release(ios): 发布 0.2.1 并重构图标与界面细节

- 应用图标改用与 Web favicon 同源的扁平标记，金色 SIM 卡体加三格递增信号，29pt 下仍可读
- 标签统一为胶囊形状，提高深色主题下的描边权重，避免标签在暗色下消失
- 消息卡片与详情分区卡片收紧行距，单屏信息密度明显提升
- 详情头部指标精简为 4 行，数据模块改为单条读数
- 批量选择勾选框移出名称区域，工具栏控件统一为等高 34pt
- 分组编辑器改为点选即生效，移除说明文字与常驻禁用按钮

apps/ios/Design/AppIcon.svg

@@ -1,26 +1,44 @@
+<!-- 设计参考稿，构图与 Design/generate_app_icon.swift 一致；构建实际用 Swift 脚本光栅化 1024 PNG。 -->
 <svg xmlns="http://www.w3.org/2000/svg" width="1024" height="1024" viewBox="0 0 1024 1024">
   <defs>
-    <linearGradient id="gold" x1="0.18" y1="0.04" x2="0.82" y2="0.96">
-      <stop offset="0" stop-color="#FFE9B0"/>
-      <stop offset="0.24" stop-color="#F4C767"/>
-      <stop offset="0.68" stop-color="#DA9F45"/>
-      <stop offset="1" stop-color="#B77B2D"/>
+    <linearGradient id="field" x1="0.10" y1="0" x2="0.92" y2="1">
+      <stop offset="0" stop-color="#1C4280"/>
+      <stop offset="0.46" stop-color="#0D2450"/>
+      <stop offset="1" stop-color="#040B1B"/>
     </linearGradient>
-    <linearGradient id="sheen" x1="0.18" y1="0" x2="0.82" y2="0.88">
-      <stop offset="0" stop-color="#FFFFFF" stop-opacity="0.24"/>
-      <stop offset="0.52" stop-color="#FFFFFF" stop-opacity="0.04"/>
-      <stop offset="1" stop-color="#FFFFFF" stop-opacity="0"/>
+    <radialGradient id="key" cx="0.26" cy="-0.04" r="0.92">
+      <stop offset="0" stop-color="#96C4FF" stop-opacity="0.25"/>
+      <stop offset="0.55" stop-color="#70A2E6" stop-opacity="0.08"/>
+      <stop offset="1" stop-color="#70A2E6" stop-opacity="0"/>
+    </radialGradient>
+    <radialGradient id="vig" cx="0.5" cy="0.52" r="0.78">
+      <stop offset="0.55" stop-color="#020712" stop-opacity="0"/>
+      <stop offset="1" stop-color="#020712" stop-opacity="0.59"/>
+    </radialGradient>
+    <linearGradient id="gold" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0" stop-color="#FFF4CD"/>
+      <stop offset="0.30" stop-color="#FACE6A"/>
+      <stop offset="0.62" stop-color="#D69628"/>
+      <stop offset="1" stop-color="#925C10"/>
     </linearGradient>
-    <linearGradient id="bar" x1="0" y1="0" x2="0" y2="1">
-      <stop offset="0" stop-color="#2A2F37"/>
-      <stop offset="1" stop-color="#111419"/>
+    <linearGradient id="slot" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0" stop-color="#050D1E"/>
+      <stop offset="0.58" stop-color="#091732"/>
+      <stop offset="1" stop-color="#112649"/>
     </linearGradient>
   </defs>
-  <rect width="1024" height="1024" fill="url(#gold)"/>
-  <rect width="1024" height="1024" fill="url(#sheen)"/>
-  <g fill="url(#bar)">
-    <rect x="317" y="602" width="108" height="188" rx="54"/>
-    <rect x="458" y="475" width="108" height="315" rx="54"/>
-    <rect x="599" y="348" width="108" height="442" rx="54"/>
-  </g>
+
+  <rect width="1024" height="1024" fill="url(#field)"/>
+  <rect width="1024" height="1024" fill="url(#key)"/>
+  <rect width="1024" height="1024" fill="url(#vig)"/>
+
+  <!-- SIM 卡体：左上切角，其余三角大圆角 -->
+  <path d="M494.5,218 L688,218 Q822,218 822,352 L822,704 Q822,838 688,838 L336,838
+           Q202,838 202,704 L202,510.5 Q202,420 266,356 L340,282 Q404,218 494.5,218 Z"
+        fill="url(#gold)"/>
+
+  <!-- 三格信号：底边对齐，右高，读作多卡队列健康度 -->
+  <rect x="318" y="546" width="88" height="142" rx="26" fill="url(#slot)"/>
+  <rect x="468" y="446" width="88" height="242" rx="26" fill="url(#slot)"/>
+  <rect x="618" y="346" width="88" height="342" rx="26" fill="url(#slot)"/>
 </svg>