/**
 * Validate spawn readiness — unified pre-flight hygiene runner (T10451).
 *
 * Runs all 3 gates in parallel:
 *   1. Changeset lint (via scripts/lint-changesets.mjs)
 *   2. Changelog drift (CHANGELOG.md has current version header)
 *   3. Worktree location (cwd matches expected worktree path)
 *
 * Returns non-zero exit code on any failure.
 *
 * @task T10451
 * @saga T10431
 */
/** Severity level for a gate result. */
type Severity = 'error' | 'warn';
/** Result from a single hygiene gate. */
export interface HygieneGateResult {
    /** Gate name. */
    name: string;
    /** Whether the gate passed. */
    passed: boolean;
    /** Human-readable message. */
    message: string;
    /** Severity if failed. */
    severity: Severity;
}
/** Overall result from the spawn-readiness check. */
export interface SpawnReadinessResult {
    /** Per-gate results. */
    gates: HygieneGateResult[];
    /** True only if ALL gates passed. */
    allPassed: boolean;
    /** ISO timestamp of the check. */
    checkedAt: string;
}
/**
 * Run the full spawn-readiness hygiene check.
 *
 * @param projectRoot - Absolute path to project root (default: process.cwd()).
 * @param worktreePath - Expected worktree path (optional).
 * @returns Structured result with per-gate details.
 */
export declare function runSpawnReadinessHygiene(projectRoot?: string, // CWD-OK: public API default — caller passes explicit root when invoked from non-cwd context
worktreePath?: string): Promise<SpawnReadinessResult>;
/**
 * CLI-friendly entry point. Prints results and exits with code 1 on failure.
 *
 * @param projectRoot - Absolute path to project root.
 * @param worktreePath - Expected worktree path (optional).
 */
export declare function runSpawnReadinessHygieneCli(projectRoot?: string, // CWD-OK: CLI entry point default — `cleo hygiene` invoked from project cwd
worktreePath?: string): Promise<void>;
export {};
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