auth checkpoint

auth dependecies not instaled in dev container

frontend/src/components/auth/LoginForm.tsx

@@ -0,0 +1,94 @@
+import React, { useState } from 'react';
+import { useAuth } from '../../contexts/AuthContext';
+import { Button } from '../ui/button';
+import { Input } from '../ui/input';
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '../ui/card';
+import { Label } from '../ui/label';
+
+interface LoginFormProps {
+  onSuccess?: () => void;
+  onSwitchToRegister?: () => void;
+}
+
+export function LoginForm({ onSuccess, onSwitchToRegister }: LoginFormProps) {
+  const { login, isLoading } = useAuth();
+  const [username, setUsername] = useState('');
+  const [password, setPassword] = useState('');
+  const [error, setError] = useState('');
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    setError('');
+
+    try {
+      await login(username, password);
+      onSuccess?.();
+    } catch (err) {
+      setError(err instanceof Error ? err.message : 'Login failed');
+    }
+  };
+
+  return (
+    <Card className="w-full max-w-md mx-auto">
+      <CardHeader>
+        <CardTitle>Login</CardTitle>
+        <CardDescription>
+          Enter your credentials to access your account
+        </CardDescription>
+      </CardHeader>
+      <CardContent>
+        <form onSubmit={handleSubmit} className="space-y-4">
+          {error && (
+            <div className="p-3 text-sm bg-destructive/10 text-destructive rounded-md">
+              {error}
+            </div>
+          )}
+          
+          <div className="space-y-2">
+            <Label htmlFor="username">Username</Label>
+            <Input
+              id="username"
+              type="text"
+              value={username}
+              onChange={(e) => setUsername(e.target.value)}
+              placeholder="Enter your username"
+              required
+              disabled={isLoading}
+            />
+          </div>
+
+          <div className="space-y-2">
+            <Label htmlFor="password">Password</Label>
+            <Input
+              id="password"
+              type="password"
+              value={password}
+              onChange={(e) => setPassword(e.target.value)}
+              placeholder="Enter your password"
+              required
+              disabled={isLoading}
+            />
+          </div>
+
+          <Button type="submit" className="w-full" disabled={isLoading}>
+            {isLoading ? 'Logging in...' : 'Login'}
+          </Button>
+
+          {onSwitchToRegister && (
+            <div className="text-center text-sm text-muted-foreground">
+              Don't have an account?{' '}
+              <button
+                type="button"
+                onClick={onSwitchToRegister}
+                className="text-primary hover:underline"
+                disabled={isLoading}
+              >
+                Register here
+              </button>
+            </div>
+          )}
+        </form>
+      </CardContent>
+    </Card>
+  );
+}