Distillation

Date: Sep 16, 2026

• 🟡 (15:58) Responses reasoning-summary normalization tracks completion and authoritative values per outputIndex/summaryIndex; invalid completion throws invalid Responses reasoning summary completion for index ${outputIndex}:${summaryIndex}.
• 🟡 (15:58) Function-call lifecycle validation tracks lifecycle.argumentsDone and rejects later mutation with Responses function arguments changed after completion for index ${outputIndex}.
• 🟡 (15:58) Final Responses reconciliation validates content parts against streamed lifecycle state, including rejecting premature termination with Responses content part ended before completion for index ${outputIndex}:${contentIndex}; reasoning summaries use the "summary_text" part type.
• 🟡 (15:58) Response status processing handles response.in_progress and terminal statuses including "completed" and "cancelled", with incomplete-status reason extraction from details.reason.
• 🟡 (15:58) Final-output validation supports allowedIncompleteIndices, preserves string encrypted_content, reconciles final items with acc.rawItems, and checks response identity consistency when acc.id differs from response.id.
• 🟡 (15:58) Final Responses output reconciliation compares actual output against streamed items while allowing reference items special handling; comments explain it avoids requiring every repeated terminal item to match in stream order. Reconciled items are written with acc.rawItems.set(outputIndex, { ...streamed, ...reconciledActual }).
• 🟡 (15:58) Hidden reference-output handling validates nonnegative safe-integer indices, distinguishes minimal references containing only type and id, tracks reference completion with reference.done, verifies unfinished references, and removes hidden reference output via stripHiddenReferenceOutput.
• 🟡 (15:58) Recall completion enforcement is implemented by assertRecallItemsCompleted.
• 🟡 (15:58) Synthetic output identities are allocated by reserveSyntheticIdentity, which checks collisions against syntheticIdentities, outputIdentities, and existing item id or call_id values.
• 🟡 (15:58) SSE processing splits text into frames with text.split("\n\n"), preserves unhandled frames in output, and guards one-time completion using completionAttempted; completion calls opts.onComplete(completionResponse, successful).
• 🟡 (15:58) Recall execution invokes opts.onRecall(input) and includes abort-aware asynchronous settlement with rejectAbort, an "abort" listener registered using { once: true }, and cleanup/removal logic.
• 🟡 (15:58) Follow-up settlement is handled by settleFollowUp; on late completion after abort it calls cancelAndReleaseReader(late.reader, signal.reason), and abort paths throw signal.reason.
• 🟡 (15:58) Synthetic response completion generation emits terminal event families including output_text.done, content_part.done, and output_item.done, using message items and explicit content_index: 0 and item_id fields.