Lorenze/emphemeral tracing (#3323)

* for ephemeral traces

* default false

* simpler and consolidated

* keep raising exception but catch it and continue if its for trace batches

* cleanup

* more cleanup

* not using logger

* refactor: rename TEMP_TRACING_RESOURCE to EPHEMERAL_TRACING_RESOURCE for clarity and consistency in PlusAPI; update related method calls accordingly

* default true

* drop print

src/crewai/cli/authentication/token.py

@@ -1,9 +1,13 @@
 from .utils import TokenManager
 
 
+class AuthError(Exception):
+    pass
+
+
 def get_auth_token() -> str:
     """Get the authentication token."""
     access_token = TokenManager().get_token()
     if not access_token:
-        raise Exception("No token found, make sure you are logged in")
+        raise AuthError("No token found, make sure you are logged in")
     return access_token