Add project premium status check in V3Client authentication response

Author: Dwij1704

agentops/client/api/versions/v3.py

@@ -8,6 +8,7 @@
 from agentops.client.api.types import AuthTokenResponse
 from agentops.exceptions import ApiServerException
 from agentops.logging import logger
+from termcolor import colored
 
 
 class V3Client(BaseApiClient):
@@ -47,6 +48,15 @@ def fetch_auth_token(self, api_key: str) -> AuthTokenResponse:
             if not token:
                 raise ApiServerException("No token in authentication response")
 
+            # Check project premium status
+            if jr.get("project_prem_status") != "pro":
+                logger.info(
+                    colored(
+                        "\x1b[34mYou're on the agentops free plan 📎 - Upgrade at https://app.agentops.ai/settings/billing\x1b[0m",
+                        "blue",
+                    )
+                )
+
             return jr
         except Exception as e:
             logger.error(f"Failed to process authentication response: {str(e)}")