docs(R10): 刷新后置流路线图并建档阶段 P19-P21 执行合同

scripts/validate-feature-matrix.py

@@ -42,6 +42,7 @@ CSV_FACT_SOURCES = [
     ROOT / "issues" / "2026-03-08_14-10-53-p19-erp-1-l5-masterdata-journal-bridge.csv",
     ROOT / "issues" / "2026-03-08_22-46-51-p19-erp-2-l5-procurement-commitment-archive.csv",
     ROOT / "issues" / "2026-03-09_00-10-00-p19-erp-3-l5-asset-ledger-summary.csv",
+    ROOT / "issues" / "2026-03-09_10-15-00-r10-post-erp3-roadmap-refresh.csv",
 ]
 
 ID_PATTERN = re.compile(r"^[A-Z][0-9][0-9A-Za-z-]*$")