diff --git a/.gitea/ai-review/findings.json b/.gitea/ai-review/findings.json
index fe51488..be41518 100644
--- a/.gitea/ai-review/findings.json
+++ b/.gitea/ai-review/findings.json
@@ -1 +1,9 @@
-[]
+[
+  {
+    "level": "warning",
+    "role": "Assassin",
+    "location": "app/usage.test.js",
+    "problem": "`extractUsage` 對不預期 payload 僅返回 `null`，過度信任 API 回應結構，可能導致計費或配額相關監控被繞過。",
+    "suggestion": "增加嚴格結構驗證（Schema Validation），異常時應明確記錄並標示，而非默默忽略。"
+  }
+]