fix(ui): user management visibility and reset password API (#1484)

* **Bug Fixes**
* Updated password reset API endpoint and request method for
compatibility.

* **New Features**
* User Management menu item now displays based on admin privileges and
authentication configuration.
  * Reset Password action restricted to admin users only.

ui/src/menu.tsx

@@ -219,7 +219,7 @@ export const mainListItems = React.forwardRef<
             isOpen={isOpen}
             onClick={onNavItemClick}
           />
-          {isAdmin && (
+          {isAdmin && config.authMode === 'builtin' && (
             <NavItem
               to="/users"
               text="User Management"

ui/src/pages/users/ResetPasswordModal.tsx

@@ -72,8 +72,8 @@ export function ResetPasswordModal({ open, user, onClose }: ResetPasswordModalPr
 
     try {
       const token = localStorage.getItem('dagu_auth_token');
-      const response = await fetch(`${config.apiURL}/users/${user.id}/password`, {
-        method: 'PUT',
+      const response = await fetch(`${config.apiURL}/users/${user.id}/reset-password`, {
+        method: 'POST',
         headers: {
           'Content-Type': 'application/json',
           Authorization: `Bearer ${token}`,

ui/src/pages/users/index.tsx

@@ -1,6 +1,6 @@
 import { useState, useEffect, useCallback, useContext } from 'react';
 import { useConfig } from '@/contexts/ConfigContext';
-import { useAuth, TOKEN_KEY } from '@/contexts/AuthContext';
+import { useAuth, useIsAdmin, TOKEN_KEY } from '@/contexts/AuthContext';
 import { AppBarContext } from '@/contexts/AppBarContext';
 import { components } from '@/api/v2/schema';
 import { Button } from '@/components/ui/button';
@@ -36,6 +36,7 @@ type User = components['schemas']['User'];
 export default function UsersPage() {
   const config = useConfig();
   const { user: currentUser } = useAuth();
+  const isAdmin = useIsAdmin();
   const appBarContext = useContext(AppBarContext);
   const [users, setUsers] = useState<User[]>([]);
   const [isLoading, setIsLoading] = useState(true);
@@ -202,10 +203,12 @@ export default function UsersPage() {
                           <Pencil className="h-4 w-4 mr-2" />
                           Edit
                         </DropdownMenuItem>
-                        <DropdownMenuItem onClick={() => setResetPasswordUser(user)}>
-                          <Key className="h-4 w-4 mr-2" />
-                          Reset Password
-                        </DropdownMenuItem>
+                        {isAdmin && (
+                          <DropdownMenuItem onClick={() => setResetPasswordUser(user)}>
+                            <Key className="h-4 w-4 mr-2" />
+                            Reset Password
+                          </DropdownMenuItem>
+                        )}
                         <DropdownMenuItem
                           onClick={() => setDeletingUser(user)}
                           className="text-destructive"