Update signing configuration to use 88oakapps.feels identifiers

- Update App Group IDs from group.com.tt.feels to group.com.88oakapps.feels
- Update iCloud container IDs from iCloud.com.tt.feels to iCloud.com.88oakapps.feels
- Sync code constants with entitlements across all targets (iOS, Watch, Widget)
- Update documentation in CLAUDE.md and PROJECT_OVERVIEW.md

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

Shared/Views/SettingsView/SettingsView.swift

@@ -21,6 +21,8 @@ struct SettingsContentView: View {
     @State private var showTrialDatePicker = false
     @State private var isExportingWidgets = false
     @State private var widgetExportPath: URL?
+    @State private var isDeletingHealthKitData = false
+    @State private var healthKitDeleteResult: String?
     @StateObject private var healthService = HealthService.shared
 
     @AppStorage(UserDefaultsStore.Keys.firstLaunchDate.rawValue, store: GroupUserDefaults.groupDefaults)
@@ -62,6 +64,7 @@ struct SettingsContentView: View {
                 tipsPreviewButton
                 testNotificationsButton
                 exportWidgetsButton
+                deleteHealthKitDataButton
 
                 clearDataButton
                 #endif
@@ -475,6 +478,58 @@ struct SettingsContentView: View {
         .cornerRadius(Constants.viewsCornerRaidus, corners: [.topLeft, .topRight, .bottomLeft, .bottomRight])
     }
 
+    private var deleteHealthKitDataButton: some View {
+        ZStack {
+            theme.currentTheme.secondaryBGColor
+            Button {
+                isDeletingHealthKitData = true
+                healthKitDeleteResult = nil
+                Task {
+                    do {
+                        let count = try await HealthKitManager.shared.deleteAllMoods()
+                        healthKitDeleteResult = "✓ Deleted \(count) records"
+                    } catch {
+                        healthKitDeleteResult = "✗ Error: \(error.localizedDescription)"
+                    }
+                    isDeletingHealthKitData = false
+                }
+            } label: {
+                HStack(spacing: 12) {
+                    if isDeletingHealthKitData {
+                        ProgressView()
+                            .frame(width: 32)
+                    } else {
+                        Image(systemName: "heart.slash.fill")
+                            .font(.title2)
+                            .foregroundColor(.red)
+                            .frame(width: 32)
+                    }
+
+                    VStack(alignment: .leading, spacing: 2) {
+                        Text("Delete HealthKit Data")
+                            .foregroundColor(textColor)
+
+                        if let result = healthKitDeleteResult {
+                            Text(result)
+                                .font(.caption)
+                                .foregroundColor(result.contains("✓") ? .green : .red)
+                        } else {
+                            Text("Remove all State of Mind records")
+                                .font(.caption)
+                                .foregroundStyle(.secondary)
+                        }
+                    }
+
+                    Spacer()
+                }
+                .padding()
+            }
+            .disabled(isDeletingHealthKitData)
+        }
+        .fixedSize(horizontal: false, vertical: true)
+        .cornerRadius(Constants.viewsCornerRaidus, corners: [.topLeft, .topRight, .bottomLeft, .bottomRight])
+    }
+
     private var clearDataButton: some View {
         ZStack {
             theme.currentTheme.secondaryBGColor