Settings shows the installed build version (CI-stamped versionName) — confirms which release Obtainium delivered

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

app/src/app/settings.tsx

@@ -1,3 +1,4 @@
+import * as Application from "expo-application";
 import { useRouter } from "expo-router";
 import { useEffect, useState } from "react";
 import { ScrollView, Text } from "react-native";
@@ -44,6 +45,10 @@ export default function Settings() {
       />
       <Button title="Save & test" onPress={save} />
       {status && <Text style={{ color: C.danger }}>{status}</Text>}
+      {/* CI stamps versionName from the release tag — confirms which build Obtainium installed. */}
+      <Text style={{ color: C.muted, fontSize: 13, textAlign: "center", marginTop: 32 }}>
+        GTD v{Application.nativeApplicationVersion ?? "dev"}
+      </Text>
     </ScrollView>
   );
 }