Dotfiles for my macos setup

:wrench: update to GPT-5.4 and adjust agent settings master

- Update Codex and Pi models from gpt-5.3-codex to gpt-5.4 - Switch default provider to openai-codex with gpt-5.4 model - Reduce fast mode thinking level from medium to low - Update changelog version to 0.56.2 - Add gpt-5.4 to enabled models list


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3 changed files