/**
 * markdown block for the RD/UI sub-agent dispatch system prompt, and the
 * dispatch-site convenience wrapper that computes it from a project root.
 *
 * Kept in its own small module so the block rendering does NOT grow
 * `project-standards-service.ts` past the 800-line cap (the slice only
 * surfaces the existing standards rule in a second surface — it does not
 * add to the standards service itself).
 */
import { type ProjectContext } from './project-context.js';
/**
 * Render the block. The library-first directive reuses
 * `renderUiLibraryPriorityRule` (the single source of truth for that prose —
 * no second copy to drift). Returns `null` when the project has no detected
 * component library (or a library the rule does not cover), so the dispatch
 * prompt degrades byte-identically to the legacy shape (no empty or dangling
 * "Project stack" heading).
 */
export declare function renderUiLibraryPriorityDispatchBlock(ctx: ProjectContext): string | null;
/**
 * Dispatch-site convenience wrapper: detect the project context and render
 * the block. Fail-soft — any detection error degrades to `null` (no block)
 * so a bad package.json or unreadable source sample never hard-blocks the
 * dispatch.
 */
export declare function computeUiLibraryDispatchBlock(projectRoot: string): string | null;