diff --git a/src/blackboard/db.py b/src/blackboard/db.py
index 1f8916d..1534aa7 100644
--- a/src/blackboard/db.py
+++ b/src/blackboard/db.py
@@ -75,23 +75,27 @@ def _connect(db_path: Path) -> sqlite3.Connection:
 
 VALID_STATUSES = frozenset({
     "pending", "claimed", "working", "review",
+    "paused", "escalated", "waiting_human",
     "done", "failed", "blocked", "cancelled",
 })
 
-TERMINAL_STATUSES = frozenset({"done", "cancelled"})
+TERMINAL_STATUSES = frozenset({"done"})
 
 # 手动状态（不参与聚合推导）
-MANUAL_STATUSES = frozenset({"cancelled"})
+MANUAL_STATUSES = frozenset({"cancelled", "paused"})
 
 VALID_TRANSITIONS = {
-    "pending":   {"claimed", "cancelled"},
-    "claimed":   {"working", "pending", "cancelled"},
-    "working":   {"review", "blocked", "failed", "cancelled"},
-    "review":    {"done", "pending", "failed", "cancelled"},
-    "blocked":   {"pending", "cancelled"},
-    "done":      set(),
-    "failed":    {"pending"},
-    "cancelled":  set(),
+    "pending":       {"claimed", "cancelled"},
+    "claimed":       {"working", "paused", "pending", "cancelled"},
+    "working":       {"review", "blocked", "failed", "paused", "escalated", "waiting_human", "cancelled"},
+    "paused":        {"working", "cancelled"},
+    "review":        {"done", "pending", "failed", "escalated", "waiting_human", "cancelled"},
+    "blocked":       {"pending", "escalated", "cancelled"},
+    "failed":        {"pending", "escalated", "cancelled"},
+    "escalated":     {"working", "pending", "cancelled"},
+    "waiting_human": {"working", "done", "cancelled"},
+    "done":          set(),
+    "cancelled":     set(),
 }
 
 COMMENT_TYPES = frozenset({