离线提示词打包器

把基于 prompts/ 主源的 skill 打包成断网单机可用的离线提示词包。Use when the user wants to export/package offline prompts for disconnected hosts (WebUI、Qwen、AnythingLLM、Claude.ai), generate self-contained system_prompt / user_prompt bundles, or build a per-文种 prompt.