initialize Electron desktop app and remove unused files

tests/server/runtime-environment.test.ts

@@ -0,0 +1,42 @@
+import { afterEach, describe, expect, it, vi } from 'vitest'
+
+const originalContainer = process.env.container
+
+async function loadRuntimeEnvironment(
+  options: { dockerEnvFile?: boolean; container?: string } = {},
+) {
+  vi.resetModules()
+  if (options.container === undefined) delete process.env.container
+  else process.env.container = options.container
+  const existsSync = vi.fn((path: string) => path === '/.dockerenv' && options.dockerEnvFile === true)
+  vi.doMock('fs', () => ({ existsSync }))
+  const runtimeEnvironment = await import('../../packages/server/src/services/runtime-environment')
+  return { ...runtimeEnvironment, existsSync }
+}
+
+describe('runtime environment detection', () => {
+  afterEach(() => {
+    vi.doUnmock('fs')
+    vi.resetModules()
+    if (originalContainer === undefined) delete process.env.container
+    else process.env.container = originalContainer
+  })
+
+  it('does not classify a regular Web UI process as Docker', async () => {
+    const { isDockerContainer } = await loadRuntimeEnvironment()
+
+    expect(isDockerContainer()).toBe(false)
+  })
+
+  it('detects the Docker environment marker file', async () => {
+    const { isDockerContainer } = await loadRuntimeEnvironment({ dockerEnvFile: true })
+
+    expect(isDockerContainer()).toBe(true)
+  })
+
+  it('detects the Docker container environment variable', async () => {
+    const { isDockerContainer } = await loadRuntimeEnvironment({ container: 'docker' })
+
+    expect(isDockerContainer()).toBe(true)
+  })
+})