78a3e985be
Use port 0 fallback when findAvailablePort fails, read the actual bound port from server.port. Tests refactored to use mock server when real socket binding is unavailable in CI. 🤖 GENERATED WITH ASSISTANCE OF [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>