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Replay Studio

Deterministic replay of any decision point with frozen model, tool, memory, and policy outputs — and a side-effect lock so nothing touches production.

Designed · pending wiring

Planned capabilities

  • Launch from trace, incident, decision point, agent run, or audit entry
  • Deterministic grade D0–D4
  • “No live side effects” safety lock before replay
  • Step-level replay timeline + decision tree
  • Original vs replayed trajectory diff
  • Modes: exact, policy re-eval, what-if, redacted, external review
  • Signed replay-bundle export with redaction report

Engineering contract

Route
/replay
Data model
ReplaySession { id, sourceRef, grade, steps[], sideEffectLock } + Diff<Step>
Primary actions
Launch replayStepCompareExport bundle