tools/battery: a set with a known-wrong reference can be left unscored

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013nW6FNRP1bBJJ8pfHiByAT

tools/battery/README.md

@@ -341,6 +341,8 @@ whole range; the manifest keeps the rule used as `dmin_rule`.
   control), then run `battery.py refs --arm inhouse --write` to fill in `ref` from the
   `CORRECT.LP` beside the input. Without `--write`, `refs` only shows what would change.
   A reference measured by hand goes in `ref_override`, which `refs` leaves alone.
+  A set whose reference is known to be wrong gets `"unscored": "<why>"`: it still runs, but
+  scores `unscored` instead of pass or fail.
 - **Renamed data directories**: `battery.py remap --arm inhouse MAP.json --write`, where
   `MAP.json` is `{"old": "new"}` (renames the set and its directory) or
   `{"old id": {"id": "...", "input": "..."}}`. Each old id is recorded under `aliases` in the

tools/battery/score.py

@@ -159,6 +159,8 @@ def judge(entry, rep, run_note):
         return verdict("fail", "crash", run_note or "no lattice in the report")
     if not ref.get("sgno") or not ref.get("cell"):
         return verdict("unscored", "no_reference", "no reference to score against")
+    if entry.get("unscored"):              # a reference known to be wrong: run, but do not score
+        return verdict("unscored", "reference_problem", entry["unscored"])
 
     vr, edge = lattice_match(r["cell"], space_group(rep.get("SPACE_GROUP_NAME"), r["sgno"]),
                              ref["cell"], space_group(ref.get("sg"), ref["sgno"]))