export interface SchedJob {
    /** CLI job name: `scaffold sched install <name>`. */
    name: string;
    /** launchd reverse-DNS label, e.g. com.<project>.merge-poller. */
    label: string;
    /** systemd unit basename, e.g. scaffold-<project>-merge-poller. */
    unitBase: string;
    /** Absolute program path + args — resolved at INSTALL time (D6). */
    programArguments: string[];
    intervalSeconds: number;
    workingDirectory: string;
    /** Absolute log paths under <project>/.mq/logs/ (D6). */
    stdoutPath: string;
    stderrPath: string;
    /** Explicit environment — launchd/systemd inherit no shell init (rumble lesson). */
    environment: Record<string, string>;
}
export interface SchedActionResult {
    ok: boolean;
    /** True only when the post-install liveness check passed (launchctl print /
     *  systemctl is-active) — file presence proves nothing (spec D6). */
    verified: boolean;
    messages: string[];
}
export interface SchedStatus {
    /** Unit/plist file exists on disk. */
    installed: boolean;
    /** Job actually loaded per launchctl print / systemctl is-active. */
    loaded: boolean;
    /** Heartbeat: mtime of the stdout log, ISO — null when the job never ran. */
    lastRunAt: string | null;
    detail: string;
}
export interface SchedBackend {
    platform: 'launchd' | 'systemd';
    unitPaths(job: SchedJob): string[];
    install(job: SchedJob): SchedActionResult;
    uninstall(job: SchedJob): SchedActionResult;
    status(job: SchedJob): SchedStatus;
}
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