diff --git a/adminfront/src/components/ui/badge.tsx b/adminfront/src/components/ui/badge.tsx
index 8f9d0789..8ef586fd 100644
--- a/adminfront/src/components/ui/badge.tsx
+++ b/adminfront/src/components/ui/badge.tsx
@@ -26,8 +26,7 @@ const badgeVariants = cva(
 );
 
 export interface BadgeProps
-  extends
-    React.HTMLAttributes<HTMLDivElement>,
+  extends React.HTMLAttributes<HTMLDivElement>,
     VariantProps<typeof badgeVariants> {}
 
 function Badge({ className, variant, ...props }: BadgeProps) {
diff --git a/adminfront/src/components/ui/button.tsx b/adminfront/src/components/ui/button.tsx
index 91d21e58..ee1a84b4 100644
--- a/adminfront/src/components/ui/button.tsx
+++ b/adminfront/src/components/ui/button.tsx
@@ -34,8 +34,7 @@ const buttonVariants = cva(
 );
 
 export interface ButtonProps
-  extends
-    React.ButtonHTMLAttributes<HTMLButtonElement>,
+  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
     VariantProps<typeof buttonVariants> {
   asChild?: boolean;
 }
diff --git a/adminfront/src/components/ui/input.tsx b/adminfront/src/components/ui/input.tsx
index eb2a9c6e..41955477 100644
--- a/adminfront/src/components/ui/input.tsx
+++ b/adminfront/src/components/ui/input.tsx
@@ -1,7 +1,8 @@
 import * as React from "react";
 import { cn } from "../../lib/utils";
 
-export interface InputProps extends React.InputHTMLAttributes<HTMLInputElement> {}
+export interface InputProps
+  extends React.InputHTMLAttributes<HTMLInputElement> {}
 
 const Input = React.forwardRef<HTMLInputElement, InputProps>(
   ({ className, type, ...props }, ref) => {
diff --git a/adminfront/src/components/ui/textarea.tsx b/adminfront/src/components/ui/textarea.tsx
index 78dbae91..80f0abc2 100644
--- a/adminfront/src/components/ui/textarea.tsx
+++ b/adminfront/src/components/ui/textarea.tsx
@@ -1,7 +1,8 @@
 import * as React from "react";
 import { cn } from "../../lib/utils";
 
-export interface TextareaProps extends React.TextareaHTMLAttributes<HTMLTextAreaElement> {}
+export interface TextareaProps
+  extends React.TextareaHTMLAttributes<HTMLTextAreaElement> {}
 
 const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(
   ({ className, ...props }, ref) => {
diff --git a/adminfront/src/features/tenants/routes/TenantAdminsTab.tsx b/adminfront/src/features/tenants/routes/TenantAdminsTab.tsx
index 308166e7..87601586 100644
--- a/adminfront/src/features/tenants/routes/TenantAdminsTab.tsx
+++ b/adminfront/src/features/tenants/routes/TenantAdminsTab.tsx
@@ -192,7 +192,7 @@ export function TenantAdminsTab() {
                     </div>
                   ) : usersQuery.isLoading ? (
                     <div className="p-10 text-center">
-                      <div className="animate-spin rounded-full h-6 w-6 border-b-2 border-primary mx-auto"></div>
+                      <div className="animate-spin rounded-full h-6 w-6 border-b-2 border-primary mx-auto" />
                     </div>
                   ) : searchResults.length === 0 ? (
                     <div className="p-10 text-center text-muted-foreground">
@@ -279,7 +279,7 @@ export function TenantAdminsTab() {
                 {adminsQuery.isLoading ? (
                   <TableRow>
                     <TableCell colSpan={3} className="h-32 text-center">
-                      <div className="animate-spin rounded-full h-6 w-6 border-b-2 border-primary mx-auto"></div>
+                      <div className="animate-spin rounded-full h-6 w-6 border-b-2 border-primary mx-auto" />
                     </TableCell>
                   </TableRow>
                 ) : currentAdmins.length === 0 ? (
diff --git a/adminfront/src/features/tenants/routes/TenantGroupsPage.tsx b/adminfront/src/features/tenants/routes/TenantGroupsPage.tsx
index 4c483215..6e62d938 100644
--- a/adminfront/src/features/tenants/routes/TenantGroupsPage.tsx
+++ b/adminfront/src/features/tenants/routes/TenantGroupsPage.tsx
@@ -11,8 +11,10 @@ import {
   UserPlus,
   Users,
 } from "lucide-react";
-import React, { useState } from "react";
+import type React from "react";
+import { useState } from "react";
 import { useParams } from "react-router-dom";
+import { toast } from "sonner";
 import { Badge } from "../../../components/ui/badge";
 import { Button } from "../../../components/ui/button";
 import {
@@ -33,15 +35,14 @@ import {
   TableRow,
 } from "../../../components/ui/table";
 import {
+  type GroupSummary,
   addGroupMember,
   createGroup,
   deleteGroup,
   fetchGroups,
   removeGroupMember,
-  type GroupSummary,
 } from "../../../lib/adminApi";
 import { t } from "../../../lib/i18n";
-import { toast } from "sonner";
 
 type UserGroupNode = GroupSummary & {
   children: UserGroupNode[];
diff --git a/adminfront/src/features/tenants/routes/TenantListPage.tsx b/adminfront/src/features/tenants/routes/TenantListPage.tsx
index 8e326978..db652d75 100644
--- a/adminfront/src/features/tenants/routes/TenantListPage.tsx
+++ b/adminfront/src/features/tenants/routes/TenantListPage.tsx
@@ -1,7 +1,7 @@
 import { useMutation, useQuery } from "@tanstack/react-query";
 import type { AxiosError } from "axios";
 import { CornerDownRight, Pencil, Plus, RefreshCw, Trash2 } from "lucide-react";
-import React from "react";
+import type React from "react";
 import { Link, useNavigate } from "react-router-dom";
 import { Badge } from "../../../components/ui/badge";
 import { Button } from "../../../components/ui/button";
@@ -21,9 +21,9 @@ import {
   TableRow,
 } from "../../../components/ui/table";
 import {
+  type TenantSummary,
   deleteTenant,
   fetchTenants,
-  type TenantSummary,
 } from "../../../lib/adminApi";
 import { t } from "../../../lib/i18n";
 
diff --git a/adminfront/src/features/user-groups/routes/TenantUserGroupsTab.tsx b/adminfront/src/features/user-groups/routes/TenantUserGroupsTab.tsx
index 348d766e..77a68415 100644
--- a/adminfront/src/features/user-groups/routes/TenantUserGroupsTab.tsx
+++ b/adminfront/src/features/user-groups/routes/TenantUserGroupsTab.tsx
@@ -11,7 +11,8 @@ import {
   UserPlus,
   Users,
 } from "lucide-react";
-import React, { useState } from "react";
+import type React from "react";
+import { useState } from "react";
 import { useParams } from "react-router-dom";
 import { toast } from "sonner";
 import { Badge } from "../../../components/ui/badge";
@@ -34,12 +35,12 @@ import {
   TableRow,
 } from "../../../components/ui/table";
 import {
+  type GroupSummary,
   addGroupMember,
   createGroup,
   deleteGroup,
   fetchGroups,
   removeGroupMember,
-  type GroupSummary,
 } from "../../../lib/adminApi";
 import { t } from "../../../lib/i18n";
 
diff --git a/adminfront/src/features/user-groups/routes/UserGroupDetailPage.tsx b/adminfront/src/features/user-groups/routes/UserGroupDetailPage.tsx
index fce718f6..89270480 100644
--- a/adminfront/src/features/user-groups/routes/UserGroupDetailPage.tsx
+++ b/adminfront/src/features/user-groups/routes/UserGroupDetailPage.tsx
@@ -156,7 +156,7 @@ export function UserGroupDetailPage() {
   if (isGroupLoading)
     return (
       <div className="flex items-center justify-center p-12">
-        <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary"></div>
+        <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary" />
         <span className="ml-3 text-muted-foreground">
           {t("msg.common.loading", "로딩 중...")}
         </span>
@@ -534,7 +534,7 @@ export function UserGroupDetailPage() {
                   {isRolesLoading ? (
                     <TableRow>
                       <TableCell colSpan={3} className="text-center py-8">
-                        <div className="animate-spin rounded-full h-5 w-5 border-b-2 border-primary mx-auto"></div>
+                        <div className="animate-spin rounded-full h-5 w-5 border-b-2 border-primary mx-auto" />
                       </TableCell>
                     </TableRow>
                   ) : !groupRoles || groupRoles.length === 0 ? (
diff --git a/devfront/src/components/ui/badge.tsx b/devfront/src/components/ui/badge.tsx
index 8f9d0789..8ef586fd 100644
--- a/devfront/src/components/ui/badge.tsx
+++ b/devfront/src/components/ui/badge.tsx
@@ -26,8 +26,7 @@ const badgeVariants = cva(
 );
 
 export interface BadgeProps
-  extends
-    React.HTMLAttributes<HTMLDivElement>,
+  extends React.HTMLAttributes<HTMLDivElement>,
     VariantProps<typeof badgeVariants> {}
 
 function Badge({ className, variant, ...props }: BadgeProps) {
diff --git a/devfront/src/components/ui/button.tsx b/devfront/src/components/ui/button.tsx
index 91d21e58..ee1a84b4 100644
--- a/devfront/src/components/ui/button.tsx
+++ b/devfront/src/components/ui/button.tsx
@@ -34,8 +34,7 @@ const buttonVariants = cva(
 );
 
 export interface ButtonProps
-  extends
-    React.ButtonHTMLAttributes<HTMLButtonElement>,
+  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
     VariantProps<typeof buttonVariants> {
   asChild?: boolean;
 }
diff --git a/devfront/src/components/ui/input.tsx b/devfront/src/components/ui/input.tsx
index eb2a9c6e..41955477 100644
--- a/devfront/src/components/ui/input.tsx
+++ b/devfront/src/components/ui/input.tsx
@@ -1,7 +1,8 @@
 import * as React from "react";
 import { cn } from "../../lib/utils";
 
-export interface InputProps extends React.InputHTMLAttributes<HTMLInputElement> {}
+export interface InputProps
+  extends React.InputHTMLAttributes<HTMLInputElement> {}
 
 const Input = React.forwardRef<HTMLInputElement, InputProps>(
   ({ className, type, ...props }, ref) => {
diff --git a/devfront/src/components/ui/textarea.tsx b/devfront/src/components/ui/textarea.tsx
index 78dbae91..80f0abc2 100644
--- a/devfront/src/components/ui/textarea.tsx
+++ b/devfront/src/components/ui/textarea.tsx
@@ -1,7 +1,8 @@
 import * as React from "react";
 import { cn } from "../../lib/utils";
 
-export interface TextareaProps extends React.TextareaHTMLAttributes<HTMLTextAreaElement> {}
+export interface TextareaProps
+  extends React.TextareaHTMLAttributes<HTMLTextAreaElement> {}
 
 const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(
   ({ className, ...props }, ref) => {
diff --git a/devfront/src/features/auth/LoginPage.tsx b/devfront/src/features/auth/LoginPage.tsx
index 5d0dfe59..7004f4eb 100644
--- a/devfront/src/features/auth/LoginPage.tsx
+++ b/devfront/src/features/auth/LoginPage.tsx
@@ -1,4 +1,4 @@
-import { ShieldHalf, LogIn, ExternalLink } from "lucide-react";
+import { ExternalLink, LogIn, ShieldHalf } from "lucide-react";
 import { useAuth } from "react-oidc-context";
 import { Button } from "../../components/ui/button";
 import {
@@ -71,9 +71,9 @@ function LoginPage() {
         </Card>
 
         <div className="flex justify-center gap-4">
-          <div className="h-1 w-1 rounded-full bg-primary/30"></div>
-          <div className="h-1 w-1 rounded-full bg-primary/30"></div>
-          <div className="h-1 w-1 rounded-full bg-primary/30"></div>
+          <div className="h-1 w-1 rounded-full bg-primary/30" />
+          <div className="h-1 w-1 rounded-full bg-primary/30" />
+          <div className="h-1 w-1 rounded-full bg-primary/30" />
         </div>
 
         <p className="px-8 text-center text-sm text-muted-foreground">