Fix CaseraIconView to use theme color instead of hardcoded orange

- Add backgroundColor parameter to CaseraIconView and PulsingIconView
- Update ResidenceCard to pass Color.appPrimary for themed icon background
- Icon now matches the app's current theme like PropertyHeaderCard

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

iosApp/Casera/CaseraIconView.swift

@@ -7,27 +7,41 @@ struct CaseraIconView: View {
     var windowScale: CGFloat = 1.0
     var checkmarkScale: CGFloat = 1.0
     var foregroundColor: Color = Color(red: 1.0, green: 0.96, blue: 0.92)
-    
+    var backgroundColor: Color? = nil  // nil uses default gradient, otherwise uses theme color
+
     var body: some View {
         GeometryReader { geo in
             let size = min(geo.size.width, geo.size.height)
             let center = CGPoint(x: geo.size.width / 2, y: geo.size.height / 2)
-            
+
             ZStack {
-                // Background
-                RoundedRectangle(cornerRadius: size * 0.195)
-                    .fill(
-                        LinearGradient(
-                            colors: [
-                                Color(red: 1.0, green: 0.64, blue: 0.28),
-                                Color(red: 0.96, green: 0.51, blue: 0.20)
-                            ],
-                            startPoint: .top,
-                            endPoint: .bottom
+                // Background - use provided color or default gradient
+                if let bgColor = backgroundColor {
+                    RoundedRectangle(cornerRadius: size * 0.195)
+                        .fill(
+                            LinearGradient(
+                                colors: [bgColor, bgColor.opacity(0.85)],
+                                startPoint: .top,
+                                endPoint: .bottom
+                            )
                         )
-                    )
-                    .frame(width: size * 0.906, height: size * 0.906)
-                    .position(center)
+                        .frame(width: size * 0.906, height: size * 0.906)
+                        .position(center)
+                } else {
+                    RoundedRectangle(cornerRadius: size * 0.195)
+                        .fill(
+                            LinearGradient(
+                                colors: [
+                                    Color(red: 1.0, green: 0.64, blue: 0.28),
+                                    Color(red: 0.96, green: 0.51, blue: 0.20)
+                                ],
+                                startPoint: .top,
+                                endPoint: .bottom
+                            )
+                        )
+                        .frame(width: size * 0.906, height: size * 0.906)
+                        .position(center)
+                }
                 
                 // House outline
                 HousePath(progress: houseProgress)
@@ -185,9 +199,10 @@ struct PulsatingCheckmarkView: View {
 
 struct PulsingIconView: View {
     @State private var scale: CGFloat = 1.0
-    
+    var backgroundColor: Color? = nil
+
     var body: some View {
-        CaseraIconView()
+        CaseraIconView(backgroundColor: backgroundColor)
             .scaleEffect(scale)
             .onAppear {
                 withAnimation(.easeInOut(duration: 0.8).repeatForever(autoreverses: true)) {

iosApp/iosApp/Subviews/Residence/ResidenceCard.swift

@@ -15,11 +15,11 @@ struct ResidenceCard: View {
             HStack(spacing: AppSpacing.sm) {
                 VStack {
                     if hasOverdueTasks {
-                        PulsingIconView()
+                        PulsingIconView(backgroundColor: Color.appPrimary)
                             .frame(width: 44, height: 44)
                             .padding([.trailing], AppSpacing.md)
                     } else {
-                        CaseraIconView()
+                        CaseraIconView(backgroundColor: Color.appPrimary)
                             .frame(width: 44, height: 44)
                             .padding([.trailing], AppSpacing.md)
                     }