Add preview controls and settings UI tweaks

Introduce GridPreviewControl and CornerRadiusPreviewControl for visual previews and wire them into the Components settings (add ScreenAspectRatio, CornerRadiusPreviewValue, and screen aspect init). Refactor ComponentsSettingsPage UI to show live previews. Improve DataSettingsPage layout and storage bar logic (use item percentages directly, include remaining segment, adjust visuals and visibility triggers). Simplify LauncherSettingsPage header/appearance layout. Add SECURITY_AUDIT_REPORT.md, analysis summary, mockup HTML, and a local .claude settings file.

docs/auto_commit_md/20260511_SUMMARY.md

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+# Git 提交分析报告 - 2026-05-11
+
+## 摘要
+
+**日期**: 2026-05-11  
+**新提交数量**: 0  
+**状态**: ⚠️ 无新提交
+
+---
+
+## 详细说明
+
+今天（2026-05-11）没有新的 Git 提交记录。
+
+### 最近一次提交信息
+
+- **提交哈希**: `d8f75e86be9054b29303dec01ec434ccb4db2b7f`
+- **作者**: lincube <lincube3@hotmail.com>
+- **提交时间**: 2026-05-07 21:39:21 +0800
+- **提交信息**: Add IPC backoff/retries and safer disposal
+
+### 仓库状态
+
+当前分支：`setting`  
+分支状态：与 `origin/setting` 保持同步
+
+### 待提交更改
+
+当前工作目录中存在以下未提交的更改：
+
+**已修改文件**:
+- LanMountainDesktop/ViewModels/SettingsViewModels.cs
+- LanMountainDesktop/Views/SettingsPages/ComponentsSettingsPage.axaml
+- LanMountainDesktop/Views/SettingsPages/ComponentsSettingsPage.axaml.cs
+- LanMountainDesktop/Views/SettingsPages/DataSettingsPage.axaml
+- LanMountainDesktop/Views/SettingsPages/DataSettingsPage.axaml.cs
+- LanMountainDesktop/Views/SettingsPages/LauncherSettingsPage.axaml
+
+**未跟踪文件**:
+- LanMountainDesktop/Controls/CornerRadiusPreviewControl.cs
+- LanMountainDesktop/Controls/GridPreviewControl.cs
+- SECURITY_AUDIT_REPORT.md
+- mockup-noise-level.html
+
+---
+
+## 下一步建议
+
+1. 如果有未提交的更改，请先提交
+2. 推送更改到远程仓库
+3. 明天再次运行此分析脚本
+
+## 报告生成信息
+
+- **生成时间**: 2026-05-11
+- **分析工具**: Git Commit Analyzer
+- **输出目录**: docs/auto_commit_md/