import type { ScaffoldConfig } from '../types/index.js';
/**
 * Ensure state is at v3 for multi-service projects.
 * Called by all commands before state access.
 * No-op for single-service or already-v3 projects.
 * Computes globalSteps from overlay if not provided.
 */
export declare function ensureV3Migration(projectRoot: string, config: ScaffoldConfig | null, globalSteps?: Set<string>): void;
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