init: huashu-design skill v1.0

花叔设计工作台 —— AI 驱动的 HTML 设计工作流，支持 Claude Code / Codex /
Cursor / Trae / OpenClaw / Hermes Agent 等任意 skill-compatible agent。

四条主干能力：
- HTML 高保真视觉产出（原型/App/幻灯片/动画/变体/信息图）
- 设计方向顾问 Fallback（5 流派 × 20 设计哲学 × 24 预制 showcase）
- Junior Designer 工作流（先 show 假设再迭代）
- 专家级 5 维度评审（哲学/层级/执行/功能/创新）

工程工具链：
- HTML → 25fps/60fps MP4 + palette GIF，含 6 首场景化 BGM
- HTML → PDF / PPTX 导出
- Playwright 截图 + 控制台错误验证
- iOS/Android/macOS/Browser 设备边框 + Stage/Sprite 动画引擎

初版包含 SKILL.md + 13 份 references + 7 个 scripts + 18 类 assets。

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

LICENSE

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+MIT License
+
+Copyright (c) 2026 alchaincyf (花叔)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.