initialize Electron desktop app and remove unused files

tests/server/profile-delete-managed-gateway.test.ts

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+import { EventEmitter } from 'events'
+import { mkdir, mkdtemp, rm, writeFile } from 'fs/promises'
+import { tmpdir } from 'os'
+import { join } from 'path'
+import { afterEach, describe, expect, it, vi } from 'vitest'
+
+const originalEnv = { ...process.env }
+const originalPlatform = Object.getOwnPropertyDescriptor(process, 'platform')
+
+class FakeChild extends EventEmitter {
+  pid: number
+  killSignals: string[] = []
+
+  constructor(pid: number) {
+    super()
+    this.pid = pid
+  }
+
+  unref() { /* no-op */ }
+
+  kill(signal?: string) {
+    this.killSignals.push(signal || 'SIGTERM')
+    return true
+  }
+}
+
+let fakeChildren: FakeChild[] = []
+
+vi.mock('../../packages/server/src/services/hermes/hermes-process', () => ({
+  execHermesWithBin: vi.fn().mockResolvedValue({ stdout: '', stderr: '' }),
+  spawnHermesWithBin: vi.fn(() => {
+    const child = new FakeChild(20000 + fakeChildren.length)
+    fakeChildren.push(child)
+    return child
+  }),
+}))
+
+afterEach(() => {
+  vi.useRealTimers()
+  vi.restoreAllMocks()
+  vi.resetModules()
+  process.env = { ...originalEnv }
+  if (originalPlatform) Object.defineProperty(process, 'platform', originalPlatform)
+  fakeChildren = []
+})
+
+describe('profile delete managed gateway lifecycle', () => {
+  it('reproduces #1633 and proves delete prep suppresses managed respawn', async () => {
+    vi.useFakeTimers()
+    vi.resetModules()
+    // 固定 platform：停止网关的手段随平台不同（POSIX 走 child.kill('SIGTERM')，
+    // Windows 走 taskkill 杀进程树）。不固定的话这个用例在 Windows 上会因为
+    // taskkill 是异步的而读不到 killSignals，而且会真的拿假 pid 去杀进程。
+    // Windows 分支由 gateway-respawn.test.ts 单独覆盖。
+    Object.defineProperty(process, 'platform', { value: 'linux' })
+    const home = await mkdtemp(join(tmpdir(), 'wui-1633-'))
+    process.env.HERMES_HOME = home
+    process.env.HERMES_BIN = '/usr/bin/hermes'
+    const profileDir = join(home, 'profiles', 'work')
+    await mkdir(profileDir, { recursive: true })
+    await writeFile(join(profileDir, 'config.yaml'), 'model:\n  default: test\n', 'utf-8')
+
+    try {
+      const { startGatewayRunManaged } = await import('../../packages/server/src/services/hermes/gateway-runner')
+      const { prepareGatewayForProfileDelete } = await import('../../packages/server/src/services/hermes/gateway-autostart')
+
+      startGatewayRunManaged('/usr/bin/hermes', { profileDir })
+      expect(fakeChildren).toHaveLength(1)
+
+      const prep = prepareGatewayForProfileDelete('work')
+      expect(fakeChildren[0].killSignals).toEqual(['SIGTERM'])
+
+      fakeChildren[0].emit('exit', 0, 'SIGTERM')
+      await prep
+      await vi.advanceTimersByTimeAsync(6000)
+
+      expect(fakeChildren).toHaveLength(1)
+    } finally {
+      await rm(home, { recursive: true, force: true })
+    }
+  })
+})