wezterm: window titlebar; zsh: branch name length

cli/.config/zsh/prompt.zsh

@@ -5,7 +5,7 @@ printf -v PROMPT4 $prompt_fmtn '+%N:%i'
 
 prompt_wt="$USERNAME@$HOST"
 prompt_fifo=~/.zsh_gitstatus_$$
-prompt_blimit=12
+prompt_blimit=50
 typeset -A prompt_symbols=(
     sep_a         $'\ue0b0'
     ellipsis      $'\u2026'

gui/.config/wezterm/wezterm.lua

@@ -28,9 +28,9 @@ cfg.font_size = fn.set_by_os{
 }
 
 -- visuals
-cfg.window_decorations = 'INTEGRATED_BUTTONS|RESIZE'
+cfg.window_decorations = 'RESIZE'
 cfg.xcursor_theme = 'Adwaita'
-cfg.use_fancy_tab_bar = true
+cfg.use_fancy_tab_bar = false
 cfg.hide_tab_bar_if_only_one_tab = false
 cfg.show_new_tab_button_in_tab_bar = false
 cfg.tab_max_width = 128