Fix all SwiftLint violations across codebase

Resolves 130+ violations including deployment target checks, code style issues, and formatting inconsistencies. Adds SwiftLint disable comments for compiler-required availability checks while maintaining deployment target compliance.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

Shared/Playlists/PlaylistsView.swift

@@ -151,9 +151,9 @@ struct PlaylistsView: View {
         }
         #else
         .onReceive(NotificationCenter.default.publisher(for: UIApplication.willEnterForegroundNotification)) { _ in
-                    model.load()
-                    loadResource()
-                }
+            model.load()
+            loadResource()
+        }
         #endif
         #if !os(tvOS)
         .background(