Restrict contribution fields to detailed mode only

AddSnapshotView: restore inputMode == .detailed guard for contribution section.
BatchUpdateView: show contribution field per row only when the source's
account is configured with inputMode == .detailed.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

PortfolioJournal/Views/Dashboard/MonthlyCheckInView.swift

@@ -990,6 +990,7 @@ struct BatchUpdateView: View {
             ?? AppSettings.getOrCreate(in: CoreDataStack.shared.viewContext).currency
         let symbol = CurrencyFormatter.symbol(for: currencyCode)
         let previousValue = source.latestSnapshot?.decimalValue
+        let isDetailed = InputMode(rawValue: source.account?.inputMode ?? "") == .detailed
         let valueBinding = Binding<String>(
             get: { values[source.id] ?? "" },
             set: { values[source.id] = $0 }
@@ -1024,6 +1025,7 @@ struct BatchUpdateView: View {
             .background(Color.gray.opacity(0.08))
             .cornerRadius(8)
 
+            if isDetailed {
                 HStack {
                     Image(systemName: "plus.circle")
                         .font(.caption)
@@ -1037,6 +1039,7 @@ struct BatchUpdateView: View {
                 .background(Color.appSecondary.opacity(0.06))
                 .cornerRadius(8)
             }
+        }
         .padding(.vertical, 2)
     }
 

PortfolioJournal/Views/Sources/AddSourceView.swift

@@ -499,6 +499,7 @@ struct AddSnapshotView: View {
                     }
                 }
 
+                if viewModel.inputMode == .detailed {
                     Section {
                         Toggle("Include Contribution", isOn: $viewModel.includeContribution)
 
@@ -516,6 +517,7 @@ struct AddSnapshotView: View {
                     } footer: {
                         Text("Track new capital added to separate it from investment growth.")
                     }
+                }
 
                 Section {
                     TextField("Notes", text: $viewModel.notes, axis: .vertical)