Add a Wikidata export connector for a pinned CC0 computing field.

The connector maps native Q-ids to aliases under urn:ce ids, publishes only through the existing rights and reference gate, and leaves the real-user pilot open.

Assistant: grok
Assistant-Session: 01a15378-f601-7fe2-a143-8e1500a1d59c

content_explorer/ingest.py

@@ -258,7 +258,7 @@ def project_records(
             if target not in accepted:
                 report["dangling"].append({"from": qualified, "to": target, "predicate": predicate})
         claim_id = f"claim:{kind}:{key}:tldr"
-        entities.append({
+        entity = {
             "id": entity_id,
             "kindId": kind,
             "title": record["title"],
@@ -268,7 +268,11 @@ def project_records(
             "sourceRefs": [source["id"]],
             "claimRefs": [claim_id],
             "asOf": observed_at,
-        })
+        }
+        aliases = [str(alias) for alias in (record.get("aliases") or []) if str(alias).strip()]
+        if aliases:
+            entity["aliases"] = aliases
+        entities.append(entity)
         claims.append({
             "id": claim_id,
             "subjectId": entity_id,