feat(P15B-1,P15B-6): 完成请假V1闭环

scripts/validate-feature-matrix.py

@@ -26,6 +26,8 @@ CSV_FACT_SOURCES = [
     ROOT / "issues" / "2026-02-11-p11-p12-governance-mobile.csv",
     ROOT / "issues" / "2026-02-12_01-09-41-p13-l5-governance.csv",
     ROOT / "issues" / "2026-02-13_00-11-56-p14-l5-operationalization.csv",
+    ROOT / "issues" / "2026-03-06_14-30-00-p15a-l5-permission-decouple.csv",
+    ROOT / "issues" / "2026-03-06_14-30-00-p15b-l5-leave-v1.csv",
 ]
 
 ID_PATTERN = re.compile(r"^[A-Z][0-9][0-9A-Za-z-]*$")