Require user LLM credentials

agent.py

@@ -87,8 +87,8 @@ class BlogOpenapiAgent(A2AAgent):
     llm_provisioning = LLMProvisioning.PLATFORM
     pricing = Pricing(
         price_per_call_usd=0.0,
-        caller_pays_llm=False,
-        notes="Uses a scoped platform LLM grant through ctx.llm.",
+        caller_pays_llm=True,
+        notes="Uses the caller's saved LLM credential through ctx.llm.",
     )
     resources = Resources(cpu="200m", memory="512Mi")
     egress = EgressPolicy(
@@ -118,8 +118,8 @@ class BlogOpenapiAgent(A2AAgent):
             return {
                 "error": "llm_credentials_missing",
                 "final": (
-                    "LLM credentials were not available for this run. Hosted "
-                    "generated OpenAPI agents should receive a platform LLM grant."
+                    "LLM key required. Add an LLM credential in Settings > "
+                    "LLM credentials before running this agent."
                 ),
                 "messages": [],
             }