chore: 恢复旧布局基线（迁移改动丢失后重建，apps/packages 布局暂存）

src-tauri/icons/options/cylinder.svg

@@ -0,0 +1,10 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512">
+  <rect width="512" height="512" rx="112" fill="#0B182C"/>
+  <ellipse cx="256" cy="156" rx="128" ry="40" fill="#60A5FA"/>
+  <path d="M128 156v64c0 22 57 40 128 40s128-18 128-40v-64" fill="#3B82F6"/>
+  <ellipse cx="256" cy="220" rx="128" ry="40" fill="#93C5FD"/>
+  <path d="M128 220v64c0 22 57 40 128 40s128-18 128-40v-64" fill="#3B82F6"/>
+  <ellipse cx="256" cy="284" rx="128" ry="40" fill="#BFDBFE"/>
+  <path d="M128 284v88c0 22 57 40 128 40s128-18 128-40v-88" fill="#2563EB"/>
+  <ellipse cx="256" cy="372" rx="128" ry="40" fill="#3B82F6"/>
+</svg>