fix: claim_ownerless actually claims ownerless documents (was a no-op self-update) (#1288)

scripts/claim_ownerless.py

@@ -58,10 +58,12 @@ def main():
         count = db.query(Session).filter(Session.owner == None).update({"owner": owner})
         print(f"  sessions: claimed {count}")
 
-        # Documents
-        count = db.query(Document).filter(Document.session_id.in_(
-            db.query(Session.id).filter(Session.owner == owner)
-        )).update({"session_id": Document.session_id}, synchronize_session=False)
+        # Documents (have their own owner column; claim the ownerless ones,
+        # mirroring the sessions/gallery/comparisons blocks). The old query set
+        # session_id to itself — a no-op — and never set owner, so ownerless
+        # documents stayed ownerless and invisible in the user's Library.
+        count = db.query(Document).filter(Document.owner == None).update({"owner": owner})
+        print(f"  documents: claimed {count}")
 
         # Gallery
         if GalleryImage: