初始化项目版本

.agents/skills/enhance-prompt/README.md

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+# Stitch Enhance Prompt Skill
+
+## Install
+
+```bash
+npx skills add google-labs-code/stitch-skills --skill enhance-prompt --global
+```
+
+## Example Prompt
+
+```text
+Enhance my prompt "make me a login page" for better Stitch generation results.
+```
+
+## Skill Structure
+
+This repository follows the **Agent Skills** open standard. Each skill is self-contained with its own logic, workflow, and reference materials.
+
+```text
+enhance-prompt/
+├── SKILL.md           — Core instructions & workflow
+├── references/        — UI/UX vocabulary and adjective palettes
+└── README.md          — This file
+```
+
+## How it Works
+
+When activated, the agent follows a prompt enhancement pipeline:
+
+1. **Assessment**: Evaluates the input for missing elements (platform, structure, visual style, colors).
+2. **DESIGN.md Check**: Looks for an existing design system to inject; recommends creating one if missing.
+3. **Enhancement**: Applies UI/UX keywords, vibe adjectives, and structured page sections.
+4. **Formatting**: Outputs a Stitch-optimized prompt with design system block and numbered structure.
+5. **Delivery**: Returns enhanced text for user review, with optional file output.