@earendil-works/pi-ai/dist/api/github-copilot-headers.js

Unified LLM API with automatic model discovery and provider configuration

// Copilot expects X-Initiator to indicate whether the request is user-initiated
// or agent-initiated (e.g. follow-up after assistant/tool messages).
export function inferCopilotInitiator(messages) {
    const last = messages[messages.length - 1];
    return last && last.role !== "user" ? "agent" : "user";
}
// Copilot requires Copilot-Vision-Request header when sending images
export function hasCopilotVisionInput(messages) {
    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) {
    const headers = {
        "X-Initiator": inferCopilotInitiator(params.messages),
        "Openai-Intent": "conversation-edits",
    };
    if (params.hasImages) {
        headers["Copilot-Vision-Request"] = "true";
    }
    return headers;
}
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