Add Continue Watching toggle to tab bar settings

Exposes ContinueWatchingView as an opt-in compact tab bar item,
hidden by default. Uses a short "Continue" label since the full
"Continue Watching" string does not fit as a tab bar title.

Yattee/Localizable.xcstrings

@@ -16712,6 +16712,17 @@
         }
       }
     },
+    "tabBar.item.continueWatching" : {
+      "comment" : "Tab bar item title for continue watching (short title)",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Continue"
+          }
+        }
+      }
+    },
     "tabBar.item.sources" : {
       "comment" : "Tab bar item title for sources",
       "localizations" : {

Yattee/Models/Navigation/SidebarMainItem.swift

@@ -181,6 +181,7 @@ enum SidebarMainItem: String, CaseIterable, Codable, Identifiable, Sendable {
         case .downloads: self = .downloads
         case .sources: self = .sources
         case .settings: self = .settings
+        case .continueWatching: self = .continueWatching
         }
     }
 }

Yattee/Models/Navigation/TabBarItem.swift

@@ -17,17 +17,18 @@ enum TabBarItem: String, CaseIterable, Codable, Identifiable, Sendable {
     case downloads
     case sources
     case settings
+    case continueWatching
 
     var id: String { rawValue }
 
     /// Default order for tab bar items.
     static var defaultOrder: [TabBarItem] {
-        [.subscriptions, .channels, .bookmarks, .playlists, .history, .sources, .downloads, .settings]
+        [.subscriptions, .channels, .bookmarks, .playlists, .history, .continueWatching, .sources, .downloads, .settings]
     }
 
     /// Default visibility (only subscriptions visible by default).
     static var defaultVisibility: [TabBarItem: Bool] {
-        [.subscriptions: false, .channels: false, .bookmarks: false, .playlists: false, .history: false, .downloads: true, .sources: true, .settings: false]
+        [.subscriptions: false, .channels: false, .bookmarks: false, .playlists: false, .history: false, .downloads: true, .sources: true, .settings: false, .continueWatching: false]
     }
 
     /// SF Symbol icon name.
@@ -41,6 +42,7 @@ enum TabBarItem: String, CaseIterable, Codable, Identifiable, Sendable {
         case .downloads: "arrow.down.circle"
         case .sources: "server.rack"
         case .settings: "gear"
+        case .continueWatching: "play.circle"
         }
     }
 
@@ -55,6 +57,7 @@ enum TabBarItem: String, CaseIterable, Codable, Identifiable, Sendable {
         case .downloads: String(localized: "tabBar.item.downloads")
         case .sources: String(localized: "tabBar.item.sources")
         case .settings: String(localized: "tabBar.item.settings")
+        case .continueWatching: String(localized: "tabBar.item.continueWatching")
         }
     }
 }

Yattee/Views/Navigation/CompactTabView.swift

@@ -25,6 +25,7 @@ struct CompactTabView: View {
     @State private var downloadsPath = NavigationPath()
     @State private var sourcesPath = NavigationPath()
     @State private var settingsPath = NavigationPath()
+    @State private var continueWatchingPath = NavigationPath()
 
     // Tab selection - using String to support both fixed and dynamic tabs
     // Initial value is a placeholder; actual startup tab is applied in onAppear
@@ -241,6 +242,8 @@ struct CompactTabView: View {
             sourcesPath.append(destination)
         case TabBarItem.settings.rawValue:
             settingsPath.append(destination)
+        case TabBarItem.continueWatching.rawValue:
+            continueWatchingPath.append(destination)
         default:
             homePath.append(destination)
         }
@@ -291,6 +294,11 @@ struct CompactTabView: View {
                 SettingsView(showCloseButton: false)
                     .withNavigationDestinations()
             }
+        case .continueWatching:
+            NavigationStack(path: $continueWatchingPath) {
+                ContinueWatchingView()
+                    .withNavigationDestinations()
+            }
         }
     }
 
@@ -321,6 +329,8 @@ struct CompactTabView: View {
             sourcesPath.append(destination)
         case TabBarItem.settings.rawValue:
             settingsPath.append(destination)
+        case TabBarItem.continueWatching.rawValue:
+            continueWatchingPath.append(destination)
         default:
             // Fallback to home
             homePath.append(destination)