fix(comments): CMS-2025-0304 is the PFS NPRM (CMS-1832-P), not OPPS (refs #588)

src/rex/comments/classify.py

@@ -141,12 +141,18 @@ CLASSIFY_TOOL = LLMTool(
     },
 )
 
+# Docket ↔ CMS rule identity for the dockets this classifier targets.
+# Verified against the regulations.gov docket abstract (2026-08-12):
+# CMS-2025-0304 is the CY2026 *PFS* NPRM, not the OPPS rule — skin-substitute
+# payment moved into the PFS rule in CY2026.
+DOCKET_RULES: dict[str, str] = {"CMS-2025-0304": "CMS-1832-P"}
+
 _SYSTEM = """\
-You classify public comments submitted on CMS's CY2026 OPPS proposed rule
+You classify public comments submitted on CMS's CY2026 PFS proposed rule
-(CMS-1834-P, docket CMS-2025-0304), specifically regarding the proposal to
+(CMS-1832-P, docket CMS-2025-0304), specifically regarding the proposal to
 reclassify skin substitutes (cellular and tissue-based products, CTPs) from
 drugs/biologicals paid at ASP+6% to incident-to supplies paid a flat packaged
-rate (~$127.28/cm²), replacing Q-codes with C5271–C5278.
+rate, replacing Q-codes with C5271–C5278.
 
 Position semantics:
 - strongly_oppose: wants ASP+6% preserved; rejects reclassification outright

tests/rex/comments/test_classify.py

@@ -150,3 +150,17 @@ class TestClassify:
         provider = _FakeProvider([])
         with pytest.raises(ValueError, match="no classify_comment tool call"):
             classify(provider, "text")
+
+
+def test_docket_rules_maps_cy2026_pfs():
+    from rex.comments.classify import DOCKET_RULES
+
+    assert DOCKET_RULES["CMS-2025-0304"] == "CMS-1832-P"
+
+
+def test_system_prompt_names_the_pfs_rule():
+    from rex.comments.classify import _SYSTEM
+
+    assert "CMS-1832-P" in _SYSTEM
+    assert "CMS-1834-P" not in _SYSTEM
+    assert "PFS proposed rule" in _SYSTEM