- Extracted external editor handling logic into shared utility module to reduce code duplication across hook-editor and input-controller components.
- Created new external-editor utility module with getEditorCommand() and openInEditor() functions for centralizing editor process management and temporary file handling.
- Simplified hook-editor component by replacing manual editor spawning and file operations with openInEditor() utility function call.
- Simplified input-controller component by replacing manual editor spawning and file operations with openInEditor() utility function call.