feat: Add claude-md-progressive-disclosurer skill

- Add skill for optimizing user CLAUDE.md files
- Apply progressive disclosure principles to reduce context overhead
- Include workflow for auditing, classifying, and refactoring sections
- Add reference doc for token economics and best practices
- Update marketplace to v1.15.0

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude-plugin/marketplace.json

@@ -5,8 +5,8 @@
     "email": "daymadev89@gmail.com"
   },
   "metadata": {
-    "description": "Professional Claude Code skills for GitHub operations, document conversion, diagram generation, statusline customization, Teams communication, repomix utilities, skill creation, CLI demo generation, LLM icon access, Cloudflare troubleshooting, UI design system extraction, professional presentation creation, YouTube video downloading, secure repomix packaging, ASR transcription correction, video comparison quality analysis, comprehensive QA testing infrastructure, prompt optimization with EARS methodology, session history recovery, documentation cleanup, and PDF generation with Chinese font support",
-    "version": "1.14.0",
+    "description": "Professional Claude Code skills for GitHub operations, document conversion, diagram generation, statusline customization, Teams communication, repomix utilities, skill creation, CLI demo generation, LLM icon access, Cloudflare troubleshooting, UI design system extraction, professional presentation creation, YouTube video downloading, secure repomix packaging, ASR transcription correction, video comparison quality analysis, comprehensive QA testing infrastructure, prompt optimization with EARS methodology, session history recovery, documentation cleanup, PDF generation with Chinese font support, and CLAUDE.md progressive disclosure optimization",
+    "version": "1.15.0",
     "homepage": "https://github.com/daymade/claude-code-skills"
   },
   "plugins": [
@@ -219,6 +219,16 @@
       "category": "document-conversion",
       "keywords": ["pdf", "markdown", "weasyprint", "chinese-fonts", "document-generation", "legal", "reports", "typography"],
       "skills": ["./pdf-creator"]
+    },
+    {
+      "name": "claude-md-progressive-disclosurer",
+      "description": "Optimize user CLAUDE.md files by applying progressive disclosure principles. This skill should be used when users want to reduce CLAUDE.md bloat, move detailed content to references, extract reusable patterns into skills, or improve context efficiency. Triggers include optimize CLAUDE.md, reduce CLAUDE.md size, apply progressive disclosure, or complaints about CLAUDE.md being too long",
+      "source": "./",
+      "strict": false,
+      "version": "1.0.0",
+      "category": "productivity",
+      "keywords": ["claude-md", "progressive-disclosure", "optimization", "context-efficiency", "configuration", "token-savings"],
+      "skills": ["./claude-md-progressive-disclosurer"]
     }
   ]
 }