/**
 * RTK guidance hook — injects a short system-reminder into agent
 * sessions instructing them to prefix shell commands with `rtk`
 * (the Rust Token Killer CLI proxy).
 *
 * The reminder is injected once per session, only for agents that
 * have shell access (i.e. bash-capable primary agents). Read-only
 * agents (librarian/explore/oracle/sage) don't run shell commands,
 * so they are skipped to avoid context noise.
 *
 * See `src/runtime/rtk.ts` for the installer and raw instruction text.
 */
import type { Logger, PluginConfig } from '../types';
export interface RtkGuidanceHooks {
    /** Call from chat.message to inject the RTK instruction once per session. */
    onMessage: (input: {
        sessionID: string;
        messageID?: string;
        agent?: string;
    }, output: {
        parts: Array<Record<string, unknown>>;
    }) => void;
}
export declare function createRtkGuidanceHooks(logger: Logger, config: PluginConfig): RtkGuidanceHooks;
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