chore(main): release 0.7.0

[kontext-release-bot]

🤖 I have created a release beep boop

0.7.0 (2026-05-17)

Features

• add local guard judge contract (#132) (ef6a3cd)
• cli: make kontext start local-first (#140) (02a34bf)
• manage local judge runtime (#136) (09f4fc0)
• runtime service: Guard now starts a Unix-socket localruntime.Service alongside the existing HTTP daemon (#122) (3e87e12)
• runtime service: Introduce runtime service and make existing Unix socket more generic (#121) (2bbaa93)

Bug Fixes

• harden npm dependency resolution (#114) (86eadf5)
• optimize judge fixture category matching (#146) (0bad7ab)
• repo: remove repo-wide codeowners (#133) (73557f0)

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