Distillation

Date: Sep 16, 2026

• 🔴 (15:45) User specified that final text is more reliable than accumulated deltas and should replace the accumulated text: "Replace accumulated text with the final version (more reliable)" (near line 814).
• 🔴 (15:45) User specified that failed output is never authoritative and must not reach accounting hooks: "Failed output is never authoritative and must not reach accounting hooks." (near line 1054).
• 🟡 (15:45) User supplied a Responses-stream implementation that accumulates output items by output_index, stores raw items in state.rawItems, tracks state.terminalEvent, collects quotas in state.codexRateLimits, and emits rawOutputItems sorted from the raw-item map.
• 🟡 (15:45) The supplied implementation recognizes unsuccessful terminal events including "response.failed", validates sequence_number as non-negative, handles "response.refusal.delta", and defines unsuccessful-terminal data as carrying usage only for accounting paths.