Merge nucleic/upbeat-drift-newt into dev

Sources/NucleicApp/RootView.swift

@@ -150,6 +150,27 @@ struct RootView: View {
                 .frame(maxWidth: .infinity, maxHeight: .infinity)
             }
             .background(AppTheme.background)
+            // Transient error bubble (e.g. "Autoship failed: …"). Scoped to the detail
+            // pane so it centers over the chat interface, not the full window width.
+            .overlay(alignment: .bottom) {
+                if let error = store.lastError {
+                    Text(error)
+                        .font(.caption).padding(8)
+                        .background(.red.opacity(0.85), in: .rect(cornerRadius: 8))
+                        .foregroundStyle(.white).padding()
+                        // Click anywhere on the bubble to dismiss it immediately…
+                        .onTapGesture { store.lastError = nil }
+                        .help("Click to dismiss")
+                        // …and auto-dismiss after a few seconds so it never sticks. The
+                        // task is keyed on the message so a new error restarts the timer.
+                        .task(id: error) {
+                            try? await Task.sleep(for: .seconds(6))
+                            if store.lastError == error { store.lastError = nil }
+                        }
+                        .transition(.opacity)
+                }
+            }
+            .animation(.default, value: store.lastError)
             .navigationTitle(windowTitle)
         }
         .preferredColorScheme(appearance.colorScheme)
@@ -198,25 +219,6 @@ struct RootView: View {
         } message: {
             Text("Removes the project and all its chats, worktrees, and branches. Your repository itself is not affected.")
         }
-        .overlay(alignment: .bottom) {
-            if let error = store.lastError {
-                Text(error)
-                    .font(.caption).padding(8)
-                    .background(.red.opacity(0.85), in: .rect(cornerRadius: 8))
-                    .foregroundStyle(.white).padding()
-                    // Click anywhere on the bubble to dismiss it immediately…
-                    .onTapGesture { store.lastError = nil }
-                    .help("Click to dismiss")
-                    // …and auto-dismiss after a few seconds so it never sticks. The
-                    // task is keyed on the message so a new error restarts the timer.
-                    .task(id: error) {
-                        try? await Task.sleep(for: .seconds(6))
-                        if store.lastError == error { store.lastError = nil }
-                    }
-                    .transition(.opacity)
-            }
-        }
-        .animation(.default, value: store.lastError)
     }
 
     /// Toggle the sidebar through the AppKit split-view item we own (see