snapshot admin workbook inventory

tools/validate_snapshot_admin_web_v1.py

@@ -96,6 +96,7 @@ def main() -> int:
         _wait_for_server(base_url)
         html = _read_text(f"{base_url}/")
         state = _read_json(f"{base_url}/api/state")
+        tables_payload = _read_json(f"{base_url}/api/tables")
         export_payload = _read_json(f"{base_url}/api/export")
         approval_packet = {
             "formula_id": "SNAPSHOT_ADMIN_APPROVAL_PACKET_V1",
@@ -138,6 +139,11 @@ def main() -> int:
             errors.append("collection_page_link_missing")
         if "Open collection dashboard" not in html:
             errors.append("collection_dashboard_link_missing")
+        tables_html = _read_text(f"{base_url}/tables")
+        if "Workbook migration inventory" not in tables_html or "sqliteTableSelect" not in tables_html or "jsonTableSelect" not in tables_html:
+            errors.append("table_browser_split_missing")
+        if "SQLite" not in tables_html or "JSON" not in tables_html:
+            errors.append("table_browser_source_labels_missing")
         collection_html = _read_text(f"{base_url}/collection")
         if "KIS Collection Dashboard" not in collection_html or "Download CSV" not in collection_html or "Ticker quick search" not in collection_html or "Date quick search" not in collection_html:
             errors.append("collection_dashboard_page_missing")
@@ -159,6 +165,10 @@ def main() -> int:
             errors.append("version_metadata_missing")
         if not isinstance(state.get("collection"), dict):
             errors.append("collection_state_missing")
+        if not isinstance(tables_payload.get("sqlite"), list) or not isinstance(tables_payload.get("json"), list) or not isinstance(tables_payload.get("workbook"), list):
+            errors.append("table_catalog_grouping_missing")
+        if not tables_payload.get("tables"):
+            errors.append("table_catalog_flat_missing")
         collection = state.get("collection", {})
         if not isinstance(collection.get("counts"), dict):
             errors.append("collection_counts_missing")