/** Record that the agent has entered an effect boundary. */
export declare function setEffectActive(cwd: string): void;
/** Clear the effect-active marker (the agent exited the effect boundary). */
export declare function clearEffectActive(cwd: string): void;
/** True iff the agent is currently inside an effect boundary. Tolerates malformed file. */
export declare function readEffectActive(cwd: string): boolean;
/** True iff the compiled markdown declares an effect boundary (`<!-- vigiles:effect -->`). */
export declare function hasEffectBoundary(markdown: string): boolean;
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