task(CAD-14): phase 4c - legacy interaction engine DELETED (1173 lines), dispatcher is the single engine (native snap/ortho/pan/wheel/cursor), ToolState moved to ui.types

frontend/tests/dispatcher.test.ts

@@ -12,6 +12,9 @@ import type { ZoomPanController } from '../src/canvas/ZoomPanController';
 function makeFakeZoomPan(): ZoomPanController {
   return {
     screenToWorld: (sx: number, sy: number) => ({ x: sx * 2, y: sy * 3 }),
+    // CAD-14 Phase 4c: natives Pan/Wheel im Dispatcher (spies für Assertions)
+    pan: vi.fn(),
+    zoomAt: vi.fn(),
   } as unknown as ZoomPanController;
 }
 
@@ -60,11 +63,12 @@ describe('InteractionDispatcher', () => {
   function setup(tool?: ToolExtensionV2) {
     canvas = document.createElement('canvas');
     document.body.appendChild(canvas);
+    const zoomPan = makeFakeZoomPan();
     const dispatcher = new InteractionDispatcher(canvas, {
-      zoomPan: makeFakeZoomPan(),
+      zoomPan,
       toolLookup: tool ? () => tool : undefined,
     });
-    return { dispatcher };
+    return { dispatcher, zoomPan };
   }
 
   it('routet down→move→up in Reihenfolge an das aktive Tool', () => {
@@ -103,13 +107,17 @@ describe('InteractionDispatcher', () => {
     expect(log).toEqual(['down', 'cancel']);
   });
 
-  it('Rechtsklick bricht ab, ohne down durchzureichen', () => {
+  it('Rechtsklick startet natives Pan (kein Tool-Event)', () => {
     const { tool, log } = makeRecordingTool();
-    const { dispatcher } = setup(tool);
+    const { dispatcher, zoomPan } = setup(tool);
     dispatcher.setActive('fake');
 
     fire(canvas, 'pointerdown', { button: 2 });
-    expect(log).toEqual(['cancel']);
+    fire(window, 'pointermove', { clientX: 120, clientY: 60 });
+    fire(window, 'pointerup', { button: 2, clientX: 120, clientY: 60 });
+    // CAD-14 Phase 4c: Rechtsklick = natives Pan, Tool bleibt unberührt
+    expect(log).toEqual([]);
+    expect(zoomPan.pan).toHaveBeenCalled();
   });
 
   it('setActive(null) deaktiviert Routing komplett', () => {