fix(gitcafe): build against provider-core and drop unused exports
Upstream moved collectUint8StreamText into @t3tools/provider-core, which broke
the server build. Also keeps GitCafe JSON helpers module-private for knip.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
19eee7bb2dversecafe committed on 10/8/2026, 9:47:39 PMparent686ebcb