Add native service supervisor and runtime packaging

src/main/native/portAllocator.test.ts

@@ -0,0 +1,18 @@
+import { createServer } from 'net'
+import { describe, expect, it } from 'vitest'
+import { allocateNativePorts } from './portAllocator'
+
+describe('native port allocator', () => {
+  it('allocates four unique loopback ports and releases the reservations', async () => {
+    const ports = await allocateNativePorts()
+    const values = Object.values(ports)
+    expect(new Set(values).size).toBe(4)
+    expect(values.every((port) => Number.isInteger(port) && port > 0)).toBe(true)
+    const server = createServer()
+    await new Promise<void>((resolve, reject) => {
+      server.once('error', reject)
+      server.listen(ports.http, '127.0.0.1', () => resolve())
+    })
+    await new Promise<void>((resolve) => server.close(() => resolve()))
+  })
+})