Update OpenRouter_Agent.py

OpenRouter_Agent.py

@@ -25,7 +25,7 @@ if not OPENROUTER_API_KEY:
 common = dict(
     api_base="https://openrouter.ai/api/v1",
     api_key=OPENROUTER_API_KEY,
-    extra_body={"include": "usage"}
+    extra_body={"usage": {"include": True}}
 )