refactor: remove demo mode — all auth goes through sidecar, call desk is live-only

src/pages/login.tsx

@@ -42,31 +42,26 @@ export const LoginPage = () => {
         event.preventDefault();
         setError(null);
 
-        // If email and password are provided, try real auth via sidecar
-        if (email && password) {
-            setIsLoading(true);
-            try {
-                const { apiClient } = await import('@/lib/api-client');
-                await apiClient.login(email, password);
-                login(); // Also set mock auth state for the role-based UI
-                navigate('/');
-            } catch (err: any) {
-                // If sidecar is down, fall back to demo mode
-                console.warn('Real auth failed, falling back to demo mode:', err.message);
-                setError(err.message);
-                setIsLoading(false);
-            }
+        if (!email || !password) {
+            setError('Email and password are required');
             return;
         }
 
-        // No credentials — demo mode (mock auth)
-        login();
-        navigate('/');
+        setIsLoading(true);
+        try {
+            const { apiClient } = await import('@/lib/api-client');
+            await apiClient.login(email, password);
+            login();
+            navigate('/');
+        } catch (err: any) {
+            setError(err.message);
+            setIsLoading(false);
+        }
     };
 
     const handleGoogleSignIn = () => {
-        login();
-        navigate('/');
+        // TODO: implement Google OAuth via sidecar
+        setError('Google sign-in not yet configured');
     };
 
     return (
@@ -229,14 +224,9 @@ export const LoginPage = () => {
                             isLoading={isLoading}
                             className="w-full rounded-xl py-3 font-semibold active:scale-[0.98] transition duration-300 ease-[cubic-bezier(0.4,0,0.2,1)]"
                         >
-                            {email ? 'Sign in' : 'Demo Mode'}
+                            Sign in
                         </Button>
                     </div>
-                    {!email && (
-                        <p className="mt-2 text-center text-xs text-quaternary">
-                            Leave email empty for demo mode with mock data
-                        </p>
-                    )}
                 </form>
             </div>
         </div>