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/Sources/MultiSimAdmin/Features/Fleet/InstanceFormView.swift

@@ -6,7 +6,8 @@ struct InstanceFormView: View {
   let instance: Instance?
   @State private var name = ""
   @State private var originText = ""
-  @State private var tagsText = ""
+  @State private var tags: [String] = []
+  @State private var tagDraft = ""
   @State private var password = ""
   @State private var selectedGroupId: UUID?
   @State private var validationMessage: String?
@@ -17,7 +18,7 @@ struct InstanceFormView: View {
     self.instance = instance
     _name = State(initialValue: instance?.name ?? "")
     _originText = State(initialValue: instance?.origin.absoluteString ?? "")
-    _tagsText = State(initialValue: instance?.tags.joined(separator: ", ") ?? "")
+    _tags = State(initialValue: instance?.tags ?? [])
     _selectedGroupId = State(initialValue: instance?.groupId)
   }
 
@@ -34,12 +35,12 @@ struct InstanceFormView: View {
             VStack(alignment: .leading, spacing: 14) {
               field("名称", text: $name, placeholder: "Home Node")
               field("地址", text: $originText, placeholder: "http://192.168.1.10:3000")
-              field("标签", text: $tagsText, placeholder: "home, primary")
+              tagEditor
               groupPicker
               field(
                 "实例密码",
                 text: $password,
-                placeholder: instance == nil ? "可选，保存在本机沙盒" : "留空则不修改密码",
+                placeholder: instance == nil ? "可选，仅保存在本机" : "留空则不修改密码",
                 secure: true
               )
             }
@@ -104,6 +105,14 @@ struct InstanceFormView: View {
     .accessibilityElement(children: .contain)
   }
 
+  private var tagEditor: some View {
+    VStack(alignment: .leading, spacing: 6) {
+      AIFieldLabel("标签")
+      TagEditorView(tags: $tags, suggestions: model.allTags)
+    }
+    .accessibilityElement(children: .contain)
+  }
+
   private func field(
     _ title: String,
     text: Binding<String>,
@@ -121,12 +130,12 @@ struct InstanceFormView: View {
         TextField(placeholder, text: text)
           .textFieldStyle(AIFieldStyle())
           .accessibilityLabel(title)
-          .submitLabel(title == "地址" ? .next : .done)
+          .submitLabel(.done)
           #if os(iOS)
             .keyboardType(title == "地址" ? .URL : .default)
-            .textInputAutocapitalization(title == "地址" || title == "标签" ? .never : nil)
+            .textInputAutocapitalization(.never)
           #endif
-          .autocorrectionDisabled(title == "地址" || title == "标签")
+          .autocorrectionDisabled()
       }
     }
   }
@@ -143,11 +152,6 @@ struct InstanceFormView: View {
       isSaving = false
       return
     }
-    let tags =
-      tagsText
-      .split(separator: ",")
-      .map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
-      .filter { !$0.isEmpty }
     let input = InstanceInput(
       name: normalizedName,
       origin: origin,