Task 7.2: FakeInference implements the InferencePort with keyword vocabulary
mirroring the P6 RuleEngine; deterministic (no clock/random) so AI artifacts are
replayable. Golden fixtures (AI_GOLDEN) + inference.spec.ts assert byte-identical
replay, abstention, and Scenario-7 (EVENT never exceeds DISCUSSION certainty).
Controls: abstain()/deny()/setCost().
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>