- New MaintenanceReceiptExtractor: Gemini-primary extraction with regex
cross-validation for dates, amounts, and odometer readings
- New maintenance_receipt_validation.py: cross-validation patterns for
structured field confidence adjustment
- New POST /extract/maintenance-receipt endpoint reusing
ReceiptExtractionResponse model
- Per-field confidence scores (0.0-1.0) with Gemini base 0.85,
boosted/reduced by regex agreement
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>