feat(M2): FR-E6 链接气泡+图片入库——LinkBubbleMenu(编辑/移除href)；ImageView 节点视图(相对路径转 vaultasset:// 协议展示)；assetPickImage/assetWrite IPC + .attachments 入库；剪贴板粘贴图片入库；工具栏 链接/图片/网图 按钮；CSP 放行 vaultasset:；editor-link-image E2E 3 项

apps/desktop/src/main/services/file-service.ts

@@ -119,6 +119,24 @@ export class FileService {
     return destRel;
   }
 
+  // FR-E6：导入本地图片到 .attachments，返回库内相对路径（POSIX）
+  async importAsset(srcAbs: string): Promise<string> {
+    await fs.mkdir(nodePath.join(this.root, ATTACHMENTS_DIR), { recursive: true });
+    const finalName = await dedupeName(this.root, ATTACHMENTS_DIR, sanitizeName(nodePath.basename(srcAbs)));
+    const destRel = joinRel(ATTACHMENTS_DIR, finalName);
+    await fs.copyFile(srcAbs, this.abs(destRel));
+    return destRel;
+  }
+
+  // FR-E6：写入图片字节(base64)到 .attachments，返回库内相对路径（剪贴板粘贴入库）
+  async writeAsset(name: string, dataBase64: string): Promise<string> {
+    await fs.mkdir(nodePath.join(this.root, ATTACHMENTS_DIR), { recursive: true });
+    const finalName = await dedupeName(this.root, ATTACHMENTS_DIR, sanitizeName(name));
+    const destRel = joinRel(ATTACHMENTS_DIR, finalName);
+    await fs.writeFile(this.abs(destRel), Buffer.from(dataBase64, 'base64'));
+    return destRel;
+  }
+
   async readDoc(path: string): Promise<ReadDocResult> {
     const abs = this.abs(path);
     const raw = await fs.readFile(abs, 'utf8');

apps/desktop/src/main/services/vault-service.ts

@@ -46,6 +46,17 @@ export class VaultService {
     return result.filePaths[0];
   }
 
+  // FR-E6：选择本地图片并导入 .attachments，返回库内相对路径（null=取消）
+  async pickImage(): Promise<string | null> {
+    if (!this.fileService) throw new Error('vault not initialized');
+    const r = await dialog.showOpenDialog({
+      properties: ['openFile'],
+      filters: [{ name: '图片', extensions: ['png', 'jpg', 'jpeg', 'gif', 'webp', 'svg', 'bmp', 'ico'] }],
+    });
+    if (r.canceled || r.filePaths.length === 0) return null;
+    return this.fileService.importAsset(r.filePaths[0]);
+  }
+
   async switch(root: string): Promise<VaultMeta> {
     // 校验是存在的目录
     const stat = await fs.stat(root).catch(() => null);