[BUG] "role_playing_with_claude" cannot execute properly.

[Asher-hss]

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What version of camel are you using?

0.2.13

System information

None

Problem description

Testing revealed that the invocation method for token_counter and related functions in Claude has changed, requiring verification.

Reproducible example code

The Python snippets:

Command lines:

Extra dependencies:

Steps to reproduce:

Traceback

No response

Expected behavior

No response

Additional context

No response