0003 — Hold the agent's model tier constant across replay

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Status: accepted Date: 2026-10-16 Owner: Judge

Context

A divergence is only meaningful if it is attributable to the skill edit.

Decision

Replays run on the golden's agent tier; the proxy refuses a mismatch with 409 tier_mismatch.

Consequences

Tiering applies to judging, screening, extraction and narration only.

Reversal trigger

never; this is the product's honesty