fix(v2-ingestion): align public schema realism follow-ups

apps/ingestion/extractors/public_json.py

@@ -4,6 +4,8 @@ from typing import Any
 
 from django.conf import settings
 
+from apps.ingestion.snapshots.schema import REQUIRED_RECORD_FIELDS
+
 from .base import (
     BaseSnapshotExtractor,
     ExtractorConfigError,
@@ -113,7 +115,7 @@ class PublicJsonSnapshotExtractor(BaseSnapshotExtractor):
             "ft_pct": _first_non_empty(source_record, "ft_pct"),
         }
 
-        missing = [key for key, value in normalized.items() if key != "role" and value in (None, "")]
+        missing = [key for key in REQUIRED_RECORD_FIELDS if normalized.get(key) in (None, "")]
         if missing:
             raise ExtractorNormalizationError(
                 f"public_json_snapshot row missing required fields: {', '.join(sorted(missing))}"