fix: splash screen now loads via JarvisIcon imageset (UIImage named: AppIcon doesn't resolve at runtime)

Added JarvisIcon.imageset containing the radar PNG so Image("JarvisIcon")
loads reliably. Also switched shadow tint to orange to echo the icon glow.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Jarvis/JarvisApp.swift

@@ -2,7 +2,7 @@
 
 import SwiftUI
 import SwiftData
-import UIKit
+import UIKit  // needed for AppDelegate
 import BackgroundTasks
 
 // MARK: - Splash
@@ -19,20 +19,13 @@ struct SplashView: View {
         ZStack {
             Color(hex: "0A0A0A").ignoresSafeArea()
             VStack(spacing: 22) {
-                // App icon displayed as a circle
-                Group {
-                    if let img = UIImage(named: "AppIcon") {
-                        Image(uiImage: img)
-                            .resizable()
-                    } else {
-                        Circle().fill(Palette.surface)
-                    }
-                }
-                .frame(width: 108, height: 108)
-                .clipShape(Circle())
-                .shadow(color: Color.black.opacity(0.4), radius: 20, y: 6)
-                .scaleEffect(iconScale)
-                .opacity(iconOpacity)
+                Image("JarvisIcon")
+                    .resizable()
+                    .frame(width: 108, height: 108)
+                    .clipShape(Circle())
+                    .shadow(color: Palette.orange.opacity(0.35), radius: 22, y: 4)
+                    .scaleEffect(iconScale)
+                    .opacity(iconOpacity)
 
                 JarvisWordmark(size: 28)
                     .opacity(markOpacity)