diff --git a/src/blackboard/db.py b/src/blackboard/db.py
index 6f76261..3a6d35e 100644
--- a/src/blackboard/db.py
+++ b/src/blackboard/db.py
@@ -173,6 +173,7 @@ VALID_STATUSES = frozenset({
     "pending", "claimed", "working", "review",
     "paused", "escalated", "waiting_human",
     "done", "failed", "blocked", "cancelled",
+    "reviewing",
 })
 
 TERMINAL_STATUSES = frozenset()  # v3.1: 无终态，全靠 VALID_TRANSITIONS 校验