Fix duplicate rehydrate during reasoning; centralize rehydrate and preserve cancel metadata#8171

Merged

mrubens merged 6 commits intomainfrom

fix/reasoning-cancel-centralized-rehydrate

Sep 20, 2025

Commits on Sep 18, 2025

fix(stream): eliminate duplicate rehydrate during reasoning; centralize rehydrate in provider and preserve cancel metadata
hannesrudolph
committed