```json
{
  "message.content": "Patch plan:\n1. Edit `store.py` `get_user` function to normalize email (strip and lower)\n2. Edit `routes.py` `login` function to normalize email before lookup\n\nRegression test:\n```python\n# Test that login works with different email cases\nsave_user('User@Example.com', 'hash123')\nassert login('user@example.com', 'hash123') == True\nassert login('USER@EXAMPLE.COM', 'hash123') == True\n```"
}
```