feat(keyboard): improve typing, voice flow, and polish reliability

Reduce extension memory pressure and delivery races while adding richer candidates, tactile feedback, and safer two-level creative polishing.

OSGKeyboardShared/Utilities/AppVersionDisplay.swift

@@ -0,0 +1,24 @@
+// AppVersionDisplay.swift
+// OSGKeyboardShared
+//
+// Reads marketing / build numbers from the host app Info.plist for Settings.
+
+import Foundation
+
+/// Display helpers for the app's marketing version and build number.
+public enum AppVersionDisplay {
+    /// `CFBundleShortVersionString`, e.g. `"1.5.0"`.
+    public static var marketingVersion: String {
+        Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as? String ?? "—"
+    }
+
+    /// `CFBundleVersion`, e.g. `"37"`.
+    public static var buildNumber: String {
+        Bundle.main.object(forInfoDictionaryKey: "CFBundleVersion") as? String ?? "—"
+    }
+
+    /// Settings trailing label, e.g. `"1.5.0 (Build 37)"`.
+    public static var detailedLabel: String {
+        "\(marketingVersion) (Build \(buildNumber))"
+    }
+}