dry run migration

backend/src/core/superset_client.py

@@ -336,6 +336,25 @@ class SupersetClient:
             }
     # [/DEF:get_dashboard_detail:Function]
 
+    # [DEF:get_charts:Function]
+    # @PURPOSE: Fetches all charts with pagination support.
+    # @PARAM: query (Optional[Dict]) - Optional query params/columns/filters.
+    # @PRE: Client is authenticated.
+    # @POST: Returns total count and charts list.
+    # @RETURN: Tuple[int, List[Dict]]
+    def get_charts(self, query: Optional[Dict] = None) -> Tuple[int, List[Dict]]:
+        with belief_scope("get_charts"):
+            validated_query = self._validate_query_params(query or {})
+            if "columns" not in validated_query:
+                validated_query["columns"] = ["id", "uuid", "slice_name", "viz_type"]
+
+            paginated_data = self._fetch_all_pages(
+                endpoint="/chart/",
+                pagination_options={"base_query": validated_query, "results_field": "result"},
+            )
+            return len(paginated_data), paginated_data
+    # [/DEF:get_charts:Function]
+
     # [DEF:_extract_chart_ids_from_layout:Function]
     # @PURPOSE: Traverses dashboard layout metadata and extracts chart IDs from common keys.
     # @PRE: payload can be dict/list/scalar.