feat(ios): refine native ui controls

apps/ios/Sources/MultiSimAdmin/Features/Messages/SendMessageFormView.swift

@@ -7,6 +7,18 @@ struct SendMessageFormView: View {
     @State private var content = ""
     @State private var validationMessage: String?
 
+    private var trimmedPhoneNumber: String {
+        phoneNumber.trimmingCharacters(in: .whitespacesAndNewlines)
+    }
+
+    private var trimmedContent: String {
+        content.trimmingCharacters(in: .whitespacesAndNewlines)
+    }
+
+    private var canSend: Bool {
+        !trimmedPhoneNumber.isEmpty && !trimmedContent.isEmpty
+    }
+
     var body: some View {
         NavigationStack {
             ZStack {
@@ -26,16 +38,19 @@ struct SendMessageFormView: View {
                                 .pickerStyle(.menu)
 
                                 TextField("收件号码", text: $phoneNumber)
+                                    .textFieldStyle(AIFieldStyle())
+
+                                TextField("消息内容", text: $content, axis: .vertical)
+                                    .textFieldStyle(.plain)
                                     .padding(.horizontal, 12)
                                     .frame(minHeight: AITheme.buttonHeight)
                                     .background(AITheme.canvas)
                                     .clipShape(RoundedRectangle(cornerRadius: AITheme.buttonRadius))
-
-                                TextField("消息内容", text: $content, axis: .vertical)
+                                    .overlay {
+                                        RoundedRectangle(cornerRadius: AITheme.buttonRadius)
+                                            .strokeBorder(AITheme.line)
+                                    }
                                     .lineLimit(4...8)
-                                    .padding(12)
-                                    .background(AITheme.canvas)
-                                    .clipShape(RoundedRectangle(cornerRadius: AITheme.buttonRadius))
                             }
                         }
                         if let validationMessage {
@@ -57,6 +72,7 @@ struct SendMessageFormView: View {
                 ToolbarItem(placement: .confirmationAction) {
                     Button("发送") { send() }
                         .buttonStyle(AIButtonStyle(kind: .primary, size: .regular))
+                        .disabled(!canSend)
                 }
             }
         }
@@ -65,7 +81,7 @@ struct SendMessageFormView: View {
     private func send() {
         Task {
             do {
-                try await model.send(phoneNumber: phoneNumber, content: content)
+                try await model.send(phoneNumber: trimmedPhoneNumber, content: trimmedContent)
                 phoneNumber = ""
                 content = ""
                 validationMessage = nil