}

if (msg.role === "assistant") {

const blocks: Array<Record<string, unknown>> = [];

let reasoningContent: string | undefined;

for (const block of msg.content) {

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

if (block.text.trim().length > 0) {

thinking: sanitizeTransportPayloadText(block.thinking),

signature: block.thinkingSignature,

});

if (block.thinkingSignature === "reasoning_content") reasoningContent = block.thinking;

}

continue;

}

}

if (blocks.length > 0) {

const assistantMsg: Record<string, unknown> = { role: "assistant", content: blocks };

if (typeof msg.reasoning_content === "string" && msg.reasoning_content.length > 0)

assistantMsg.reasoning_content = msg.reasoning_content;

if (reasoningContent) assistantMsg.reasoning_content = reasoningContent;

params.push(assistantMsg);

}

continue;