feat: add forgot password and username recovery flow

- Add Mailpit SMTP container to docker-compose for dev email capture
- Add nodemailer dependency for email sending
- Add password_reset_tokens table (PG + SQLite)
- Add POST /api/auth/forgot-username endpoint
- Add POST /api/auth/forgot-password endpoint (token-based, 1h expiry)
- Add POST /api/auth/reset-password endpoint
- Create ForgotPasswordModal component (choose mode → email → sent)
- Create ResetPasswordView (token-based new password form)
- Add forgot/recovery links to LoginModal
- Add i18n translations (ES/CA) for the full flow

docker-compose.yml

@@ -152,6 +152,18 @@ services:
     networks:
       - internal
 
+  # --- Mailpit — SMTP server for development (captures all outgoing emails) ---
+  # Web UI: http://localhost:8025
+  # SMTP:   smtp://localhost:1025 (no auth)
+  mailpit:
+    image: axllent/mailpit:latest
+    restart: unless-stopped
+    ports:
+      - "8025:8025"   # Web UI
+      - "1025:1025"   # SMTP
+    networks:
+      - internal
+
   # --- MongoDB for Parapharmacy ---
   mongodb:
     image: mongo:7