test(docker): add regression test for bundled asset availability

Verify all four integrated Docker assets (compose file, Dockerfile,
supervisord config, entrypoint script) resolve and exist on disk.
Prevents silent exclusion from future packaging changes.

tests/unit/docker/docker-assets-bundled.test.ts

@@ -0,0 +1,21 @@
+import { existsSync } from 'fs';
+import { describe, expect, it } from 'bun:test';
+import { getDockerAssetPaths } from '../../../src/docker/docker-assets';
+
+describe('docker bundled assets', () => {
+  const assets = getDockerAssetPaths();
+
+  it('resolves all required asset paths', () => {
+    expect(assets.composeFile).toContain('docker-compose.integrated.yml');
+    expect(assets.dockerfile).toContain('Dockerfile.integrated');
+    expect(assets.supervisordConfig).toContain('supervisord.conf');
+    expect(assets.entrypoint).toContain('entrypoint-integrated.sh');
+  });
+
+  it('all bundled assets exist on disk', () => {
+    expect(existsSync(assets.composeFile)).toBe(true);
+    expect(existsSync(assets.dockerfile)).toBe(true);
+    expect(existsSync(assets.supervisordConfig)).toBe(true);
+    expect(existsSync(assets.entrypoint)).toBe(true);
+  });
+});