feat: Add CI/CD pipeline and code quality improvements

- Add GitHub Actions workflow for automated CI/CD
- Configure Node.js 18.x and 20.x matrix testing
- Add TypeScript type checking step
- Add ESLint code quality checks with enhanced rules
- Add Prettier formatting verification
- Add production build validation
- Upload build artifacts for deployment
- Set up automated testing on push/PR
- Replace console.log with environment-aware logger
- Add pre-commit hooks for code quality
- Exclude archive folder from linting

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/pages/Login.tsx

@@ -15,12 +15,10 @@ const Login = () => {
     isSettingUpTables,
     loginError,
     setLoginError,
-    handleLogin
+    handleLogin,
   } = useLogin();
   const navigate = useNavigate();
-  const {
-    user
-  } = useAuth();
+  const { user } = useAuth();
 
   // 이미 로그인된 경우 메인 페이지로 리다이렉트
   useEffect(() => {
@@ -28,24 +26,44 @@ const Login = () => {
       navigate("/");
     }
   }, [user, navigate]);
-  return <div className="min-h-screen flex flex-col items-center justify-center p-6 bg-neuro-background">
+  return (
+    <div className="min-h-screen flex flex-col items-center justify-center p-6 bg-neuro-background">
       <div className="w-full max-w-md">
         <div className="text-center mb-8">
-          <h1 className="text-3xl font-bold text-neuro-income mb-2">젤리의 적자탈출</h1>
-          <p className="text-gray-500">계정에 로그인하여 예산 관리를 시작하세요</p>
+          <h1 className="text-3xl font-bold text-neuro-income mb-2">
+            젤리의 적자탈출
+          </h1>
+          <p className="text-gray-500">
+            계정에 로그인하여 예산 관리를 시작하세요
+          </p>
         </div>
-        
-        <LoginForm email={email} setEmail={setEmail} password={password} setPassword={setPassword} showPassword={showPassword} setShowPassword={setShowPassword} isLoading={isLoading} isSettingUpTables={isSettingUpTables} loginError={loginError} handleLogin={handleLogin} />
-        
+
+        <LoginForm
+          email={email}
+          setEmail={setEmail}
+          password={password}
+          setPassword={setPassword}
+          showPassword={showPassword}
+          setShowPassword={setShowPassword}
+          isLoading={isLoading}
+          isSettingUpTables={isSettingUpTables}
+          loginError={loginError}
+          handleLogin={handleLogin}
+        />
+
         <div className="text-center mb-4">
           <p className="text-gray-500">
             계정이 없으신가요?{" "}
-            <Link to="/register" className="text-neuro-income font-medium hover:underline">
+            <Link
+              to="/register"
+              className="text-neuro-income font-medium hover:underline"
+            >
               회원가입
             </Link>
           </p>
         </div>
       </div>
-    </div>;
+    </div>
+  );
 };
-export default Login;
+export default Login;