Home screen, library-wide search, splash with orbital particles, macOS download fix

- Add Netflix-style Home with recent audiobooks/podcasts, list/grid toggle shared with Library
- Add searchable libraries — audiobooks filter on title/author; podcasts also index and search episodes across the whole library
- Add unified context menu (download / progress remove) across Home, Library, and PodcastDetail
- Rework cover badges: listened checkmark top-right, download indicator bottom-right; hide progress bar when finished
- Add AirPlay picker in PlayerBar
- Replace splash with four-phase animation: orbital particles → attract → flash → fade; cross-platform iOS+macOS, runtime AppIcon lookup
- Fix macOS parallel downloads: align connection settings with iOS, raise timeoutIntervalForRequest to 300s
- Fix progress deletion using server-side progress UUID (DELETE /api/me/progress/:id)
- Bump CFBundleVersion to 8

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ABS Client/Audiobookshelf swift/Views/ContentView.swift

@@ -3,20 +3,21 @@ import SwiftUI
 struct ContentView: View {
     @Environment(AppState.self) private var app
     @Environment(\.scenePhase) private var scenePhase
-    #if os(iOS)
-    @State private var splashVisible = true
-    #endif
+
+    /// Bootstrap fertig — Signal an den Splash, Phase 2 zu starten.
+    @State private var isReadyToDismiss = false
+    /// Splash hat seine Fade-Phase ausgespielt und kann aus dem View-Tree raus.
+    @State private var splashFinished = false
 
     var body: some View {
         ZStack {
             mainContent
-            #if os(iOS)
-            if splashVisible {
-                SplashView()
-                    .zIndex(10)
-                    .transition(.opacity.animation(.easeOut(duration: 0.55)))
+            if !splashFinished {
+                SplashScreenView(isReady: isReadyToDismiss) {
+                    splashFinished = true
+                }
+                .zIndex(10)
             }
-            #endif
         }
         .task { await boot() }
         .onChange(of: scenePhase) { _, newPhase in
@@ -42,17 +43,11 @@ struct ContentView: View {
     }
 
     private func boot() async {
-        #if os(iOS)
-        // Run bootstrap and minimum splash time in parallel;
-        // dismiss splash only after BOTH complete.
-        await withTaskGroup(of: Void.self) { group in
-            group.addTask { await app.bootstrap() }
-            group.addTask { try? await Task.sleep(for: .seconds(1.2)) }
-            await group.waitForAll()
-        }
-        withAnimation { splashVisible = false }
-        #else
         await app.bootstrap()
-        #endif
+        // SplashScreenView wartet selbst auf seine Mindest-Loop-Zeit, daher
+        // kein künstlicher Sleep mehr hier nötig. Sobald isReadyToDismiss
+        // gesetzt wird, fängt der Splash mit Phase 2 an und ruft am Ende
+        // seinen onComplete-Callback (splashFinished = true).
+        isReadyToDismiss = true
     }
 }