let jobTtlMs = clampTtl(readEnvInt("OPENCLAW_BASH_JOB_TTL_MS", "PI_BASH_JOB_TTL_MS"));

/** Lifecycle status recorded for background process sessions. */

export type ProcessStatus = "running" | "completed" | "failed" | "killed";

type ProcessStatus = "running" | "completed" | "failed" | "killed";

/** Writable stdin surface shared by child-process and PTY-backed sessions. */

export type SessionStdin = {

type SessionStdin = {

write: (data: string, cb?: (err?: Error | null) => void) => void;

end: () => void;

// When backed by a real Node stream (child.stdin), this exists; for PTY wrappers it may not.

}

/** Retained summary for a completed background session. */

export interface FinishedSession {

interface FinishedSession {

id: string;

command: string;

scopeKey?: string;

}

/** Keeps only the last `max` characters for bounded aggregate output storage. */

export function trimWithCap(text: string, max: number) {

function trimWithCap(text: string, max: number) {

if (text.length <= max) {

return text;

}