fix linux desktop packaging paths (#1162)

Co-authored-by: xingzhi <chuzihao.czh@alibaba-inc.com>

packages/desktop/src/main/index.ts

@@ -1,7 +1,7 @@
 import { app, BrowserWindow, Menu, shell, ipcMain } from 'electron'
 import { join } from 'node:path'
 import { startWebUiServer, stopWebUiServer, getToken } from './webui-server'
-import { hermesBinExists, hermesBin } from './paths'
+import { desktopIcon, hermesBinExists, hermesBin } from './paths'
 import { initAutoUpdater } from './updater'
 
 const PORT = Number(process.env.HERMES_DESKTOP_PORT) || 8748
@@ -18,6 +18,7 @@ function createWindow() {
     title: 'Hermes Studio',
     backgroundColor: '#1a1a1a',
     autoHideMenuBar: true,
+    ...(process.platform === 'linux' ? { icon: desktopIcon() } : {}),
     webPreferences: {
       preload: join(__dirname, '..', 'preload', 'index.js'),
       contextIsolation: true,

packages/desktop/src/main/paths.ts

@@ -40,6 +40,11 @@ export function hermesBinExists(): boolean {
   return existsSync(hermesBin())
 }
 
+export function desktopIcon(): string {
+  if (app.isPackaged) return resolve(process.resourcesPath, 'build', 'icon.png')
+  return resolve(app.getAppPath(), 'build', 'icon.png')
+}
+
 export function webUiHome(): string {
   return process.env.HERMES_WEB_UI_HOME?.trim() || resolve(homedir(), '.hermes-web-ui')
 }

packages/desktop/src/main/webui-server.ts

@@ -147,6 +147,7 @@ export async function startWebUiServer(port = DEFAULT_PORT): Promise<string> {
     // macOS/Linux keep the standard ~/.hermes layout.
     HERMES_HOME: agentHome,
     HERMES_WEB_UI_HOME: home,
+    HERMES_WEBUI_STATE_DIR: home,
     AUTH_TOKEN: token,
     PORT: String(port),
     // Prepend bundled Python's bin to PATH so any incidental `python` resolution lands on ours