Files
seaweedfs/sw-block/prototype/enginev2
pingqiu 26a1b33c2e feat: add A5-A8 acceptance traceability and rebuild-source evidence
Cleanup: removed redundant TargetLSNAtStart from CatchUpBudget.
FrozenTargetLSN on RecoverySession is the single source of truth.

Acceptance traceability (acceptance_test.go):
- A5: 3 evidence tests (unrecoverable gap, budget escalation, frozen target)
- A6: 2 evidence tests (exact boundary, contiguity required)
- A7: 3 evidence tests (snapshot history, catch-up replay, truncation)
- A8: 2 evidence tests (convergence required, truncation required)

Rebuild-source decision evidence:
- snapshot_tail when trusted base exists
- full_base when no snapshot or untrusted
- 3 explicit tests

13 new tests total.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-29 15:42:48 -07:00
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