docs/test(P17A-5,P17A-6): 收口采购文档矩阵与回归

scripts/validate-feature-matrix.py

@@ -33,6 +33,7 @@ CSV_FACT_SOURCES = [
     ROOT / "issues" / "2026-03-07_17-14-39-p16c-l5-suppliers.csv",
     ROOT / "issues" / "2026-03-07_18-15-03-r9-g2-p19-roadmap-refresh.csv",
     ROOT / "issues" / "2026-03-07_18-16-00-g2-l5-cross-domain-bridge.csv",
+    ROOT / "issues" / "2026-03-07_19-33-09-p17a-l5-procurement-core.csv",
 ]
 
 ID_PATTERN = re.compile(r"^[A-Z][0-9][0-9A-Za-z-]*$")