Codex
977 lines
43 KiB
TypeScript
977 lines
43 KiB
TypeScript
import { spawn, type ChildProcessWithoutNullStreams } from "node:child_process";
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import { createHash } from "node:crypto";
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import { accessSync, constants as fsConstants } from "node:fs";
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import { chmod, copyFile, mkdir } from "node:fs/promises";
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import path from "node:path";
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import * as readline from "node:readline";
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import type { BackendEvent, BackendProfile, BackendTurnResult, FailureKind, JsonRecord, JsonValue, TerminalStatus } from "../common/types.js";
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import { redactJson, redactText } from "../common/redaction.js";
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import { backendProfileSpec } from "../common/backend-profiles.js";
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import { boundedTextSummary, commandOutputPayload } from "../common/output.js";
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const codexProtocol = "codex-app-server-jsonrpc-stdio";
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const defaultCodexArgs = ["app-server", "--listen", "stdio://"];
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const stderrBufferBytes = 64_000;
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const stderrEventChars = 4_000;
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const requestTimeoutCapMs = 30_000;
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const childEnvSummaryKeys = [
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"CODEX_HOME",
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"HOME",
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"PATH",
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"HTTP_PROXY",
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"HTTPS_PROXY",
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"ALL_PROXY",
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"NO_PROXY",
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"http_proxy",
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"https_proxy",
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"all_proxy",
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"no_proxy",
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"OPENAI_API_KEY",
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"CODEX_API_KEY",
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"GITHUB_TOKEN",
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"GH_TOKEN",
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];
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export interface CodexStdioTurnOptions {
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backendProfile?: BackendProfile;
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prompt: string;
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cwd: string;
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model?: string;
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threadId?: string;
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approvalPolicy: string;
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sandbox: string;
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timeoutMs: number;
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command?: string;
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args?: string[];
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env?: NodeJS.ProcessEnv;
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codexHome?: string;
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abortSignal?: AbortSignal;
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onEvent?: (event: BackendEvent) => void | Promise<void>;
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onActiveTurn?: (control: CodexActiveTurnControl) => void | (() => void);
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}
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export interface CodexActiveTurnControl {
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threadId: string;
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turnId: string;
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steer(prompt: string): Promise<void>;
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interrupt(): Promise<void>;
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}
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interface PendingRequest {
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method: string;
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timer: NodeJS.Timeout;
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resolve: (value: unknown) => void;
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reject: (error: Error) => void;
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}
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interface CompletedAssistantMessage {
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itemId: string | null;
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text: string;
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}
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interface SuppressedNotificationSummary {
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total: number;
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byMethod: Record<string, number>;
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byItemType: Record<string, number>;
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}
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interface CodexStdioCloseInfo extends JsonRecord {
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code: number | null;
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signal: string | null;
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stderrTail: string;
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stderrBytes: number;
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stderrTruncated: boolean;
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failureKind: FailureKind | null;
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message: string | null;
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}
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class CodexStdioFailure extends Error {
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readonly failureKind: FailureKind;
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readonly phase: string;
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readonly details: JsonRecord;
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constructor(failureKind: FailureKind, message: string, phase: string, details: JsonRecord = {}) {
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super(redactText(message));
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this.name = "CodexStdioFailure";
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this.failureKind = failureKind;
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this.phase = phase;
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this.details = redactJson(details);
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}
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}
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export class CodexStdioClient {
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private readonly child: ChildProcessWithoutNullStreams;
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private readonly pending = new Map<number, PendingRequest>();
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private stderrTailBuffer = Buffer.alloc(0);
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private stderrBytes = 0;
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private nextId = 1;
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private closed = false;
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private closeFailure: CodexStdioFailure | null = null;
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readonly closedPromise: Promise<CodexStdioCloseInfo>;
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private closeResolve!: (value: CodexStdioCloseInfo) => void;
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constructor(options: { command?: string; args?: string[]; cwd: string; env?: NodeJS.ProcessEnv; onNotification: (message: JsonRecord) => void }) {
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this.closedPromise = new Promise((resolve) => { this.closeResolve = resolve; });
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const command = options.command ?? "codex";
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const args = options.args ?? defaultCodexArgs;
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try {
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this.child = spawn(command, args, {
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cwd: options.cwd,
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env: options.env ?? process.env,
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detached: true,
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stdio: "pipe",
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});
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} catch (error) {
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throw spawnFailure(command, error);
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}
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this.child.stderr.on("data", (chunk: Buffer) => this.appendStderr(chunk));
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const rl = readline.createInterface({ input: this.child.stdout, crlfDelay: Infinity });
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void this.readLines(rl, options.onNotification);
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this.child.on("close", (code, signal) => this.handleClose(code, signal));
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this.child.on("error", (error) => this.handleClose(127, null, spawnFailure(command, error)));
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}
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get isClosed(): boolean {
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return this.closed;
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}
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request(method: string, params: JsonRecord, timeoutMs = requestTimeoutCapMs): Promise<unknown> {
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if (this.closed) return Promise.reject(this.closeFailure ?? new CodexStdioFailure("backend-failed", "codex app-server is closed", `request:${method}`));
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const id = this.nextId++;
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const message = { id, method, params };
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const effectiveTimeoutMs = positiveTimeout(timeoutMs);
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return new Promise((resolve, reject) => {
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const timer = setTimeout(() => {
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this.rejectRequest(id, new CodexStdioFailure("backend-timeout", `Codex stdio request ${method} timed out after ${effectiveTimeoutMs}ms`, `request:${method}`, { method, timeoutMs: effectiveTimeoutMs }));
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}, effectiveTimeoutMs);
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this.pending.set(id, { method, timer, resolve, reject });
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this.child.stdin.write(`${JSON.stringify(message)}\n`, "utf8", (error: Error | null | undefined) => {
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if (!error) return;
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this.rejectRequest(id, new CodexStdioFailure("backend-failed", `failed to write Codex stdio request ${method}: ${error.message}`, `request:${method}`, { method }));
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});
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});
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}
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notify(method: string, params: JsonRecord = {}): void {
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if (this.closed) return;
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this.child.stdin.write(`${JSON.stringify({ method, params })}\n`, "utf8", () => undefined);
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}
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stop(): void {
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if (this.closed) return;
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this.kill("SIGTERM");
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setTimeout(() => {
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if (!this.closed) this.kill("SIGKILL");
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}, 1500).unref?.();
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}
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private kill(signal: NodeJS.Signals): void {
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const pid = this.child.pid;
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if (typeof pid === "number") {
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try {
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process.kill(-pid, signal);
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return;
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} catch {
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// Fall back to killing the direct child when process-group termination is unavailable.
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}
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}
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this.child.kill(signal);
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}
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private appendStderr(chunk: Buffer): void {
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this.stderrBytes += chunk.byteLength;
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const next = Buffer.concat([this.stderrTailBuffer, chunk]);
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this.stderrTailBuffer = next.byteLength > stderrBufferBytes ? next.subarray(next.byteLength - stderrBufferBytes) : next;
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}
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private async readLines(rl: readline.Interface, onNotification: (message: JsonRecord) => void): Promise<void> {
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try {
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for await (const line of rl) {
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const trimmed = String(line).trim();
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if (trimmed.length === 0) continue;
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let message: JsonRecord;
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try {
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message = JSON.parse(trimmed) as JsonRecord;
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} catch {
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this.handleProtocolFailure(new CodexStdioFailure("backend-json-parse-error", "codex app-server emitted invalid JSON on stdout", "stdout:parse", { linePreview: redactText(trimmed.slice(0, 800)), lineChars: trimmed.length }));
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break;
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}
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this.handleMessage(message, onNotification);
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}
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} catch (error) {
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this.handleProtocolFailure(new CodexStdioFailure("backend-protocol-error", error instanceof Error ? error.message : String(error), "stdout:read"));
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}
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}
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private handleMessage(message: JsonRecord, onNotification: (message: JsonRecord) => void): void {
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const id = typeof message.id === "number" ? message.id : null;
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const method = typeof message.method === "string" ? message.method : null;
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if (id !== null && method === null) {
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this.handleResponse(id, message);
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return;
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}
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if (id !== null && method !== null) {
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this.handleServerRequest(id, method);
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return;
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}
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if (method !== null) {
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onNotification(message);
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return;
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}
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this.handleProtocolFailure(new CodexStdioFailure("backend-response-invalid", "codex app-server message had neither JSON-RPC id nor method", "stdout:message", { message }));
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}
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private handleResponse(id: number, message: JsonRecord): void {
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const pending = this.pending.get(id);
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if (!pending) return;
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this.pending.delete(id);
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clearTimeout(pending.timer);
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if (message.error !== undefined) {
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pending.reject(failureFromRpcError(pending.method, message.error));
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return;
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}
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if (!("result" in message)) {
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pending.reject(new CodexStdioFailure("backend-response-invalid", `codex app-server response for ${pending.method} omitted result and error`, `response:${pending.method}`, { method: pending.method }));
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return;
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}
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pending.resolve(message.result);
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}
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private handleServerRequest(id: number, method: string): void {
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if (method === "item/commandExecution/requestApproval" || method === "item/fileChange/requestApproval") {
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this.child.stdin.write(`${JSON.stringify({ id, result: { decision: "decline" } })}\n`);
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return;
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}
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this.child.stdin.write(`${JSON.stringify({ id, error: { code: -32601, message: `Unsupported client-side request: ${method}` } })}\n`);
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}
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private rejectRequest(id: number, error: CodexStdioFailure): void {
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const pending = this.pending.get(id);
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if (!pending) return;
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this.pending.delete(id);
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clearTimeout(pending.timer);
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pending.reject(error);
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}
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private rejectAll(error: Error): void {
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for (const pending of this.pending.values()) {
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clearTimeout(pending.timer);
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pending.reject(error);
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}
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this.pending.clear();
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}
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private handleProtocolFailure(error: CodexStdioFailure): void {
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if (this.closed) return;
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this.closeFailure = error;
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this.rejectAll(error);
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this.stop();
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}
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private handleClose(code: number | null, signal: string | null, failure: CodexStdioFailure | null = null): void {
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if (this.closed) return;
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this.closed = true;
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if (failure) this.closeFailure = failure;
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const stderr = this.stderrInfo();
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const closeInfo: CodexStdioCloseInfo = {
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code,
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signal,
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stderrTail: stderr.stderrTail,
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stderrBytes: this.stderrBytes,
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stderrTruncated: stderr.stderrTruncated,
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failureKind: this.closeFailure?.failureKind ?? null,
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message: this.closeFailure?.message ?? null,
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};
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this.rejectAll(this.closeFailure ?? new CodexStdioFailure("backend-failed", `codex app-server closed code=${code} signal=${signal}`, "process:close", closeInfo));
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this.closeResolve(closeInfo);
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}
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private stderrInfo(): { stderrTail: string; stderrTruncated: boolean } {
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const buffered = this.stderrTailBuffer.toString("utf8");
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const tail = buffered.slice(-8000);
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return {
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stderrTail: redactText(tail),
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stderrTruncated: this.stderrBytes > this.stderrTailBuffer.byteLength || buffered.length > tail.length,
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};
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}
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}
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export async function runCodexStdioTurn(options: CodexStdioTurnOptions): Promise<BackendTurnResult> {
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const session = new CodexStdioBackendSession();
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const result = await session.runTurn(options);
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const closeEvents = await session.close();
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return { ...result, events: [...result.events, ...closeEvents] };
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}
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export class CodexStdioBackendSession {
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private client: CodexStdioClient | null = null;
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private clientKey: string | null = null;
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async runTurn(options: CodexStdioTurnOptions): Promise<BackendTurnResult> {
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return await runCodexStdioTurnWithSession(options, this);
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}
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async close(): Promise<BackendEvent[]> {
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const client = this.client;
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if (!client) return [];
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this.client = null;
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this.clientKey = null;
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client.stop();
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const closeInfo = await client.closedPromise;
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return [{ type: "backend_status", payload: { phase: "codex-app-server-closed", appServerExit: closeEvent(closeInfo) } }];
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}
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async getClient(options: CodexStdioTurnOptions, env: NodeJS.ProcessEnv, emitEvent: (event: BackendEvent) => void): Promise<CodexStdioClient> {
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const key = codexClientKey(options, env);
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if (this.client && !this.client.isClosed && this.clientKey === key) {
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emitEvent({ type: "backend_status", payload: { phase: "codex-app-server:reused", ...backendMetadata(options), protocol: codexProtocol } });
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return this.client;
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}
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const closeEvents = await this.close();
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for (const event of closeEvents) emitEvent(event);
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emitEvent({
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type: "backend_status",
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payload: {
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phase: "codex-app-server-starting",
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...backendMetadata(options),
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protocol: codexProtocol,
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runtime: runtimeSummary(options, env, resolveCodexHome(options)),
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},
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});
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const clientOptions: ConstructorParameters<typeof CodexStdioClient>[0] = {
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cwd: options.cwd,
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env,
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onNotification: (message) => this.onNotification(message),
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};
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if (options.command) clientOptions.command = options.command;
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if (options.args) clientOptions.args = options.args;
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this.client = new CodexStdioClient(clientOptions);
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this.clientKey = key;
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const requestTimeoutMs = Math.min(positiveTimeout(options.timeoutMs), requestTimeoutCapMs);
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const initializeResult = requireResponseRecord(await this.client.request("initialize", { clientInfo: { name: "agentrun", title: "AgentRun", version: "0.1.0" }, capabilities: { experimentalApi: true } }, requestTimeoutMs), "initialize");
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validateInitializeResponse(initializeResult);
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this.client.notify("initialized", {});
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emitEvent({ type: "backend_status", payload: { phase: "initialize:completed", ...backendMetadata(options), protocol: codexProtocol } });
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return this.client;
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}
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private notificationHandlers = new Set<(message: JsonRecord) => void>();
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addNotificationHandler(handler: (message: JsonRecord) => void): () => void {
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this.notificationHandlers.add(handler);
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return () => this.notificationHandlers.delete(handler);
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}
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private onNotification(message: JsonRecord): void {
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for (const handler of this.notificationHandlers) handler(message);
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}
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}
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async function runCodexStdioTurnWithSession(options: CodexStdioTurnOptions, session: CodexStdioBackendSession): Promise<BackendTurnResult> {
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const codexHome = resolveCodexHome(options);
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const projectionFailure = await prepareProjectedCodexHome(codexHome, options.env?.AGENTRUN_CODEX_SECRET_HOME ?? process.env.AGENTRUN_CODEX_SECRET_HOME);
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if (projectionFailure) return projectionFailure;
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const secretFailure = codexHomeReadiness(codexHome);
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if (secretFailure) return secretFailure;
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const env = childEnv(options, codexHome);
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const events: BackendEvent[] = [];
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let liveEventWrite = Promise.resolve();
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const emitEvent = (event: BackendEvent): void => {
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const redactedEvent: BackendEvent = { ...event, payload: redactJson(event.payload) };
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if (options.onEvent) {
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liveEventWrite = liveEventWrite.then(() => Promise.resolve(options.onEvent?.(redactedEvent))).catch(() => undefined);
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return;
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}
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events.push(redactedEvent);
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};
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const emitEvents = (nextEvents: BackendEvent[]): void => {
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for (const event of nextEvents) emitEvent(event);
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};
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if (options.abortSignal?.aborted) {
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const cancelled = { status: "cancelled" as const, failureKind: "cancelled" as const, message: "cancel requested" };
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events.push({ type: "backend_status", payload: { phase: "turn-cancelled", failureKind: "cancelled" } });
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events.push({ type: "terminal_status", payload: { terminalStatus: cancelled.status, failureKind: cancelled.failureKind, message: cancelled.message } });
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return { terminalStatus: cancelled.status, failureKind: cancelled.failureKind, failureMessage: cancelled.message, events: events.map((event) => ({ ...event, payload: redactJson(event.payload) })) };
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}
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let assistantText = "";
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const completedAssistantMessages: CompletedAssistantMessage[] = [];
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const suppressedNotifications = createSuppressedNotificationSummary();
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let threadId: string | undefined = options.threadId;
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let turnId: string | undefined;
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let terminal: { status: TerminalStatus; failureKind: FailureKind | null; message: string | null } | null = null;
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let terminalResolve!: () => void;
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const terminalPromise = new Promise<void>((resolve) => { terminalResolve = resolve; });
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let client: CodexStdioClient | null = null;
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const requestTimeoutMs = Math.min(positiveTimeout(options.timeoutMs), requestTimeoutCapMs);
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let stopActiveTurn: (() => void) | undefined;
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const abortTurn = (): void => {
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if (terminal) return;
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terminal = { status: "cancelled", failureKind: "cancelled", message: "cancel requested" };
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emitEvent({ type: "backend_status", payload: { phase: "turn-cancelled", failureKind: "cancelled" } });
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client?.stop();
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terminalResolve();
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};
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options.abortSignal?.addEventListener("abort", abortTurn, { once: true });
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const timeout = setTimeout(() => {
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if (terminal) return;
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terminal = { status: "failed", failureKind: "backend-timeout", message: `codex stdio turn timed out after ${options.timeoutMs}ms` };
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emitEvent({ type: "error", payload: { failureKind: terminal.failureKind, message: terminal.message, phase: "turn:timeout" } });
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client?.stop();
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terminalResolve();
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}, positiveTimeout(options.timeoutMs));
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const stopNotifications = session.addNotificationHandler((message) => {
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const normalized = normalizeCodexNotification(message, suppressedNotifications);
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if (normalized.threadId) threadId = normalized.threadId;
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if (normalized.turnId) turnId = normalized.turnId;
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emitEvents(normalized.events);
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if (normalized.assistantDelta) assistantText += normalized.assistantDelta;
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if (normalized.completedAssistantMessage) {
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completedAssistantMessages.push(normalized.completedAssistantMessage);
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emitEvent(assistantMessageEventForCompleted(normalized.completedAssistantMessage, completedAssistantMessages.length));
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}
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if (normalized.terminal && !terminal) {
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terminal = normalized.terminal;
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terminalResolve();
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}
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});
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try {
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client = await session.getClient(options, env, emitEvent);
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const startThread = async (phasePrefix = "thread/start"): Promise<string> => {
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const response = requireResponseRecord(await client!.request("thread/start", withOptionalModel({ cwd: options.cwd, approvalPolicy: options.approvalPolicy, sandbox: options.sandbox, serviceName: "agentrun" }, options.model), requestTimeoutMs), "thread/start");
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const nextThreadId = requireNestedId(response, "thread/start", "thread");
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emitEvent({ type: "backend_status", payload: { phase: `${phasePrefix}:completed`, threadId: nextThreadId } });
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return nextThreadId;
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};
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if (options.threadId) {
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try {
|
|
const threadResponse = requireResponseRecord(await client.request("thread/resume", withOptionalModel({ threadId: options.threadId, cwd: options.cwd, approvalPolicy: options.approvalPolicy, sandbox: options.sandbox }, options.model), requestTimeoutMs), "thread/resume");
|
|
threadId = requireNestedId(threadResponse, "thread/resume", "thread");
|
|
emitEvent({ type: "backend_status", payload: { phase: "thread/resume:completed", threadId } });
|
|
} catch (error) {
|
|
const failure = normalizeFailure(error);
|
|
if (!isMissingRolloutThreadResumeFailure(failure)) throw error;
|
|
throw threadResumeFailure(options.threadId, failure);
|
|
}
|
|
} else {
|
|
threadId = await startThread();
|
|
}
|
|
|
|
const turnResponse = requireResponseRecord(await client.request("turn/start", withOptionalModel({ threadId, input: textInput(options.prompt), cwd: options.cwd, approvalPolicy: options.approvalPolicy }, options.model), requestTimeoutMs), "turn/start");
|
|
turnId = requireNestedId(turnResponse, "turn/start", "turn");
|
|
emitEvent({ type: "backend_status", payload: { phase: "turn/start:completed", turnId } });
|
|
if (threadId && turnId && options.onActiveTurn) {
|
|
const maybeStop = options.onActiveTurn({
|
|
threadId,
|
|
turnId,
|
|
steer: async (prompt: string) => {
|
|
await client!.request("turn/steer", { threadId: threadId!, expectedTurnId: turnId!, input: textInput(prompt) }, requestTimeoutMs);
|
|
},
|
|
interrupt: async () => {
|
|
await client!.request("turn/interrupt", { threadId: threadId!, turnId: turnId! }, requestTimeoutMs);
|
|
},
|
|
});
|
|
if (typeof maybeStop === "function") stopActiveTurn = maybeStop;
|
|
}
|
|
|
|
const race = await Promise.race([
|
|
terminalPromise.then(() => ({ kind: "terminal" as const })),
|
|
client.closedPromise.then((closeInfo) => ({ kind: "closed" as const, closeInfo })),
|
|
]);
|
|
if (race.kind === "closed" && !terminal) {
|
|
terminal = terminalFromClose(race.closeInfo);
|
|
emitEvent({ type: "error", payload: { failureKind: terminal.failureKind, message: terminal.message, phase: "transport:closed-before-terminal", appServerExit: closeEvent(race.closeInfo) } });
|
|
}
|
|
if (!terminal) terminal = { status: "failed", failureKind: "backend-response-invalid", message: "codex app-server did not emit turn/completed" };
|
|
} catch (error) {
|
|
if (!terminal) {
|
|
const failure = normalizeFailure(error);
|
|
terminal = { status: failure.failureKind === "secret-unavailable" ? "blocked" : "failed", failureKind: failure.failureKind, message: failure.message };
|
|
emitEvent({ type: "error", payload: { failureKind: failure.failureKind, message: failure.message, phase: failure.phase, details: failure.details } });
|
|
}
|
|
} finally {
|
|
stopActiveTurn?.();
|
|
stopNotifications();
|
|
options.abortSignal?.removeEventListener("abort", abortTurn);
|
|
clearTimeout(timeout);
|
|
}
|
|
if (!terminal) terminal = { status: "failed", failureKind: "backend-response-invalid", message: "codex app-server finished without terminal status" };
|
|
if (terminal.status !== "completed") emitEvents(await session.close());
|
|
if (completedAssistantMessages.length === 0) emitEvents(assistantMessageEventsForTurn(assistantText, terminal.status === "completed"));
|
|
emitEvents(suppressedNotificationEvents(suppressedNotifications));
|
|
emitEvent({ type: "terminal_status", payload: { terminalStatus: terminal.status, failureKind: terminal.failureKind, message: terminal.message } });
|
|
await liveEventWrite;
|
|
return { terminalStatus: terminal.status, failureKind: terminal.failureKind, failureMessage: terminal.message, events: events.map((event) => ({ ...event, payload: redactJson(event.payload) })), ...(threadId ? { threadId } : {}), ...(turnId ? { turnId } : {}) };
|
|
}
|
|
|
|
async function prepareProjectedCodexHome(codexHome: string, projectedHome: string | undefined): Promise<BackendTurnResult | null> {
|
|
if (!projectedHome || projectedHome.trim().length === 0) return null;
|
|
if (path.resolve(projectedHome) === path.resolve(codexHome)) return null;
|
|
try {
|
|
await mkdir(codexHome, { recursive: true, mode: 0o700 });
|
|
for (const fileName of ["auth.json", "config.toml"]) {
|
|
await copyFile(path.join(projectedHome, fileName), path.join(codexHome, fileName));
|
|
await chmod(path.join(codexHome, fileName), 0o600);
|
|
}
|
|
return null;
|
|
} catch (error) {
|
|
const payload = {
|
|
failureKind: "secret-unavailable",
|
|
projection: {
|
|
source: pathSummary(projectedHome),
|
|
destination: pathSummary(codexHome),
|
|
valuesPrinted: false,
|
|
},
|
|
message: error instanceof Error ? redactText(error.message) : "failed to prepare writable Codex home",
|
|
} satisfies JsonRecord;
|
|
return {
|
|
terminalStatus: "blocked",
|
|
failureKind: "secret-unavailable",
|
|
failureMessage: "Codex Secret projection could not be copied to writable CODEX_HOME",
|
|
events: [
|
|
{ type: "error", payload },
|
|
{ type: "terminal_status", payload: { terminalStatus: "blocked", failureKind: "secret-unavailable" } },
|
|
],
|
|
};
|
|
}
|
|
}
|
|
|
|
function codexHomeReadiness(codexHome: string): BackendTurnResult | null {
|
|
const auth = fileReadable(`${codexHome}/auth.json`);
|
|
const config = fileReadable(`${codexHome}/config.toml`);
|
|
if (auth.readable && config.readable) return null;
|
|
const payload = {
|
|
failureKind: "secret-unavailable",
|
|
projection: {
|
|
codexHome: pathSummary(codexHome),
|
|
authJson: auth,
|
|
configToml: config,
|
|
valuesPrinted: false,
|
|
},
|
|
} satisfies JsonRecord;
|
|
return {
|
|
terminalStatus: "blocked",
|
|
failureKind: "secret-unavailable",
|
|
failureMessage: "Codex auth.json or config.toml projection is not readable",
|
|
events: [
|
|
{ type: "error", payload },
|
|
{ type: "terminal_status", payload: { terminalStatus: "blocked", failureKind: "secret-unavailable" } },
|
|
],
|
|
};
|
|
}
|
|
|
|
function normalizeCodexNotification(message: JsonRecord, suppressed: SuppressedNotificationSummary): { events: BackendEvent[]; assistantDelta?: string; completedAssistantMessage?: CompletedAssistantMessage; threadId?: string; turnId?: string; terminal?: { status: TerminalStatus; failureKind: FailureKind | null; message: string | null } } {
|
|
const method = typeof message.method === "string" ? message.method : "unknown";
|
|
const params = asRecordAt(message, "params");
|
|
if (method === "thread/started") {
|
|
const threadId = stringAt(asRecordAt(params, "thread"), "id");
|
|
return { events: [{ type: "backend_status", payload: { phase: method, threadId } }], ...(threadId ? { threadId } : {}) };
|
|
}
|
|
if (method === "turn/started") {
|
|
const turnId = stringAt(asRecordAt(params, "turn"), "id");
|
|
return { events: [{ type: "backend_status", payload: { phase: method, turnId } }], ...(turnId ? { turnId } : {}) };
|
|
}
|
|
if (isSuppressedCodexStatusNotification(method)) {
|
|
recordSuppressedNotification(suppressed, method);
|
|
return { events: [] };
|
|
}
|
|
if (method === "item/agentMessage/delta") return { events: [], assistantDelta: typeof params.delta === "string" ? params.delta : "" };
|
|
if (method === "item/commandExecution/outputDelta") return { events: [{ type: "command_output", payload: commandOutputPayload("stdout", typeof params.delta === "string" ? params.delta : "") }] };
|
|
if (method === "item/reasoning/textDelta") {
|
|
recordSuppressedNotification(suppressed, method, "reasoning");
|
|
return { events: [] };
|
|
}
|
|
if ((method === "item/started" || method === "item/completed") && asRecordAt(params, "item").type === "agentMessage") {
|
|
const item = asRecordAt(params, "item");
|
|
const itemId = stringAt(item, "id") ?? stringAt(params, "itemId");
|
|
const text = method === "item/completed" ? agentMessageText(item) : "";
|
|
const completedAssistantMessage = text.trim().length > 0 ? { itemId: itemId ?? null, text } : undefined;
|
|
return {
|
|
events: [],
|
|
...(completedAssistantMessage ? { completedAssistantMessage } : {}),
|
|
};
|
|
}
|
|
if (method === "item/started" || method === "item/completed") {
|
|
const item = asRecordAt(params, "item");
|
|
const itemType = typeof item.type === "string" ? item.type : "unknown";
|
|
if (itemType !== "commandExecution" || isSuppressedCodexItemType(itemType)) {
|
|
recordSuppressedNotification(suppressed, method, itemType);
|
|
return { events: [] };
|
|
}
|
|
return { events: [{ type: "tool_call", payload: toolCallPayload(method, item) }] };
|
|
}
|
|
if (method === "error") {
|
|
const error = asRecordAt(params, "error");
|
|
const messageText = typeof error.message === "string" ? error.message : "Codex app-server error";
|
|
const failureKind = classifyCodexErrorRecord(error, "backend-failed");
|
|
const terminal = params.willRetry === true ? undefined : { status: "failed" as const, failureKind, message: redactText(messageText) };
|
|
return { events: [{ type: "error", payload: { failureKind, error: redactJson(error), willRetry: params.willRetry === true } }], ...(terminal ? { terminal } : {}) };
|
|
}
|
|
if (method === "turn/completed") {
|
|
const turn = asRecordAt(params, "turn");
|
|
if (typeof turn.status !== "string") {
|
|
return { events: [{ type: "error", payload: { failureKind: "backend-response-invalid", message: "turn/completed notification omitted turn.status" } }], terminal: { status: "failed", failureKind: "backend-response-invalid", message: "turn/completed notification omitted turn.status" } };
|
|
}
|
|
const status = terminalStatusFromValue(turn.status);
|
|
const error = asRecordAt(turn, "error");
|
|
const messageText = typeof error.message === "string" ? redactText(error.message) : null;
|
|
const failureKind = status === "completed" ? null : classifyCodexErrorRecord(Object.keys(error).length > 0 ? error : { message: turn.status }, "backend-failed");
|
|
const events: BackendEvent[] = [{ type: "backend_status", payload: { phase: method, terminalStatus: status } }];
|
|
if (failureKind) events.push({ type: "error", payload: { failureKind, error: redactJson(error), phase: method } });
|
|
return { events, terminal: { status, failureKind, message: messageText } };
|
|
}
|
|
return { events: [{ type: "backend_status", payload: { phase: method } }] };
|
|
}
|
|
|
|
function createSuppressedNotificationSummary(): SuppressedNotificationSummary {
|
|
return { total: 0, byMethod: {}, byItemType: {} };
|
|
}
|
|
|
|
function recordSuppressedNotification(summary: SuppressedNotificationSummary, method: string, itemType?: string): void {
|
|
summary.total += 1;
|
|
summary.byMethod[method] = (summary.byMethod[method] ?? 0) + 1;
|
|
if (itemType) summary.byItemType[itemType] = (summary.byItemType[itemType] ?? 0) + 1;
|
|
}
|
|
|
|
function suppressedNotificationEvents(summary: SuppressedNotificationSummary): BackendEvent[] {
|
|
if (summary.total === 0) return [];
|
|
return [{
|
|
type: "backend_status",
|
|
payload: {
|
|
phase: "codex-app-server-notifications-suppressed",
|
|
total: summary.total,
|
|
methods: countRecordEntries(summary.byMethod, "method"),
|
|
itemTypes: countRecordEntries(summary.byItemType, "itemType"),
|
|
valuesPrinted: false,
|
|
},
|
|
}];
|
|
}
|
|
|
|
function countRecordEntries(input: Record<string, number>, keyName: "method" | "itemType"): JsonRecord[] {
|
|
return Object.entries(input)
|
|
.sort(([left], [right]) => left.localeCompare(right))
|
|
.map(([name, count]) => ({ [keyName]: name, count }) as JsonRecord);
|
|
}
|
|
|
|
function isSuppressedCodexStatusNotification(method: string): boolean {
|
|
return method === "thread/tokenUsage/updated" || method === "account/rateLimits/updated" || method === "warning" || method === "configWarning";
|
|
}
|
|
|
|
function isSuppressedCodexItemType(itemType: string): boolean {
|
|
return itemType === "reasoning";
|
|
}
|
|
|
|
function assistantMessageEventForCompleted(message: CompletedAssistantMessage, messageIndex: number): BackendEvent {
|
|
return {
|
|
type: "assistant_message",
|
|
payload: {
|
|
text: message.text,
|
|
itemId: message.itemId,
|
|
source: "completed-agent-message",
|
|
messageIndex,
|
|
messageCount: null,
|
|
replyAuthority: false,
|
|
final: false,
|
|
},
|
|
};
|
|
}
|
|
|
|
function assistantMessageEventsForTurn(assistantDeltaText: string, completed: boolean): BackendEvent[] {
|
|
if (assistantDeltaText.trim().length === 0) return [];
|
|
return [{
|
|
type: "assistant_message",
|
|
payload: {
|
|
text: assistantDeltaText,
|
|
itemId: null,
|
|
source: "agent-message-delta-fallback",
|
|
messageIndex: 1,
|
|
messageCount: 1,
|
|
replyAuthority: completed,
|
|
final: completed,
|
|
},
|
|
}];
|
|
}
|
|
|
|
function terminalStatusFromValue(value: unknown): TerminalStatus {
|
|
if (value === "completed") return "completed";
|
|
if (value === "cancelled" || value === "canceled" || value === "interrupted") return "cancelled";
|
|
if (value === "blocked") return "blocked";
|
|
return "failed";
|
|
}
|
|
|
|
function toolCallPayload(method: string, item: JsonRecord): JsonRecord {
|
|
const redacted = redactJson(item);
|
|
const itemId = typeof redacted.id === "string" ? redacted.id : null;
|
|
const itemType = typeof redacted.type === "string" ? redacted.type : "unknown";
|
|
const command = typeof redacted.command === "string" ? redacted.command : null;
|
|
const cwd = typeof redacted.cwd === "string" ? redacted.cwd : null;
|
|
const status = typeof redacted.status === "string" ? redacted.status : null;
|
|
const processId = typeof redacted.processId === "string" || typeof redacted.processId === "number" ? String(redacted.processId) : null;
|
|
const exitCode = typeof redacted.exitCode === "number" ? redacted.exitCode : null;
|
|
const durationMs = typeof redacted.durationMs === "number" ? redacted.durationMs : null;
|
|
const outputSummary = toolCallOutputSummary(redacted);
|
|
return {
|
|
method,
|
|
itemId,
|
|
type: itemType,
|
|
toolName: itemType,
|
|
...(command ? { command } : {}),
|
|
...(cwd ? { cwd } : {}),
|
|
...(status ? { status } : {}),
|
|
...(processId ? { processId } : {}),
|
|
...(exitCode !== null ? { exitCode } : {}),
|
|
...(durationMs !== null ? { durationMs } : {}),
|
|
...(outputSummary ? { outputSummary } : {}),
|
|
valuesPrinted: false,
|
|
};
|
|
}
|
|
|
|
function toolCallOutputSummary(item: JsonRecord): string | null {
|
|
const direct = item.outputSummary ?? item.stdoutSummary ?? item.message;
|
|
if (typeof direct === "string" && direct.trim().length > 0) return String(boundedTextSummary(direct).text);
|
|
const summary = item.summary;
|
|
if (typeof summary === "object" && summary !== null && !Array.isArray(summary) && typeof (summary as JsonRecord).text === "string") {
|
|
const text = String((summary as JsonRecord).text);
|
|
if (text.trim().length > 0) return String(boundedTextSummary(text).text);
|
|
}
|
|
const aggregated = item.aggregatedOutput;
|
|
if (typeof aggregated === "string" && aggregated.trim().length > 0) return String(boundedTextSummary(aggregated).text);
|
|
return null;
|
|
}
|
|
|
|
function withOptionalModel(params: JsonRecord, model: string | undefined): JsonRecord {
|
|
const value = typeof model === "string" ? model.trim() : "";
|
|
if (!value) return params;
|
|
return { ...params, model: value };
|
|
}
|
|
|
|
function childEnv(options: CodexStdioTurnOptions, codexHome: string): NodeJS.ProcessEnv {
|
|
return {
|
|
...process.env,
|
|
...options.env,
|
|
CODEX_HOME: codexHome,
|
|
CODEX_INTERNAL_ORIGINATOR_OVERRIDE: "agentrun",
|
|
};
|
|
}
|
|
|
|
function codexClientKey(options: CodexStdioTurnOptions, env: NodeJS.ProcessEnv): string {
|
|
return JSON.stringify({
|
|
command: options.command ?? "codex",
|
|
args: options.args ?? defaultCodexArgs,
|
|
cwd: options.cwd,
|
|
codexHome: env.CODEX_HOME ?? resolveCodexHome(options),
|
|
backendProfile: options.backendProfile ?? "codex",
|
|
model: options.model ?? null,
|
|
approvalPolicy: options.approvalPolicy,
|
|
sandbox: options.sandbox,
|
|
});
|
|
}
|
|
|
|
function resolveCodexHome(options: CodexStdioTurnOptions): string {
|
|
return options.codexHome ?? options.env?.CODEX_HOME ?? `${options.env?.HOME ?? process.env.HOME ?? ""}/.codex`;
|
|
}
|
|
|
|
function validateInitializeResponse(value: JsonRecord): void {
|
|
const serverInfo = value.serverInfo;
|
|
if (serverInfo !== undefined && (typeof serverInfo !== "object" || serverInfo === null || Array.isArray(serverInfo))) {
|
|
throw new CodexStdioFailure("backend-response-invalid", "initialize response serverInfo must be an object when present", "response:initialize", { response: value });
|
|
}
|
|
}
|
|
|
|
function requireResponseRecord(value: unknown, method: string): JsonRecord {
|
|
if (typeof value === "object" && value !== null && !Array.isArray(value)) return value as JsonRecord;
|
|
throw new CodexStdioFailure("backend-response-invalid", `${method} response result must be an object`, `response:${method}`);
|
|
}
|
|
|
|
function requireNestedId(value: JsonRecord, method: string, key: string): string {
|
|
const id = stringAt(asRecordAt(value, key), "id");
|
|
if (id) return id;
|
|
throw new CodexStdioFailure("backend-response-invalid", `${method} response did not include ${key}.id`, `response:${method}`, { response: value });
|
|
}
|
|
|
|
function textInput(text: string): JsonValue[] {
|
|
return [{ type: "text", text, text_elements: [] }];
|
|
}
|
|
|
|
function agentMessageText(item: JsonRecord): string {
|
|
for (const key of ["text", "content", "message"]) {
|
|
const value = item[key];
|
|
if (typeof value === "string") return value;
|
|
}
|
|
for (const key of ["text_elements", "content"]) {
|
|
const value = item[key];
|
|
if (!Array.isArray(value)) continue;
|
|
const parts = value.flatMap((entry) => {
|
|
if (typeof entry === "string") return [entry];
|
|
if (typeof entry !== "object" || entry === null || Array.isArray(entry)) return [];
|
|
const record = entry as JsonRecord;
|
|
return typeof record.text === "string" ? [record.text] : [];
|
|
});
|
|
if (parts.length > 0) return parts.join("");
|
|
}
|
|
return "";
|
|
}
|
|
|
|
function fileReadable(filePath: string): JsonRecord {
|
|
try {
|
|
accessSync(filePath, fsConstants.R_OK);
|
|
return { ...pathSummary(filePath), readable: true };
|
|
} catch {
|
|
return { ...pathSummary(filePath), readable: false };
|
|
}
|
|
}
|
|
|
|
function pathSummary(value: string): JsonRecord {
|
|
const raw = String(value || "");
|
|
const parts = raw.split(/[\\/]+/u).filter(Boolean);
|
|
return {
|
|
present: raw.trim().length > 0,
|
|
absolute: path.isAbsolute(raw),
|
|
basename: parts.at(-1) ?? null,
|
|
depth: parts.length,
|
|
fingerprint: shortHash(raw),
|
|
valuePrinted: false,
|
|
};
|
|
}
|
|
|
|
function runtimeSummary(options: CodexStdioTurnOptions, env: NodeJS.ProcessEnv, codexHome: string): JsonRecord {
|
|
return {
|
|
command: options.command ?? "codex",
|
|
args: options.args ?? defaultCodexArgs,
|
|
cwd: pathSummary(options.cwd),
|
|
workspace: pathSummary(options.cwd),
|
|
codexHome: pathSummary(codexHome),
|
|
env: envSummary(env),
|
|
valuesPrinted: false,
|
|
};
|
|
}
|
|
|
|
function backendMetadata(options: CodexStdioTurnOptions): JsonRecord {
|
|
const profile = options.backendProfile ?? "codex";
|
|
const spec = backendProfileSpec(profile);
|
|
return {
|
|
backendProfile: profile,
|
|
backendKind: spec?.backendKind ?? "codex-app-server-stdio",
|
|
protocol: spec?.protocol ?? codexProtocol,
|
|
transport: spec?.transport ?? "stdio",
|
|
};
|
|
}
|
|
|
|
function envSummary(env: NodeJS.ProcessEnv): JsonRecord {
|
|
const keyState: Record<string, JsonValue> = {};
|
|
for (const key of childEnvSummaryKeys) keyState[key] = { present: typeof env[key] === "string" && String(env[key]).length > 0 };
|
|
const secretLikeKeyCount = Object.keys(env).filter((key) => /auth|authorization|api[_-]?key|token|password|secret|credential/iu.test(key)).length;
|
|
return {
|
|
keyCount: Object.keys(env).length,
|
|
trackedKeys: keyState,
|
|
secretLikeKeyCount,
|
|
valuesPrinted: false,
|
|
};
|
|
}
|
|
|
|
function closeEvent(closeInfo: CodexStdioCloseInfo): JsonRecord {
|
|
return {
|
|
code: closeInfo.code,
|
|
signal: closeInfo.signal,
|
|
failureKind: closeInfo.failureKind,
|
|
message: closeInfo.message,
|
|
stderrTail: closeInfo.stderrTail.slice(-stderrEventChars),
|
|
stderrBytes: closeInfo.stderrBytes,
|
|
stderrTruncated: closeInfo.stderrTruncated || closeInfo.stderrTail.length > stderrEventChars,
|
|
};
|
|
}
|
|
|
|
function terminalFromClose(closeInfo: CodexStdioCloseInfo): { status: TerminalStatus; failureKind: FailureKind; message: string } {
|
|
const baseMessage = `codex app-server closed before turn/completed code=${closeInfo.code} signal=${closeInfo.signal}`;
|
|
const combined = [closeInfo.message ?? "", closeInfo.stderrTail].filter(Boolean).join("\n");
|
|
const failureKind = closeInfo.failureKind ?? classifyMessageFailureKind(combined, "backend-response-invalid");
|
|
const stderrPreview = closeInfo.stderrTail.trim().length > 0 ? `; stderrTail=${closeInfo.stderrTail.slice(-1000)}` : "";
|
|
return { status: "failed", failureKind, message: redactText(`${baseMessage}${stderrPreview}`) };
|
|
}
|
|
|
|
function failureFromRpcError(method: string, value: unknown): CodexStdioFailure {
|
|
const error = typeof value === "object" && value !== null ? value as Record<string, unknown> : {};
|
|
const message = typeof error.message === "string" ? error.message : JSON.stringify(redactJson(value as JsonValue));
|
|
return new CodexStdioFailure(classifyMessageFailureKind(message, "backend-protocol-error"), `codex app-server ${method} error: ${message}`, `response:${method}`, { method, error: redactJson(value as JsonValue) });
|
|
}
|
|
|
|
function spawnFailure(command: string, error: unknown): CodexStdioFailure {
|
|
const message = error instanceof Error ? error.message : String(error);
|
|
const code = typeof error === "object" && error !== null && "code" in error ? String((error as { code?: unknown }).code ?? "") : "";
|
|
return new CodexStdioFailure("backend-spawn-failed", `failed to start Codex app-server command ${command}: ${message}`, "process:spawn", { command, code });
|
|
}
|
|
|
|
function normalizeFailure(error: unknown): CodexStdioFailure {
|
|
if (error instanceof CodexStdioFailure) return error;
|
|
const message = error instanceof Error ? error.message : String(error);
|
|
return new CodexStdioFailure(classifyMessageFailureKind(message, "backend-protocol-error"), message, "codex-stdio");
|
|
}
|
|
|
|
function isMissingRolloutThreadResumeFailure(error: CodexStdioFailure): boolean {
|
|
if (error.phase !== "response:thread/resume") return false;
|
|
const text = `${error.message}\n${JSON.stringify(error.details)}`.toLowerCase();
|
|
return text.includes("no rollout found for thread id");
|
|
}
|
|
|
|
function threadResumeFailure(threadId: string, error: CodexStdioFailure): CodexStdioFailure {
|
|
return new CodexStdioFailure(
|
|
"thread-resume-failed",
|
|
`codex app-server thread/resume failed for existing thread: ${error.message}`,
|
|
"thread/resume",
|
|
{
|
|
requestedThreadId: threadId,
|
|
originalFailureKind: error.failureKind,
|
|
originalPhase: error.phase,
|
|
originalDetails: redactJson(error.details),
|
|
valuesPrinted: false,
|
|
},
|
|
);
|
|
}
|
|
|
|
function classifyCodexErrorRecord(error: JsonRecord, fallback: FailureKind): FailureKind {
|
|
const parts: string[] = [];
|
|
if (typeof error.message === "string") parts.push(error.message);
|
|
if (typeof error.additionalDetails === "string") parts.push(error.additionalDetails);
|
|
const redactedJson = JSON.stringify(redactJson(error as JsonValue));
|
|
if (redactedJson && redactedJson !== "{}") parts.push(redactedJson);
|
|
return classifyMessageFailureKind(parts.join("\n"), fallback);
|
|
}
|
|
|
|
function classifyMessageFailureKind(message: string, fallback: FailureKind): FailureKind {
|
|
const text = String(message || "").toLowerCase();
|
|
if (/invalid[_ -]?prompt/u.test(text) && /invalid function arguments json string|tool_call_id/u.test(text)) return "provider-invalid-tool-call";
|
|
if (/invalid function arguments json string/u.test(text)) return "provider-invalid-tool-call";
|
|
if (/rate.?limit|too many requests|\b429\b/u.test(text)) return "provider-rate-limited";
|
|
if (/\b401\b|\b403\b|unauthori[sz]ed|forbidden|invalid api key|authentication|auth failed|oauth|access token/u.test(text)) return "provider-auth-failed";
|
|
if (isProviderUnavailableMessage(text)) return "provider-unavailable";
|
|
if (/timed out|timeout|idle timeout/u.test(text)) return "backend-timeout";
|
|
if (/invalid json|json parse/u.test(text)) return "backend-json-parse-error";
|
|
return fallback;
|
|
}
|
|
|
|
function isProviderUnavailableMessage(text: string): boolean {
|
|
if (/\b(?:http(?:\s+status)?|status(?:\s+code)?|code)\s*[:=]?\s*5\d\d\b/u.test(text)) return true;
|
|
if (/\b5\d\d\b/u.test(text) && /service unavailable|bad gateway|gateway timeout|internal server error|provider|upstream|response\s*stream\s*disconnected|responsestreamdisconnected/u.test(text)) return true;
|
|
if (/service unavailable|temporar(?:y|ily) unavailable|provider (?:is )?unavailable|provider availability|upstream (?:is )?unavailable/u.test(text)) return true;
|
|
return false;
|
|
}
|
|
|
|
function positiveTimeout(value: number): number {
|
|
return Number.isFinite(value) && value > 0 ? Math.max(1, Math.floor(value)) : requestTimeoutCapMs;
|
|
}
|
|
|
|
function asRecordAt(value: JsonRecord, key: string): JsonRecord {
|
|
const next = value[key];
|
|
return typeof next === "object" && next !== null && !Array.isArray(next) ? next as JsonRecord : {};
|
|
}
|
|
|
|
function stringAt(value: JsonRecord, key: string): string | null {
|
|
return typeof value[key] === "string" && String(value[key]).length > 0 ? String(value[key]) : null;
|
|
}
|
|
|
|
function shortHash(value: string): string {
|
|
return createHash("sha256").update(value).digest("hex").slice(0, 12);
|
|
}
|