const MAX_OPENAI_STRICT_TOOL_DOWNGRADE_DIAGNOSTIC_KEYS = 256;

const OPENAI_RESPONSES_REASONING_REPLAY_META_KEY = "__openclaw_replay";

const OPENAI_RESPONSES_REASONING_REPLAY_BLOCK_META_KEY = "openclawReasoningReplay";

const OPENAI_RESPONSES_REPLAY_ITEM_ID_MAX_LENGTH = 64;

const log = createSubsystemLogger("openai-transport");

const loggedOpenAIStrictToolDowngradeDiagnosticKeys = new Set<string>();

return createHash("sha256").update(value).digest("hex").slice(0, 16);

}

function normalizeResponsesReplayItemId(

id: string | undefined,

prefix: string,

): string | undefined {

if (!id) {

return undefined;

}

if (id.length <= OPENAI_RESPONSES_REPLAY_ITEM_ID_MAX_LENGTH) {

return id;

}

return `${prefix}_${shortHash(id)}`;

}

function isSafeResponsesReplayItemId(id: unknown): id is string {

return (

typeof id === "string" &&

id.length > 0 &&

id.length <= OPENAI_RESPONSES_REPLAY_ITEM_ID_MAX_LENGTH

);

}

function encodeTextSignatureV1(id: string, phase?: "commentary" | "final_answer"): string {

return JSON.stringify({ v: 1, id, ...(phase ? { phase } : {}) });

}

if (!shouldReplayResponsesItemIds) {

delete replayableReasoningItem.id;

}

if (

model.provider === "github-copilot" &&

!isSafeResponsesReplayItemId(replayableReasoningItem.id)

) {

continue;

}

output.push(replayableReasoningItem as ResponseInputItem);

}

} else if (block.type === "text") {

const textSignature = parseTextSignature(block.textSignature);

let msgId = shouldReplayResponsesItemIds

? (textSignature?.id ?? `msg_${msgIndex}`)

: undefined;

if (msgId && msgId.length > 64) {

msgId = `msg_${shortHash(msgId)}`;

}

msgId = normalizeResponsesReplayItemId(msgId, "msg");

const messageItem: ReplayableResponseOutputMessage = {

type: "message",

role: "assistant",