feat: add evaluation manifest CLI

Author: ReverseZoom2151

pyproject.toml

@@ -51,6 +51,7 @@ gamengen-train = "src.diffusion.train:main"
 gamengen-dino = "src.agent.train_dqn:main"
 gamengen-doom = "src.agent.train_ppo_doom:main"
 gamengen-cache-latents = "src.diffusion.latent_cache:main"
+gamengen-create-eval-manifest = "src.utils.evaluation_manifest:main"
 
 [tool.setuptools.packages.find]
 include = ["gamengen", "src*"]

src/utils/evaluation_manifest.py

@@ -4,6 +4,7 @@
 
 import hashlib
 import json
+import argparse
 from pathlib import Path
 
 from src.utils.data_recorder import load_npz_shard, shard_checksum
@@ -49,3 +50,13 @@ def validate_evaluation_manifest(path: str | Path, data_dir: str | Path) -> dict
         if shard_checksum(Path(data_dir) / name) != expected:
             raise ValueError(f"evaluation source checksum mismatch: {name}")
     return payload
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(description="Create a checksum-bound GameNGen evaluation manifest")
+    parser.add_argument("--data-dir", required=True)
+    parser.add_argument("--output", required=True)
+    parser.add_argument("--limit", type=int)
+    args = parser.parse_args()
+    path = create_evaluation_manifest(args.data_dir, args.output, limit=args.limit)
+    print(f"Wrote immutable evaluation manifest: {path}")