Add future annotations import to harmonise and convert_stream_polarsdf modules Create Performance Report for Legacy vs Polars Pipelines (Phases 2–9)

Fixes #502

Author: mattsan-dev

digital_land/phase_polars/transform/harmonise.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import polars as pl
 from datetime import date
 from calendar import monthrange

digital_land/utils/convert_stream_polarsdf.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import polars as pl
 from typing import Dict, List, Any, Iterator
 import io