Streak Freeze Feature Implementation

Nucleic-Session: 89DB7BC1-F74C-4768-BC7B-25F898265E0E

NucleicRemote/NucleicRemote/Views/HomeView.swift

@@ -36,7 +36,10 @@ struct HomeView: View {
     }
 
     var body: some View {
-        NavigationStack {
+        // Computed once and threaded down so the badge and grid agree on the streak and which
+        // days a freeze bridged.
+        let streak = streakState
+        return NavigationStack {
             ScrollView {
                 VStack(alignment: .leading, spacing: 22) {
                     HStack(alignment: .top) {
@@ -45,14 +48,14 @@ struct HomeView: View {
                             Text(subtitle).font(.subheadline).foregroundStyle(.secondary)
                         }
                         Spacer()
-                        if streak > 0 { StreakBadge(days: streak) }
+                        if streak.streak > 0 { StreakBadge(days: streak.streak, freezes: streak.availableFreezes) }
                     }
 
                     statCards
 
                     VStack(alignment: .leading, spacing: 10) {
                         Text("Activity").font(.headline)
-                        ActivityGrid(activityByDay: activityByDay)
+                        ActivityGrid(activityByDay: activityByDay, frozenDays: streak.frozenDays)
                     }
                     .frame(maxWidth: .infinity, alignment: .leading)
                     .card()