nvrsion: promote trunk to dev

Nucleic-Promote: 1

NucleicRemote/NucleicRemote/Views/HomeView.swift

@@ -19,16 +19,11 @@ struct HomeView: View {
                    uniquingKeysWith: +)
     }
 
-    private var streak: Int {
-        let cal = Calendar.current
-        var day = cal.startOfDay(for: Date())
-        if (activityByDay[day] ?? 0) == 0 { day = cal.date(byAdding: .day, value: -1, to: day)! }
-        var count = 0
-        while (activityByDay[day] ?? 0) > 0 {
-            count += 1
-            day = cal.date(byAdding: .day, value: -1, to: day)!
-        }
-        return count
+    /// Current activity streak with streak freezes folded in — the run of consecutive active
+    /// days, where a banked freeze (one earned per five days) bridges a missed day. Shared with
+    /// the Mac via `StreakState`, so both devices report the same streak and frozen days.
+    private var streakState: StreakState {
+        StreakState.compute(activityByDay: activityByDay)
     }
 
     private var greeting: String {
@@ -41,7 +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) {
@@ -50,14 +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()
@@ -137,6 +135,8 @@ private struct StatCard: View {
 /// A lightning bolt whose charge grows with the streak (mirrors the Mac StreakBadge).
 struct StreakBadge: View {
     let days: Int
+    /// Streak freezes in reserve (one per five days), shown as a small snowflake tally.
+    var freezes: Int = 0
     private var intensity: Double { min(1, Double(max(0, days - 1)) / 20) }
 
     var body: some View {
@@ -154,6 +154,14 @@ struct StreakBadge: View {
                 Text("\(days)").font(.headline.monospacedDigit())
                 Text("day streak").font(.caption2).foregroundStyle(.secondary)
             }
+            if freezes > 0 {
+                HStack(spacing: 2) {
+                    Image(systemName: "snowflake")
+                    Text("\(freezes)").monospacedDigit()
+                }
+                .font(.caption.weight(.semibold))
+                .foregroundStyle(Palette.frozen)
+            }
         }
         .padding(.horizontal, 12).padding(.vertical, 8)
         .background(Color(.secondarySystemBackground), in: Capsule())
@@ -163,6 +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
 
@@ -185,8 +196,12 @@ struct ActivityGrid: View {
                 VStack(spacing: gap) {
                     ForEach(0..<7, id: \.self) { row in
                         let date = cal.date(byAdding: .day, value: col * 7 + row, to: gridStart)!
+                        let isFuture = date > today
+                        let isFrozen = !isFuture && frozenDays.contains(date)
                         RoundedRectangle(cornerRadius: 2)
-                            .fill(date > today ? Color.clear : Palette.activity(level: Self.level(activityByDay[date] ?? 0)))
+                            .fill(isFuture ? Color.clear
+                                : isFrozen ? Palette.frozen
+                                : Palette.activity(level: Self.level(activityByDay[date] ?? 0)))
                             .frame(width: cell, height: cell)
                     }
                 }

NucleicRemote/NucleicRemote/Views/Theme.swift

@@ -12,6 +12,9 @@ enum Palette {
     static let success = Color(red: 0.30, green: 0.80, blue: 0.45)  // green
     static let paused = Color(red: 0.62, green: 0.49, blue: 0.93)   // purple
     static let danger = Color(red: 0.92, green: 0.34, blue: 0.34)   // red
+    /// Cold "iced" blue for a streak-frozen day in the activity grid — mirrors the Mac's
+    /// `AppPalette.frozen`.
+    static let frozen = Color(red: 0.26, green: 0.64, blue: 0.96)
     static let neutral = Color.secondary
     /// The orchestra (orchestration mode) signature gold — mirrors the Mac's
     /// `AppTheme.orchestra`. Used for the effort picker's Orchestra option and the