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Add X-Initiator header for GitHub Copilot (#200)

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This commit is contained in:
Ahmed Kamal
2025-12-16 15:05:22 +02:00
committed by GitHub
parent 92577316e0
commit c2dea0ce8b
3 changed files with 338 additions and 6 deletions
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19
packages/ai/src/providers/openai-completions.ts
View File

@@ -98,7 +98,7 @@ export const streamOpenAICompletions: StreamFunction<"openai-completions"> = (
};
try {
const client = createClient(model, options?.apiKey);
const client = createClient(model, context, options?.apiKey);
const params = buildParams(model, context, options);
const openaiStream = await client.chat.completions.create(params, { signal: options?.signal });
stream.push({ type: "start", partial: output });
@@ -289,7 +289,7 @@ export const streamOpenAICompletions: StreamFunction<"openai-completions"> = (
return stream;
};
function createClient(model: Model<"openai-completions">, apiKey?: string) {
function createClient(model: Model<"openai-completions">, context: Context, apiKey?: string) {
if (!apiKey) {
if (!process.env.OPENAI_API_KEY) {
throw new Error(
@@ -298,11 +298,24 @@ function createClient(model: Model<"openai-completions">, apiKey?: string) {
}
apiKey = process.env.OPENAI_API_KEY;
}
const headers = { ...model.headers };
if (model.provider === "github-copilot") {
// Copilot expects X-Initiator to indicate whether the request is user-initiated
// or agent-initiated (e.g. follow-up after assistant/tool messages). If there is
// no prior message, default to user-initiated.
const messages = context.messages || [];
const lastMessage = messages[messages.length - 1];
const isAgentCall = lastMessage ? lastMessage.role !== "user" : false;
const initiatorValue = isAgentCall ? "agent" : "user";
headers["X-Initiator"] = initiatorValue;
}
return new OpenAI({
apiKey,
baseURL: model.baseUrl,
dangerouslyAllowBrowser: true,
defaultHeaders: model.headers,
defaultHeaders: headers,
});
}

19
packages/ai/src/providers/openai-responses.ts
View File

@@ -68,7 +68,7 @@ export const streamOpenAIResponses: StreamFunction<"openai-responses"> = (
try {
// Create OpenAI client
const client = createClient(model, options?.apiKey);
const client = createClient(model, context, options?.apiKey);
const params = buildParams(model, context, options);
const openaiStream = await client.responses.create(params, { signal: options?.signal });
stream.push({ type: "start", partial: output });
@@ -297,7 +297,7 @@ export const streamOpenAIResponses: StreamFunction<"openai-responses"> = (
return stream;
};
function createClient(model: Model<"openai-responses">, apiKey?: string) {
function createClient(model: Model<"openai-responses">, context: Context, apiKey?: string) {
if (!apiKey) {
if (!process.env.OPENAI_API_KEY) {
throw new Error(
@@ -306,11 +306,24 @@ function createClient(model: Model<"openai-responses">, apiKey?: string) {
}
apiKey = process.env.OPENAI_API_KEY;
}
const headers = { ...model.headers };
if (model.provider === "github-copilot") {
// Copilot expects X-Initiator to indicate whether the request is user-initiated
// or agent-initiated (e.g. follow-up after assistant/tool messages). If there is
// no prior message, default to user-initiated.
const messages = context.messages || [];
const lastMessage = messages[messages.length - 1];
const isAgentCall = lastMessage ? lastMessage.role !== "user" : false;
const initiatorValue = isAgentCall ? "agent" : "user";
headers["X-Initiator"] = initiatorValue;
}
return new OpenAI({
apiKey,
baseURL: model.baseUrl,
dangerouslyAllowBrowser: true,
defaultHeaders: model.headers,
defaultHeaders: headers,
});
}