/**
 * execute-slash-command handler — re-routes through delegation pipeline.
 *
 * Per SPEC restriction, the sidecar only allows `action: "discover"`
 * for command engine; execution actions are routed to DelegationManager
 * rather than calling client.session.prompt directly (re-entrancy hazard).
 *
 * @module sidecar/server/tool-proxy/handlers/execute-slash-command
 */
import type { SidecarDependencyRegistry } from "../../registry.js";
export interface ExecuteSlashCommandArgs {
    command?: string;
    arguments?: string;
    agent?: string;
    subtask?: boolean;
    sessionId?: string;
}
/**
 * Handle an execute-slash-command tool call.
 *
 * @param options.args - Command execution args.
 * @param options.registry - Sidecar dependency registry.
 * @returns Ok with command output or INVALID_ARGS error.
 */
export declare function handleExecuteSlashCommand(options: {
    args: ExecuteSlashCommandArgs;
    registry: SidecarDependencyRegistry;
}): Promise<{
    ok: false;
    error: {
        code: string;
        message: string;
    };
    data?: undefined;
} | {
    ok: true;
    data: {
        output: string;
    };
    error?: undefined;
}>;
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