Integrates an editor accessible via "Letzte Aufnahme bearbeiten…" or
"Bild bearbeiten…" in the menu bar. Supports arrow, rectangle, ellipse,
and text annotations with color picker, line width, undo/redo, and
export to file or clipboard.
New files in Sources/Editor/:
- AnnotationItem/Document: data model and state management
- AnnotationCanvasView: NSView with CG rendering and mouse interaction
- AnnotationRenderer: shared rendering for canvas and image export
- EditorToolbarView: SwiftUI toolbar with tool selection and actions
- EditorWindowController: window lifecycle following SettingsWindowController pattern
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
