Marcel 878a90a86d feat(annotations): add polygon JSONB support for quadrilateral shapes
- V23 migration adds polygon JSONB column with 4-point CHECK constraint
- PolygonConverter: AttributeConverter for List<List<Double>> <-> JSONB
- @UniquePoints custom validator rejects duplicate coordinates
- CreateAnnotationDTO: validated optional polygon field
- DocumentAnnotation entity: polygon field with converter

Refs #227

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-12 15:10:35 +02:00
2026-03-17 13:35:32 +00:00
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