feat: delete users - not tested

frontend/src/features/auth/api/auth.api.ts

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+/**
+ * @ai-summary API client for auth feature (signup, verification)
+ */
+
+import axios from 'axios';
+import { apiClient } from '../../../core/api/client';
+import {
+  SignupRequest,
+  SignupResponse,
+  VerifyStatusResponse,
+  ResendVerificationResponse,
+} from '../types/auth.types';
+
+const API_BASE_URL = import.meta.env.VITE_API_BASE_URL || '/api';
+
+// Create unauthenticated client for public signup endpoint
+const unauthenticatedClient = axios.create({
+  baseURL: API_BASE_URL,
+  timeout: 10000,
+  headers: {
+    'Content-Type': 'application/json',
+  },
+});
+
+export const authApi = {
+  signup: async (data: SignupRequest): Promise<SignupResponse> => {
+    const response = await unauthenticatedClient.post('/auth/signup', data);
+    return response.data;
+  },
+
+  getVerifyStatus: async (): Promise<VerifyStatusResponse> => {
+    const response = await apiClient.get('/auth/verify-status');
+    return response.data;
+  },
+
+  resendVerification: async (): Promise<ResendVerificationResponse> => {
+    const response = await apiClient.post('/auth/resend-verification');
+    return response.data;
+  },
+};

frontend/src/features/auth/components/SignupForm.tsx

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+/**
+ * @ai-summary Signup form component with password validation and show/hide toggle
+ */
+
+import React, { useState } from 'react';
+import { useForm } from 'react-hook-form';
+import { zodResolver } from '@hookform/resolvers/zod';
+import { z } from 'zod';
+import { Button } from '../../../shared-minimal/components/Button';
+import { SignupRequest } from '../types/auth.types';
+
+const signupSchema = z
+  .object({
+    email: z.string().email('Please enter a valid email address'),
+    password: z
+      .string()
+      .min(8, 'Password must be at least 8 characters')
+      .regex(/[A-Z]/, 'Password must contain at least one uppercase letter')
+      .regex(/[0-9]/, 'Password must contain at least one number'),
+    confirmPassword: z.string(),
+  })
+  .refine((data) => data.password === data.confirmPassword, {
+    message: 'Passwords do not match',
+    path: ['confirmPassword'],
+  });
+
+interface SignupFormProps {
+  onSubmit: (data: SignupRequest) => void;
+  loading?: boolean;
+}
+
+export const SignupForm: React.FC<SignupFormProps> = ({ onSubmit, loading }) => {
+  const [showPassword, setShowPassword] = useState(false);
+  const [showConfirmPassword, setShowConfirmPassword] = useState(false);
+
+  const {
+    register,
+    handleSubmit,
+    formState: { errors },
+  } = useForm<SignupRequest & { confirmPassword: string }>({
+    resolver: zodResolver(signupSchema),
+  });
+
+  const handleFormSubmit = (data: SignupRequest & { confirmPassword: string }) => {
+    const { email, password } = data;
+    onSubmit({ email, password });
+  };
+
+  return (
+    <form onSubmit={handleSubmit(handleFormSubmit)} className="space-y-4">
+      <div>
+        <label className="block text-sm font-medium text-gray-700 mb-1">
+          Email Address <span className="text-red-500">*</span>
+        </label>
+        <input
+          {...register('email')}
+          type="email"
+          inputMode="email"
+          className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-primary-500 min-h-[44px]"
+          placeholder="your.email@example.com"
+          style={{ fontSize: '16px' }}
+        />
+        {errors.email && (
+          <p className="mt-1 text-sm text-red-600">{errors.email.message}</p>
+        )}
+      </div>
+
+      <div>
+        <label className="block text-sm font-medium text-gray-700 mb-1">
+          Password <span className="text-red-500">*</span>
+        </label>
+        <div className="relative">
+          <input
+            {...register('password')}
+            type={showPassword ? 'text' : 'password'}
+            className="w-full px-3 py-2 pr-10 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-primary-500 min-h-[44px]"
+            placeholder="At least 8 characters"
+            style={{ fontSize: '16px' }}
+          />
+          <button
+            type="button"
+            onClick={() => setShowPassword(!showPassword)}
+            className="absolute right-3 top-1/2 -translate-y-1/2 text-gray-500 hover:text-gray-700 focus:outline-none min-w-[44px] min-h-[44px] flex items-center justify-center"
+            aria-label={showPassword ? 'Hide password' : 'Show password'}
+          >
+            {showPassword ? (
+              <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13.875 18.825A10.05 10.05 0 0112 19c-4.478 0-8.268-2.943-9.543-7a9.97 9.97 0 011.563-3.029m5.858.908a3 3 0 114.243 4.243M9.878 9.878l4.242 4.242M9.88 9.88l-3.29-3.29m7.532 7.532l3.29 3.29M3 3l3.59 3.59m0 0A9.953 9.953 0 0112 5c4.478 0 8.268 2.943 9.543 7a10.025 10.025 0 01-4.132 5.411m0 0L21 21" />
+              </svg>
+            ) : (
+              <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z" />
+              </svg>
+            )}
+          </button>
+        </div>
+        {errors.password && (
+          <p className="mt-1 text-sm text-red-600">{errors.password.message}</p>
+        )}
+        <p className="mt-1 text-xs text-gray-600">
+          Must be at least 8 characters with one uppercase letter and one number
+        </p>
+      </div>
+
+      <div>
+        <label className="block text-sm font-medium text-gray-700 mb-1">
+          Confirm Password <span className="text-red-500">*</span>
+        </label>
+        <div className="relative">
+          <input
+            {...register('confirmPassword')}
+            type={showConfirmPassword ? 'text' : 'password'}
+            className="w-full px-3 py-2 pr-10 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-primary-500 min-h-[44px]"
+            placeholder="Re-enter your password"
+            style={{ fontSize: '16px' }}
+          />
+          <button
+            type="button"
+            onClick={() => setShowConfirmPassword(!showConfirmPassword)}
+            className="absolute right-3 top-1/2 -translate-y-1/2 text-gray-500 hover:text-gray-700 focus:outline-none min-w-[44px] min-h-[44px] flex items-center justify-center"
+            aria-label={showConfirmPassword ? 'Hide password' : 'Show password'}
+          >
+            {showConfirmPassword ? (
+              <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13.875 18.825A10.05 10.05 0 0112 19c-4.478 0-8.268-2.943-9.543-7a9.97 9.97 0 011.563-3.029m5.858.908a3 3 0 114.243 4.243M9.878 9.878l4.242 4.242M9.88 9.88l-3.29-3.29m7.532 7.532l3.29 3.29M3 3l3.59 3.59m0 0A9.953 9.953 0 0112 5c4.478 0 8.268 2.943 9.543 7a10.025 10.025 0 01-4.132 5.411m0 0L21 21" />
+              </svg>
+            ) : (
+              <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z" />
+              </svg>
+            )}
+          </button>
+        </div>
+        {errors.confirmPassword && (
+          <p className="mt-1 text-sm text-red-600">{errors.confirmPassword.message}</p>
+        )}
+      </div>
+
+      <div className="pt-4">
+        <Button type="submit" loading={loading} className="w-full min-h-[44px]">
+          Create Account
+        </Button>
+      </div>
+    </form>
+  );
+};

frontend/src/features/auth/hooks/useSignup.ts

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+/**
+ * @ai-summary React Query hook for user signup
+ */
+
+import { useMutation } from '@tanstack/react-query';
+import toast from 'react-hot-toast';
+import { authApi } from '../api/auth.api';
+import { SignupRequest } from '../types/auth.types';
+
+interface ApiError {
+  response?: {
+    data?: {
+      error?: string;
+      message?: string;
+    };
+    status?: number;
+  };
+  message?: string;
+}
+
+export const useSignup = () => {
+  return useMutation({
+    mutationFn: (data: SignupRequest) => authApi.signup(data),
+    onSuccess: () => {
+      toast.success('Account created! Please check your email to verify your account.');
+    },
+    onError: (error: ApiError) => {
+      const errorMessage = error.response?.data?.error || error.response?.data?.message || error.message || 'Failed to create account';
+      toast.error(errorMessage);
+    },
+  });
+};

frontend/src/features/auth/hooks/useVerifyStatus.ts

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+/**
+ * @ai-summary React Query hook for email verification status with polling
+ */
+
+import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
+import { useAuth0 } from '@auth0/auth0-react';
+import toast from 'react-hot-toast';
+import { authApi } from '../api/auth.api';
+
+interface ApiError {
+  response?: {
+    data?: {
+      error?: string;
+      message?: string;
+    };
+  };
+  message?: string;
+}
+
+export const useVerifyStatus = (options?: { enablePolling?: boolean; onVerified?: () => void }) => {
+  const { isAuthenticated, isLoading } = useAuth0();
+
+  const query = useQuery({
+    queryKey: ['verifyStatus'],
+    queryFn: authApi.getVerifyStatus,
+    enabled: isAuthenticated && !isLoading,
+    refetchInterval: options?.enablePolling ? 5000 : false, // Poll every 5 seconds if enabled
+    refetchIntervalInBackground: false,
+    retry: 2,
+  });
+
+  // Call onVerified callback when verification completes
+  if (query.data?.emailVerified && options?.onVerified) {
+    options.onVerified();
+  }
+
+  return query;
+};
+
+export const useResendVerification = () => {
+  const queryClient = useQueryClient();
+
+  return useMutation({
+    mutationFn: () => authApi.resendVerification(),
+    onSuccess: (data) => {
+      toast.success(data.message || 'Verification email sent. Please check your inbox.');
+      queryClient.invalidateQueries({ queryKey: ['verifyStatus'] });
+    },
+    onError: (error: ApiError) => {
+      const errorMessage = error.response?.data?.error || error.response?.data?.message || error.message || 'Failed to resend verification email';
+      toast.error(errorMessage);
+    },
+  });
+};

frontend/src/features/auth/index.ts

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+/**
+ * @ai-summary Auth feature module exports
+ */
+
+// Types
+export * from './types/auth.types';
+
+// API
+export { authApi } from './api/auth.api';
+
+// Hooks
+export { useSignup } from './hooks/useSignup';
+export { useVerifyStatus, useResendVerification } from './hooks/useVerifyStatus';
+
+// Components
+export { SignupForm } from './components/SignupForm';
+
+// Pages
+export { SignupPage } from './pages/SignupPage';
+export { VerifyEmailPage } from './pages/VerifyEmailPage';
+
+// Mobile Screens
+export { SignupMobileScreen } from './mobile/SignupMobileScreen';
+export { VerifyEmailMobileScreen } from './mobile/VerifyEmailMobileScreen';

frontend/src/features/auth/mobile/SignupMobileScreen.tsx

@@ -0,0 +1,54 @@
+/**
+ * @ai-summary Mobile signup screen with glass card styling
+ */
+
+import React from 'react';
+import { useNavigate } from 'react-router-dom';
+import { MobileContainer } from '../../../shared-minimal/components/mobile/MobileContainer';
+import { GlassCard } from '../../../shared-minimal/components/mobile/GlassCard';
+import { SignupForm } from '../components/SignupForm';
+import { useSignup } from '../hooks/useSignup';
+import { SignupRequest } from '../types/auth.types';
+
+export const SignupMobileScreen: React.FC = () => {
+  const navigate = useNavigate();
+  const { mutate: signup, isPending } = useSignup();
+
+  const handleSubmit = (data: SignupRequest) => {
+    signup(data, {
+      onSuccess: () => {
+        navigate('/verify-email');
+      },
+    });
+  };
+
+  return (
+    <MobileContainer>
+      <div className="flex-1 overflow-y-auto p-4 space-y-6">
+        <div className="text-center pt-8 pb-4">
+          <h1 className="text-3xl font-bold text-primary-600 mb-2">MotoVaultPro</h1>
+          <h2 className="text-xl font-semibold text-slate-800">Create Your Account</h2>
+          <p className="text-sm text-slate-600 mt-2">
+            Start tracking your vehicle maintenance and fuel logs
+          </p>
+        </div>
+
+        <GlassCard>
+          <SignupForm onSubmit={handleSubmit} loading={isPending} />
+        </GlassCard>
+
+        <div className="text-center text-sm text-slate-600 pb-8">
+          Already have an account?{' '}
+          <button
+            onClick={() => navigate('/login')}
+            className="text-primary-600 hover:text-primary-700 font-medium focus:outline-none focus:underline min-h-[44px] inline-flex items-center"
+          >
+            Login
+          </button>
+        </div>
+      </div>
+    </MobileContainer>
+  );
+};
+
+export default SignupMobileScreen;

frontend/src/features/auth/mobile/VerifyEmailMobileScreen.tsx

@@ -0,0 +1,96 @@
+/**
+ * @ai-summary Mobile email verification screen with polling and resend
+ */
+
+import React, { useEffect } from 'react';
+import { useNavigate } from 'react-router-dom';
+import { MobileContainer } from '../../../shared-minimal/components/mobile/MobileContainer';
+import { GlassCard } from '../../../shared-minimal/components/mobile/GlassCard';
+import { Button } from '../../../shared-minimal/components/Button';
+import { useVerifyStatus, useResendVerification } from '../hooks/useVerifyStatus';
+
+export const VerifyEmailMobileScreen: React.FC = () => {
+  const navigate = useNavigate();
+  const { data: verifyStatus, isLoading } = useVerifyStatus({
+    enablePolling: true,
+  });
+  const { mutate: resendVerification, isPending: isResending } = useResendVerification();
+
+  useEffect(() => {
+    if (verifyStatus?.emailVerified) {
+      navigate('/onboarding');
+    }
+  }, [verifyStatus, navigate]);
+
+  const handleResend = () => {
+    resendVerification();
+  };
+
+  if (isLoading) {
+    return (
+      <MobileContainer>
+        <div className="flex-1 flex items-center justify-center">
+          <div className="text-lg text-slate-600">Loading...</div>
+        </div>
+      </MobileContainer>
+    );
+  }
+
+  return (
+    <MobileContainer>
+      <div className="flex-1 overflow-y-auto p-4 space-y-6">
+        <div className="text-center pt-8 pb-4">
+          <div className="mx-auto w-16 h-16 bg-primary-100 rounded-full flex items-center justify-center mb-4">
+            <svg
+              className="w-8 h-8 text-primary-600"
+              fill="none"
+              viewBox="0 0 24 24"
+              stroke="currentColor"
+            >
+              <path
+                strokeLinecap="round"
+                strokeLinejoin="round"
+                strokeWidth={2}
+                d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"
+              />
+            </svg>
+          </div>
+          <h1 className="text-2xl font-bold text-slate-800 mb-2">Check Your Email</h1>
+          <p className="text-slate-600">
+            We've sent a verification link to
+          </p>
+          <p className="text-primary-600 font-medium mt-1 break-words px-4">
+            {verifyStatus?.email}
+          </p>
+        </div>
+
+        <GlassCard>
+          <div className="space-y-4">
+            <div className="bg-slate-50 rounded-lg p-4 text-sm text-slate-700">
+              <p className="mb-2">Click the link in the email to verify your account.</p>
+              <p>Once verified, you'll be automatically redirected to complete your profile.</p>
+            </div>
+
+            <div className="text-center">
+              <p className="text-sm text-slate-600 mb-3">Didn't receive the email?</p>
+              <Button
+                onClick={handleResend}
+                loading={isResending}
+                variant="secondary"
+                className="w-full min-h-[44px]"
+              >
+                Resend Verification Email
+              </Button>
+            </div>
+          </div>
+        </GlassCard>
+
+        <div className="text-center text-sm text-slate-500 pb-8 px-4">
+          <p>Check your spam folder if you don't see the email in your inbox.</p>
+        </div>
+      </div>
+    </MobileContainer>
+  );
+};
+
+export default VerifyEmailMobileScreen;

frontend/src/features/auth/pages/SignupPage.tsx

@@ -0,0 +1,50 @@
+/**
+ * @ai-summary Desktop signup page with centered card layout
+ */
+
+import React from 'react';
+import { useNavigate } from 'react-router-dom';
+import { SignupForm } from '../components/SignupForm';
+import { useSignup } from '../hooks/useSignup';
+import { SignupRequest } from '../types/auth.types';
+
+export const SignupPage: React.FC = () => {
+  const navigate = useNavigate();
+  const { mutate: signup, isPending } = useSignup();
+
+  const handleSubmit = (data: SignupRequest) => {
+    signup(data, {
+      onSuccess: () => {
+        navigate('/verify-email');
+      },
+    });
+  };
+
+  return (
+    <div className="min-h-screen bg-gradient-to-br from-slate-50 via-white to-rose-50 flex items-center justify-center p-4">
+      <div className="w-full max-w-md">
+        <div className="bg-white rounded-lg shadow-lg p-8">
+          <div className="text-center mb-8">
+            <h1 className="text-3xl font-bold text-primary-600 mb-2">MotoVaultPro</h1>
+            <h2 className="text-xl font-semibold text-gray-800">Create Your Account</h2>
+            <p className="text-sm text-gray-600 mt-2">
+              Start tracking your vehicle maintenance and fuel logs
+            </p>
+          </div>
+
+          <SignupForm onSubmit={handleSubmit} loading={isPending} />
+
+          <div className="mt-6 text-center text-sm text-gray-600">
+            Already have an account?{' '}
+            <button
+              onClick={() => navigate('/login')}
+              className="text-primary-600 hover:text-primary-700 font-medium focus:outline-none focus:underline"
+            >
+              Login
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};

frontend/src/features/auth/pages/VerifyEmailPage.tsx

@@ -0,0 +1,90 @@
+/**
+ * @ai-summary Desktop email verification page with polling and resend functionality
+ */
+
+import React, { useEffect } from 'react';
+import { useNavigate } from 'react-router-dom';
+import { useVerifyStatus, useResendVerification } from '../hooks/useVerifyStatus';
+import { Button } from '../../../shared-minimal/components/Button';
+
+export const VerifyEmailPage: React.FC = () => {
+  const navigate = useNavigate();
+  const { data: verifyStatus, isLoading } = useVerifyStatus({
+    enablePolling: true,
+  });
+  const { mutate: resendVerification, isPending: isResending } = useResendVerification();
+
+  useEffect(() => {
+    if (verifyStatus?.emailVerified) {
+      navigate('/onboarding');
+    }
+  }, [verifyStatus, navigate]);
+
+  const handleResend = () => {
+    resendVerification();
+  };
+
+  if (isLoading) {
+    return (
+      <div className="min-h-screen bg-gradient-to-br from-slate-50 via-white to-rose-50 flex items-center justify-center p-4">
+        <div className="text-lg text-gray-600">Loading...</div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="min-h-screen bg-gradient-to-br from-slate-50 via-white to-rose-50 flex items-center justify-center p-4">
+      <div className="w-full max-w-md">
+        <div className="bg-white rounded-lg shadow-lg p-8">
+          <div className="text-center mb-8">
+            <div className="mx-auto w-16 h-16 bg-primary-100 rounded-full flex items-center justify-center mb-4">
+              <svg
+                className="w-8 h-8 text-primary-600"
+                fill="none"
+                viewBox="0 0 24 24"
+                stroke="currentColor"
+              >
+                <path
+                  strokeLinecap="round"
+                  strokeLinejoin="round"
+                  strokeWidth={2}
+                  d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"
+                />
+              </svg>
+            </div>
+            <h1 className="text-2xl font-bold text-gray-800 mb-2">Check Your Email</h1>
+            <p className="text-gray-600">
+              We've sent a verification link to
+            </p>
+            <p className="text-primary-600 font-medium mt-1">
+              {verifyStatus?.email}
+            </p>
+          </div>
+
+          <div className="space-y-4">
+            <div className="bg-slate-50 rounded-lg p-4 text-sm text-gray-700">
+              <p className="mb-2">Click the link in the email to verify your account.</p>
+              <p>Once verified, you'll be automatically redirected to complete your profile.</p>
+            </div>
+
+            <div className="text-center">
+              <p className="text-sm text-gray-600 mb-3">Didn't receive the email?</p>
+              <Button
+                onClick={handleResend}
+                loading={isResending}
+                variant="secondary"
+                className="w-full min-h-[44px]"
+              >
+                Resend Verification Email
+              </Button>
+            </div>
+          </div>
+
+          <div className="mt-6 text-center text-sm text-gray-500">
+            <p>Check your spam folder if you don't see the email in your inbox.</p>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};

frontend/src/features/auth/types/auth.types.ts

@@ -0,0 +1,23 @@
+/**
+ * @ai-summary TypeScript types for auth feature
+ */
+
+export interface SignupRequest {
+  email: string;
+  password: string;
+}
+
+export interface SignupResponse {
+  userId: string;
+  email: string;
+  message: string;
+}
+
+export interface VerifyStatusResponse {
+  emailVerified: boolean;
+  email: string;
+}
+
+export interface ResendVerificationResponse {
+  message: string;
+}