task(A4.4): migrate text/dimension/leader tools to v2 annotate plugin

frontend/tests/pilotTools.test.ts

@@ -6,6 +6,7 @@
 import { describe, it, expect, vi } from 'vitest';
 import { lineTool, coreDrawingPlugin } from '../src/plugins/builtin/core-drawing';
 import { selectTool, coreModifyPlugin } from '../src/plugins/builtin/core-modify';
+import { coreAnnotatePlugin } from '../src/plugins/builtin/core-annotate';
 import { CADDocument } from '../src/kernel/document/CADDocument';
 import { createInMemoryDoc } from './helpers/inMemoryDoc';
 import type { ToolPointerEvent, FullToolContext } from '../src/plugins/types';
@@ -199,6 +200,66 @@ describe('A4.3 pilot: polyline/polygon tools', () => {
   });
 });
 
+describe('A4.4 pilot: annotate tools', () => {
+  it('dimension: down→up committet mit x1..y2-Properties; undo entfernt', () => {
+    const { ydoc } = createInMemoryDoc();
+    const doc = new CADDocument(ydoc);
+    const ctx = makeCtx({ doc });
+    const dim = coreAnnotatePlugin.tools!.find((t) => t.manifest.id === 'dimension')!;
+
+    dim.handlers.down!(pe(0, 0), ctx);
+    dim.handlers.move!(pe(60, 0), ctx);   // Preview war da
+    expect(ctx.previews.length).toBe(1);
+    dim.handlers.up!(pe(60, 0), ctx);
+
+    const all = doc.getAllElements();
+    expect(all.length).toBe(1);
+    expect(all[0].type).toBe('dimension');
+    expect(all[0].x).toBe(30);                     // Mitte
+    expect(all[0].properties.x2).toBe(60);
+    expect(all[0].width).toBeCloseTo(60);          // dist als Breite wie Legacy
+
+    expect(doc.undo()).toBe(true);
+    expect(doc.getAllElements().length).toBe(0);
+  });
+
+  it('leader: übernimmt Text/fontSize-Konvention aus Legacy', () => {
+    const { ydoc } = createInMemoryDoc();
+    const doc = new CADDocument(ydoc);
+    const ctx = makeCtx({ doc });
+    const leader = coreAnnotatePlugin.tools!.find((t) => t.manifest.id === 'leader')!;
+
+    leader.handlers.down!(pe(10, 20), ctx);
+    leader.handlers.up!(pe(80, 90), ctx);
+
+    const all = doc.getAllElements();
+    expect(all.length).toBe(1);
+    expect(all[0].type).toBe('leader');
+    expect(all[0].properties.x1).toBe(10);
+    expect(all[0].properties.y2).toBe(90);
+    expect(all[0].properties.text).toBe('');
+    expect(all[0].properties.fontSize).toBe(12);
+  });
+
+  it('text: Einzelklick platziert leeres Textelement mit fontSize-Option', () => {
+    const { ydoc } = createInMemoryDoc();
+    const doc = new CADDocument(ydoc);
+    const ctx = makeCtx({ doc, options: { fontSize: 18 } });
+    const txt = coreAnnotatePlugin.tools!.find((t) => t.manifest.id === 'text')!;
+
+    txt.handlers.down!(pe(40, 70), ctx);   // kein up nötig — single-point tool
+
+    const all = doc.getAllElements();
+    expect(all.length).toBe(1);
+    expect(all[0].type).toBe('text');
+    expect(all[0].x).toBe(40);
+    expect(all[0].y).toBe(70);
+    expect(all[0].width).toBe(100);        // Legacy-Default-BBox
+    expect(all[0].properties.fontSize).toBe(18); // aus options statt Default 12
+    expect(all[0].properties.text).toBe('');
+  });
+});
+
 describe('A3 pilot: select tool', () => {
   function makeBridge(elements: CADElement[]) {
     let ids: string[] = [];