Implement display artifacts, pricing integrity, draft base and publish preview bundle

backend/app/api/routes/schemes.py

@@ -15,7 +15,6 @@ from app.repositories.schemes import (
     count_scheme_records,
     get_scheme_record_by_scheme_id,
     list_scheme_records,
-    publish_scheme,
     rollback_scheme_to_version,
     unpublish_scheme,
 )
@@ -34,6 +33,8 @@ from app.schemas.scheme_versions import (
     SchemeVersionListResponse,
 )
 from app.security.auth import require_api_key
+from app.services.publish_service import publish_current_draft_scheme
+from app.services.scheme_validation import build_scheme_validation_report
 
 router = APIRouter()
 
@@ -180,22 +181,27 @@ async def create_next_scheme_version_endpoint(
     )
 
 
-@router.post(f"{settings.api_v1_prefix}/schemes/{{scheme_id}}/publish", response_model=SchemePublishResponse)
+@router.get(f"{settings.api_v1_prefix}/schemes/{{scheme_id}}/publish/validation")
+async def get_publish_validation(scheme_id: str, role: str = Depends(require_api_key)):
+    scheme = await get_scheme_record_by_scheme_id(scheme_id)
+    version = await get_current_scheme_version(
+        scheme_id=scheme.scheme_id,
+        current_version_number=scheme.current_version_number,
+    )
+    report = await build_scheme_validation_report(
+        scheme_id=scheme.scheme_id,
+        scheme_version_id=version.scheme_version_id,
+    )
+    return {
+        "scheme_id": scheme.scheme_id,
+        "scheme_version_id": version.scheme_version_id,
+        "report": report,
+    }
+
+
+@router.post(f"{settings.api_v1_prefix}/schemes/{{scheme_id}}/publish")
 async def publish_scheme_endpoint(scheme_id: str, role: str = Depends(require_api_key)):
-    row = await publish_scheme(scheme_id)
-    await create_audit_event(
-        scheme_id=row.scheme_id,
-        event_type="scheme.published",
-        object_type="scheme",
-        object_ref=row.scheme_id,
-        details={"current_version_number": row.current_version_number, "status": row.status},
-    )
-    return SchemePublishResponse(
-        scheme_id=row.scheme_id,
-        status=row.status,
-        current_version_number=row.current_version_number,
-        published_at=row.published_at.isoformat() if row.published_at else None,
-    )
+    return await publish_current_draft_scheme(scheme_id=scheme_id)
 
 
 @router.post(f"{settings.api_v1_prefix}/schemes/{{scheme_id}}/unpublish", response_model=SchemePublishResponse)