Add an internal clipboard on the controller with undoable macro paste, and
Copy/Paste menu actions and shortcuts in the main window. Covered by a test.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Add left node-library dock (grouped, searchable, drag-and-drop vector
symbols), right property dock with type-aware grouped editors (incl.
geometry, catalogue single/multi, color, value list), zoom/pan/fit canvas
view accepting node drops, flow animator, configuration dialog, and the
MainWindow wiring menus/toolbar, undo/redo, delete/duplicate, calculate
flow, save/open (JSON), and PNG/SVG export. Includes a demo sample network,
entry points, and panel + app integration tests.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Add the QGraphicsView layer: NodeItem (SVG symbol + title + draggable,
snap-to-grid), PortItem (relation-colored anchors with compatibility
hints), EdgeItem (orthogonal routing, arc hops on crossings, line styles,
head/tail decorations, animated flow dashes), and DiagramScene binding the
document to items with edge-drawing interaction and a grid background.
Add EditorController with a QUndoStack (add/connect/delete/move/edit) and
scene interaction tests.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
