Fix tab bar labels wrapping at large Dynamic Type sizes

LoopFollow/Application/AppDelegate.swift

@@ -13,6 +13,8 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         LogManager.shared.log(category: .general, message: "App started")
         LogManager.shared.cleanupOldLogs()
 
+        configureTabBarAppearance()
+
         let options: UNAuthorizationOptions = [.alert, .sound, .badge]
         notificationCenter.requestAuthorization(options: options) {
             didAllow, _ in
@@ -87,6 +89,31 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         return true
     }
 
+    // MARK: - Tab bar appearance
+
+    /// Pin the tab bar item titles to a fixed, non-scaling font so large
+    /// Dynamic Type sizes don't wrap or truncate the labels.
+    private func configureTabBarAppearance() {
+        // 10pt medium matches the system default tab bar label.
+        let titleFont = UIFont.systemFont(ofSize: 10, weight: .medium)
+        let attributes: [NSAttributedString.Key: Any] = [.font: titleFont]
+
+        func apply(to itemAppearance: UITabBarItemAppearance) {
+            itemAppearance.normal.titleTextAttributes = attributes
+            itemAppearance.selected.titleTextAttributes = attributes
+            itemAppearance.disabled.titleTextAttributes = attributes
+            itemAppearance.focused.titleTextAttributes = attributes
+        }
+
+        let appearance = UITabBarAppearance()
+        apply(to: appearance.stackedLayoutAppearance)
+        apply(to: appearance.inlineLayoutAppearance)
+        apply(to: appearance.compactInlineLayoutAppearance)
+
+        UITabBar.appearance().standardAppearance = appearance
+        UITabBar.appearance().scrollEdgeAppearance = appearance
+    }
+
     // MARK: - BFU recovery
 
     @objc private func protectedDataDidBecomeAvailable() {

LoopFollow/Application/MainTabView.swift

@@ -25,7 +25,7 @@ struct MainTabView: View {
             ForEach(Array(orderedItems.prefix(4).enumerated()), id: \.element) { index, item in
                 tabContent(for: item)
                     .tabItem {
-                        Label(item.displayName, systemImage: item.icon)
+                        tabLabel(item.displayName, systemImage: item.icon)
                     }
                     .tag(index)
             }
@@ -34,7 +34,7 @@ struct MainTabView: View {
                 MoreMenuView()
             }
             .tabItem {
-                Label("Menu", systemImage: "line.3.horizontal")
+                tabLabel("Menu", systemImage: "line.3.horizontal")
             }
             .tag(4)
         }
@@ -62,6 +62,21 @@ struct MainTabView: View {
         }
     }
 
+    /// Tab bar label with a fixed-size icon so large Dynamic Type sizes don't
+    /// grow the symbol and squeeze the title. The title font is pinned in AppDelegate.
+    private func tabLabel(_ title: String, systemImage: String) -> some View {
+        Label {
+            Text(title)
+        } icon: {
+            let config = UIImage.SymbolConfiguration(pointSize: 24, weight: .regular)
+            if let image = UIImage(systemName: systemImage, withConfiguration: config) {
+                Image(uiImage: image.withRenderingMode(.alwaysTemplate))
+            } else {
+                Image(systemName: systemImage)
+            }
+        }
+    }
+
     @ViewBuilder
     private func tabContent(for item: TabItem) -> some View {
         switch item {