Dev Mode Enhancements


## **High Priority (next):**
- Nightly database reseed (single job, not multiple scrapers)
- Request/response logging to file
- Pre-built test datasets (fixtures)
- Fake OAuth bypass

## **Medium Priority:**
- Error injection for chaos testing
- Auth token generator UI
- Batch data import

## **Low Priority:**
- Query profiler
- Email preview
- Performance budgets

