feat: 完善一级关系参数化建模与参数导出

step_editor/isolated_edit_worker.py

@@ -144,6 +144,24 @@ def _execute(model: StepModel, operation: str, args: list[object]) -> str:
     raise ValueError(f"Unsupported isolated edit operation: {operation}")
 
 
+def _load_request_model(path: Path, file_format: str) -> StepModel:
+    if file_format == "brep":
+        return StepModel.load_internal_brep(path)
+    if file_format == "step":
+        return StepModel.load(path)
+    raise ValueError(f"Unsupported isolated edit input format: {file_format}")
+
+
+def _export_response_model(model: StepModel, path: Path, file_format: str) -> None:
+    if file_format == "brep":
+        model.export_internal_brep(path)
+        return
+    if file_format == "step":
+        model.export_all(path)
+        return
+    raise ValueError(f"Unsupported isolated edit output format: {file_format}")
+
+
 def run_request(request: str | Path) -> int:
     request_path = Path(request)
     response_path = request_path.with_suffix(".response.json")
@@ -153,10 +171,12 @@ def run_request(request: str | Path) -> int:
         output_path = Path(str(request["output_path"]))
         operation = str(request["operation"])
         args = list(request.get("args") or [])
+        input_format = str(request.get("input_format") or "step").strip().lower()
+        output_format = str(request.get("output_format") or input_format).strip().lower()
 
-        model = StepModel.load(input_path)
+        model = _load_request_model(input_path, input_format)
         message = _execute(model, operation, args)
-        model.export_all(output_path)
+        _export_response_model(model, output_path, output_format)
         response_path.write_text(
             json.dumps(
                 {
@@ -164,6 +184,7 @@ def run_request(request: str | Path) -> int:
                     "message": message,
                     "stats": model.stats().__dict__,
                     "output_path": str(output_path),
+                    "output_format": output_format,
                 },
                 ensure_ascii=False,
                 indent=2,