Document Codex Responses continuity and serial tool calls - #784
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The ChatGPT Codex backend rejects store chaining, so every turn resends full input plus encrypted reasoning. Parallel tool calls stay off at this request layer because backend acceptance of true is unverified, not because the runner cannot fan out.
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Documents Codex Responses continuity (store: false, no previous_response_id, encrypted-reasoning replay) and serial parallel_tool_calls at the request layer.
No findings.
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Codex Responses documents ChatGPT Codex continuity (store: false, no previous_response_id, encrypted-reasoning replay) and serial parallel_tool_calls; tests pin those fields.
No findings.
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Summary
buildRequestdocuments ChatGPT Codex continuity:store: false, noprevious_response_id, fullinputreplay with encrypted reasoning resent as areasoningitem, andprompt_cache_keyas the cache-routing signal.parallel_tool_callsstaysfalseat this request layer; the reactor already fans out a multi-call batch concurrently.previous_response_idandparallel_tool_calls: false.Verification
bun run checkexits 0bun test tests/unit/codex-responses-adapter.test.tsexits 0 (28 pass)Closes CL-6694