chore(main): release 1.2.0

[github-actions]

🤖 I have created a release beep boop

1.2.0 (2026-07-27)

Added

• harness-codex: add codex terminal-agent harness with local rapid-mlx preset (#58) (fe9bd0a)
• harness-kimi: add kimi-code terminal-agent harness with local MLX preset (#59) (05cb767)
• local-models: first-class MLX providers + move local servers to 1143x ports (#56) (ee09da7)

Fixed

• harness-hermes: merge providers into the live config.yaml, not just the reference cli-config.yaml (#60) (e6edef1)
• harness: repair gateway credential resolution for hermes, pi, opencode (#49) (d8d012a)
• local-models: route gpt-oss through rapid-mlx (harmony), drop it from the mlx_lm.server provider (#57) (79bcc8e)

---

This PR was generated with Release Please. See documentation.

---

^{Need help on this PR? Tag @codesmith-bot with what you need. Autofix is disabled.}