import type { LocalAgent } from './agent.js';
/**
 * Implementors are given the agent at registration time so they can subscribe
 * to hook events of their choice via {@link LocalAgent.addHook}. This is the
 * extension point for components that need to observe arbitrary lifecycle
 * events. Each observer method is optional — implementors define only the
 * surfaces they care about, and the agent probes for each at registration.
 */
export interface LifecycleObserver {
    /** Stable identifier for this observer. Used for logging and duplicate detection. */
    readonly name: string;
    /**
     * Called once when the observer is registered with an agent. Implementations
     * typically subscribe to one or more events via `agent.addHook`.
     */
    observeAgent?(agent: LocalAgent): void | Promise<void>;
}
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