Normalize frozen profile CSV line endings

runs/frontier-qwen30-vllm020-profile-v1/freeze_frontier_profiles.py

@@ -185,7 +185,12 @@ def parse_batch_spec(spec: str) -> list[tuple[int, int]]:
 def write_csv(path: Path, fieldnames: list[str], rows: list[dict[str, Any]]) -> None:
     path.parent.mkdir(parents=True, exist_ok=True)
     with path.open("w", newline="") as handle:
-        writer = csv.DictWriter(handle, fieldnames=fieldnames, extrasaction="raise")
+        writer = csv.DictWriter(
+            handle,
+            fieldnames=fieldnames,
+            extrasaction="raise",
+            lineterminator="\n",
+        )
         writer.writeheader()
         writer.writerows(rows)