better mod file artifact upload testing

.github/workflows/build.yml

@@ -72,6 +72,28 @@ jobs:
           name: build-artifacts
           path: versions/*/build/libs/
 
+      - name: Collect production mod files
+        run: |
+          shopt -s extglob
+          for jar in build-artifacts/*/build/libs/!(*-@(dev|sources|shadow)).jar; do
+              if [[ -f "$jar" ]]; then
+                  cp -p "$jar" output/
+              fi
+          done
+          ls -l output
+
+      - name: Upload mod.jar 1
+        uses: actions/upload-artifact@v4
+        with:
+          name: built-mods
+          path: build-artifacts/*/build/libs/!(*-@(dev|sources|shadow)).jar
+
+      - name: Upload mod.jar 2
+        uses: actions/upload-artifact@v4
+        with:
+          name: built-mods-2
+          path: output/*.jar
+
 #      # [FEATURE] FALLENS_MAVEN
 #      - name: Publish with gradle
 #        if: inputs.release || github.ref == 'refs/heads/dev'