chore: 清理仓库，移除无用文件

- 更新.gitignore文件
- 移除所有.md文档文件（保留README.md和charts README）
- 移除报告和文档文件
- 优化仓库结构，只保留源代码

Co-Authored-By: Claude Sonnet <claude@anthropic.com>

.gitignore

@@ -26,10 +26,30 @@ dist-ssr
 # Environment variables
 .env
 .env.local
-.env.production.local
 .env.development.local
 .env.test.local
+.env.production.local
 
 # Testing
 coverage
-.nyc_output
+.nyc_output/
+
+# Documentation
+*.md
+docs/
+PHASE*.md
+DELIVERY*.md
+SUMMARY*.md
+!README.md
+!src/components/charts/README.md
+
+# Temporary files
+*.tmp
+*.temp
+*.bak
+*.backup
+
+# Lock files
+package-lock.json
+yarn.lock
+pnpm-lock.yaml