Merge pull request #8 from k1LoW/add-extra-credits

chore: append _EXTRA_CREDITS to CREDITS

chore: add claude-agent-sdk-python license to CREDITS via _EXTRA_CREDITS

Merge pull request #7 from k1LoW/tagpr-from-v0.2.0

[tagpr] update CHANGELOG.md

[tagpr] prepare for the next release

Merge pull request #6 from k1LoW/with-tools

feat: add WithTools functional option for base tool set

Merge pull request #4 from k1LoW/tagpr-from-v0.1.0

[tagpr] update CHANGELOG.md

[tagpr] prepare for the next release

Merge pull request #5 from k1LoW/add-answer-user-questions

test: verify OnAskUserQuestion callback is actually invoked

refactor: rename Question.Question to Question.Text and improve docs

fix: return error instead of implicit allow when OnToolUse is nil