docs: highlight MIT relicensing in README hero and License section

Add a callout right under the install command and rewrite the License section so the switch from Personal Use License → MIT is immediately visible.

README.md

@@ -27,6 +27,8 @@ Not "decent for AI" quality — it looks like a real design team made it. Give t
 npx skills add alchaincyf/huashu-design
 ```
 
+> 📣 **Now MIT-licensed.** As of 2026-05-14 this skill is fully open-source under the [MIT License](LICENSE) — free for personal **and** commercial use, no authorization required. ([what changed](#license))
+
 [See it work](#demo-gallery) · [Install](#install) · [What it does](#what-it-does) · [How it works](#core-mechanics) · [vs. Claude Design](#vs-claude-design)
 
 > 📖 **Note for English readers**: this skill is built by a Chinese-speaking developer. The skill's agent prompts (`SKILL.md`, `references/*.md`) are in Chinese but the agent is bilingual — works fine with English tasks. The demos below are the English parallel versions; the Chinese ones are in the default-named files (see the [Chinese README](README.zh.md)).
@@ -284,7 +286,9 @@ Thanks to Anthropic for writing the Claude Design prompts so clearly. This kind
 
 ## License
 
-[MIT License](LICENSE) — free to use, modify, and distribute for any purpose, including commercial use. Attribution appreciated but not required.
+**Relicensed to MIT on 2026-05-14.** This skill was previously released under a Personal Use License that restricted commercial use. That restriction is now removed.
+
+Under the [MIT License](LICENSE) you are free to **use, modify, and distribute** this skill for any purpose, **including commercial use** — inside companies, in client deliverables, as part of a paid product, anywhere. No prior authorization, no licensing fee, no notification required. Attribution is appreciated but not required.
 
 ---
 

README.zh.md

@@ -29,6 +29,8 @@ npx skills add alchaincyf/huashu-design
 
 跨 agent 通用——Claude Code、Cursor、Codex、OpenClaw、Hermes 都能装。
 
+> 📣 **已改为 MIT 协议。** 自 2026-05-14 起本 skill 完全开源（[MIT License](LICENSE)），个人和**商用都免费**，无需事先授权。原「个人使用免费、企业商用需授权」的条款已作废。([查看变更](#license))
+
 [看效果](#demo-画廊) · [安装](#装上就能用) · [能做什么](#能做什么) · [核心机制](#核心机制) · [和 Claude Design 的关系](#和-claude-design-的关系)
 
 </div>
@@ -296,7 +298,9 @@ Anthropic 发布 Claude Design 那天我玩到凌晨四点。几天之后发现
 
 ## License
 
-[MIT License](LICENSE)——免费使用、修改、分发，包括商业用途。注明出处不强制，但欢迎。
+**2026-05-14 起改为 MIT 协议。** 此前版本采用「个人使用免费、企业商用需授权」的 Personal Use License，对商用做了限制——现在这层限制完全解除。
+
+按 [MIT License](LICENSE)，你可以**自由使用、修改、分发**本 skill，**包括商业用途**——公司内部用、客户商单交付、做成付费产品对外卖，都没问题。无需事先授权、无需付费、无需打招呼。注明出处不强制，但欢迎。
 
 ---