refactor: address Gemini review comments

- _build_standard_jobs now accepts job_fn parameter; microscale
  single-file fallback reuses it instead of duplicating the loop

Signed-off-by: David Zheng <dqzheng1996@gmail.com>

Author: dzhengAP

src/llmcompressor/entrypoints/model_free/__init__.py

@@ -121,22 +121,15 @@ def _build_standard_jobs(
     ignore: Iterable[str],
     device: torch.device,
     converter: Converter | None,
+    job_fn: callable = process_file,
 ) -> list[tuple]:
-    """Build one job per safetensors file for non-microscale schemes."""
+    """Build one job per safetensors file using the given processing function."""
     jobs = []
     for file_path, resolved_path in model_files.items():
         if file_path.endswith("safetensors"):
             save_path = Path(save_directory) / file_path
             jobs.append(
-                (
-                    process_file,
-                    resolved_path,
-                    save_path,
-                    scheme,
-                    ignore,
-                    device,
-                    converter,
-                )
+                (job_fn, resolved_path, save_path, scheme, ignore, device, converter)
             )
     return jobs
 
@@ -163,22 +156,15 @@ def _build_microscale_jobs(
 
     if index_file is None:
         # Single-file model (no index.json) — use standard microscale path
-        jobs = []
-        for file_path, resolved_path in model_files.items():
-            if file_path.endswith("safetensors"):
-                save_path = Path(save_directory) / file_path
-                jobs.append(
-                    (
-                        process_file_microscale_scheme,
-                        resolved_path,
-                        save_path,
-                        scheme,
-                        ignore,
-                        device,
-                        converter,
-                    )
-                )
-        return jobs
+        return _build_standard_jobs(
+            model_files,
+            save_directory,
+            scheme,
+            ignore,
+            device,
+            converter,
+            job_fn=process_file_microscale_scheme,
+        )
 
     # Read weight map to determine cross-shard fused weight groupings
     with open(index_file, "r") as f: