Bottom Tab Bar Visibility Adjustment

Nucleic-Session: 747527BF-AEE9-4939-BE70-A14F1F3BBBA8
Co-authored-by: Nucleic <[email protected]>

NucleicRemote/NucleicRemote/Views/SessionsView.swift

@@ -85,53 +85,13 @@ struct SessionsView: View {
                     }
                 }
             }
-            // A floating "new chat" affordance in the lower-right, mirroring the Mac's per-project
-            // "New chat" button. Picks a project + prompt in a sheet, then kicks off the chat.
-            .overlay(alignment: .bottomTrailing) {
-                if canStartChat { newChatButton }
-            }
-            .sheet(isPresented: $showNewChat) {
-                NavigationStack {
-                    ScrollView {
-                        StartChatComposer(onStart: { showNewChat = false })
-                            .padding()
-                    }
-                    .navigationTitle("New chat")
-                    .navigationBarTitleDisplayMode(.inline)
-                    .toolbar {
-                        ToolbarItem(placement: .topBarLeading) {
-                            Button("Cancel") { showNewChat = false }
-                        }
-                    }
-                }
-                // The composer needs only a fraction of the screen — a compact height by default,
-                // still expandable if the advanced options are opened.
-                .presentationDetents([.height(360), .large])
-                .presentationDragIndicator(.visible)
-            }
             .safeAreaInset(edge: .bottom) { ConnectionChip().padding(.bottom, 8) }
+            // A floating "new chat" affordance in the lower-right, mirroring the Mac's per-project
+            // "New chat" button. Picks a project + prompt in a glass sheet, then kicks off the chat.
+            .newChatAffordance(isPresented: $showNewChat)
         }
     }
 
-    /// The circular plus button, on Liquid Glass rather than a solid teal disc — an accent-tinted
-    /// glyph over a translucent glass circle so it reads as a floating control, not a stamped
-    /// button. Sits low over the list, clear of the connection chip.
-    private var newChatButton: some View {
-        Button {
-            showNewChat = true
-        } label: {
-            Image(systemName: "plus")
-                .font(.system(size: 22, weight: .semibold))
-                .foregroundStyle(Palette.accent)
-                .frame(width: 56, height: 56)
-                .glassCircle()
-        }
-        .buttonStyle(.plain)
-        .padding(.trailing, 20)
-        .padding(.bottom, 6)
-        .accessibilityLabel("New chat")
-    }
-
     /// Push the session a notification tap asked for, then clear the request.
     private func consumeRoute() {
         guard let route = store.pendingRoute else { return }