feat: add Christmas Easter egg with ⌘⇧J keyboard shortcut

Tusk/AppState.swift

@@ -57,6 +57,7 @@ final class AppState {
     var editingConnection: Connection? = nil
     var connectingIDs: Set<UUID> = []
     var createTableTarget: CreateTableTarget? = nil
+    var isShowingChristmasEasterEgg = false
 
     init() {
         connections = ConnectionStore.shared.load()

Tusk/Views/About/ChristmasEasterEggView.swift

@@ -0,0 +1,120 @@
+import SwiftUI
+
+struct ChristmasEasterEggView: View {
+    @Environment(\.dismiss) private var dismiss
+    @State private var snowflakes: [Snowflake] = ChristmasEasterEggView.makeSnowflakes()
+
+    var body: some View {
+        ZStack {
+            Color(red: 0.07, green: 0.13, blue: 0.25)
+                .ignoresSafeArea()
+
+            // Animated snowflakes
+            TimelineView(.animation) { timeline in
+                Canvas { ctx, size in
+                    let elapsed = timeline.date.timeIntervalSinceReferenceDate
+                    for flake in snowflakes {
+                        let progress = (elapsed * flake.speed + flake.offset).truncatingRemainder(dividingBy: 1.0)
+                        let x = flake.xFraction * size.width + sin(elapsed * flake.sway + flake.offset * .pi * 2) * 18
+                        let y = progress * (size.height + 20) - 10
+                        let resolved = ctx.resolve(Text(flake.symbol)
+                            .font(.system(size: flake.size))
+                            .foregroundStyle(.white.opacity(flake.opacity)))
+                        ctx.draw(resolved, at: CGPoint(x: x, y: y))
+                    }
+                }
+            }
+
+            VStack(spacing: 0) {
+                Spacer()
+
+                // Tree
+                VStack(spacing: 2) {
+                    Text("*")
+                        .font(.system(size: 28))
+                        .foregroundStyle(.yellow)
+                    Text("^ ^ ^")
+                        .font(.system(size: 22, design: .monospaced))
+                        .foregroundStyle(.green)
+                    Text("^ ^ ^ ^ ^")
+                        .font(.system(size: 22, design: .monospaced))
+                        .foregroundStyle(.green)
+                    Text("^ ^ ^ ^ ^ ^ ^")
+                        .font(.system(size: 22, design: .monospaced))
+                        .foregroundStyle(.green)
+                    Text("^ ^ ^ ^ ^ ^ ^ ^ ^")
+                        .font(.system(size: 22, design: .monospaced))
+                        .foregroundStyle(.green)
+                    Text("|||")
+                        .font(.system(size: 20, design: .monospaced))
+                        .foregroundStyle(Color(red: 0.55, green: 0.35, blue: 0.15))
+                }
+                .padding(.bottom, 28)
+
+                // Message
+                VStack(spacing: 10) {
+                    Text("Merry Christmas!")
+                        .font(.system(size: 28, weight: .bold))
+                        .foregroundStyle(.white)
+
+                    Text("May your queries be fast,\nyour indexes never bloat,\nand your vacuums run on time.")
+                        .font(.system(size: 15))
+                        .foregroundStyle(.white.opacity(0.85))
+                        .multilineTextAlignment(.center)
+                        .lineSpacing(4)
+
+                    Text("Ho ho ho from the Tusk team.")
+                        .font(.system(size: 13))
+                        .foregroundStyle(.white.opacity(0.5))
+                        .padding(.top, 4)
+                }
+                .padding(.bottom, 36)
+
+                Button("Dismiss") {
+                    dismiss()
+                }
+                .keyboardShortcut(.escape, modifiers: [])
+                .buttonStyle(.borderedProminent)
+                .tint(.white.opacity(0.2))
+                .foregroundStyle(.white)
+                .controlSize(.large)
+
+                Spacer()
+            }
+            .padding(.horizontal, 40)
+        }
+        .frame(width: 420, height: 480)
+    }
+
+    // MARK: - Snowflakes
+
+    private struct Snowflake {
+        let xFraction: Double
+        let speed: Double
+        let offset: Double
+        let sway: Double
+        let size: Double
+        let opacity: Double
+        let symbol: String
+    }
+
+    private static func makeSnowflakes() -> [Snowflake] {
+        let symbols = ["*", "+", "·", "❄"]
+        return (0..<40).map { i in
+            let rng = Double(i)
+            func pseudo(_ seed: Double) -> Double {
+                let x = sin(seed * 127.1 + 311.7) * 43758.5453
+                return x - floor(x)
+            }
+            return Snowflake(
+                xFraction: pseudo(rng),
+                speed: 0.04 + pseudo(rng + 1) * 0.06,
+                offset: pseudo(rng + 2),
+                sway: 0.5 + pseudo(rng + 3) * 1.5,
+                size: 8 + pseudo(rng + 4) * 10,
+                opacity: 0.3 + pseudo(rng + 5) * 0.5,
+                symbol: symbols[Int(pseudo(rng + 6) * Double(symbols.count))]
+            )
+        }
+    }
+}

Tusk/Views/ContentView.swift

@@ -24,6 +24,9 @@ struct ContentView: View {
             AddConnectionSheet(connection: connection)
                 .environment(\.font, .system(size: contentFontSize, design: contentFontDesign.design))
         }
+        .sheet(isPresented: $appState.isShowingChristmasEasterEgg) {
+            ChristmasEasterEggView()
+        }
     }
 }
 

Tusk/Views/Main/TuskCommands.swift

@@ -43,6 +43,14 @@ struct TuskCommands: Commands {
                 openWindow(id: "help")
             }
             .keyboardShortcut("?", modifiers: .command)
+
+            Button("") {
+                appState.isShowingChristmasEasterEgg = true
+            }
+            .keyboardShortcut("j", modifiers: [.command, .shift])
+            .opacity(0)
+            .allowsHitTesting(false)
+            .accessibilityHidden(true)
         }
 
         CommandGroup(after: .windowArrangement) {