feat: add /gsd:sync for clean parallel-branch merges#955

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carwei wants to merge 2 commits intogsd-build:mainfrom

carwei:feat/gsd-sync

Commits on Mar 5, 2026

feat: add /gsd:sync for clean parallel-branch merges

carwei
and
claude
committed
fix: prevent new index collisions and handle sub-phase file prefixes in gsd:sync
carwei
committed