/** * PromptBuilder:system prompt 构建(对标 wave-agent prompts/)。 * 从 blocks 构建 system prompt,支持 static/dynamic 分块(cacheable 标记)。 */ export interface PromptBlock { text: string; cacheable: boolean; } export declare class PromptBuilder { private blocks; addBlock(block: PromptBlock): void; getBlocks(): PromptBlock[]; build(): string; clear(): void; }