prod: UI Optimisée mise en production

- Documentation archivée et réorganisée
- Backend: Ajout tests, migrations, library service, rate limiting
- Frontend: Suppression Flutter, focus sur interface web HTML/JS
- Tailwind CSS ajouté pour le style
- Améliorations UX et corrections bugs

Generated with [Claude Code](https://claude.com/claude-code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

backend/tests/api/test_auth.py

@@ -0,0 +1,112 @@
+"""Test authentication endpoints."""
+import pytest
+from httpx import AsyncClient
+
+
+class TestAuthEndpoints:
+    """Tests for /api/v1/auth/* endpoints."""
+
+    async def test_register_user(self, client: AsyncClient):
+        """Test user registration."""
+        response = await client.post(
+            "/api/v1/auth/register",
+            json={
+                "email": "newuser@example.com",
+                "username": "newuser",
+                "password": "password123",
+            },
+        )
+
+        assert response.status_code == 200
+        data = response.json()
+        assert "access_token" in data
+        assert "refresh_token" in data
+        assert data["token_type"] == "bearer"
+
+    async def test_register_duplicate_email(self, client: AsyncClient):
+        """Test registration with duplicate email."""
+        # First registration
+        await client.post(
+            "/api/v1/auth/register",
+            json={
+                "email": "duplicate@example.com",
+                "username": "user1",
+                "password": "password123",
+            },
+        )
+
+        # Second registration with same email
+        response = await client.post(
+            "/api/v1/auth/register",
+            json={
+                "email": "duplicate@example.com",
+                "username": "user2",
+                "password": "password123",
+            },
+        )
+
+        assert response.status_code == 400
+
+    async def test_login_success(self, client: AsyncClient):
+        """Test successful login."""
+        # Register first
+        await client.post(
+            "/api/v1/auth/register",
+            json={
+                "email": "login@example.com",
+                "username": "loginuser",
+                "password": "password123",
+            },
+        )
+
+        # Login
+        response = await client.post(
+            "/api/v1/auth/login",
+            json={
+                "email": "login@example.com",
+                "password": "password123",
+            },
+        )
+
+        assert response.status_code == 200
+        data = response.json()
+        assert "access_token" in data
+        assert "refresh_token" in data
+
+    async def test_login_wrong_password(self, client: AsyncClient):
+        """Test login with wrong password."""
+        # Register first
+        await client.post(
+            "/api/v1/auth/register",
+            json={
+                "email": "wrongpass@example.com",
+                "username": "wronguser",
+                "password": "password123",
+            },
+        )
+
+        # Login with wrong password
+        response = await client.post(
+            "/api/v1/auth/login",
+            json={
+                "email": "wrongpass@example.com",
+                "password": "wrongpassword",
+            },
+        )
+
+        assert response.status_code == 401
+
+    async def test_get_current_user(self, client: AsyncClient, auth_headers: dict):
+        """Test getting current user info."""
+        response = await client.get("/api/v1/auth/me", headers=auth_headers)
+
+        assert response.status_code == 200
+        data = response.json()
+        assert data["email"] == "test@example.com"
+        assert data["username"] == "testuser"
+
+    async def test_get_current_user_unauthorized(self, client: AsyncClient):
+        """Test getting current user without auth."""
+        response = await client.get("/api/v1/auth/me")
+
+        assert response.status_code == 401