fix(server): cap checkpoint diffs across all batches (#18395)

Co-authored-by: SAPHID <saphid@users.noreply.github.com>
Co-authored-by: GPT-6.1 Sol <noreply@openai.com>
Co-authored-by: Julius Marminge <julius0216@outlook.com>
87ae8d5815Alex Southwell committed on 10/20/2026, 12:29:39 AM· committed by GitHubparent51cb848
5 files changedLine totals unavailable