Add technical-change skill for structured code change tracking#865

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Elkidogz wants to merge 2 commits intoanthropics:mainfrom

Elkidogz:add-technical-change-skill

Commits on Apr 4, 2026

Add technical-change skill for structured code change tracking

Elkidogz
and
claude
committed
Update: add /tc retro command, fix defect, add subagent tracking

Elkidogz
and
claude
committed