Bootstrap Warium NeoForge port scaffold

tools/check_required_integrations.py

@@ -0,0 +1,25 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from warium_source import ROOT
+
+
+def main() -> None:
+    required_private = [
+        ROOT / "ci" / "required-mods" / "wariumapi-neoforge-1.21.1.jar",
+        ROOT / "ci" / "required-mods" / "wariumvs-neoforge-1.21.1.jar",
+    ]
+    missing = [path for path in required_private if not path.exists()]
+    if missing:
+        print("Required private integration jars are not present yet:")
+        for path in missing:
+            print(f"- {path}")
+        print("The built jar includes private compatibility shim mod metadata for wariumapi and wariumvs.")
+        print("Replace the shims with real jars when NeoForge 1.21.1 artifacts are available.")
+    else:
+        print("Required private integration jars are present.")
+
+
+if __name__ == "__main__":
+    main()