v0.5.0

Changelog

新機能

• 90e82b5: feat: add git hooks, new rules/skills/agents and docs templates (@thomas0124)
• 7d115d7: feat: add hook dispatch system, .ralph/, scripts, CI workflow and docs dirs (@thomas0124)
• 107117e: feat: add ralph insights command (@thomas0124)
• d4883ca: feat: port upgrade v2 engine from yoshpy-dev/ralph (@thomas0124)