/**
 * Radial-hub renderer (hub + spokes at 8 compass positions).
 *
 * Layout (matches lumen-diagram/templates/radial-hub.html convention):
 *   - container square (1:1)
 *   - hub at (50, 50), default pill shape
 *   - 8 fixed compass slots — caller picks any subset, no duplicates
 *   - edges hub ↔ spoke; angle-based endpoint computation insets the
 *     arrows from card edges so arrowheads stay visible
 *
 * Default semantic: "control" (cyan/accent — invocation pattern).
 * Default direction: "both" (typical agent ↔ tool call/return).
 */
import type { RadialHubContent } from "./schemas.js";
export interface RadialHubRenderInput {
    title: string;
    subtitle?: string;
    content: RadialHubContent;
}
export declare function renderRadialHubBody({ title, content }: RadialHubRenderInput): {
    bodyHtml: string;
    topologyCss: string;
};
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