feat: add HoloLake folder import and official assistant

product-source/hololake-desktop/electron/main.ts

@@ -17,6 +17,7 @@ import { app, BrowserWindow, shell, dialog, ipcMain, safeStorage } from 'electro
 import path from 'path';
 import { spawn, ChildProcess } from 'child_process';
 import fs from 'fs';
+import { importKnowledgeFolder } from './folder-import.js';
 
 // ─── 配置 ───
 
@@ -130,7 +131,7 @@ function createWindow(): void {
     minHeight: 600,
     titleBarStyle: 'hiddenInset',
     trafficLightPosition: { x: 16, y: 16 },
-    backgroundColor: '#0d1117',
+    backgroundColor: '#f7f8fb',
     webPreferences: {
       preload: path.join(__dirname, 'preload.cjs'),
       contextIsolation: true,
@@ -157,6 +158,17 @@ function createWindow(): void {
 }
 
 ipcMain.handle('get-data-path', () => DATA_DIR);
+ipcMain.handle('knowledge:import-folder', async () => {
+  const selection = await dialog.showOpenDialog(mainWindow ?? undefined, {
+    title: '导入本地知识文件夹',
+    buttonLabel: '导入到 HoloLake',
+    properties: ['openDirectory'],
+  });
+  if (selection.canceled || !selection.filePaths[0]) {
+    return { cancelled: true, imported: 0, assets: 0, skipped: 0, failed: [] };
+  }
+  return importKnowledgeFolder(selection.filePaths[0], KB_REPO_PATH);
+});
 ipcMain.handle('agent:get-config', () => {
   const config = readModelConfig();
   return {