test: verify signed commit

Update

Switch to SSH-based commit signing and disable delta/difft pagers

Update afx, ghostty, and zsh configs

Update shell configs, ghostty, and tmux settings

Add enter config, docker abbreviation, and shell tool initializations

Update

Update

Refactor tmux.conf for improved readability and modern syntax

Refactor tmux path script to use flag-based argument parsing

Add tfenv and lazygit config to gitignore

Translate tmux-bin README from Japanese to English

Add README for tmux-bin utilities and clean up kube script output

Comment out Kubernetes context plugin settings in tmux

Add tmux-kube script for Kubernetes context display