diff --git a/src/blackboard/db.py b/src/blackboard/db.py
index 8fa3111..177b5ef 100644
--- a/src/blackboard/db.py
+++ b/src/blackboard/db.py
@@ -351,7 +351,7 @@ _SCHEMA_STATEMENTS = [
         task_id TEXT NOT NULL REFERENCES tasks(id),
         attempt_number INTEGER NOT NULL,
         agent TEXT NOT NULL,
-        outcome TEXT NOT NULL CHECK (outcome IN ('completed','blocked','crashed','timed_out','spawn_failed','reclaimed')),
+        outcome TEXT NOT NULL CHECK (outcome IN ('completed','blocked','crashed','timed_out','spawn_failed','reclaimed','agent_failed','fallback_timeout','gateway_timeout','gateway_unreachable','auth_failed','api_error','compact_failed','lock_conflict','agent_error','compact_hanging','max_monitor_timeouts','session_stuck','max_retries')),
         exit_code INTEGER,
         log_path TEXT,
         summary TEXT,