feat(matugen-tmux): add dynamic theme template

Add matugen template to generate tmux theme colors from wallpaper.
Configures catppuccin plugin to use generated mauve and sapphire colors for host and uptime status indicators.

Author: sabertazimi

.github/scripts/verify-dotfiles.sh

@@ -12,6 +12,7 @@ FILES=(
   "$HOME/.config/go/env"
   "$HOME/.config/matugen/config.toml"
   "$HOME/.config/matugen/templates/starship.toml"
+  "$HOME/.config/matugen/templates/tmux.conf"
   "$HOME/.config/mimeapps.list"
   "$HOME/.config/mpv/mpv.conf"
   "$HOME/.config/niri/config.kdl"

dot_config/matugen/config.toml

@@ -3,3 +3,8 @@
 [templates.starship]
 input_path = '~/.config/matugen/templates/starship.toml'
 output_path = '~/.config/starship.toml'
+
+[templates.tmux]
+input_path = '~/.config/matugen/templates/tmux.conf'
+output_path = '~/.config/tmux/theme.conf'
+post_hook = 'tmux source-file ~/.config/tmux/theme.conf'

dot_config/matugen/templates/tmux.conf

@@ -0,0 +1,4 @@
+set -gq @thm_mauve "{{colors.primary_fixed_dim.default.hex}}"
+set -gq @thm_sapphire "{{colors.tertiary.default.hex}}"
+set -gq @catppuccin_host_color "#{@thm_mauve}"
+set -gq @catppuccin_uptime_color "#{@thm_sapphire}"

dot_config/tmux/tmux.conf

@@ -54,6 +54,7 @@ bind % split-window -h -c "#{pane_current_path}"
 bind '"' split-window -v -c "#{pane_current_path}"
 
 # Configure catppuccin plugin
+source-file -q ~/.config/tmux/theme.conf
 set -g @catppuccin_flavor "mocha"
 set -g @catppuccin_status_background "none"
 set -g @catppuccin_window_status_style "custom"