Give the desktop real themes, video wallpapers, and honest titlebars

Appearance now opens on Themes: light and dark side by side, each
remembering its own choice, over galleries of ten shipped themes —
Tokyo Moon and Day joined by Moon Rose, Catppuccin, Nord, Gruvbox and
Everforest in both modes. A theme is a complete palette: the catalog
lives in themes.json, Theme.qml reads every color token from the
active record, and one render pipeline carries it to kitty, tmux,
btop, GTK, Vicinae, Firefox's chrome, and the lock screen. The Theme
editor builds new ones from four wells — wheel, hex, or eyedropper —
with derived surfaces, a saturation slider, debounced fine-tune, and
effects that save with the theme. Custom edits finally keep GNOME's
accent, kitty's border, and hyprlock in sync.

Wallpapers can be video: mpvpaper per output, hardware-decoded, muted
and looped, supervised and respawned. Panama owns the pausing — games,
battery, and a bar pill for right now — because the compositor
rebuilds full-screen blur for every frame a video wallpaper draws.
The lock screen gets a still frame.

Titlebars stop lying. GNOME apps get close-only on your chosen side,
the maximize and double-click settings are gone, the Settings window
obeys the same rules, and its titlebar can be turned off entirely.
Typography becomes five labeled dropdowns instead of a wall of
samples.

Contracts updated and written throughout (165 now); per the redesign
workflow none were executed — the full sweep runs once at the end.

Claude-Session: https://claude.ai/code/session_01Ms2FbjQy31TVf3CEvQhGM8

config/dot/tmux/themes/tokyonight-moon.conf

@@ -1,7 +1,10 @@
 # Tokyo Night Moon for tmux -- the palette Panama ships.
 #
-# Extracted from tmux.conf so the two schemes can be swapped. tmux.conf sources
-# current-theme.conf, which panama-theme-apps generates from one of these.
+# Reference, not the source of the running colours. tmux.conf sources
+# current-theme.conf, which panama-theme-apps RENDERS from the active theme's
+# palette -- so any of the ten themes reaches tmux, not only the two Tokyo
+# Nights. This file used to be copied into that one; it is kept because it is a
+# complete tmux theme somebody may want to source directly.
 #
 # Every color here was already in tmux.conf; this file is that block verbatim.
 

config/dot/tmux/tmux.conf

@@ -18,10 +18,13 @@ bind C-Space send-prefix
 
 # Set status bar
 #set -g status-bg pink
-# Tokyo Night Moon color palette
-# Colors live in themes/ and are generated into current-theme.conf by
-# panama-theme-apps, which regenerates it whenever the desktop color scheme
-# changes. -q so a fresh checkout without the generated file still starts.
+# The active Panama theme.
+# current-theme.conf is RENDERED from that theme's palette by
+# panama-theme-apps, which rewrites it whenever the theme changes. The
+# tokyonight-* files in themes/ are shipped for anyone who wants to source one
+# directly; nothing copies them here any more, because a copied file only ever
+# gave tmux the two Tokyo Nights and none of the other themes.
+# -q so a fresh checkout without the generated file still starts.
 source-file -q "~/.config/tmux/current-theme.conf"
 
 # Increase scrollback buffer