BREAKING CHANGE: `token` attribute of OAuth2Auth credentials used to be a dict containing both access_token and refresh_token, given that may cause confusions, now we replace it with access_token and refresh_token at top level of the auth credentials
PiperOrigin-RevId: 750346172
* Fix typos in docstrings across multiple files: 'conversaction' -> 'conversation' and 'dsiabled' -> 'disabled'. Update comments for clarity.
* Fix typos in comments and docstrings across multiple files
- Corrected "reqeust" to "request" in auth_preprocessor.py
- Fixed "credentails" to "credentials" in auth_tool.py
- Updated "agetn" to "agent" in cli_eval.py
- Changed "creiteria" to "criteria" in cli_tools_click.py
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Co-authored-by: fangyu <fangyu.jobs@gmail.com>
Co-authored-by: Hangfei Lin <hangfei@google.com>
