feat(v2.5.0): add caching, request deduplication, and performance improvements

1 files changed, 50 insertions, 0 deletions

diff --git a/DomainDig/ContentView.swift b/DomainDig/ContentView.swift
index c5fc1fa..7a3a42d 100644
--- a/DomainDig/ContentView.swift
+++ b/DomainDig/ContentView.swift
@@ -30,6 +30,10 @@ struct ContentView: View {
                     }
                     if viewModel.hasRun {
                         actionButtons
+                        if let statusMessage = viewModel.currentStatusMessage ?? (viewModel.currentResultSource != .live ? viewModel.currentResultSource.label : nil) {
+                            LookupStatusBannerView(message: statusMessage, resultSource: viewModel.currentResultSource)
+                                .padding(.top, 8)
+                        }
                         SummaryView(fields: viewModel.summaryFields)
                             .padding(.top, 8)
                         if let changeSummary = viewModel.currentChangeSummary {
@@ -494,6 +498,52 @@ struct SummaryView: View {
     }
 }
 
+struct LookupStatusBannerView: View {
+    let message: String
+    let resultSource: LookupResultSource
+
+    var body: some View {
+        HStack(spacing: 8) {
+            Image(systemName: iconName)
+                .font(.caption)
+            Text(message)
+                .font(.system(.caption, design: .monospaced))
+            Spacer()
+        }
+        .foregroundStyle(color)
+        .padding(8)
+        .frame(maxWidth: .infinity, alignment: .leading)
+        .background(color.opacity(0.12))
+        .clipShape(RoundedRectangle(cornerRadius: 8))
+    }
+
+    private var color: Color {
+        switch resultSource {
+        case .live:
+            return .green
+        case .cached:
+            return .secondary
+        case .mixed:
+            return .yellow
+        case .snapshot:
+            return .orange
+        }
+    }
+
+    private var iconName: String {
+        switch resultSource {
+        case .live:
+            return "bolt.horizontal"
+        case .cached:
+            return "clock.arrow.trianglehead.counterclockwise.rotate.90"
+        case .mixed:
+            return "arrow.triangle.branch"
+        case .snapshot:
+            return "archivebox"
+        }
+    }
+}
+
 struct DomainChangeSummaryView: View {
     let summary: DomainChangeSummary