Deterministic Replay

Install

pip install briefcase-ai[replay]

Quick Example

from briefcase.replay import ReplayEngine

engine = ReplayEngine()
snapshot = engine.load("snapshot-id")
result = engine.replay(snapshot)

Key Classes

• ReplayEngine — loads and re-executes snapshots
• ModelExecutor — pluggable executor for different model providers

Configuration

Option	Default	Description
strict_mode	True	Fail if model parameters have changed
timeout_ms	30000	Maximum replay execution time