- Add ai_status column to price_history table (verified/corrected/null)
- Track AI verification status through scraper and scheduler
- Display badges next to prices:
- ✓ AI (green): AI verified the price is correct
- ⚡ AI (orange): AI corrected an incorrect price
- Show badges on Dashboard product cards and ProductDetail page
- Add legend explaining badges in Settings when AI Verification is enabled
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
