Signed-off-by: Matt Bruce <mbrucedogs@gmail.com>

Andromida/App/State/RitualStore.swift

@@ -123,7 +123,11 @@ final class RitualStore: RitualStoreProviding {
     }
 
     func toggleHabitCompletion(_ habit: ArcHabit) {
-        let dayID = dayIdentifier(for: Date())
+        toggleHabitCompletion(habit, date: Date())
+    }
+    
+    func toggleHabitCompletion(_ habit: ArcHabit, date: Date = Date()) {
+        let dayID = dayIdentifier(for: date)
         let wasCompleted = habit.completedDayIDs.contains(dayID)
         
         if wasCompleted {

Andromida/App/Views/History/HistoryDayDetailSheet.swift

@@ -11,7 +11,7 @@ import Bedrock
 /// A sheet showing habit completion details for a specific day.
 struct HistoryDayDetailSheet: View {
     let date: Date
-    let completions: [HabitCompletion]
+    let ritual: Ritual?
     let store: RitualStore
     @Environment(\.dismiss) private var dismiss
     
@@ -21,6 +21,14 @@ struct HistoryDayDetailSheet: View {
         return formatter.string(from: date)
     }
 
+    private var isToday: Bool {
+        Calendar.current.isDateInToday(date)
+    }
+
+    private var completions: [HabitCompletion] {
+        store.habitCompletions(for: date, ritual: ritual)
+    }
+    
     private var completionRate: Double {
         guard !completions.isEmpty else { return 0 }
         let completed = completions.filter { $0.isCompleted }.count
@@ -222,7 +230,7 @@ struct HistoryDayDetailSheet: View {
     }
     
     private func habitRow(_ completion: HabitCompletion) -> some View {
-        HStack(spacing: Design.Spacing.medium) {
+        let content = HStack(spacing: Design.Spacing.medium) {
             Image(systemName: completion.habit.symbolName)
                 .foregroundStyle(completion.isCompleted ? AppStatus.success : AppTextColors.tertiary)
                 .frame(width: AppMetrics.Size.iconMedium)
@@ -237,13 +245,26 @@ struct HistoryDayDetailSheet: View {
                 .foregroundStyle(completion.isCompleted ? AppStatus.success : AppTextColors.tertiary)
         }
         .padding(.vertical, Design.Spacing.small)
+
+        if isToday {
+            return AnyView(
+                Button {
+                    store.toggleHabitCompletion(completion.habit, date: date)
+                } label: {
+                    content
+                }
+                .buttonStyle(.plain)
+            )
+        } else {
+            return AnyView(content)
+        }
     }
 }
 
 #Preview {
     HistoryDayDetailSheet(
         date: Date(),
-        completions: [],
+        ritual: nil,
         store: RitualStore.preview
     )
 }

Andromida/App/Views/History/HistoryView.swift

@@ -83,11 +83,6 @@ struct HistoryView: View {
     var body: some View {
         ScrollView(.vertical, showsIndicators: false) {
             VStack(alignment: .leading, spacing: Design.Spacing.large) {
-                if horizontalSizeClass == .regular {
-                    Text(String(localized: "History")).styled(.heroBold)
-                        .padding(.bottom, Design.Spacing.small)
-                }
-
                 // Ritual filter picker
                 ritualPicker
                 
@@ -160,7 +155,7 @@ struct HistoryView: View {
         .sheet(item: $selectedDateItem) { item in
             HistoryDayDetailSheet(
                 date: item.date,
-                completions: store.habitCompletions(for: item.date, ritual: selectedRitual),
+                ritual: selectedRitual,
                 store: store
             )
         }

Andromida/App/Views/Insights/InsightsView.swift

@@ -30,11 +30,6 @@ struct InsightsView: View {
         NavigationStack {
             ScrollView(.vertical, showsIndicators: false) {
                 VStack(alignment: .leading, spacing: Design.Spacing.large) {
-                    if horizontalSizeClass == .regular {
-                        Text(String(localized: "Insights")).styled(.heroBold)
-                            .padding(.bottom, Design.Spacing.small)
-                    }
-
                     // Grid with drag-and-drop support in edit mode
                     LazyVGrid(columns: columns, spacing: Design.Spacing.medium) {
                         ForEach(orderedCards) { card in

Andromida/App/Views/Rituals/ArcDetailView.swift

@@ -114,7 +114,7 @@ struct ArcDetailView: View {
         .sheet(item: $selectedDateItem) { item in
             HistoryDayDetailSheet(
                 date: item.date,
-                completions: arcHabitCompletions(for: item.date),
+                ritual: ritual,
                 store: store
             )
         }

Andromida/App/Views/Rituals/RitualsView.swift

@@ -37,11 +37,6 @@ struct RitualsView: View {
     var body: some View {
         ScrollView(.vertical, showsIndicators: false) {
             VStack(alignment: .leading, spacing: Design.Spacing.large) {
-                if horizontalSizeClass == .regular {
-                    Text(String(localized: "Rituals")).styled(.heroBold)
-                        .padding(.bottom, Design.Spacing.small)
-                }
-
                 // Segmented picker
                 Picker(String(localized: "View"), selection: $selectedTab) {
                     ForEach(RitualsTab.allCases, id: \.self) { tab in

Andromida/App/Views/Today/TodayView.swift

@@ -39,11 +39,6 @@ struct TodayView: View {
     var body: some View {
         ScrollView(.vertical, showsIndicators: false) {
             VStack(alignment: .leading, spacing: Design.Spacing.large) {
-                if horizontalSizeClass == .regular {
-                    TodayHeaderView(dateText: store.todayDisplayString)
-                        .padding(.bottom, Design.Spacing.small)
-                }
-                
                 if todayRituals.isEmpty {
                     if hasRitualsButNotNow {
                         // Has active rituals but none for current time of day

AndromidaTests/RitualStoreTests.swift

@@ -26,6 +26,24 @@ struct RitualStoreTests {
         #expect(store.isHabitCompletedToday(habit) == true)
     }
 
+    @MainActor
+    @Test func toggleHabitCompletionForSpecificDate() throws {
+        let store = makeStore()
+        store.createQuickRitual()
+
+        guard let habit = store.activeRitual?.habits.first else {
+            throw TestError.missingHabit
+        }
+
+        let yesterday = Calendar.current.date(byAdding: .day, value: -1, to: Date())!
+        store.toggleHabitCompletion(habit, date: yesterday)
+        
+        let completions = store.habitCompletions(for: yesterday)
+        let completion = completions.first { $0.habit.id == habit.id }
+        #expect(completion?.isCompleted == true)
+        #expect(store.isHabitCompletedToday(habit) == false)
+    }
+    
     @MainActor
     @Test func arcRenewalCreatesNewArc() throws {
         let store = makeStore()

AndromidaWidget/Views/AndromidaWidgetView.swift

@@ -1,5 +1,6 @@
 import SwiftUI
 import WidgetKit
+import Bedrock
 
 struct AndromidaWidgetView: View {
     var entry: WidgetEntry
@@ -23,6 +24,83 @@ struct AndromidaWidgetView: View {
     }
 }
 
+struct LargeWidgetView: View {
+    let entry: WidgetEntry
+    
+    var body: some View {
+        VStack(alignment: .leading, spacing: Design.Spacing.large) {
+            HStack {
+                VStack(alignment: .leading, spacing: Design.Spacing.xSmall) {
+                    Text(String(localized: "Today's Progress"))
+                        .styled(.heading, emphasis: .custom(AppTextColors.primary))
+                    Text("\(entry.currentStreak) day streak")
+                        .styled(.subheading, emphasis: .custom(AppAccent.primary))
+                }
+                Spacer()
+                ZStack {
+                    Circle()
+                        .stroke(AppTextColors.primary.opacity(0.1), lineWidth: 6)
+                    Circle()
+                        .trim(from: 0, to: entry.completionRate)
+                        .stroke(AppAccent.primary, style: StrokeStyle(lineWidth: 6, lineCap: .round))
+                        .rotationEffect(.degrees(-90))
+                    Text("\(Int(entry.completionRate * 100))%")
+                        .styled(.captionEmphasis, emphasis: .custom(AppTextColors.primary))
+                }
+                .frame(width: 50, height: 50)
+            }
+            .padding(.top, Design.Spacing.small)
+            
+            Divider()
+                .background(AppTextColors.primary.opacity(0.2))
+            
+            if entry.nextHabits.isEmpty {
+                WidgetEmptyStateView(
+                    iconSize: .section,
+                    title: String(localized: "No rituals scheduled for \(entry.currentTimeOfDay.lowercased())."),
+                    subtitle: entry.currentTimeOfDay,
+                    symbolName: entry.currentTimeOfDaySymbol,
+                    timeRange: entry.currentTimeOfDayRange,
+                    nextRitual: entry.nextRitualInfo,
+                    isCompact: false
+                )
+            } else {
+                Text(String(localized: "Habits"))
+                    .styled(.captionEmphasis, emphasis: .custom(AppTextColors.secondary))
+                
+                VStack(spacing: Design.Spacing.medium) {
+                    ForEach(entry.nextHabits) { habit in
+                        HStack(spacing: Design.Spacing.medium) {
+                            Image(systemName: habit.symbolName)
+                                .foregroundColor(AppAccent.primary)
+                                .font(.system(size: 18))
+                                .frame(width: 24)
+                            
+                            VStack(alignment: .leading, spacing: Design.Spacing.xSmall) {
+                                Text(habit.title)
+                                    .styled(.subheading, emphasis: .custom(AppTextColors.primary))
+                                Text(habit.ritualTitle)
+                                    .styled(.caption, emphasis: .custom(AppTextColors.tertiary))
+                            }
+                            Spacer()
+                            
+                            Image(systemName: habit.isCompleted ? "checkmark.circle.fill" : "circle")
+                                .foregroundColor(habit.isCompleted ? .green : AppTextColors.primary.opacity(0.2))
+                                .font(.system(size: 20))
+                        }
+                    }
+                }
+            }
+            
+            Spacer()
+        }
+        .padding(Design.Spacing.large)
+        .containerBackground(for: .widget) {
+            AppSurface.primary
+        }
+    }
+}
+
 // MARK: - Branding Colors Helper
 extension Color {
     static let brandingPrimary = Color(red: 0.12, green: 0.09, blue: 0.08)

AndromidaWidget/Views/Components/...swift

@@ -1,80 +0,0 @@
-import SwiftUI
-import WidgetKit
-import Bedrock
-
-struct LargeWidgetView: View {
-    let entry: WidgetEntry
-    
-    var body: some View {
-        VStack(alignment: .leading, spacing: Design.Spacing.large) {
-            HStack {
-                VStack(alignment: .leading, spacing: Design.Spacing.xSmall) {
-                    Text(String(localized: "Today's Progress"))
-                        .styled(.heading, emphasis: .custom(AppTextColors.primary))
-                    Text("\(entry.currentStreak) day streak")
-                        .styled(.subheading, emphasis: .custom(AppAccent.primary))
-                }
-                Spacer()
-                ZStack {
-                    Circle()
-                        .stroke(AppTextColors.primary.opacity(0.1), lineWidth: 6)
-                    Circle()
-                        .trim(from: 0, to: entry.completionRate)
-                        .stroke(AppAccent.primary, style: StrokeStyle(lineWidth: 6, lineCap: .round))
-                        .rotationEffect(.degrees(-90))
-                    Text("\(Int(entry.completionRate * 100))%")
-                        .styled(.captionEmphasis, emphasis: .custom(AppTextColors.primary))
-                }
-                .frame(width: 50, height: 50)
-            }
-            .padding(.top, Design.Spacing.small)
-            
-            Divider()
-                .background(AppTextColors.primary.opacity(0.2))
-            
-            if entry.nextHabits.isEmpty {
-                WidgetEmptyStateView(
-                    iconSize: .section,
-                    title: String(localized: "No rituals scheduled for \(entry.currentTimeOfDay.lowercased())."),
-                    subtitle: entry.currentTimeOfDay,
-                    symbolName: entry.currentTimeOfDaySymbol,
-                    timeRange: entry.currentTimeOfDayRange,
-                    nextRitual: entry.nextRitualInfo,
-                    isCompact: false
-                )
-            } else {
-                Text(String(localized: "Habits"))
-                    .styled(.captionEmphasis, emphasis: .custom(AppTextColors.secondary))
-                
-                VStack(spacing: Design.Spacing.medium) {
-                    ForEach(entry.nextHabits) { habit in
-                        HStack(spacing: Design.Spacing.medium) {
-                            Image(systemName: habit.symbolName)
-                                .foregroundColor(AppAccent.primary)
-                                .font(.system(size: 18))
-                                .frame(width: 24)
-                            
-                            VStack(alignment: .leading, spacing: Design.Spacing.xSmall) {
-                                Text(habit.title)
-                                    .styled(.subheading, emphasis: .custom(AppTextColors.primary))
-                                Text(habit.ritualTitle)
-                                    .styled(.caption, emphasis: .custom(AppTextColors.tertiary))
-                            }
-                            Spacer()
-                            
-                            Image(systemName: habit.isCompleted ? "checkmark.circle.fill" : "circle")
-                                .foregroundColor(habit.isCompleted ? .green : AppTextColors.primary.opacity(0.2))
-                                .font(.system(size: 20))
-                        }
-                    }
-                }
-            }
-            
-            Spacer()
-        }
-        .padding(Design.Spacing.large)
-        .containerBackground(for: .widget) {
-            AppSurface.primary
-        }
-    }
-}