feat: migrate from express to fastify

src/tools/plugins/__test__/socket-io.test.ts

@@ -0,0 +1,13 @@
+import fastify from 'fastify'
+import fastifySocketIo from '../socket-io.js'
+
+describe('tools/plugins/socket-io', () => {
+  it('should close socket server on fastify close', async () => {
+    const PORT = 3030
+    const application = fastify()
+    await application.register(fastifySocketIo)
+    await application.listen(PORT)
+    expect(application.io).not.toBeNull()
+    await application.close()
+  })
+})