Publish curated GeoIntel source snapshot

backend/app/core/public_demo.py

@@ -0,0 +1,14 @@
+from __future__ import annotations
+
+from uuid import UUID
+
+
+# Stable server-owned identity: a public session must never attach itself to an
+# operator project merely because the display names happen to match.
+PUBLIC_DEMO_PROJECT_ID = UUID("6f7e6f12-9b62-4a3f-a5a0-4b3bb6b2c901")
+PUBLIC_DEMO_PROJECT_NAME = "GeoIntel Demo - Building QA"
+PUBLIC_DEMO_PROJECT_MARKER = "geointel:public-demo:v1"
+
+
+def is_public_demo_project(project_id: UUID) -> bool:
+    return project_id == PUBLIC_DEMO_PROJECT_ID