fix(agent): expose network context

app/api/v1/endpoints/agent_auth.py

@@ -20,6 +20,7 @@ class AgentAuthContextResponse(BaseModel):
     role: str
     is_superuser: bool
     project_id: str
+    network: str
     project_role: str
     token_expires_at: str | None = None
 
@@ -43,6 +44,7 @@ async def get_agent_auth_context(
         role=current_user.role,
         is_superuser=current_user.is_superuser,
         project_id=str(ctx.project_id),
+        network=ctx.project_code,
         project_role=ctx.project_role,
         token_expires_at=token_expires_at,
     )