Prepare GeoIntel for public release

backend/app/api/routes/datasets.py

@@ -10,6 +10,7 @@ from fastapi import UploadFile
 from sqlalchemy.orm import Session
 from app.core.config import get_settings
 from app.core.errors import AppError
+from app.core.public_demo import is_public_demo_project
 from app.db.session import get_db
 from app.models import Area, Project
 from app.schemas import (
@@ -163,6 +164,12 @@ async def upload_dataset(
     source_version: str | None = Form(None),
     db: Session = Depends(get_db),
 ):
+    if is_public_demo_project(project_id):
+        raise AppError(
+            code="PUBLIC_DEMO_UPLOAD_FORBIDDEN",
+            message="Operator uploads are not accepted in the public demo project.",
+            status_code=403,
+        )
     if area_id is not None:
         area = db.get(Area, area_id)
         if not area: