Merge pull request #583 from Beckn-One/580-schema2validator

Issue 551 - fix: ensure script exits on plugin build failure

install/build-plugins.sh

@@ -31,6 +31,7 @@ for plugin in "${plugins[@]}"; do
         echo "✓ Successfully built $plugin plugin"
     else
         echo "✗ Failed to build $plugin plugin"
+        exit 1
     fi
 done