chore(config): update terminal, tmux, and starship configurations

dot_config/tmux/executable_tab-label.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+# ~/.config/tmux/tab-label.sh — the non-editor tab label, kitty tab_bar.py's
+# rule: the repo the pane's cwd belongs to (dir name if no repo, ~ at home).
+# Editors (the open file) are handled in tmux.conf's automatic-rename-format.
+# Args: $1 pane_current_path  $2 window_id
+
+path=$1 window=$2
+
+if [[ $path == "$HOME" ]]; then
+    label='~'
+else
+    dir=$path
+    while [[ -n $dir && ! -e $dir/.git ]]; do dir=${dir%/*}; done
+    root=${dir:-$path}
+    label=${root##*/}
+fi
+printf '%s' "$label"
+
+# tmux runs #() jobs async and only re-checks a window's name on pane output,
+# so after a `cd` the tab would keep the old label until the next keystroke.
+# Re-arming automatic-rename makes tmux re-check now and pick up this output.
+if [[ -n $window && $(tmux display -p -t "$window" '#W' 2>/dev/null) != *"${label:0:26}"* ]]; then
+    tmux set -w -t "$window" automatic-rename on >/dev/null 2>&1 &
+fi

dot_config/tmux/tmux-nerd-font-window-name.yml

@@ -1,14 +1,14 @@
 config:
-  fallback-icon: "\U000F08D9" # show when no definition is found
+  fallback-icon: "󰣙" # show when no definition is found
   multi-pane-icon: "" # show when window has multiple panes (blank by default)
-  show-name: true # show the window name with the icon (defaults to false)
+  show-name: false # the label comes from automatic-rename-format in tmux.conf (cwd, as in kitty)
   icon-position: "left" # show the icon to the "left" or "right" of the window name (defaults to left)
 icons:
-  mprocs: "\U000F012A"
+  mprocs: "󰄪"
   mm: ""
   macmon: ""
   make: ""
-  zsh: "\U000F07B7"
+  zsh: "󰞷"
   nvim: ""
   devbox: ""
   psql: ""
@@ -16,11 +16,11 @@ icons:
   lazygit: ""
   gh: ""
   tv: ""
-  docker: "\U000F0868"
+  docker: "󰡨"
   bun: ""
   node: ""
   npm: ""
   pnpm: ""
   go: ""
-  bunx: "\U000F012A"
+  bunx: "󰄪"
   claude: "󱜙"

dot_config/tmux/tmux.conf

@@ -3,6 +3,10 @@ set -g prefix C-Space
 set -g prefix2 C-b
 bind -N "Send prefix" C-Space send-prefix
 
+set-option -g renumber-windows on
+set -g base-index 1
+setw -g pane-base-index 1
+
 # Config and help
 bind -N "Reload configuration" q source-file ~/.config/tmux/tmux.conf \; display "Configuration reloaded"
 bind -N "Show Tmux keybindings" ? display-popup -E -w 80% -h 70% -T "Tmux keybindings" "omarchy-menu-tmux-keybindings --print | less -R"
@@ -11,6 +15,7 @@ bind -N "Show Tmux keybindings" ? display-popup -E -w 80% -h 70% -T "Tmux keybin
 setw -g mode-keys vi
 bind -N "Begin selection" -T copy-mode-vi v send -X begin-selection
 bind -N "Copy selection" -T copy-mode-vi y send -X copy-selection-and-cancel
+bind -N "Search scrollback" / copy-mode \; command-prompt -p "search up:" "send -X search-backward '%%'"
 
 # Pane Controls
 bind -N "Split pane vertically" -n M-Enter split-window -v -c "#{pane_current_path}"
@@ -26,6 +31,23 @@ bind -N "Focus pane right" -n C-M-Right select-pane -R
 bind -N "Focus pane up" -n C-M-Up select-pane -U
 bind -N "Focus pane down" -n C-M-Down select-pane -D
 
+# ctrl+h/j/k/l: vim-aware pane navigation, the tmux half of nvim's
+# config.pane_nav. In an nvim/vim/fzf pane the key is forwarded so nvim moves
+# between its own splits and, at its outer edge, hands off with
+# `tmux select-pane -t $TMUX_PANE`; elsewhere tmux moves directly. "Is vim" is
+# smart-splits' @pane-is-vim pane option or the pane's foreground command, read
+# as a format (no ps fork per keypress). Ghostty passes these keys through
+# (keybind = clear); prefix + ctrl+l is the clear-screen escape hatch.
+bind -N "Focus pane left (vim-aware)" -n C-h if -F '#{||:#{@pane-is-vim},#{m/r:^(n?vim|vim|fzf)$,#{pane_current_command}}}' 'send-keys C-h' 'select-pane -L'
+bind -N "Focus pane down (vim-aware)" -n C-j if -F '#{||:#{@pane-is-vim},#{m/r:^(n?vim|vim|fzf)$,#{pane_current_command}}}' 'send-keys C-j' 'select-pane -D'
+bind -N "Focus pane up (vim-aware)" -n C-k if -F '#{||:#{@pane-is-vim},#{m/r:^(n?vim|vim|fzf)$,#{pane_current_command}}}' 'send-keys C-k' 'select-pane -U'
+bind -N "Focus pane right (vim-aware)" -n C-l if -F '#{||:#{@pane-is-vim},#{m/r:^(n?vim|vim|fzf)$,#{pane_current_command}}}' 'send-keys C-l' 'select-pane -R'
+bind -N "Focus pane left" -T copy-mode-vi C-h select-pane -L
+bind -N "Focus pane down" -T copy-mode-vi C-j select-pane -D
+bind -N "Focus pane up" -T copy-mode-vi C-k select-pane -U
+bind -N "Focus pane right" -T copy-mode-vi C-l select-pane -R
+bind -N "Clear screen" C-l send-keys C-l
+
 bind -N "Resize pane left" -n C-M-S-Left resize-pane -L 5
 bind -N "Resize pane down" -n C-M-S-Down resize-pane -D 5
 bind -N "Resize pane up" -n C-M-S-Up resize-pane -U 5
@@ -71,10 +93,18 @@ set -g renumber-windows on
 set -g history-limit 50000
 set -g escape-time 0
 set -g focus-events on
+# Yazi inside tmux: OSC 52 clipboard, image passthrough, and the outer
+# TERM/TERM_PROGRAM so yazi detects Ghostty/kitty graphics. Never bind M-[:
+# tmux would eat the ESC [ of yazi's terminal-query replies.
 set -g set-clipboard on
 set -g allow-passthrough on
+set -ga update-environment TERM
+set -ga update-environment TERM_PROGRAM
 setw -g aggressive-resize on
-set -g detach-on-destroy off
+# Killing a session switches only to a *detached* one, else detaches: with
+# one session per Ghostty window, `off` would land on (and mirror) a session
+# another window is showing.
+set -g detach-on-destroy no-detached
 set -g extended-keys on
 set -g extended-keys-format csi-u
 set -ag terminal-features "xterm-kitty:extkeys"
@@ -88,28 +118,83 @@ set -g status-left-length 30
 set -g status-right-length 50
 set -g window-status-separator ""
 set -gw automatic-rename on
-set -gw automatic-rename-format '#{b:pane_current_path}'
+# #{window_icon} is filled in by tmux-nerd-font-window-name (icons from
+# tmux-nerd-font-window-name.yml); the label follows kitty's tab_bar.py. An
+# editor shows the file from the title nvim sets ("<file> | <org/repo>", see
+# nvim's astrocore custom_title), read straight from #{pane_title} so a buffer
+# switch renames the tab at once; otherwise tab-label.sh prints the repo of the
+# pane's cwd (an async #() job; it re-arms automatic-rename when the tab is
+# stale, so a `cd` relabels without waiting for more pane output).
+set -gw automatic-rename-format '#{window_icon} #{=/27/…:#{?#{&&:#{m/r:^(n?vim|vim|nvim-qt|hx|helix)$,#{pane_current_command}},#{m/r:^[^/|]+ \| ,#{pane_title}}},#{s/ \| .*$//:pane_title},#(~/.config/tmux/tab-label.sh #{q:pane_current_path} #{window_id})}}'
 set -g set-titles on
 set -g set-titles-string '#h:#W'
 
-# Theme
-set -g status-style "bg=default,fg=default"
-set -g status-left "#[fg=black,bg=blue,bold] #S #[bg=default] "
-set -g status-right "#[fg=blue]#{?pane_in_mode,COPY ,}#{?client_prefix,PREFIX ,}#{?window_zoomed_flag,ZOOM ,}#[fg=brightblack]#h "
-set -g window-status-format "#[fg=brightblack] #I:#W "
-set -g window-status-current-format "#[fg=blue,bold] #I:#W "
+# Theme — kitty's powerline/angled tab bar (kitty.conf + the Omarchy kitty
+# template): the current window is an accent-tinted plate with the accent as
+# its text, the rest sit flush with the background in muted text. Colors are
+# cyberdream defaults, overridden per Omarchy theme by tmux.conf rendered from
+# ~/.config/omarchy/themed/tmux.conf.tpl.
+set -g @tab-bg "#16181a"
+set -g @tab-fg "#7b8496"
+set -g @tab-active-bg "#243348"
+set -g @tab-active-fg "#5ea1ff"
+source-file -q ~/.local/state/omarchy/current/theme/tmux.conf
+
+set -g status-style "bg=default,fg=#{@tab-fg}"
+# bg=default inside a tab format means "the window-status-*-style bg", not the
+# terminal's, so these must stay default for the tabs to be transparent. Set
+# explicitly: a config reload never clears a value a removed plugin left
+# behind (tmux-dotbar painted window-status-style bg=#0B0E14).
+set -g window-status-style default
+set -g window-status-current-style default
+set -g window-status-last-style default
+set -g window-status-activity-style default
+set -g window-status-bell-style default
+# Tabs start right after the session pill (status-justify left; a reload
+# would otherwise keep a stale value such as dotbar's absolute-centre), and
+# the pill's arrow points into the first tab's plate.
+set -g status-justify left
+set -g status-left "#[fg=#{@tab-bg},bg=#{@tab-active-fg},bold] #S #[fg=#{@tab-active-fg},nobold]#{?#{==:#{active_window_index},#{base-index}},#[bg=#{@tab-active-bg}],#[bg=default]}"
+set -g status-right "#[fg=#{@tab-active-fg}]#{?pane_in_mode,COPY ,}#{?client_prefix,PREFIX ,}#{?window_zoomed_flag,ZOOM ,}#[fg=#{@tab-fg}]#h "
+# Inactive tabs are bg=default so the terminal's transparency shows through,
+# as in kitty (tab_bar_background none). kitty's separator rule: a solid
+#  into a differently colored neighbour, thin  between two inactive
+# tabs, none after the last. The arrow into the current tab is painted in
+# @tab-bg, the window background; Ghostty's background-opacity-cells gives it
+# the same opacity as the window, so it is indistinguishable from it. (Plain
+#  is one of Ghostty's built-in sprites and fills the whole cell even
+# with adjust-cell-height; inverse glyphs such as  come from the font
+# and leave gaps.)
+set -g window-status-format "#[fg=#{@tab-fg},bg=default] #I #W #{?next_window_active,#[fg=#{@tab-bg}#,bg=#{@tab-active-bg}],#{?window_end_flag,,}}"
+set -g window-status-current-format "#[fg=#{@tab-active-fg},bg=#{@tab-active-bg},bold] #I #W #[fg=#{@tab-active-bg},bg=default,nobold]"
 set -g pane-border-style "fg=brightblack"
-set -g pane-active-border-style "fg=blue"
-set -g message-style "bg=default,fg=blue"
-set -g message-command-style "bg=default,fg=blue"
-set -g mode-style "bg=blue,fg=black"
+set -g pane-active-border-style "fg=#{@tab-active-fg}"
+set -g message-style "bg=default,fg=#{@tab-active-fg}"
+set -g message-command-style "bg=default,fg=#{@tab-active-fg}"
+set -g mode-style "bg=#{@tab-active-bg},fg=#{@tab-active-fg}"
 setw -g clock-mode-colour blue
 
 # Plugins (tpm, cloned by .chezmoiexternal.toml). prefix + I installs,
 # prefix + U updates, prefix + alt + u removes unlisted ones.
 set -g @plugin 'tmux-plugins/tpm'
 set -g @plugin 'tmux-plugins/tmux-sensible'
-set -g @plugin 'vaaleyard/tmux-dotbar'
+set -g @plugin 'joshmedeski/tmux-nerd-font-window-name'
+set -g @plugin 'tmux-plugins/tmux-resurrect'
+set -g @plugin 'tmux-plugins/tmux-continuum'
+set -g @plugin 'omerxx/tmux-sessionx'
+
+# sessionx: fuzzy session switcher/creator on prefix + o (Ghostty
+# ctrl+shift+o). A query with no match goes to zoxide; uses fzf --tmux.
+set -g @sessionx-bind 'o'
+set -g @sessionx-zoxide-mode 'on'
+set -g @sessionx-fzf-builtin-tmux 'on'
+
+# Persistence: continuum saves every 10 min (resurrect: prefix + C-s save,
+# prefix + C-r restore) and restores the last save when the server starts,
+# i.e. the first Ghostty window after login or reboot.
+set -g @resurrect-capture-pane-contents 'on'
+set -g @continuum-save-interval '10'
+set -g @continuum-restore 'on'
 
 # Keep at the very bottom.
 run '~/.config/tmux/plugins/tpm/tpm'