feat: support service port

[FANLIYANG-OPS]

Summary

Why

Related issue

Closes #

Validation

Checklist

• I reviewed this PR myself before requesting review.
• I understand the changes, including AI-generated parts (if any).
• For new features, a feature request issue is linked.
• I cleaned up AI noise (unnecessary comments, dead code, and unrelated changes).
• This PR is reasonably scoped (or split into smaller PRs).