chore: 更新 zshrc 和 tmux 配置

- tmux 开启 focus-events 支持 shell integration (claude code, vim)
- cc alias 添加 --permission-mode auto 参数

.tmux.conf

@@ -1,5 +1,7 @@
 # ==== Common ====
 set -g default-command /bin/zsh
+# enable focus events for shell integration (claude code, vim, etc.)
+set -g focus-events on
 # rebind PREFIX to C-a
 set-option -g prefix C-a
 

.zshrc

@@ -126,7 +126,7 @@ alias sed='gsed'
 alias grep='ggrep'
 alias tailscale="/Applications/Tailscale.app/Contents/MacOS/Tailscale"
 alias ghostty='/Applications/Ghostty.app/Contents/MacOS/ghostty'
-alias cc='claude'
+alias cc='claude --permission-mode auto'
 alias oc='opencode'