ci: add missing gradle properties and enable build logging

Restore critical build properties that expo prebuild does not generate:
- ndkVersion for native compilation
- Gradle HTTP connection and socket timeouts for reliability
- Capture full build output with stacktrace for CI debugging

.gitea/workflows/build.yml

@@ -141,7 +141,8 @@ jobs:
           MYAPP_UPLOAD_KEY_PASSWORD=${{ secrets.ANDROID_KEY_PASSWORD }}
           SIGNING_PROPS
 
-          # CI build tuning (low-memory container): force single-worker, reduce JVM heap
+          # CI build tuning (low-memory container): force single-worker, reduce JVM heap,
+          # plus restore properties that prebuild does NOT generate but the build needs.
           cat >> gradle.properties << 'CI_PROPS'
           org.gradle.daemon=false
           org.gradle.parallel=false
@@ -149,6 +150,9 @@ jobs:
           org.gradle.workers.max=1
           org.gradle.jvmargs=-Xmx4g -XX:MaxMetaspaceSize=1g -XX:+UseG1GC -XX:ReservedCodeCacheSize=256m -XX:+HeapDumpOnOutOfMemoryError
           kotlin.daemon.jvmargs=-Xmx4g -XX:MaxMetaspaceSize=1g -XX:+UseG1GC -XX:ReservedCodeCacheSize=256m
+          ndkVersion=27.1.12297006
+          systemProp.org.gradle.internal.http.connectionTimeout=30000
+          systemProp.org.gradle.internal.http.socketTimeout=30000
           CI_PROPS
 
           # Verify signing config in app/build.gradle
@@ -159,7 +163,9 @@ jobs:
         run: |
           cd android
           chmod +x gradlew
-          taskset -c 0-7 ./gradlew :app:assembleRelease -PreactNativeArchitectures=arm64-v8a --max-workers=1 -Dkotlin.daemon.jvm.options="-Xmx2g,XX:MaxMetaspaceSize=1g"
+          taskset -c 0-7 ./gradlew :app:assembleRelease -PreactNativeArchitectures=arm64-v8a --max-workers=1 --stacktrace --info -Dkotlin.daemon.jvm.options="-Xmx2g,XX:MaxMetaspaceSize=1g" 2>&1 | tee gradle-build.log
+          echo "===== Last 200 lines of build log ====="
+          tail -n 200 gradle-build.log
 
       - name: Upload APK artifact
         uses: actions/upload-artifact@v3