3903bcf77d
- Increase white threshold from 0.95 to 0.98 (pure white only) - Decrease black threshold from 0.05 to 0.02 (pure black only) - Remove "other solid" detection (caused false positives on gray backgrounds) This prevents light gray table cell backgrounds (RGB ~0.93) from being incorrectly detected as covering/redaction rectangles. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>