feat(frontend): base pages, layout and auth scaffolding. я вижу окно авторизации, но кнопка регистрации ещё не работает

GEMINI.md

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+# GEMINI Project Context: SmurfHabits
+
+This document provides a comprehensive overview of the SmurfHabits project for AI-assisted development.
+
+## 1. Project Overview
+
+SmurfHabits is a mobile-first web application for habit tracking with a light gamification layer. The core user loop involves completing daily habits and quests to earn rewards, which are then used to build and develop a virtual village. This progression grants Experience Points (EXP) that are tracked on a global leaderboard.
+
+The project is a full-stack SPA (Single Page Application) built with Nuxt 3, using Vue 3 for the frontend and a Node.js backend powered by Nuxt Nitro. It uses SQLite as its database with Prisma ORM for data access.
+
+### Key Architectural Principles:
+- **Monorepo:** Frontend and backend coexist in a single codebase.
+- **Backend as Source of Truth:** All progression, time-based calculations, and rewards are handled by the server-side API to ensure consistency.
+- **Clear Separation of Concerns:** A strict distinction is maintained between UI (in `app/`), backend logic (in `server/`), and data persistence (in `prisma/`).
+
+## 2. Building and Running
+
+The project uses `npm` for dependency management and running scripts.
+
+### First-Time Setup
+1.  **Install Node.js:** Ensure you are using a Node.js version in the 20.x LTS range.
+2.  **Install Dependencies:**
+    ```bash
+    npm install
+    ```
+3.  **Setup Database:** Create the initial database and apply migrations. The `.env` file is pre-configured to use a local SQLite file (`dev.db`).
+    ```bash
+    npx prisma migrate dev
+    ```
+
+### Development
+To run the development server with hot-reloading:
+```bash
+npm run dev
+```
+
+### Building for Production
+To build the application for production:
+```bash
+npm run build
+```
+
+## 3. Development Conventions
+
+Adhering to these conventions is critical for maintaining project stability.
+
+### Project Structure
+- `app/`: Contains all frontend UI code (pages, components, layouts).
+- `server/`: Contains all backend API code and utilities.
+- `prisma/`: Contains the database schema (`schema.prisma`) and migration files.
+- `public/`: Contains static assets.
+
+### Database and Prisma
+- The project is intentionally locked to **Prisma v6.x**. Do **NOT** upgrade to v7 or introduce Prisma adapters.
+- All changes to the database schema in `prisma/schema.prisma` **must** be followed by a migration command:
+  ```bash
+  npx prisma migrate dev
+  ```
+- The primary Prisma client instance is exported from `server/utils/prisma.ts`. Do not initialize the client elsewhere.
+
+### State Management
+- **Frontend:** Pinia is used for client-side state management.
+- **Backend:** The backend API is the authoritative source for all user progression, rewards, and time-sensitive data. The frontend should not implement its own logic for these calculations.
+
+### API Development
+- API routes are located in `server/api/`.
+- Group API endpoints by domain (e.g., `/api/habits`, `/api/village`).
+- All business logic should reside in the backend.
+
+### AI / Gemini Usage Rules
+- **DO NOT** allow the AI to change the Node.js version, upgrade Prisma, alter the Prisma configuration, or modify the core project structure.
+- **ALLOWED:** The AI can be used to add or modify Prisma schema models, generate new API endpoints, and implement business logic within the existing architectural framework.

app/app.vue

@@ -1,6 +1,14 @@
 <template>
-  <div>
-    <NuxtRouteAnnouncer />
-    <NuxtWelcome />
-  </div>
+  <NuxtLayout>
+    <NuxtPage />
+  </NuxtLayout>
 </template>
+
+<script setup lang="ts">
+const { fetchMe } = useAuth();
+
+// Fetch the user state once on app startup.
+// This call is not awaited to avoid blocking the render.
+// The `initialized` guard inside `useAuth` prevents multiple calls.
+fetchMe();
+</script>

app/composables/useApi.ts

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+// /composables/useApi.ts
+export const useApi = () => {
+  return $fetch.create({
+    baseURL: '/api',
+    credentials: 'include',
+    onRequest({ request, options }) {
+      // Log request
+      console.log('Fetching ', request, options);
+    },
+    onResponseError({ response }) {
+      if (response.status === 401) {
+        return; // Ignore 401 unauthorized errors, they are handled by the caller.
+      }
+      // Log all other errors
+      console.error('Fetch error ', response.status, response._data);
+    },
+  });
+};

app/composables/useAuth.ts

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+// /composables/useAuth.ts
+
+// Define User interface
+interface User {
+  id: string;
+  email: string;
+  nickname: string;
+}
+
+/**
+ * Composable for authentication management.
+ * All state is managed by Nuxt's useState to ensure it's shared and SSR-safe.
+ */
+export function useAuth() {
+  // --- State ---
+  // All state is defined here, inside the composable function.
+  // Nuxt's useState ensures this state is a singleton across the app.
+  const user = useState<User | null>('user', () => null);
+  const loading = useState('auth_loading', () => false);
+  const initialized = useState('auth_initialized', () => false);
+
+  // --- Composables ---
+  const api = useApi();
+  
+  // --- Computed Properties ---
+  const isAuthenticated = computed(() => !!user.value);
+
+  // --- Methods ---
+
+  /**
+   * Fetches the current user from the backend.
+   * Runs only once, guarded by the 'initialized' state.
+   */
+  const fetchMe = async () => {
+    if (initialized.value) {
+      return;
+    }
+    
+    loading.value = true;
+    initialized.value = true;
+    try {
+      const fetchedUser = await api<User>('/auth/me', { method: 'GET' });
+      user.value = fetchedUser;
+    } catch (error) {
+      user.value = null; // Silently handle 401s or other errors
+    } finally {
+      loading.value = false;
+    }
+  };
+
+  /**
+   * Logs the user in and fetches their data on success.
+   */
+  const login = async (email, password) => {
+    loading.value = true;
+    try {
+      await api('/auth/login', {
+        method: 'POST',
+        body: { email, password },
+      });
+      
+      // We must re-fetch the user after logging in.
+      // Resetting 'initialized' allows fetchMe to run again.
+      initialized.value = false;
+      await fetchMe();
+      
+      await navigateTo('/');
+    } catch (error) {
+      console.error('Login failed:', error);
+      throw error; // Re-throw to allow the UI to handle it
+    } finally {
+      loading.value = false;
+    }
+  };
+
+  /**
+   * Logs the user out.
+   */
+  const logout = async () => {
+    loading.value = true;
+    try {
+      await api('/auth/logout', { method: 'POST' });
+    } catch (error) {
+      console.error('Logout API call failed, proceeding with client-side logout:', error);
+    } finally {
+      user.value = null;
+      initialized.value = false; // Allow re-fetch on next app load/login
+      loading.value = false;
+      await navigateTo('/login');
+    }
+  };
+
+  return {
+    user,
+    loading,
+    isAuthenticated,
+    fetchMe,
+    login,
+    logout,
+  };
+}

app/layouts/default.vue

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+<template>
+  <div class="default-layout">
+    <header class="app-header">
+      <div class="stats">
+        <span>SmurfCoins: 120</span>
+        <span>EXP: 850</span>
+      </div>
+      <div class="user-info">
+        <span>Lvl 5</span>
+        <span>Smurfette</span>
+      </div>
+    </header>
+
+    <main class="app-content">
+      <slot />
+    </main>
+
+    <nav class="bottom-nav">
+      <NuxtLink to="/village" class="nav-item">Village</NuxtLink>
+      <NuxtLink to="/habits" class="nav-item">Habits</NuxtLink>
+      <NuxtLink to="/leaderboard" class="nav-item">Leaderboard</NuxtLink>
+    </nav>
+  </div>
+</template>
+
+<style scoped>
+.default-layout {
+  display: flex;
+  flex-direction: column;
+  height: 100vh;
+  background-color: #eef5ff;
+  color: #333;
+}
+
+.app-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 10px 15px;
+  background-color: #4a90e2;
+  color: white;
+  flex-shrink: 0;
+}
+
+.stats, .user-info {
+  display: flex;
+  gap: 15px;
+}
+
+.app-content {
+  flex-grow: 1;
+  overflow-y: auto;
+  padding: 15px;
+}
+
+.bottom-nav {
+  display: flex;
+  justify-content: space-around;
+  padding: 10px 0;
+  background-color: #ffffff;
+  border-top: 1px solid #dcdcdc;
+  flex-shrink: 0;
+}
+
+.nav-item {
+  text-decoration: none;
+  color: #4a90e2;
+  padding: 5px 10px;
+  border-radius: 5px;
+}
+
+.nav-item.router-link-exact-active {
+  background-color: #eef5ff;
+  font-weight: bold;
+}
+</style>

app/layouts/login.vue

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+<template>
+  <div class="login-layout">
+    <slot />
+  </div>
+</template>
+
+<style scoped>
+.login-layout {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  min-height: 100vh;
+  background-color: #f0f4f8;
+}
+</style>

app/pages/habits.vue

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+<template>
+  <div class="habits-container">
+    <h3>My Habits</h3>
+    <div class="habits-list">
+      <!-- Mock Habit Card 1 -->
+      <div class="habit-card">
+        <div class="habit-info">
+          <h4>Practice Nuxt</h4>
+          <p>Active: Mon, Wed, Fri</p>
+        </div>
+        <button class="complete-btn">Complete</button>
+      </div>
+
+      <!-- Mock Habit Card 2 -->
+      <div class="habit-card">
+        <div class="habit-info">
+          <h4>Walk 5,000 steps</h4>
+          <p>Active: Everyday</p>
+        </div>
+        <button class="complete-btn">Complete</button>
+      </div>
+
+      <!-- Mock Habit Card 3 -->
+      <div class="habit-card">
+        <div class="habit-info">
+          <h4>Read a chapter</h4>
+          <p>Active: Tue, Thu, Sat, Sun</p>
+        </div>
+        <button class="complete-btn completed">Done</button>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+// No logic, just visual placeholders
+</script>
+
+<style scoped>
+.habits-container {
+  max-width: 600px;
+  margin: 0 auto;
+}
+
+h3 {
+  text-align: center;
+  margin-bottom: 20px;
+}
+
+.habits-list {
+  display: flex;
+  flex-direction: column;
+  gap: 15px;
+}
+
+.habit-card {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 15px;
+  background-color: #fff;
+  border-radius: 8px;
+  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
+}
+
+.habit-info h4 {
+  margin: 0 0 5px 0;
+  font-size: 1.1em;
+}
+
+.habit-info p {
+  margin: 0;
+  color: #666;
+  font-size: 0.9em;
+}
+
+.complete-btn {
+  padding: 8px 12px;
+  border: none;
+  border-radius: 5px;
+  background-color: #88c0d0;
+  color: white;
+  cursor: pointer;
+}
+
+.complete-btn.completed {
+  background-color: #a3be8c;
+  cursor: not-allowed;
+}
+</style>

app/pages/index.vue

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+<template>
+  <div class="dashboard">
+    <div v-if="isAuthenticated && user">
+      <h2>Welcome Back, {{ user.nickname }}!</h2>
+      <p>Your village and habits await.</p>
+      <div class="quick-links">
+        <NuxtLink to="/village">Go to Village</NuxtLink>
+        <NuxtLink to="/habits">Check Habits</NuxtLink>
+      </div>
+    </div>
+    <div v-else>
+      <!-- You can show a loading indicator here if you want -->
+      <p>Loading...</p>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+const { user, isAuthenticated } = useAuth();
+
+watchEffect(() => {
+  // Wait until the initial fetch is done and then decide.
+  // isAuthenticated becomes false if the fetch fails (e.g., 401)
+  // or true if it succeeds. We redirect only when we are sure.
+  if (process.client && isAuthenticated.value === false) {
+    navigateTo('/login');
+  }
+});
+</script>
+
+<style scoped>
+.dashboard {
+  text-align: center;
+  padding: 40px 20px;
+}
+
+h2 {
+  margin-bottom: 10px;
+}
+
+p {
+  margin-bottom: 20px;
+  color: #4c566a;
+}
+
+.quick-links {
+  display: flex;
+  justify-content: center;
+  gap: 20px;
+}
+
+.quick-links a {
+  display: inline-block;
+  padding: 10px 20px;
+  background-color: #81a1c1;
+  color: white;
+  text-decoration: none;
+  border-radius: 5px;
+}
+</style>

app/pages/leaderboard.vue

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+<template>
+  <div class="leaderboard-container">
+    <h3>Monthly Leaderboard</h3>
+    <ul class="leaderboard-list">
+      <li class="leaderboard-item">
+        <span class="rank">1.</span>
+        <span class="name">Papa Smurf</span>
+        <span class="exp">9800 EXP</span>
+      </li>
+      <li class="leaderboard-item self">
+        <span class="rank">2.</span>
+        <span class="name">Smurfette</span>
+        <span class="exp">8500 EXP</span>
+      </li>
+      <li class="leaderboard-item">
+        <span class="rank">3.</span>
+        <span class="name">Brainy Smurf</span>
+        <span class="exp">8250 EXP</span>
+      </li>
+      <li class="leaderboard-item">
+        <span class="rank">4.</span>
+        <span class="name">Hefty Smurf</span>
+        <span class="exp">7600 EXP</span>
+      </li>
+      <li class="leaderboard-item">
+        <span class="rank">5.</span>
+        <span class="name">Jokey Smurf</span>
+        <span class="exp">6100 EXP</span>
+      </li>
+    </ul>
+  </div>
+</template>
+
+<script setup lang="ts">
+// No logic, just visual placeholders
+</script>
+
+<style scoped>
+.leaderboard-container {
+  max-width: 600px;
+  margin: 0 auto;
+}
+
+h3 {
+  text-align: center;
+  margin-bottom: 20px;
+}
+
+.leaderboard-list {
+  list-style: none;
+  padding: 0;
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.leaderboard-item {
+  display: flex;
+  align-items: center;
+  padding: 15px;
+  background-color: #fff;
+  border-radius: 8px;
+  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
+}
+
+.leaderboard-item.self {
+  background-color: #d8e1e9;
+  border: 1px solid #81a1c1;
+}
+
+.rank {
+  font-weight: bold;
+  width: 40px;
+}
+
+.name {
+  flex-grow: 1;
+}
+
+.exp {
+  font-weight: bold;
+  color: #4c566a;
+}
+</style>

app/pages/login.vue

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+<template>
+  <div class="login-container">
+    <h2>Smurf Habits</h2>
+    <form @submit.prevent>
+      <div class="form-group">
+        <label for="email">Email</label>
+        <input type="email" id="email" placeholder="papa@smurf.village" />
+      </div>
+      <div class="form-group">
+        <label for="password">Password</label>
+        <input type="password" id="password" />
+      </div>
+      <button type="submit">Login</button>
+    </form>
+    <div class="register-link">
+      <p>No account? <a href="#">Register</a></p>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+definePageMeta({
+  layout: 'login',
+});
+</script>
+
+<style scoped>
+.login-container {
+  width: 100%;
+  max-width: 350px;
+  padding: 20px;
+  background-color: white;
+  border-radius: 8px;
+  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+  text-align: center;
+}
+
+h2 {
+  color: #4a90e2;
+  margin-bottom: 20px;
+}
+
+.form-group {
+  margin-bottom: 15px;
+  text-align: left;
+}
+
+label {
+  display: block;
+  margin-bottom: 5px;
+  font-weight: bold;
+}
+
+input {
+  width: 100%;
+  padding: 10px;
+  border: 1px solid #ccc;
+  border-radius: 4px;
+}
+
+button {
+  width: 100%;
+  padding: 10px;
+  background-color: #4a90e2;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 16px;
+}
+
+.register-link {
+  margin-top: 20px;
+}
+</style>

app/pages/village.vue

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+<template>
+  <div class="village-container">
+    <h3>My Village</h3>
+    <div class="village-grid">
+      <div v-for="n in 64" :key="n" class="grid-cell">
+        <!-- Placeholder for village objects -->
+      </div>
+    </div>
+    <div class="village-actions">
+      <button>Build Mode</button>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+// No logic for now, just visual placeholders
+</script>
+
+<style scoped>
+.village-container {
+  text-align: center;
+}
+
+h3 {
+  margin-bottom: 20px;
+}
+
+.village-grid {
+  display: grid;
+  grid-template-columns: repeat(8, 1fr);
+  grid-template-rows: repeat(8, 1fr);
+  width: 100%;
+  max-width: 500px; /* Or other size that fits your design */
+  margin: 0 auto;
+  border: 1px solid #ccc;
+  aspect-ratio: 1 / 1;
+}
+
+.grid-cell {
+  border: 1px dotted #e0e0e0;
+  background-color: #a3be8c; /* Grassy color */
+}
+
+.grid-cell:nth-child(5) { background-color: #bf616a; } /* Fake house */
+.grid-cell:nth-child(10) { background-color: #ebcb8b; } /* Fake field */
+.grid-cell:nth-child(11) { background-color: #ebcb8b; } /* Fake field */
+
+.village-actions {
+  margin-top: 20px;
+}
+
+button {
+  padding: 10px 20px;
+  background-color: #5e81ac;
+  color: white;
+  border: none;
+  border-radius: 5px;
+}
+</style>

middleware/auth.global.ts

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+// /middleware/auth.ts
+export default defineNuxtRouteMiddleware((to) => {
+  // `app.vue` is responsible for the initial fetchUser call.
+  // This middleware just reads the state that's already present.
+  const { isAuthenticated } = useAuth();
+  
+  // if the user is authenticated and tries to access /login, redirect to home
+  if (isAuthenticated.value && to.path === '/login') {
+    return navigateTo('/', { replace: true });
+  }
+
+  // if the user is not authenticated and tries to access any page other than public routes, redirect to /login
+  const publicRoutes = ['/login', '/register']; // Add any other public paths here
+  if (!isAuthenticated.value && !publicRoutes.includes(to.path)) {
+    return navigateTo('/login', { replace: true });
+  }
+});

pages/index.vue

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+<!-- /pages/index.vue -->
+<template>
+  <div>
+    <h1>Dashboard</h1>
+    <p v-if="user">Welcome, {{ user.nickname }}!</p>
+    <button @click="logout">Logout</button>
+  </div>
+</template>
+
+<script setup lang="ts">
+const { user, logout } = useAuth();
+</script>

pages/login.vue

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+<!-- /pages/login.vue -->
+<template>
+  <div>
+    <h1>Login or Register</h1>
+    <form @submit.prevent="isRegistering ? handleRegister() : handleLogin()">
+      <div>
+        <label for="email">Email</label>
+        <input type="email" id="email" v-model="email" required />
+      </div>
+      <div v-if="isRegistering">
+        <label for="nickname">Nickname</label>
+        <input type="text" id="nickname" v-model="nickname" required />
+      </div>
+      <div>
+        <label for="password">Password</label>
+        <input type="password" id="password" v-model="password" required />
+      </div>
+      <div v-if="error">{{ error }}</div>
+      <button type="submit" :disabled="loading">
+        {{ isRegistering ? 'Register' : 'Login' }}
+      </button>
+    </form>
+    <button @click="isRegistering = !isRegistering">
+      {{ isRegistering ? 'Switch to Login' : 'Switch to Register' }}
+    </button>
+  </div>
+</template>
+
+<script setup lang="ts">
+definePageMeta({
+  layout: 'default', // Using the default layout
+});
+
+const { login, register, loading } = useAuth();
+
+const isRegistering = ref(false);
+const email = ref('');
+const password = ref('');
+const nickname = ref('');
+const error = ref<string | null>(null);
+
+const handleLogin = async () => {
+  error.value = null;
+  try {
+    await login(email.value, password.value);
+  } catch (e: any) {
+    error.value = e.data?.message || 'Login failed.';
+  }
+};
+
+const handleRegister = async () => {
+  error.value = null;
+  try {
+    await register(email.value, password.value, nickname.value);
+    // On successful registration, switch to the login view
+    isRegistering.value = false;
+    // You might want to auto-login or show a success message instead
+  } catch (e: any) {
+    error.value = e.data?.message || 'Registration failed.';
+  }
+};
+</script>