task(A4.6): migrate move/copy tools to v2 with selection-based workflow

frontend/tests/pilotTools.test.ts

@@ -348,6 +348,91 @@ describe('A4.5 pilot: hatch tool', () => {
   });
 });
 
+describe('A4.6 pilot: move/copy tools', () => {
+  it('move verschiebt selektierte Elemente in EINER Transaktion (undo entfernt Versatz)', () => {
+    const { ydoc } = createInMemoryDoc();
+    const doc = new CADDocument(ydoc);
+    doc.addElement(makeEl('m1'));
+    doc.addElement(makeEl('m2'));
+    let selIds = ['m1', 'm2'];
+    const bridge = {
+      getIds: () => selIds,
+      setIds: (ids: string[]) => {
+        selIds = ids;
+      },
+      hitTest: () => null,
+    };
+    const ctx = makeCtx({ doc, selection: bridge });
+    const move = coreModifyPlugin.tools!.find((t) => t.manifest.id === 'move')!;
+    const origM1x = doc.getElement('m1')!.x;
+    const origY = doc.getElement('m1')!.y;
+
+    move.handlers.down!(pe(0, 0), ctx);   // Basispunkt
+    move.handlers.down!(pe(50, -20), ctx); // Zielklick → Commit
+
+    expect(doc.getElement('m1')!.x).toBe(origM1x + 50);
+    expect(doc.getElement('m2')!.y).toBe(origY - 20);
+    // EINE Transaktion für beide → ein undo stellt beide wieder her:
+    expect(doc.undo()).toBe(true);
+    expect(doc.getElement('m1')!.x).toBe(origM1x);
+    expect(doc.getElement('m2')!.y).toBe(origY);
+  });
+
+  it('copy erzeugt neue Elemente (IDs neu) ohne Original zu veraendern', () => {
+    const { ydoc } = createInMemoryDoc();
+    const doc = new CADDocument(ydoc);
+    doc.addElement(makeEl('o1'));
+    let selIds = ['o1'];
+    const bridge = {
+      getIds: () => selIds,
+      setIds: (ids: string[]) => {
+        selIds = ids;
+      },
+      hitTest: () => null,
+    };
+    const ctx = makeCtx({ doc, selection: bridge });
+    const copy = coreModifyPlugin.tools!.find((t) => t.manifest.id === 'copy')!;
+
+    copy.handlers.down!(pe(0, 0), ctx);
+    copy.handlers.down!(pe(100, 100), ctx);
+
+    const all = doc.getAllElements();
+    expect(all.length).toBe(2);              // Original + Kopie
+    expect(all[0].id).toBe('o1');            // Original unberührt
+    expect(all[0].x).not.toBe(all[1].x);     // Kopie versetzt
+    expect(all[1].id).not.toBe('o1');        // neue ID
+    expect(all[1].type).toBe(all[0].type);   // gleicher Typ
+
+    expect(doc.undo()).toBe(true);
+    expect(doc.getAllElements().length).toBe(1); // nur Original bleibt
+  });
+
+  it('Komfort: bei leerer Selektion wird Element unter Klick auto-gewählt', () => {
+    const { ydoc } = createInMemoryDoc();
+    const doc = new CADDocument(ydoc);
+    const target = makeEl('auto');
+    target.x = 10;
+    target.y = 10;
+    doc.addElement(target);
+    let selIds2: string[] = [];
+    const bridge = {
+      getIds: () => selIds2,
+      setIds: (ids: string[]) => {
+        selIds2 = ids;
+      },
+      hitTest: () => target,
+    };
+    const ctx = makeCtx({ doc, selection: bridge });
+    const move = coreModifyPlugin.tools!.find((t) => t.manifest.id === 'move')!;
+
+    move.handlers.down!(pe(10, 10), ctx);   // Basis + Auto-Select
+    expect(selIds2).toEqual(['auto']);
+    move.handlers.down!(pe(30, 30), ctx);   // Zielklick (Δ=+20)
+
+    expect(doc.getElement('auto')!.x).toBe(30); // 10+Δ20
+  });
+});
+
 describe('A3 pilot: select tool', () => {
   function makeBridge(elements: CADElement[]) {
     let ids: string[] = [];