diff --git a/frontend/app/login/page.tsx b/frontend/app/login/page.tsx
index a50bbb64..4e7103e1 100644
--- a/frontend/app/login/page.tsx
+++ b/frontend/app/login/page.tsx
@@ -79,7 +79,7 @@ export default function LoginPage() {
   if (!mounted) return null;
 
   return (
-    <div className="min-h-screen bg-background flex items-center justify-center p-4">
+    <div data-testid="identity-check-overlay" className="min-h-screen bg-background flex items-center justify-center p-4">
       <Toaster position="top-center" />
       
       <div className="bg-surface border border-slate-800 rounded-3xl p-8 max-w-sm w-full shadow-2xl space-y-8 animate-in fade-in zoom-in duration-500">
@@ -91,7 +91,7 @@ export default function LoginPage() {
           <p className="text-muted text-sm">Select operator profile or use direct login</p>
         </div>
         
-        <div className="grid gap-3">
+        <div data-testid="user-list" className="grid gap-3">
           {!selectedUserForLogin && !isEnterprise ? (
             <>
               {users.length > 0 ? (
@@ -99,6 +99,7 @@ export default function LoginPage() {
                   {users.map(user => (
                     <button
                       key={user.id}
+                      data-testid="user-list-item"
                       onClick={() => handleSelectUser(user)}
                       className="bg-slate-800/50 hover:bg-slate-800 border border-slate-800 hover:border-primary/40 p-4 rounded-2xl text-left transition-all group flex items-center justify-between"
                     >
@@ -123,6 +124,7 @@ export default function LoginPage() {
               
               <div className="pt-2 grid grid-cols-2 gap-3">
                 <button
+                  data-testid="local-login-tab"
                   onClick={() => setIsEnterprise(true)}
                   className="flex items-center justify-center gap-2 py-4 rounded-2xl border border-dashed border-slate-700 text-muted hover:text-white hover:border-slate-500 transition-all font-bold text-xs"
                 >
@@ -157,8 +159,9 @@ export default function LoginPage() {
                  <label className="text-xs font-black text-muted px-1">Username</label>
                  <div className="relative">
                    <User className="absolute left-4 top-1/2 -translate-y-1/2 text-muted" size={16} />
-                   <input 
+                   <input
                      ref={enterpriseUserRef}
+                     data-testid="username-input"
                      type="text"
                      autoFocus
                      className="w-full bg-slate-800/50 border border-slate-800 focus:border-primary rounded-2xl py-4 pl-12 pr-4 text-white focus:outline-none transition-all placeholder:text-slate-700 font-mono"
@@ -171,8 +174,9 @@ export default function LoginPage() {
                  <label className="text-xs font-black text-muted px-1">Password</label>
                  <div className="relative">
                    <Lock className="absolute left-4 top-1/2 -translate-y-1/2 text-muted" size={16} />
-                   <input 
+                   <input
                      ref={enterprisePassRef}
+                     data-testid="password-input"
                      type="password"
                      onKeyDown={(e) => e.key === 'Enter' && handleLogin()}
                      className="w-full bg-slate-800/50 border border-slate-800 focus:border-primary rounded-2xl py-4 pl-12 pr-4 text-white/50 focus:text-white focus:outline-none transition-all placeholder:text-slate-700 font-mono"
@@ -181,7 +185,8 @@ export default function LoginPage() {
                  </div>
                </div>
                
-               <button 
+               <button
+                 data-testid="login-submit"
                  onClick={handleLogin}
                  className="w-full bg-primary text-white font-black py-4 rounded-2xl shadow-xl shadow-primary/20 active:scale-95 transition-all"
                >
@@ -223,8 +228,9 @@ export default function LoginPage() {
                 <label className="text-xs font-black text-muted px-1">Password</label>
                 <div className="relative">
                   <Lock className="absolute left-4 top-1/2 -translate-y-1/2 text-muted" size={16} />
-                   <input 
+                   <input
                     ref={localPassRef}
+                    data-testid="local-password-input"
                     type="password"
                     autoFocus
                     onKeyDown={(e) => e.key === 'Enter' && handleLogin()}
@@ -234,7 +240,8 @@ export default function LoginPage() {
                 </div>
               </div>
               
-              <button 
+              <button
+                data-testid="local-login-submit"
                 onClick={handleLogin}
                 className="w-full bg-primary text-white font-black py-4 rounded-2xl shadow-xl shadow-primary/20 active:scale-95 transition-all"
               >