/**
 * Message widget renderer.
 * Spec: §4.10 — Widget
 */
import type { Labels } from "@pi-orca/core";
export interface MessageWidgetItem {
    id: string;
    title: string;
    from: string;
    sentAt: string;
    labels: Labels;
    isNew: boolean;
}
/**
 * Render message lines for a given width.
 *
 * @param items - Message items to render
 * @param width - Terminal width
 * @returns Array of rendered lines
 */
export declare function renderMessageLines(items: MessageWidgetItem[], width: number): string[];
type WidgetComponent = {
    render(width: number): string[];
    invalidate(): void;
};
type WidgetFactory = (_tui: any, _theme: any) => WidgetComponent;
/**
 * Create a component factory for the message widget.
 *
 * Pass the active `sessionId` so the widget can fetch the correct inbox; the
 * caller usually has it from `bindSession(ctx)` at `session_start`.
 *
 * @param sessionId - Session ID to peek inbox for (required to fetch messages)
 * @param projectSlug - Optional project slug
 * @param preloaded - Optional preloaded items (avoids first-render flash)
 * @returns Widget factory for ctx.ui.setWidget()
 */
export declare function createMessageWidgetFactory(sessionId?: string, projectSlug?: string, preloaded?: MessageWidgetItem[]): WidgetFactory;
export {};
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