6 files changed, 184 insertions, 0 deletions
diff --git a/ShedCalc/Assets.xcassets/AccentColor.colorset/Contents.json b/ShedCalc/Assets.xcassets/AccentColor.colorset/Contents.json
new file mode 100644
index 0000000..eb87897
--- /dev/null
+++ b/ShedCalc/Assets.xcassets/AccentColor.colorset/Contents.json
@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/ShedCalc/Assets.xcassets/AppIcon.appiconset/Contents.json b/ShedCalc/Assets.xcassets/AppIcon.appiconset/Contents.json
new file mode 100644
index 0000000..3f00db4
--- /dev/null
+++ b/ShedCalc/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,58 @@
+{
+  "images" : [
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "512x512"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "512x512"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/ShedCalc/Assets.xcassets/Contents.json b/ShedCalc/Assets.xcassets/Contents.json
new file mode 100644
index 0000000..73c0059
--- /dev/null
+++ b/ShedCalc/Assets.xcassets/Contents.json
@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}
diff --git a/ShedCalc/ContentView.swift b/ShedCalc/ContentView.swift
new file mode 100644
index 0000000..c19fdb3
--- /dev/null
+++ b/ShedCalc/ContentView.swift
@@ -0,0 +1,59 @@
+//
+//  ContentView.swift
+//  ShedCalc
+//
+//  Created by Jacky Jack on 28/07/2026.
+//
+
+import SwiftUI
+import SwiftData
+
+struct ContentView: View {
+    @Environment(\.modelContext) private var modelContext
+    @Query private var items: [Item]
+
+    var body: some View {
+        NavigationSplitView {
+            List {
+                ForEach(items) { item in
+                    NavigationLink {
+                        Text("Item at \(item.timestamp, format: Date.FormatStyle(date: .numeric, time: .standard))")
+                    } label: {
+                        Text(item.timestamp, format: Date.FormatStyle(date: .numeric, time: .standard))
+                    }
+                }
+                .onDelete(perform: deleteItems)
+            }
+            .navigationSplitViewColumnWidth(min: 180, ideal: 200)
+            .toolbar {
+                ToolbarItem {
+                    Button(action: addItem) {
+                        Label("Add Item", systemImage: "plus")
+                    }
+                }
+            }
+        } detail: {
+            Text("Select an item")
+        }
+    }
+
+    private func addItem() {
+        withAnimation {
+            let newItem = Item(timestamp: Date())
+            modelContext.insert(newItem)
+        }
+    }
+
+    private func deleteItems(offsets: IndexSet) {
+        withAnimation {
+            for index in offsets {
+                modelContext.delete(items[index])
+            }
+        }
+    }
+}
+
+#Preview {
+    ContentView()
+        .modelContainer(for: Item.self, inMemory: true)
+}
diff --git a/ShedCalc/Item.swift b/ShedCalc/Item.swift
new file mode 100644
index 0000000..55989b7
--- /dev/null
+++ b/ShedCalc/Item.swift
@@ -0,0 +1,18 @@
+//
+//  Item.swift
+//  ShedCalc
+//
+//  Created by Jacky Jack on 28/07/2026.
+//
+
+import Foundation
+import SwiftData
+
+@Model
+final class Item {
+    var timestamp: Date
+    
+    init(timestamp: Date) {
+        self.timestamp = timestamp
+    }
+}
diff --git a/ShedCalc/ShedCalcApp.swift b/ShedCalc/ShedCalcApp.swift
new file mode 100644
index 0000000..4a5c6ff
--- /dev/null
+++ b/ShedCalc/ShedCalcApp.swift
@@ -0,0 +1,32 @@
+//
+//  ShedCalcApp.swift
+//  ShedCalc
+//
+//  Created by Jacky Jack on 28/07/2026.
+//
+
+import SwiftUI
+import SwiftData
+
+@main
+struct ShedCalcApp: App {
+    var sharedModelContainer: ModelContainer = {
+        let schema = Schema([
+            Item.self,
+        ])
+        let modelConfiguration = ModelConfiguration(schema: schema, isStoredInMemoryOnly: false)
+
+        do {
+            return try ModelContainer(for: schema, configurations: [modelConfiguration])
+        } catch {
+            fatalError("Could not create ModelContainer: \(error)")
+        }
+    }()
+
+    var body: some Scene {
+        WindowGroup {
+            ContentView()
+        }
+        .modelContainer(sharedModelContainer)
+    }
+}