Update tmux binding

.config/shell/.env

@@ -1,35 +0,0 @@
-OPENROUTER_API_KEY=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
-OPENROUTER_API_BASE=https://openrouter.ai/api
-
-AIHUBMIX_API_KEY=sk-0ArIwI5NaUF1U1Z6F9D9CeF8C155436bA7E8A8107cFf7f7b
-AIHUBMIX_API_BASE=https://aihubmix.com/api
-
-#COPILOT_API_KEY=ghu_XOB0IcwvOBthQxxZea0EBhZHjn0aBW17UHml
-#COPILOT_API_BASE=https://api.githubcopilot.com
-COPILOT_API_KEY=
-COPILOT_API_BASE=
-
-DEFAULT_OPENAI_API_KEY=${OPENROUTER_API_KEY}
-DEFAULT_OPENAI_API_BASE=${OPENROUTER_API_BASE}
-# DEFAULT_AI_MODEL=openai/gpt-5.2-codex
-DEFAULT_AI_MODEL=auto
-
-REASONING_OPENAI_API_KEY=${OPENROUTER_API_KEY}
-REASONING_OPENAI_API_BASE=${OPENROUTER_API_BASE}
-#REASONING_MODEL=openai/gpt-5.1-codex
-# REASONING_MODEL=moonshotai/kimi-k2-thinking
-REASONING_MODEL=anthropic/claude-opus-4.6
-
-FAST_OPENAI_API_KEY=${OPENROUTER_API_KEY}
-FAST_OPENAI_API_BASE=${OPENROUTER_API_BASE}
-FAST_MODEL=qwen/qwen3-max
-
-COMPLETION_OPENAI_API_KEY=${OPENROUTER_API_KEY}
-COMPLETION_OPENAI_API_BASE=${OPENROUTER_API_BASE}
-COMPLETION_MODEL=google/gemini-3-flash-preview
-# COMPLETION_MODEL=anthropic/claude-3-haiku
-
-OPENAI_API_KEY=${DEFAULT_OPENAI_API_KEY}
-OPENAI_API_BASE=${DEFAULT_OPENAI_API_BASE}
-AIDER_OPENAI_API_KEY=${DEFAULT_OPENAI_API_KEY}
-AIDER_OPENAI_API_BASE=${DEFAULT_OPENAI_API_BASE}

.config/tmux/tmux.conf

@@ -105,7 +105,6 @@ bind -n C-M-S-Right resize-pane -R 5
 # Window navigation
 bind r command-prompt -I "#W" "rename-window -- '%%'"
 bind c new-window -c "#{pane_current_path}"
-bind x kill-window
 
 bind -n M-1 select-window -t 1
 bind -n M-2 select-window -t 2