first commit

exectrace/core/editor.py

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+from __future__ import annotations
+
+from typing import Union
+
+from exectrace.core.models import Workflow
+from exectrace.storage.factory import get_storage
+from exectrace.storage.json_storage import JsonStorage
+from exectrace.storage.xml_storage import XmlStorage
+
+
+class WorkflowEditor:
+    """Load, modify, and save workflows programmatically."""
+
+    def __init__(self, storage: Union[JsonStorage, XmlStorage] | None = None) -> None:
+        self.storage = storage or get_storage("json")
+
+    def load(self, name: str) -> Workflow:
+        return self.storage.load_workflow(name)
+
+    def save(self, workflow: Workflow) -> None:
+        self.storage.save_workflow(workflow)
+
+    def remove_action(self, workflow: Workflow, index: int) -> None:
+        if index < 0 or index >= len(workflow.actions):
+            raise IndexError("Action index out of range")
+        workflow.actions.pop(index)