Display bundled app version in settings

Sources/ZoomItMacCore/App/AppInfo.swift

@@ -1,8 +1,19 @@
 import Foundation
 
-/// Static product identity used across the UI (settings footer, about text).
+/// Product identity used across the UI (settings footer, about text).
 public enum AppInfo {
     public static let productName = "Sysinternals ZoomIt"
-    public static let version = "1.0"
+    public static var version: String {
+        resolveVersion(from: Bundle.main.infoDictionary)
+    }
     public static let copyright = "Copyright © 2026 Mark Russinovich"
+
+    static func resolveVersion(from infoDictionary: [String: Any]?) -> String {
+        for key in ["CFBundleShortVersionString", "CFBundleVersion"] {
+            if let value = infoDictionary?[key] as? String, !value.isEmpty {
+                return value
+            }
+        }
+        return "Development"
+    }
 }

Sources/ZoomItMacCore/SelfTest/SelfTestRunner.swift

@@ -28,6 +28,7 @@ private final class FlippedBackgroundHostView: NSView {
 @MainActor
 public enum SelfTestRunner {
     public static func run() throws {
+        try testAppInfoVersionResolution()
         try testViewportClampsZoom()
         try testViewportZoomAnimation()
         try testViewportSourceRect()
@@ -77,6 +78,21 @@ public enum SelfTestRunner {
         try testPanoramaLockedAxisRejectsShortFallback()
     }
 
+    private static func testAppInfoVersionResolution() throws {
+        try expect(
+            AppInfo.resolveVersion(from: ["CFBundleShortVersionString": "12.2.0"]) == "12.2.0",
+            "Expected the settings version to use CFBundleShortVersionString"
+        )
+        try expect(
+            AppInfo.resolveVersion(from: ["CFBundleVersion": "42"]) == "42",
+            "Expected the settings version to fall back to CFBundleVersion"
+        )
+        try expect(
+            AppInfo.resolveVersion(from: nil) == "Development",
+            "Expected an unbundled development build to identify itself as Development"
+        )
+    }
+
     private static func testViewportClampsZoom() throws {
         let controller = ZoomViewportController()