v1.28.0

What's Changed

• Update competitive matrix and migration pages by @github-actions[bot] in #237
• ci(deps): bump docker/setup-qemu-action from 4.0.0 to 4.1.0 in the minor-and-patch group by @dependabot[bot] in #243
• Record gpt-oss harmony tool calls + stream/recorder hardening by @jpr5 in #245

Full Changelog: v1.27.3...v1.28.0