docs(wiki): 多主题系统文档更新 + .gitignore 清理

- frontend.md: 4 套主题视觉人格 + 技术架构 + 温润东方详细 token
- index.md: 症状导航更新
- miniprogram.md: 小程序审计报告
- .gitignore: 排除 .logs/ plans/ playwright-report/ 临时文件

.gitignore

@@ -35,3 +35,32 @@ docs/debug-*.png
 # Development env
 .env.development
 docker/docker-compose.override.yml
+.agents/skills/
+.claude/skills/
+.kiro/skills/
+.trae/skills/
+.windsurf/skills/
+skills/
+
+# Logs
+.logs/
+*.log
+
+# Playwright reports
+**/playwright-report/
+
+# Plans
+plans/
+
+# MCP config
+.mcp.json
+
+# Superpowers temp
+.superpowers/brainstorm/
+
+# Test temp files
+.test_token*
+chi_sim.traineddata
+
+# Local settings
+.claude/settings.local.json