GitLab

* add OpenAI like tool_choice for named choice

* add tests

* fix: run linter and bump api docs

* fix: consolidate changes and remove old tool type

* feat: improve, simplify and rename tool choice struct add required support and refactor

* fix: simplify tool choice logic, improve tests, openapi and rust docs

* fix: refactor away prepare_chat_input and improve tool grammar apply control flow

* feat: update docs and add tool choice configuration section

* fix: simplify naming, tool choice default and improve test

* fix: adjust tool choice none logic, add test and small refactors

* fix: add missing snapshot file

* fix: adjust tool choice type in test

* fix: adjust default when json tool choice is

* fix: remove trailing space lint after rebase

* fix: remove mostly mocked unit test

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Co-authored-by: Linus Bierhoff <linus.bierhoff@icloud.com>