Base fixes and test harness

PortfolioJournal/Views/Dashboard/DashboardView.swift

@@ -148,7 +148,7 @@ struct DashboardView: View {
                     changeText: calmModeEnabled
                         ? "\(viewModel.latestPortfolioChange.formattedAbsolute) (\(viewModel.latestPortfolioChange.formattedPercentage))"
                         : viewModel.portfolioSummary.formattedDayChange,
-                    changeLabel: calmModeEnabled ? "since last update" : "today",
+                    changeLabel: calmModeEnabled ? "since last check-in" : "today",
                     isPositive: calmModeEnabled
                         ? viewModel.latestPortfolioChange.absolute >= 0
                         : viewModel.isDayChangePositive,
@@ -989,7 +989,7 @@ struct PendingUpdatesCard: View {
                     .foregroundColor(.secondary)
             }
 
-            ForEach(sources.prefix(3)) { source in
+            ForEach(sources.prefix(3), id: \.objectID) { source in
                 NavigationLink(destination: SourceDetailView(source: source, iapService: iapService)) {
                     HStack {
                         Circle()

PortfolioJournal/Views/Dashboard/EvolutionChart.swift

@@ -85,7 +85,7 @@ struct EvolutionChartCard: View {
         .chartForegroundStyleScale(domain: chartCategoryNames, range: chartCategoryColors)
         .chartXAxis {
             AxisMarks(values: .stride(by: .month, count: 3)) { value in
-                AxisValueLabel(format: .dateTime.month(.abbreviated))
+                AxisValueLabel(format: .dateTime.month(.abbreviated).year())
             }
         }
         .chartYAxis {

PortfolioJournal/Views/Dashboard/MonthlyCheckInView.swift

@@ -320,7 +320,7 @@ struct MonthlyCheckInView: View {
                     .font(.subheadline)
                     .foregroundColor(.secondary)
             } else {
-                ForEach(viewModel.sources) { source in
+                ForEach(viewModel.sources, id: \.objectID) { source in
                     let latestSnapshot = source.latestSnapshot
                     let updatedThisCycle = isSnapshotInCurrentCycle(latestSnapshot)
                     Button {
@@ -421,7 +421,7 @@ struct MonthlyCheckInView: View {
                     .font(.subheadline)
                     .foregroundColor(.secondary)
             } else {
-                ForEach(viewModel.recentNotes) { snapshot in
+                ForEach(viewModel.recentNotes, id: \.objectID) { snapshot in
                     VStack(alignment: .leading, spacing: 4) {
                         Text(snapshot.source?.name ?? "Source")
                             .font(.subheadline.weight(.semibold))