Distillation

Date: Sep 17, 2026

• 🔴 (01:08) User requires failed usage/accounting to be processed independently of client demand; candidate packages/gateway/src/stream/openai-responses.ts:2864 states: // Failed usage/accounting never depends on client demand.
• 🟡 (01:08) Candidate diff inspection of packages/gateway/src/stream/openai-responses.ts:1113-1117 showed validation rejecting duplicate response.created events when state.created is already set and rejecting response.in_progress before trusted created state exists.
• 🟡 (01:08) Candidate diff inspection of packages/gateway/src/stream/openai-responses.ts:1118-1120 showed terminal-response identity validation rejecting a defined response.id that differs from trusted state.id.
• 🟡 (01:08) Candidate packages/gateway/src/stream/openai-responses.ts added cloneResponsesAccState, including structured cloning of state.codexRateLimits, and source-sequence tracking through lastSequenceNumber = sourceSequenceNumber.