Function runnerConfig

Returns {
    dbPath: string;
    gatewayApiKey?: string;
    gatewayUrl: string;
    host: string;
    jobsDir?: string;
    logging: {
        file?: string;
        level: "error" | "trace" | "debug" | "info" | "warn" | "fatal";
    };
    maxConcurrency: number;
    notifications: {
        defaultOnFailure: string
        | null;
        defaultOnSuccess: string | null;
        slackTokenPath?: string;
    };
    port: number;
    reconcileIntervalMs: number;
    runners: z.ZodDefault<z.ZodRecord<z.ZodString, z.ZodString>>;
    runRetentionDays: number;
    scriptsDir?: string;
    shutdownGraceMs: number;
    stateCleanupIntervalMs: number;
}