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fix(session-backup): dedupe unchanged checkpoints

8 months ago

6eaba4e
Authored
mweinbach2/21/2026, 11:53:11 PM
Compute workspace fingerprints to skip snapshot creation for unchanged
checkpoints and reuse existing snapshot metadata safely.
Keep shared snapshot artifacts until the last referencing checkpoint is deleted.
Add regression tests for both behaviors.

Co-authored-by: Codex <noreply@openai.com>

Parent958f323

2 files changed
  • src/server/sessionBackup.ts+88−14
  • test/session-backup.test.ts+64−0