//! Input validation helpers for edit operations.
//!
//! Purpose:
//! - Input validation helpers for edit operations.
//!
//! Responsibilities:
//! - Wrap validate module functions for use in edit operations.
//!
//! Non-scope:
//! - Full task validation (see `queue::validate_queue_set`).
//!
//! Usage:
//! - Used through the crate module tree or integration test harness.
//!
//! Invariants/Assumptions:
//! - Keep behavior aligned with CueLoop's canonical CLI, machine-contract, and queue semantics.
use crateparse_rfc3339_utc;
use Result;
/// Ensure we have a valid RFC3339 timestamp for `now`.
pub