data: scaffold word deck registry

scripts/validate_registry.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+"""Validate registry.json, source deck JSON, and built package artifacts."""
+
+from __future__ import annotations
+
+import argparse
+from pathlib import Path
+
+from deck_registry import ROOT, validate_registry
+
+
+def parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument(
+        "--root",
+        type=Path,
+        default=ROOT,
+        help="Repository root. Defaults to the parent of scripts/.",
+    )
+    return parser.parse_args()
+
+
+def main() -> int:
+    args = parse_args()
+    errors = validate_registry(args.root.resolve())
+    if errors:
+        for error in errors:
+            print(f"ERROR: {error}")
+        return 1
+    print("registry, sources, and packages are valid")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())