feat(ios): refine adaptive theme and unified controls

apps/ios/Sources/MultiSimAdmin/Features/Device/InstanceDetailView.swift

@@ -38,29 +38,21 @@ struct InstanceDetailView: View {
     private var header: some View {
         AICard {
             VStack(alignment: .leading, spacing: 12) {
-                AISectionTitle("设备详情", systemImage: "iphone.gen3")
-                Button {
+                AISectionTitle(
+                    "设备详情",
+                    systemImage: "iphone.gen3",
+                    actionTitle: revealsSensitive ? "隐藏敏感值" : "显示敏感值",
+                    actionSystemImage: revealsSensitive ? "eye.slash" : "eye"
+                ) {
                     revealsSensitive.toggle()
-                } label: {
-                    Label(
-                        revealsSensitive ? "隐藏敏感值" : "显示敏感值",
-                        systemImage: revealsSensitive ? "eye.slash" : "eye"
-                    )
                 }
-                .buttonStyle(
-                    AIButtonStyle(
-                        kind: .secondary,
-                        size: .compact,
-                        fixedWidth: AITheme.footerSecondaryButtonWidth
-                    )
-                )
                 Text(model.instance.origin.absoluteString)
                     .font(.subheadline)
                     .foregroundStyle(AITheme.muted)
                     .lineLimit(2)
                     .truncationMode(.middle)
                 if model.isLoading {
-                    Text("正在读取设备能力…")
+                    Text("正在读取设备详情…")
                         .font(.subheadline)
                         .foregroundStyle(AITheme.muted)
                 }