Release 0.7.0

What's Changed

• fix sandbox codex model catalog defaults by @zakahan in #92
• Fix/harness a2a registry by @songyichun1 in #93
• feat(cli): add --description/--desc to agentkit add harness by @yaozheng-fang in #94
• chore: bump version to 0.7.0 by @yaozheng-fang in #96

New Contributors

• @zakahan made their first contribution in #92

Full Changelog: 0.6.5...0.7.0