import type { Annotation } from "@vincentt-xr/harness/events";
export interface Injector {
    /** Stable id for config/logging: "claude-code" | "paste" | … */
    readonly name: string;
    /** Cheap best-effort readiness probe. The dispatcher skips unavailable injectors. */
    isAvailable(): Promise<boolean>;
    /**
     * Deliver so the agent acts with zero user action. Resolves when the host
     * accepted the injection (not when the agent finishes). Throws if it couldn't —
     * the dispatcher falls through to the next injector (paste never throws).
     */
    inject(a: Annotation): Promise<void>;
}
export interface Dispatcher {
    dispatch(a: Annotation): Promise<string>;
}
/** Walk the injector chain; first available that accepts wins, else fall through. */
export declare function createDispatcher(injectors: Injector[], onLog?: (msg: string) => void): Dispatcher;
/**
 * Claude Code passive injector: append the annotation to a queue a running `/loop`
 * drains. Available only when the queue dir exists (the loop has been set up), so a
 * project with no loop configured falls through to the fallback.
 */
export declare function claudeCodeInjector(queuePath: string): Injector;
/**
 * Universal never-fail fallback. When no zero-action injector accepted the
 * annotation, stage a ready prompt so the worst case is a single paste.
 */
export declare function pasteInjector(onReady: (prompt: string) => void): Injector;