL
   client_id: import.meta.env.VITE_OIDC_CLIENT_ID || "adminfront",
   redirect_uri: `${window.location.origin}/auth/callback`,
   response_type: "code",
diff --git a/adminfront/tests/auth.spec.ts b/adminfront/tests/auth.spec.ts
index 2c8b7865..77c793f7 100644
--- a/adminfront/tests/auth.spec.ts
+++ b/adminfront/tests/auth.spec.ts
@@ -4,14 +4,16 @@ test.describe("Auth Flow", () => {
   test("unauthenticated user is redirected to login", async ({ page }) => {
     // Navigate to a protected route without setting localStorage
     await page.goto("/");
-    
+
     // Check if it redirects to login
     await expect(page).toHaveURL(/\/login$/);
-    
+
     // Verify login page content
     await expect(page.getByText("Baron SSO")).toBeVisible();
     await expect(page.getByText("관리자 로그인")).toBeVisible();
-    await expect(page.getByRole("button", { name: "SSO 계정으로 로그인" })).toBeVisible();
+    await expect(
+      page.getByRole("button", { name: "SSO 계정으로 로그인" }),
+    ).toBeVisible();
   });
 
   test("authenticated user can access dashboard", async ({ page }) => {
@@ -19,9 +21,9 @@ test.describe("Auth Flow", () => {
     await page.addInitScript(() => {
       window.localStorage.setItem("admin_session", "playwright-admin-session");
     });
-    
+
     await page.goto("/");
-    
+
     // Should stay on dashboard (or another protected route) and not redirect to login
     await expect(page).not.toHaveURL(/\/login$/);
   });
diff --git a/adminfront/tests/tenants.spec.ts b/adminfront/tests/tenants.spec.ts
index 38a9dc47..20df7e27 100644
--- a/adminfront/tests/tenants.spec.ts
+++ b/adminfront/tests/tenants.spec.ts
@@ -82,7 +82,9 @@ test("tenant create and delete flow", async ({ page }) => {
 
   await page.goto("/tenants");
   await expect(page).toHaveURL(/\/tenants$/);
-  await expect(page.getByRole("heading", { name: "테넌트 목록" })).toBeVisible();
+  await expect(
+    page.getByRole("heading", { name: "테넌트 목록" }),
+  ).toBeVisible();
 
   // Create
   const addTenantLink = page.getByRole("link", { name: "테넌트 추가" });
@@ -94,8 +96,10 @@ test("tenant create and delete flow", async ({ page }) => {
   await page.getByLabel("테넌트 유형").selectOption("COMPANY");
   await page.getByLabel("슬러그 (Slug)").fill("test-tenant");
   await page.getByLabel("설명").fill("This is an E2E test tenant");
-  await page.getByLabel("허용된 도메인 (콤마로 구분)").fill("test.com, example.com");
-  
+  await page
+    .getByLabel("허용된 도메인 (콤마로 구분)")
+    .fill("test.com, example.com");
+
   await page.getByRole("button", { name: "생성" }).click();
   await expect(page).toHaveURL(/\/tenants$/);
 
@@ -107,16 +111,17 @@ test("tenant create and delete flow", async ({ page }) => {
   page.once("dialog", (dialog) => dialog.accept());
   await createdRow.getByRole("button", { name: "삭제" }).click();
 
-  await expect(page.locator("tbody tr").filter({ hasText: uniqueName })).toHaveCount(0);
+  await expect(
+    page.locator("tbody tr").filter({ hasText: uniqueName }),
+  ).toHaveCount(0);
 });
 
 test("tenant creation form validation", async ({ page }) => {
   await page.goto("/tenants/new");
-  
+
   // Try to submit empty form
   await page.getByRole("button", { name: "생성" }).click();
-  
+
   // Since 'name' is required, we check if button is still disabled or form doesn't navigate
   await expect(page).toHaveURL(/\/tenants\/new$/);
 });
-
diff --git a/adminfront/vitest.config.ts b/adminfront/vitest.config.ts
index 0d1ed502..db8221c5 100644
--- a/adminfront/vitest.config.ts
+++ b/adminfront/vitest.config.ts
@@ -1,5 +1,5 @@
-import { defineConfig } from "vitest/config";
 import react from "@vitejs/plugin-react";
+import { defineConfig } from "vitest/config";
 
 export default defineConfig({
   plugins: [react()],