Optimize tmux settings to reduce TUI jitter in Claude Code.

- Change default-terminal from screen-256color to tmux-256color for modern escape sequence passthrough
- Switch terminal-overrides to terminal-features (newer tmux mechanism)
- Add redraw-time 0 to eliminate redraw batching

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: drn

home/tmux.conf

@@ -5,10 +5,12 @@ set -g default-shell $SHELL
 set -g default-command "reattach-to-user-namespace -l ${SHELL}"
 # disable Esc delay
 set -sg escape-time 0
-# set terminal type
-set -g default-terminal "screen-256color"
+# set terminal type (tmux-256color enables modern escape sequence passthrough)
+set -g default-terminal "tmux-256color"
 # enable truecolor terminal support
-set -ag terminal-overrides ',xterm-256color:RGB'
+set -as terminal-features ',xterm-256color:RGB'
+# disable redraw batching for immediate screen updates
+set -g redraw-time 0
 # set history size to 10k
 set -g history-limit 100000
 # Use vim keybindings in copy mode