Yattee v2 rewrite

Yattee/Models/Navigation/TabBarItem.swift

@@ -0,0 +1,60 @@
+//
+//  TabBarItem.swift
+//  Yattee
+//
+//  Configurable tab bar item definitions for compact size class navigation.
+//
+
+import Foundation
+
+/// Represents a configurable tab bar item for compact width (iPhone, iPad small window).
+enum TabBarItem: String, CaseIterable, Codable, Identifiable, Sendable {
+    case subscriptions
+    case channels
+    case bookmarks
+    case playlists
+    case history
+    case downloads
+    case sources
+    case settings
+
+    var id: String { rawValue }
+
+    /// Default order for tab bar items.
+    static var defaultOrder: [TabBarItem] {
+        [.subscriptions, .channels, .bookmarks, .playlists, .history, .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]
+    }
+
+    /// SF Symbol icon name.
+    var icon: String {
+        switch self {
+        case .subscriptions: "play.square.stack.fill"
+        case .channels: "person.crop.rectangle.stack.fill"
+        case .bookmarks: "bookmark.fill"
+        case .playlists: "list.bullet.rectangle"
+        case .history: "clock"
+        case .downloads: "arrow.down.circle"
+        case .sources: "server.rack"
+        case .settings: "gear"
+        }
+    }
+
+    /// Localized display title.
+    var localizedTitle: String {
+        switch self {
+        case .subscriptions: String(localized: "tabBar.item.subscriptions")
+        case .channels: String(localized: "tabBar.item.channels")
+        case .bookmarks: String(localized: "tabBar.item.bookmarks")
+        case .playlists: String(localized: "tabBar.item.playlists")
+        case .history: String(localized: "tabBar.item.history")
+        case .downloads: String(localized: "tabBar.item.downloads")
+        case .sources: String(localized: "tabBar.item.sources")
+        case .settings: String(localized: "tabBar.item.settings")
+        }
+    }
+}