diff --git a/NucleicRemote/NucleicRemote/Views/HomeView.swift b/NucleicRemote/NucleicRemote/Views/HomeView.swift
index e5df5f9..5447462 100644
--- a/NucleicRemote/NucleicRemote/Views/HomeView.swift
+++ b/NucleicRemote/NucleicRemote/Views/HomeView.swift
@@ -171,6 +171,9 @@ struct StreakBadge: View {
 /// GitHub-style activity grid: columns = weeks (old→new), rows = Sun…Sat.
 struct ActivityGrid: View {
     let activityByDay: [Date: Int]
+    /// Missed days a streak freeze kept alive — drawn in the frozen blue rather than the
+    /// empty-day gray (mirrors the Mac grid).
+    var frozenDays: Set<Date> = []
     private let cell: CGFloat = 13
     private let gap: CGFloat = 3