Freeze code long context profile v6

runs/frontier-prefill-kvgrowth-fix-v0/build_profile_v5.py

@@ -46,6 +46,10 @@ def parse_args() -> argparse.Namespace:
     parser.add_argument("--output", type=Path, required=True,
                         help="profile-v5-kvgrowth output directory")
     parser.add_argument("--max-model-len", type=int, default=40960)
+    parser.add_argument(
+        "--manifest-schema",
+        default="frontier-profile-v5-kvgrowth-v1",
+    )
     return parser.parse_args()
 
 
@@ -221,7 +225,7 @@ def main() -> None:
         shutil.copy2(args.base / name, args.output / name)
 
     manifest = {
-        "schema": "frontier-profile-v5-kvgrowth-v1",
+        "schema": args.manifest_schema,
         "base": str(base_csv),
         "base_sha256": sha256(base_csv),
         "raw_inputs": {str(p): sha256(p) for p in args.raw},