852 lines
26 KiB
TypeScript
852 lines
26 KiB
TypeScript
/**
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* OpenResponses HTTP Handler
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*
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* Implements the OpenResponses `/v1/responses` endpoint for Clawdbot Gateway.
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*
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* @see https://www.open-responses.com/
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*/
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import { randomUUID } from "node:crypto";
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import type { IncomingMessage, ServerResponse } from "node:http";
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import { buildHistoryContextFromEntries, type HistoryEntry } from "../auto-reply/reply/history.js";
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import { createDefaultDeps } from "../cli/deps.js";
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import { agentCommand } from "../commands/agent.js";
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import { emitAgentEvent, onAgentEvent } from "../infra/agent-events.js";
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import { buildAgentMainSessionKey, normalizeAgentId } from "../routing/session-key.js";
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import { defaultRuntime } from "../runtime.js";
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import { authorizeGatewayConnect, type ResolvedGatewayAuth } from "./auth.js";
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import { readJsonBody } from "./hooks.js";
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import {
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CreateResponseBodySchema,
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type ContentPart,
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type CreateResponseBody,
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type ItemParam,
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type OutputItem,
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type ResponseResource,
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type StreamingEvent,
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type Usage,
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} from "./open-responses.schema.js";
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import type { ClientToolDefinition } from "../agents/pi-embedded-runner/run/params.js";
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import type { ImageContent } from "../commands/agent/types.js";
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type OpenResponsesHttpOptions = {
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auth: ResolvedGatewayAuth;
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maxBodyBytes?: number;
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};
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function sendJson(res: ServerResponse, status: number, body: unknown) {
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res.statusCode = status;
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res.setHeader("Content-Type", "application/json; charset=utf-8");
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res.end(JSON.stringify(body));
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}
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function getHeader(req: IncomingMessage, name: string): string | undefined {
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const raw = req.headers[name.toLowerCase()];
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if (typeof raw === "string") return raw;
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if (Array.isArray(raw)) return raw[0];
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return undefined;
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}
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function getBearerToken(req: IncomingMessage): string | undefined {
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const raw = getHeader(req, "authorization")?.trim() ?? "";
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if (!raw.toLowerCase().startsWith("bearer ")) return undefined;
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const token = raw.slice(7).trim();
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return token || undefined;
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}
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function writeSseEvent(res: ServerResponse, event: StreamingEvent) {
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res.write(`event: ${event.type}\n`);
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res.write(`data: ${JSON.stringify(event)}\n\n`);
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}
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function writeDone(res: ServerResponse) {
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res.write("data: [DONE]\n\n");
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}
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function extractTextContent(content: string | ContentPart[]): string {
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if (typeof content === "string") return content;
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return content
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.map((part) => {
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if (part.type === "input_text") return part.text;
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if (part.type === "output_text") return part.text;
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return "";
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})
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.filter(Boolean)
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.join("\n");
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}
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const PRIVATE_IP_PATTERNS = [
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/^127\./, // Loopback
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/^192\.168\./, // Private network
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/^10\./, // Private network
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/^172\.(1[6-9]|2[0-9]|3[0-1])\./, // Private network
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/^::1$/, // IPv6 loopback
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/^fe80:/, // IPv6 link-local
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/^fec0:/, // IPv6 site-local
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];
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function isPrivateIp(hostname: string): boolean {
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return PRIVATE_IP_PATTERNS.some((pattern) => pattern.test(hostname));
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}
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// Fetch with SSRF protection, timeout, and size limits
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async function fetchWithGuard(
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url: string,
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maxBytes: number,
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timeoutMs: number = 10000,
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): Promise<{ data: string; mimeType: string }> {
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const parsedUrl = new URL(url);
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// Only allow HTTP/HTTPS
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if (!["http:", "https:"].includes(parsedUrl.protocol)) {
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throw new Error(`Invalid URL protocol: ${parsedUrl.protocol}. Only HTTP/HTTPS allowed.`);
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}
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// Block private IPs (SSRF protection)
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if (isPrivateIp(parsedUrl.hostname)) {
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throw new Error(`Private IP addresses are not allowed: ${parsedUrl.hostname}`);
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}
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const controller = new AbortController();
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const timeoutId = setTimeout(() => controller.abort(), timeoutMs);
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try {
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const response = await fetch(url, {
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signal: controller.signal,
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headers: { "User-Agent": "Clawdbot-Gateway/1.0" },
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});
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if (!response.ok) {
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throw new Error(`Failed to fetch: ${response.status} ${response.statusText}`);
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}
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const contentLength = response.headers.get("content-length");
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if (contentLength) {
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const size = parseInt(contentLength, 10);
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if (size > maxBytes) {
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throw new Error(`Content too large: ${size} bytes (limit: ${maxBytes} bytes)`);
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}
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}
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const buffer = await response.arrayBuffer();
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if (buffer.byteLength > maxBytes) {
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throw new Error(`Content too large: ${buffer.byteLength} bytes (limit: ${maxBytes} bytes)`);
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}
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const mimeType = response.headers.get("content-type") || "application/octet-stream";
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return {
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data: Buffer.from(buffer).toString("base64"),
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mimeType,
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};
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} finally {
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clearTimeout(timeoutId);
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}
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}
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const ALLOWED_IMAGE_MIMES = new Set(["image/jpeg", "image/png", "image/gif", "image/webp"]);
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const MAX_IMAGE_BYTES = 10 * 1024 * 1024; // 10MB
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const MAX_FILE_BYTES = 5 * 1024 * 1024; // 5MB
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const ALLOWED_FILE_MIMES = new Set([
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"text/plain",
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"text/markdown",
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"text/html",
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"text/csv",
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"application/pdf",
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"application/json",
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]);
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async function extractImageContent(part: ContentPart): Promise<ImageContent | null> {
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if (part.type !== "input_image") return null;
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const source = part.source as { type: string; url?: string; data?: string; media_type?: string };
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if (source.type === "base64") {
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if (!source.data) {
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throw new Error("input_image base64 source missing 'data' field");
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}
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const mimeType = source.media_type || "image/png";
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if (!ALLOWED_IMAGE_MIMES.has(mimeType)) {
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throw new Error(`Unsupported image MIME type: ${mimeType}`);
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}
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return { type: "image", data: source.data, mimeType };
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}
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if (source.type === "url" && source.url) {
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const result = await fetchWithGuard(source.url, MAX_IMAGE_BYTES);
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if (!ALLOWED_IMAGE_MIMES.has(result.mimeType)) {
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throw new Error(`Unsupported image MIME type from URL: ${result.mimeType}`);
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}
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return { type: "image", data: result.data, mimeType: result.mimeType };
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}
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throw new Error("input_image must have 'source.url' or 'source.data'");
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}
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async function extractFileContent(part: ContentPart): Promise<string | null> {
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if (part.type !== "input_file") return null;
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const source = part.source as {
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type: string;
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url?: string;
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data?: string;
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media_type?: string;
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filename?: string;
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};
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const filename = source.filename || "file";
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let content: string;
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if (source.type === "base64") {
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if (!source.data) {
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throw new Error("input_file base64 source missing 'data' field");
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}
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const buffer = Buffer.from(source.data, "base64");
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if (buffer.byteLength > MAX_FILE_BYTES) {
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throw new Error(
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`File too large: ${buffer.byteLength} bytes (limit: ${MAX_FILE_BYTES} bytes)`,
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);
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}
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content = buffer.toString("utf-8");
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} else if (source.type === "url" && source.url) {
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const result = await fetchWithGuard(source.url, MAX_FILE_BYTES);
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if (!ALLOWED_FILE_MIMES.has(result.mimeType)) {
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throw new Error(`Unsupported file MIME type: ${result.mimeType}`);
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}
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content = Buffer.from(result.data, "base64").toString("utf-8");
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} else {
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throw new Error("input_file must have 'source.url' or 'source.data'");
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}
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return `<file name="${filename}">\n${content}\n</file>`;
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}
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function extractClientTools(body: CreateResponseBody): ClientToolDefinition[] {
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return (body.tools ?? []) as ClientToolDefinition[];
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}
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export function buildAgentPrompt(input: string | ItemParam[]): {
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message: string;
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extraSystemPrompt?: string;
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} {
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if (typeof input === "string") {
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return { message: input };
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}
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const systemParts: string[] = [];
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const conversationEntries: Array<{ role: "user" | "assistant" | "tool"; entry: HistoryEntry }> =
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[];
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for (const item of input) {
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if (item.type === "message") {
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const content = extractTextContent(item.content).trim();
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if (!content) continue;
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if (item.role === "system" || item.role === "developer") {
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systemParts.push(content);
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continue;
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}
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const normalizedRole = item.role === "assistant" ? "assistant" : "user";
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const sender = normalizedRole === "assistant" ? "Assistant" : "User";
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conversationEntries.push({
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role: normalizedRole,
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entry: { sender, body: content },
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});
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} else if (item.type === "function_call_output") {
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conversationEntries.push({
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role: "tool",
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entry: { sender: `Tool:${item.call_id}`, body: item.output },
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});
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}
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// Skip reasoning and item_reference for prompt building (Phase 1)
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}
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let message = "";
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if (conversationEntries.length > 0) {
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// Find the last user or tool message as the current message
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let currentIndex = -1;
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for (let i = conversationEntries.length - 1; i >= 0; i -= 1) {
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const entryRole = conversationEntries[i]?.role;
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if (entryRole === "user" || entryRole === "tool") {
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currentIndex = i;
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break;
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}
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}
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if (currentIndex < 0) currentIndex = conversationEntries.length - 1;
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const currentEntry = conversationEntries[currentIndex]?.entry;
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if (currentEntry) {
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const historyEntries = conversationEntries.slice(0, currentIndex).map((entry) => entry.entry);
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if (historyEntries.length === 0) {
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message = currentEntry.body;
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} else {
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const formatEntry = (entry: HistoryEntry) => `${entry.sender}: ${entry.body}`;
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message = buildHistoryContextFromEntries({
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entries: [...historyEntries, currentEntry],
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currentMessage: formatEntry(currentEntry),
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formatEntry,
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});
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}
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}
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}
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return {
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message,
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extraSystemPrompt: systemParts.length > 0 ? systemParts.join("\n\n") : undefined,
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};
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}
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function resolveAgentIdFromHeader(req: IncomingMessage): string | undefined {
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const raw =
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getHeader(req, "x-clawdbot-agent-id")?.trim() ||
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getHeader(req, "x-clawdbot-agent")?.trim() ||
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"";
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if (!raw) return undefined;
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return normalizeAgentId(raw);
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}
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function resolveAgentIdFromModel(model: string | undefined): string | undefined {
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const raw = model?.trim();
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if (!raw) return undefined;
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const m =
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raw.match(/^clawdbot[:/](?<agentId>[a-z0-9][a-z0-9_-]{0,63})$/i) ??
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raw.match(/^agent:(?<agentId>[a-z0-9][a-z0-9_-]{0,63})$/i);
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const agentId = m?.groups?.agentId;
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if (!agentId) return undefined;
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return normalizeAgentId(agentId);
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}
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function resolveAgentIdForRequest(params: {
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req: IncomingMessage;
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model: string | undefined;
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}): string {
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const fromHeader = resolveAgentIdFromHeader(params.req);
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if (fromHeader) return fromHeader;
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const fromModel = resolveAgentIdFromModel(params.model);
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return fromModel ?? "main";
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}
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function resolveSessionKey(params: {
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req: IncomingMessage;
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agentId: string;
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user?: string | undefined;
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}): string {
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const explicit = getHeader(params.req, "x-clawdbot-session-key")?.trim();
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if (explicit) return explicit;
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// Default: stateless per-request session key, but stable if OpenResponses "user" is provided.
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const user = params.user?.trim();
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const mainKey = user ? `openresponses-user:${user}` : `openresponses:${randomUUID()}`;
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return buildAgentMainSessionKey({ agentId: params.agentId, mainKey });
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}
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function createEmptyUsage(): Usage {
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return { input_tokens: 0, output_tokens: 0, total_tokens: 0 };
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}
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function createResponseResource(params: {
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id: string;
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model: string;
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status: ResponseResource["status"];
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output: OutputItem[];
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usage?: Usage;
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error?: { code: string; message: string };
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}): ResponseResource {
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return {
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id: params.id,
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object: "response",
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created_at: Math.floor(Date.now() / 1000),
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status: params.status,
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model: params.model,
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output: params.output,
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usage: params.usage ?? createEmptyUsage(),
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error: params.error,
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};
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}
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function createAssistantOutputItem(params: {
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id: string;
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text: string;
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status?: "in_progress" | "completed";
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}): OutputItem {
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return {
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type: "message",
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id: params.id,
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role: "assistant",
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content: [{ type: "output_text", text: params.text }],
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status: params.status,
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};
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}
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export async function handleOpenResponsesHttpRequest(
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req: IncomingMessage,
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res: ServerResponse,
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opts: OpenResponsesHttpOptions,
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): Promise<boolean> {
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const url = new URL(req.url ?? "/", `http://${req.headers.host || "localhost"}`);
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if (url.pathname !== "/v1/responses") return false;
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if (req.method !== "POST") {
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res.statusCode = 405;
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res.setHeader("Allow", "POST");
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res.setHeader("Content-Type", "text/plain; charset=utf-8");
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res.end("Method Not Allowed");
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return true;
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}
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const token = getBearerToken(req);
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const authResult = await authorizeGatewayConnect({
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auth: opts.auth,
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connectAuth: { token, password: token },
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req,
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});
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if (!authResult.ok) {
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sendJson(res, 401, {
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error: { message: "Unauthorized", type: "unauthorized" },
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});
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return true;
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}
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const body = await readJsonBody(req, opts.maxBodyBytes ?? 1024 * 1024);
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if (!body.ok) {
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sendJson(res, 400, {
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error: { message: body.error, type: "invalid_request_error" },
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});
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return true;
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}
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// Validate request body with Zod
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const parseResult = CreateResponseBodySchema.safeParse(body.value);
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if (!parseResult.success) {
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const issue = parseResult.error.issues[0];
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const message = issue ? `${issue.path.join(".")}: ${issue.message}` : "Invalid request body";
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sendJson(res, 400, {
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error: { message, type: "invalid_request_error" },
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});
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return true;
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}
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const payload: CreateResponseBody = parseResult.data;
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const stream = Boolean(payload.stream);
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const model = payload.model;
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const user = payload.user;
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// Extract images, files, and tools from input (Phase 2)
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let images: ImageContent[] = [];
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let fileContents: string[] = [];
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if (Array.isArray(payload.input)) {
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for (const item of payload.input) {
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if (item.type === "message" && typeof item.content !== "string") {
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for (const part of item.content) {
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const image = await extractImageContent(part);
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if (image) {
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images.push(image);
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continue;
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}
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const file = await extractFileContent(part);
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if (file) {
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fileContents.push(file);
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}
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}
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}
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}
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}
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const clientTools = extractClientTools(payload);
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const agentId = resolveAgentIdForRequest({ req, model });
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const sessionKey = resolveSessionKey({ req, agentId, user });
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// Build prompt from input
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const prompt = buildAgentPrompt(payload.input);
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// Append file contents to the message
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const fullMessage =
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fileContents.length > 0 ? `${prompt.message}\n\n${fileContents.join("\n\n")}` : prompt.message;
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// Handle instructions as extra system prompt
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const extraSystemPrompt = [payload.instructions, prompt.extraSystemPrompt]
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.filter(Boolean)
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.join("\n\n");
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if (!fullMessage) {
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sendJson(res, 400, {
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error: {
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message: "Missing user message in `input`.",
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type: "invalid_request_error",
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},
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});
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return true;
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}
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const responseId = `resp_${randomUUID()}`;
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const outputItemId = `msg_${randomUUID()}`;
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const deps = createDefaultDeps();
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if (!stream) {
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try {
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const result = await agentCommand(
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{
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message: fullMessage,
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images: images.length > 0 ? images : undefined,
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clientTools: clientTools.length > 0 ? clientTools : undefined,
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extraSystemPrompt: extraSystemPrompt || undefined,
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sessionKey,
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runId: responseId,
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deliver: false,
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messageChannel: "webchat",
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bestEffortDeliver: false,
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},
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defaultRuntime,
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deps,
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);
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const payloads = (result as { payloads?: Array<{ text?: string }> } | null)?.payloads;
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const meta = (result as { meta?: unknown } | null)?.meta;
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const stopReason =
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meta && typeof meta === "object" ? (meta as { stopReason?: string }).stopReason : undefined;
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const pendingToolCalls =
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meta && typeof meta === "object"
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? (meta as { pendingToolCalls?: Array<{ id: string; name: string; arguments: string }> })
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.pendingToolCalls
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: undefined;
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|
|
// If agent called a client tool, return function_call instead of text
|
|
if (stopReason === "tool_calls" && pendingToolCalls && pendingToolCalls.length > 0) {
|
|
const functionCall = pendingToolCalls[0];
|
|
const response = createResponseResource({
|
|
id: responseId,
|
|
model,
|
|
status: "incomplete",
|
|
output: [
|
|
{
|
|
type: "function_call",
|
|
id: functionCall.id,
|
|
call_id: functionCall.id,
|
|
name: functionCall.name,
|
|
arguments: functionCall.arguments,
|
|
},
|
|
],
|
|
});
|
|
sendJson(res, 200, response);
|
|
return true;
|
|
}
|
|
|
|
const content =
|
|
Array.isArray(payloads) && payloads.length > 0
|
|
? payloads
|
|
.map((p) => (typeof p.text === "string" ? p.text : ""))
|
|
.filter(Boolean)
|
|
.join("\n\n")
|
|
: "No response from Clawdbot.";
|
|
|
|
const response = createResponseResource({
|
|
id: responseId,
|
|
model,
|
|
status: "completed",
|
|
output: [
|
|
createAssistantOutputItem({ id: outputItemId, text: content, status: "completed" }),
|
|
],
|
|
});
|
|
|
|
sendJson(res, 200, response);
|
|
} catch (err) {
|
|
const response = createResponseResource({
|
|
id: responseId,
|
|
model,
|
|
status: "failed",
|
|
output: [],
|
|
error: { code: "api_error", message: String(err) },
|
|
});
|
|
sendJson(res, 500, response);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// ─────────────────────────────────────────────────────────────────────────
|
|
// Streaming mode
|
|
// ─────────────────────────────────────────────────────────────────────────
|
|
|
|
res.statusCode = 200;
|
|
res.setHeader("Content-Type", "text/event-stream; charset=utf-8");
|
|
res.setHeader("Cache-Control", "no-cache");
|
|
res.setHeader("Connection", "keep-alive");
|
|
res.flushHeaders?.();
|
|
|
|
let accumulatedText = "";
|
|
let sawAssistantDelta = false;
|
|
let closed = false;
|
|
|
|
// Send initial events
|
|
const initialResponse = createResponseResource({
|
|
id: responseId,
|
|
model,
|
|
status: "in_progress",
|
|
output: [],
|
|
});
|
|
|
|
writeSseEvent(res, { type: "response.created", response: initialResponse });
|
|
|
|
// Add output item
|
|
const outputItem = createAssistantOutputItem({
|
|
id: outputItemId,
|
|
text: "",
|
|
status: "in_progress",
|
|
});
|
|
|
|
writeSseEvent(res, {
|
|
type: "response.output_item.added",
|
|
output_index: 0,
|
|
item: outputItem,
|
|
});
|
|
|
|
// Add content part
|
|
writeSseEvent(res, {
|
|
type: "response.content_part.added",
|
|
item_id: outputItemId,
|
|
output_index: 0,
|
|
content_index: 0,
|
|
part: { type: "output_text", text: "" },
|
|
});
|
|
|
|
const unsubscribe = onAgentEvent((evt) => {
|
|
if (evt.runId !== responseId) return;
|
|
if (closed) return;
|
|
|
|
if (evt.stream === "assistant") {
|
|
const delta = evt.data?.delta;
|
|
const text = evt.data?.text;
|
|
const content = typeof delta === "string" ? delta : typeof text === "string" ? text : "";
|
|
if (!content) return;
|
|
|
|
sawAssistantDelta = true;
|
|
accumulatedText += content;
|
|
|
|
writeSseEvent(res, {
|
|
type: "response.output_text.delta",
|
|
item_id: outputItemId,
|
|
output_index: 0,
|
|
content_index: 0,
|
|
delta: content,
|
|
});
|
|
return;
|
|
}
|
|
|
|
if (evt.stream === "lifecycle") {
|
|
const phase = evt.data?.phase;
|
|
if (phase === "end" || phase === "error") {
|
|
closed = true;
|
|
unsubscribe();
|
|
|
|
// Complete the stream with final events
|
|
const finalText = accumulatedText || "No response from Clawdbot.";
|
|
const finalStatus = phase === "error" ? "failed" : "completed";
|
|
|
|
writeSseEvent(res, {
|
|
type: "response.output_text.done",
|
|
item_id: outputItemId,
|
|
output_index: 0,
|
|
content_index: 0,
|
|
text: finalText,
|
|
});
|
|
|
|
writeSseEvent(res, {
|
|
type: "response.content_part.done",
|
|
item_id: outputItemId,
|
|
output_index: 0,
|
|
content_index: 0,
|
|
part: { type: "output_text", text: finalText },
|
|
});
|
|
|
|
const completedItem = createAssistantOutputItem({
|
|
id: outputItemId,
|
|
text: finalText,
|
|
status: "completed",
|
|
});
|
|
|
|
writeSseEvent(res, {
|
|
type: "response.output_item.done",
|
|
output_index: 0,
|
|
item: completedItem,
|
|
});
|
|
|
|
const finalResponse = createResponseResource({
|
|
id: responseId,
|
|
model,
|
|
status: finalStatus,
|
|
output: [completedItem],
|
|
});
|
|
|
|
writeSseEvent(res, { type: "response.completed", response: finalResponse });
|
|
writeDone(res);
|
|
res.end();
|
|
}
|
|
}
|
|
});
|
|
|
|
req.on("close", () => {
|
|
closed = true;
|
|
unsubscribe();
|
|
});
|
|
|
|
void (async () => {
|
|
try {
|
|
const result = await agentCommand(
|
|
{
|
|
message: fullMessage,
|
|
images: images.length > 0 ? images : undefined,
|
|
clientTools: clientTools.length > 0 ? clientTools : undefined,
|
|
extraSystemPrompt: extraSystemPrompt || undefined,
|
|
sessionKey,
|
|
runId: responseId,
|
|
deliver: false,
|
|
messageChannel: "webchat",
|
|
bestEffortDeliver: false,
|
|
},
|
|
defaultRuntime,
|
|
deps,
|
|
);
|
|
|
|
if (closed) return;
|
|
|
|
// Fallback: if no streaming deltas were received, send the full response
|
|
if (!sawAssistantDelta) {
|
|
const resultAny = result as { payloads?: Array<{ text?: string }>; meta?: unknown };
|
|
const payloads = resultAny.payloads;
|
|
const meta = resultAny.meta;
|
|
const stopReason =
|
|
meta && typeof meta === "object"
|
|
? (meta as { stopReason?: string }).stopReason
|
|
: undefined;
|
|
const pendingToolCalls =
|
|
meta && typeof meta === "object"
|
|
? (
|
|
meta as {
|
|
pendingToolCalls?: Array<{ id: string; name: string; arguments: string }>;
|
|
}
|
|
).pendingToolCalls
|
|
: undefined;
|
|
|
|
// If agent called a client tool, emit function_call instead of text
|
|
if (stopReason === "tool_calls" && pendingToolCalls && pendingToolCalls.length > 0) {
|
|
const functionCall = pendingToolCalls[0];
|
|
// Complete the text content part
|
|
writeSseEvent(res, {
|
|
type: "response.output_text.done",
|
|
item_id: outputItemId,
|
|
output_index: 0,
|
|
content_index: 0,
|
|
text: "",
|
|
});
|
|
writeSseEvent(res, {
|
|
type: "response.content_part.done",
|
|
item_id: outputItemId,
|
|
output_index: 0,
|
|
content_index: 0,
|
|
part: { type: "output_text", text: "" },
|
|
});
|
|
|
|
// Complete the message item
|
|
const completedItem = createAssistantOutputItem({
|
|
id: outputItemId,
|
|
text: "",
|
|
status: "completed",
|
|
});
|
|
writeSseEvent(res, {
|
|
type: "response.output_item.done",
|
|
output_index: 0,
|
|
item: completedItem,
|
|
});
|
|
|
|
// Send function_call item
|
|
const functionCallItemId = `call_${randomUUID()}`;
|
|
const functionCallItem = {
|
|
type: "function_call" as const,
|
|
id: functionCallItemId,
|
|
call_id: functionCall.id,
|
|
name: functionCall.name,
|
|
arguments: functionCall.arguments,
|
|
};
|
|
writeSseEvent(res, {
|
|
type: "response.output_item.added",
|
|
output_index: 1,
|
|
item: functionCallItem,
|
|
});
|
|
writeSseEvent(res, {
|
|
type: "response.output_item.done",
|
|
output_index: 1,
|
|
item: { ...functionCallItem, status: "completed" as const },
|
|
});
|
|
writeSseEvent(res, {
|
|
type: "response.output_item.done",
|
|
output_index: 1,
|
|
item: { ...functionCallItem, status: "completed" as const },
|
|
});
|
|
|
|
const incompleteResponse = createResponseResource({
|
|
id: responseId,
|
|
model,
|
|
status: "incomplete",
|
|
output: [completedItem, functionCallItem],
|
|
});
|
|
writeSseEvent(res, { type: "response.completed", response: incompleteResponse });
|
|
writeDone(res);
|
|
res.end();
|
|
return;
|
|
}
|
|
|
|
const content =
|
|
Array.isArray(payloads) && payloads.length > 0
|
|
? payloads
|
|
.map((p) => (typeof p.text === "string" ? p.text : ""))
|
|
.filter(Boolean)
|
|
.join("\n\n")
|
|
: "No response from Clawdbot.";
|
|
|
|
accumulatedText = content;
|
|
sawAssistantDelta = true;
|
|
|
|
writeSseEvent(res, {
|
|
type: "response.output_text.delta",
|
|
item_id: outputItemId,
|
|
output_index: 0,
|
|
content_index: 0,
|
|
delta: content,
|
|
});
|
|
}
|
|
} catch (err) {
|
|
if (closed) return;
|
|
|
|
const errorResponse = createResponseResource({
|
|
id: responseId,
|
|
model,
|
|
status: "failed",
|
|
output: [],
|
|
error: { code: "api_error", message: String(err) },
|
|
});
|
|
|
|
writeSseEvent(res, { type: "response.failed", response: errorResponse });
|
|
emitAgentEvent({
|
|
runId: responseId,
|
|
stream: "lifecycle",
|
|
data: { phase: "error" },
|
|
});
|
|
} finally {
|
|
if (!closed) {
|
|
// Emit lifecycle end to trigger completion
|
|
emitAgentEvent({
|
|
runId: responseId,
|
|
stream: "lifecycle",
|
|
data: { phase: "end" },
|
|
});
|
|
}
|
|
}
|
|
})();
|
|
|
|
return true;
|
|
}
|