feat: M7 知识图谱卡片+连线视图（消费 IPC.graph，d3-force 力导向，星标/分组色/点击打开；GraphView 思维导图/知识图谱 双模切换）

apps/desktop/package.json

@@ -63,10 +63,18 @@
   },
   "devDependencies": {
     "@playwright/test": "^1.62.1",
+    "@types/d3-drag": "^3.0.7",
+    "@types/d3-force": "^3.0.10",
+    "@types/d3-selection": "^3.0.11",
+    "@types/d3-zoom": "^3.0.8",
     "@types/node": "^20.0.0",
     "@types/react": "^18.3.0",
     "@types/react-dom": "^18.3.0",
     "cross-env": "^10.1.0",
+    "d3-drag": "^3.0.0",
+    "d3-force": "^3.0.0",
+    "d3-selection": "^3.0.0",
+    "d3-zoom": "^3.0.0",
     "electron": "^30.0.0",
     "electron-builder": "^26.15.3",
     "electron-vite": "^2.3.0",

apps/desktop/src/renderer/features/graph/GraphView.tsx

@@ -1,9 +1,10 @@
-import { useEffect, useRef } from 'react';
+import { useEffect, useRef, useState } from 'react';
 import { Markmap } from 'markmap-view';
 import { useStore } from '../../store';
 import type { TreeNode } from '@hunter/shared';
+import { LinkGraph } from './LinkGraph';
 
-// markmap 的纯数据节点（与 markmap-common IPureNode 结构一致：content/children/payload）
+// markmap 的纯数据节点（content/children/payload）
 type PureNode = {
   content: string;
   payload?: Record<string, unknown>;
@@ -15,7 +16,6 @@ const escapeHtml = (s: string) => s.replace(/[&<>"']/g, (c) => HTML_ESCAPES[c]);
 
 type NodeType = 'root' | 'folder' | 'doc';
 
-// 把扁平 TreeNode[]（parent 引用）转成 markmap 的树
 function toMarkmapTree(nodes: TreeNode[]): PureNode {
   const byParent = new Map<string, TreeNode[]>();
   for (const n of nodes) {
@@ -23,22 +23,16 @@ function toMarkmapTree(nodes: TreeNode[]): PureNode {
     arr.push(n);
     byParent.set(n.parent, arr);
   }
-
   const build = (path: string, type: NodeType, name: string): PureNode => {
     const cls = type === 'root' ? 'mm-root' : type === 'folder' ? 'mm-folder' : 'mm-doc';
     const icon = type === 'root' ? '🗂' : type === 'folder' ? '📁' : '📄';
     const kids = type === 'doc' ? [] : (byParent.get(path) ?? []);
     return {
-      content:
+      content: '<span class="mm-node ' + cls + '"><span class="mm-ico">' + icon + '</span><span class="mm-name">' + escapeHtml(name) + '</span></span>',
-        '<span class="mm-node ' + cls + '">' +
-        '<span class="mm-ico">' + icon + '</span>' +
-        '<span class="mm-name">' + escapeHtml(name) + '</span>' +
-        '</span>',
       payload: { type, path, name },
       children: kids.map((k) => build(k.path, k.type, k.name)),
     };
   };
-
   return build('', 'root', '库');
 }
 
@@ -48,7 +42,6 @@ const MARKMAP_OPTIONS = {
   initialExpandLevel: 2,
   maxWidth: 320,
   paddingX: 12,
-  // 颜色：根/文件夹为蓝色系，文档为灰，避免默认彩虹色干扰阅读
   color: (node: { payload?: Record<string, unknown> }) => {
     const t = node.payload?.type as NodeType | undefined;
     if (t === 'doc') return '#9aa0aa';
@@ -57,24 +50,19 @@ const MARKMAP_OPTIONS = {
   },
 };
 
-export function GraphView() {
+function MindmapTree() {
   const svgRef = useRef<SVGSVGElement>(null);
   const mmRef = useRef<Markmap | null>(null);
   const { tree, openDoc } = useStore();
 
-  // 建一次 markmap 实例 + 点击委托
   useEffect(() => {
     const svg = svgRef.current;
     if (!svg) return;
-
     const mm = new Markmap(svg, MARKMAP_OPTIONS);
     mmRef.current = mm;
-
-    // 点击文档节点 → 打开；点击文件夹文字 → 折叠/展开（与圆点行为一致）
     const onClick = (e: MouseEvent) => {
       const target = e.target as Element | null;
       if (!target) return;
-      // 折叠圆点交给 markmap 自身处理，避免双重 toggle
       if ((target as SVGElement).tagName === 'circle') return;
       const nodeEl = (target as HTMLElement).closest?.('.mm-node') as Element | null;
       if (!nodeEl) return;
@@ -90,7 +78,6 @@ export function GraphView() {
       }
     };
     svg.addEventListener('click', onClick, true);
-
     return () => {
       svg.removeEventListener('click', onClick, true);
       try { mm.destroy(); } catch {}
@@ -98,7 +85,6 @@ export function GraphView() {
     };
   }, [openDoc]);
 
-  // tree 变化时刷新数据（新建/删除/重命名后自动更新，无需重新进入图谱视图）
   useEffect(() => {
     const mm = mmRef.current;
     if (!mm || tree.length === 0) return;
@@ -123,3 +109,20 @@ export function GraphView() {
     </div>
   );
 }
+
+function tabBtn(active: boolean): React.CSSProperties {
+  return { padding: '3px 10px', fontSize: 12, background: active ? '#2a2a3a' : 'transparent', color: active ? '#fff' : '#888', border: '1px solid #2a2a3a', borderRadius: 4, cursor: 'pointer' };
+}
+
+export function GraphView() {
+  const [mode, setMode] = useState<'mindmap' | 'graph'>('mindmap');
+  return (
+    <div style={{ flex: 1, position: 'relative', overflow: 'hidden', background: '#111' }}>
+      <div style={{ position: 'absolute', top: 8, left: 8, zIndex: 10, display: 'flex', gap: 4 }}>
+        <button style={tabBtn(mode === 'mindmap')} onClick={() => setMode('mindmap')}>思维导图</button>
+        <button style={tabBtn(mode === 'graph')} onClick={() => setMode('graph')}>知识图谱</button>
+      </div>
+      {mode === 'mindmap' ? <MindmapTree /> : <LinkGraph />}
+    </div>
+  );
+}

apps/desktop/src/renderer/features/graph/LinkGraph.tsx

@@ -0,0 +1,101 @@
+import { useEffect, useRef, useState } from 'react';
+import { select } from 'd3-selection';
+import { forceSimulation, forceLink, forceManyBody, forceCenter, forceCollide, type SimulationNodeDatum } from 'd3-force';
+import { zoom } from 'd3-zoom';
+import { drag } from 'd3-drag';
+import { useStore } from '../../store';
+import { IPC, type GraphData, type GraphNode } from '@hunter/shared';
+
+// M7 知识图谱：消费 IPC.graph（buildGraphData）渲染文档卡片 + frontmatter links 连线
+// 卡片颜色取自后端按顶层文件夹分配的 12 色轮；星标文档带 ★；点击卡片打开文档
+type SimNode = GraphNode & SimulationNodeDatum;
+
+const CARD_W = 160, CARD_H = 34;
+const truncate = (s: string, n: number) => (s.length > n ? s.slice(0, n - 1) + '…' : s);
+
+export function LinkGraph() {
+  const svgRef = useRef<SVGSVGElement>(null);
+  const { openDoc } = useStore();
+  const [data, setData] = useState<GraphData | null>(null);
+  const [err, setErr] = useState<string | null>(null);
+
+  // 拉取图数据
+  useEffect(() => {
+    let alive = true;
+    (async () => {
+      try {
+        const d = (await (globalThis as any).dsh.invoke(IPC.graph)) as GraphData;
+        if (alive) setData(d);
+      } catch (e: any) {
+        if (alive) setErr(e?.message ?? String(e));
+      }
+    })();
+    return () => { alive = false; };
+  }, []);
+
+  // 建模拟 + 渲染
+  useEffect(() => {
+    if (!data || !svgRef.current) return;
+    const svgEl = svgRef.current;
+    const W = svgEl.clientWidth || 800, H = svgEl.clientHeight || 600;
+    const svg = select(svgEl);
+    svg.selectAll('*').remove();
+    const g = svg.append('g');
+
+    // 平移/缩放
+    const zoomBeh = zoom<SVGSVGElement, unknown>().scaleExtent([0.2, 4]).on('zoom', (ev: any) => g.attr('transform', ev.transform));
+    (svg as any).call(zoomBeh);
+
+    const n = Math.max(1, data.nodes.length);
+    const nodes: SimNode[] = data.nodes.map((node, i) => ({
+      ...node,
+      x: W / 2 + Math.cos((2 * Math.PI * i) / n) * 220,
+      y: H / 2 + Math.sin((2 * Math.PI * i) / n) * 220,
+    }));
+    const idx = new Map(nodes.map((nd) => [nd.id, nd] as const));
+    const links = data.edges
+      .filter((e) => idx.has(e.source) && idx.has(e.target))
+      .map((e) => ({ source: idx.get(e.source)!, target: idx.get(e.target)! }));
+
+    const linkSel = g.append('g').attr('stroke', '#3a3a4a').attr('stroke-opacity', 0.6)
+      .selectAll('line').data(links).join('line').attr('stroke-width', 1);
+
+    // 力导向模拟（先建，拖拽回调引用之）
+    const sim = forceSimulation<SimNode>(nodes)
+      .force('link', (forceLink as any)(links).id((d: any) => d.id).distance(130).strength(0.2))
+      .force('charge', forceManyBody().strength(-360))
+      .force('center', forceCenter(W / 2, H / 2))
+      .force('collide', forceCollide(85));
+
+    const nodeSel = g.append('g').selectAll('g').data(nodes).join('g').attr('cursor', 'pointer')
+      .call(drag<SVGGElement, SimNode>()
+        .on('start', (ev: any, d: any) => { if (!ev.active) sim.alphaTarget(0.3).restart(); d.fx = d.x; d.fy = d.y; })
+        .on('drag', (ev: any, d: any) => { d.fx = ev.x; d.fy = ev.y; })
+        .on('end', (ev: any, d: any) => { if (!ev.active) sim.alphaTarget(0); d.fx = null; d.fy = null; }) as any);
+
+    // 卡片：外框（描边=分组色）+ 左侧色条 + 标题 + 星标
+    nodeSel.append('rect').attr('x', -CARD_W / 2).attr('y', -CARD_H / 2).attr('width', CARD_W).attr('height', CARD_H).attr('rx', 5)
+      .attr('fill', '#1f1f2a').attr('stroke', (d) => d.color || '#3a3a4a').attr('stroke-width', 1.5);
+    nodeSel.append('rect').attr('x', -CARD_W / 2).attr('y', -CARD_H / 2).attr('width', 4).attr('height', CARD_H).attr('fill', (d) => d.color || '#5db0ff');
+    nodeSel.append('text').attr('x', -CARD_W / 2 + 12).attr('y', 2).attr('fill', '#ddd').attr('font-size', 12).attr('font-family', 'sans-serif')
+      .text((d) => truncate(d.title, 16));
+    nodeSel.filter((d) => d.star).append('text').attr('x', CARD_W / 2 - 14).attr('y', 4).attr('fill', '#f5c542').attr('font-size', 12).text('★');
+
+    nodeSel.on('click', (_ev: any, d: any) => { if (d.basePath) openDoc(d.basePath); });
+
+    sim.on('tick', () => {
+      linkSel.attr('x1', (d: any) => d.source.x).attr('y1', (d: any) => d.source.y).attr('x2', (d: any) => d.target.x).attr('y2', (d: any) => d.target.y);
+      nodeSel.attr('transform', (d: any) => 'translate(' + d.x + ',' + d.y + ')');
+    });
+
+    return () => { sim.stop(); (svg as any).on('.zoom', null); };
+  }, [data, openDoc]);
+
+  return (
+    <div style={{ flex: 1, background: '#111', position: 'relative', overflow: 'hidden' }}>
+      <svg ref={svgRef} style={{ position: 'absolute', inset: 0, width: '100%', height: '100%' }} />
+      {err && <div style={{ position: 'absolute', top: 8, left: 8, color: '#f88', fontSize: 12 }}>图谱加载失败：{err}</div>}
+      {data && data.nodes.length === 0 && <div style={{ position: 'absolute', top: 8, left: 8, color: '#888', fontSize: 12 }}>暂无文档（先建几篇笔记）</div>}
+    </div>
+  );
+}

apps/desktop/tests/e2e/graph.spec.ts

@@ -0,0 +1,42 @@
+import { test, expect } from '@playwright/test';
+import { _electron as electron } from 'playwright';
+import { promises as fs } from 'node:fs';
+import nodePath from 'node:path';
+import os from 'node:os';
+
+const MAIN_JS = nodePath.join(process.cwd(), 'dist-electron/main/index.js');
+
+async function launch(userData: string) {
+  const app = await electron.launch({ args: ['--user-data-dir=' + userData, MAIN_JS] });
+  const page = await app.firstWindow();
+  await page.waitForLoadState('domcontentloaded');
+  const invoke = (ch: string, args: any) => page.evaluate(({ ch, args }) => (globalThis as any).dsh.invoke(ch, args), { ch, args });
+  return { app, page, invoke };
+}
+
+test('知识图谱：卡片+连线（消费 IPC.graph）', async () => {
+  const tmp = await fs.mkdtemp(nodePath.join(os.tmpdir(), 'hn-graph-'));
+  const userData = nodePath.join(tmp, 'userdata');
+  const vault = nodePath.join(tmp, 'vault');
+  await fs.mkdir(userData, { recursive: true });
+  await fs.mkdir(vault, { recursive: true });
+
+  const a = await launch(userData);
+  await a.invoke('vault:switch', { root: vault });
+  await a.invoke('file:create', { basePath: '', name: 'a', isFolder: false });
+  await a.invoke('file:create', { basePath: '', name: 'b', isFolder: false });
+  await a.invoke('doc:write', { path: 'a.md', meta: { title: 'A篇', links: ['b.md'] }, body: '# A\n' });
+  await a.invoke('doc:write', { path: 'b.md', meta: { title: 'B篇' }, body: '# B\n' });
+
+  // IPC.graph：2 节点 + a→b 边
+  const gd: { nodes: { id: string; title: string; star: boolean; color: string }[]; edges: { source: string; target: string }[] } = await a.invoke('graph', null);
+  expect(gd.nodes.length).toBe(2);
+  expect(gd.nodes.some(n => n.title === 'A篇')).toBe(true);
+  expect(gd.edges.some(e => e.source === 'a.md' && e.target === 'b.md')).toBe(true);
+
+  // UI：先经 TitleBar 切到图谱视图（view 默认 editor），再切「知识图谱」模式
+  await a.page.getByTitle('切换 编辑器/图谱').click();
+  await a.page.getByRole('button', { name: '知识图谱' }).click();
+  await expect(a.page.locator('svg rect')).toHaveCount(4, { timeout: 10000 });
+  await a.app.close();
+});

pnpm-lock.yaml

@@ -120,6 +120,18 @@ importers:
       '@playwright/test':
         specifier: ^1.62.1
         version: 1.62.1
+      '@types/d3-drag':
+        specifier: ^3.0.7
+        version: 3.0.7
+      '@types/d3-force':
+        specifier: ^3.0.10
+        version: 3.0.10
+      '@types/d3-selection':
+        specifier: ^3.0.11
+        version: 3.0.11
+      '@types/d3-zoom':
+        specifier: ^3.0.8
+        version: 3.0.8
       '@types/node':
         specifier: ^20.0.0
         version: 20.19.43
@@ -132,6 +144,18 @@ importers:
       cross-env:
         specifier: ^10.1.0
         version: 10.1.0
+      d3-drag:
+        specifier: ^3.0.0
+        version: 3.0.0
+      d3-force:
+        specifier: ^3.0.0
+        version: 3.0.0
+      d3-selection:
+        specifier: ^3.0.0
+        version: 3.0.0
+      d3-zoom:
+        specifier: ^3.0.0
+        version: 3.0.0
       electron:
         specifier: ^30.0.0
         version: 30.5.1(supports-color@7.2.0)
@@ -919,6 +943,24 @@ packages:
   '@types/cacheable-request@6.0.3':
     resolution: {integrity: sha512-IQ3EbTzGxIigb1I3qPZc1rWJnH0BmSKv5QYTalEwweFvyBDLSAe24zP0le/hyi7ecGfZVlIVAg4BZqb8WBwKqw==}
 
+  '@types/d3-color@3.1.3':
+    resolution: {integrity: sha512-iO90scth9WAbmgv7ogoq57O9YpKmFBbmoEoCHDB2xMBY0+/KVrqAaCDyCE16dUspeOvIxFFRI+0sEtqDqy2b4A==}
+
+  '@types/d3-drag@3.0.7':
+    resolution: {integrity: sha512-HE3jVKlzU9AaMazNufooRJ5ZpWmLIoc90A37WU2JMmeq28w1FQqCZswHZ3xR+SuxYftzHq6WU6KJHvqxKzTxxQ==}
+
+  '@types/d3-force@3.0.10':
+    resolution: {integrity: sha512-ZYeSaCF3p73RdOKcjj+swRlZfnYpK1EbaDiYICEEp5Q6sUiqFaFQ9qgoshp5CzIyyb/yD09kD9o2zEltCexlgw==}
+
+  '@types/d3-interpolate@3.0.4':
+    resolution: {integrity: sha512-mgLPETlrpVV1YRJIglr4Ez47g7Yxjl1lj7YKsiMCb27VJH9W8NVM6Bb9d8kkpG/uAQS5AmbA48q2IAolKKo1MA==}
+
+  '@types/d3-selection@3.0.11':
+    resolution: {integrity: sha512-bhAXu23DJWsrI45xafYpkQ4NtcKMwWnAC/vKrd2l+nxMFuvOT3XMYTIj2opv8vq8AO5Yh7Qac/nSeP/3zjTK0w==}
+
+  '@types/d3-zoom@3.0.8':
+    resolution: {integrity: sha512-iqMC4/YlFCSlO8+2Ii1GGGliCAY4XdeG748w5vQUbevlbDu0zSjH/+jojorQVBK/se0j6DUFNPBGSqD3YWYnDw==}
+
   '@types/debug@4.1.13':
     resolution: {integrity: sha512-KSVgmQmzMwPlmtljOomayoR89W4FynCAi3E8PPs7vmDVPe84hT+vGPKkJfThkmXs0x0jAaa9U8uW8bbfyS2fWw==}
 
@@ -3512,6 +3554,25 @@ snapshots:
       '@types/node': 20.19.43
       '@types/responselike': 1.0.3
 
+  '@types/d3-color@3.1.3': {}
+
+  '@types/d3-drag@3.0.7':
+    dependencies:
+      '@types/d3-selection': 3.0.11
+
+  '@types/d3-force@3.0.10': {}
+
+  '@types/d3-interpolate@3.0.4':
+    dependencies:
+      '@types/d3-color': 3.1.3
+
+  '@types/d3-selection@3.0.11': {}
+
+  '@types/d3-zoom@3.0.8':
+    dependencies:
+      '@types/d3-interpolate': 3.0.4
+      '@types/d3-selection': 3.0.11
+
   '@types/debug@4.1.13':
     dependencies:
       '@types/ms': 2.1.0