Merge pull request #45 from mcintyre94/confirm-stream-stop-action-495031f2

Add confirmation dialog before stopping Claude stream

Author: mcintyre94

Wisp/ViewModels/ChatViewModel.swift

@@ -541,6 +541,11 @@ final class ChatViewModel {
     func interrupt(apiClient: SpritesAPIClient? = nil, modelContext: ModelContext? = nil) {
         detach(modelContext: modelContext)
 
+        // Interrupted sessions are not cleanly resumable, so clear the session ID
+        // to avoid a spurious "Session expired" message on the next send
+        sessionId = nil
+        if let modelContext { saveSession(modelContext: modelContext) }
+
         // Delete the service to stop it
         if let apiClient {
             let sName = spriteName

Wisp/Views/SpriteDetail/Chat/ChatInputBar.swift

@@ -15,6 +15,8 @@ struct ChatInputBar: View {
     var lastUploadedFileName: String? = nil
     var isFocused: FocusState<Bool>.Binding
 
+    @State private var showStopConfirmation = false
+
     private var isEmpty: Bool {
         text.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty && attachedFiles.isEmpty
     }
@@ -65,12 +67,20 @@ struct ChatInputBar: View {
                     .disabled(hasQueuedMessage)
 
                 if isStreaming {
-                    Button(action: onInterrupt) {
+                    Button {
+                        showStopConfirmation = true
+                    } label: {
                         Image(systemName: "stop.circle.fill")
                             .font(.title2)
                     }
                     .tint(.red)
                     .buttonStyle(.glass)
+                    .confirmationDialog("Stop Claude?", isPresented: $showStopConfirmation) {
+                        Button("Stop", role: .destructive, action: onInterrupt)
+                        Button("Cancel", role: .cancel) {}
+                    } message: {
+                        Text("This will interrupt the current response.")
+                    }
                 }
 
                 Button {
@@ -100,3 +110,27 @@ struct ChatInputBar: View {
         #endif
     }
 }
+
+#Preview("Idle") {
+    @Previewable @State var text = ""
+    @Previewable @FocusState var isFocused: Bool
+    ChatInputBar(
+        text: $text,
+        isStreaming: false,
+        onSend: {},
+        onInterrupt: {},
+        isFocused: $isFocused
+    )
+}
+
+#Preview("Streaming") {
+    @Previewable @State var text = ""
+    @Previewable @FocusState var isFocused: Bool
+    ChatInputBar(
+        text: $text,
+        isStreaming: true,
+        onSend: {},
+        onInterrupt: {},
+        isFocused: $isFocused
+    )
+}