export declare function hasUserMentionTags(content: string): boolean;
/**
 * Replaces `<*_mention name="...">...</...>` tags in already HTML-escaped user
 * content with display pills, hiding the agent-facing instruction body. Known
 * categories keep their icon and color; any other mention renders as a neutral
 * pill, so host-defined mentions (e.g. template_mention) degrade gracefully.
 */
export declare function renderEscapedUserMentions(escaped: string): string;