/**
 * Block Kit control panel for the bare `/pi` command.
 *
 * Pure block builders — no I/O — so the layout is unit-testable. The slash
 * command and the block-action handlers in commands.ts assemble PanelState,
 * render it here, and post it ephemerally via response_url.
 */
import type { KnownBlock } from '@slack/types';
import { type ThinkingLevel } from '../types.js';
export declare const PANEL_ACTIONS: {
    readonly model: "pi_panel_model";
    readonly thinking: "pi_panel_thinking";
    readonly newSession: "pi_panel_new";
    readonly stop: "pi_panel_stop";
    readonly refresh: "pi_panel_refresh";
};
export interface PanelModelOption {
    ref: string;
    label: string;
}
export interface PanelState {
    channelName: string;
    model: string;
    thinking: string;
    workingDir: string;
    session: string;
    tokens: string;
    context: string;
    processing: boolean;
    models: PanelModelOption[];
    /** Effective model ref, used to preselect the model dropdown ('' = unknown) */
    currentModelRef: string;
    /** Explicit thinking override, used to preselect the dropdown ('' = none) */
    currentThinking: ThinkingLevel | '';
    /** One-line result of the action that triggered this re-render */
    notice?: string;
}
export declare function buildPanelBlocks(state: PanelState): KnownBlock[];