import type { Message } from "../types.js";
export function inferCopilotInitiator(messages: Message[]): "user" | "agent" {
const last = messages[messages.length - 1];
return last && last.role !== "user" ? "agent" : "user";
}
export function hasCopilotVisionInput(messages: Message[]): boolean {
return messages.some((msg) => {
if (msg.role === "user" && Array.isArray(msg.content)) {
return msg.content.some((c) => c.type === "image");
}
if (msg.role === "toolResult" && Array.isArray(msg.content)) {
return msg.content.some((c) => c.type === "image");
}
return false;
});
}
export function buildCopilotDynamicHeaders(params: {
messages: Message[];
hasImages: boolean;
}): Record<string, string> {
const headers: Record<string, string> = {
"X-Initiator": inferCopilotInitiator(params.messages),
"Openai-Intent": "conversation-edits",
};
if (params.hasImages) {
headers["Copilot-Vision-Request"] = "true";
}
return headers;
}