Add QA evidence map overlay

backend/app/api/routes/quality_checks.py

@@ -7,6 +7,7 @@ from sqlalchemy.orm import Session
 
 from app.db.session import get_db
 from app.schemas.qa import QualityCheckList
+from app.services.quality_evidence_service import QualityEvidenceService
 from app.services.quality_check_service import QualityCheckService
 from app.utils.response import envelope
 
@@ -27,3 +28,12 @@ def list_quality_checks(
         offset=offset,
     )
     return envelope(QualityCheckList(items=items, total=total, limit=limit, offset=offset).model_dump())
+
+
+@router.get("/quality-checks/{quality_check_id}/evidence/geojson", response_model=dict)
+def get_quality_check_evidence_geojson(
+    project_id: UUID,
+    quality_check_id: UUID,
+    db: Session = Depends(get_db),
+) -> dict:
+    return envelope(QualityEvidenceService.evidence_geojson(db, project_id=project_id, quality_check_id=quality_check_id))