feat(desktop): workstation polish pack (apparmor, kernel panic, hyprpicker)

modules/home/default.nix

@@ -60,6 +60,7 @@
   home.packages = with pkgs; [
     awww       # wallpaper daemon with animated transitions (the swww fork)
     libnotify
+    hyprpicker
   ];
 
   home.sessionVariables = {

modules/home/keybinds.nix

@@ -54,6 +54,7 @@
     { mods = "$mod CTRL";   key = "P";      action = "exec, nomarchy-menu colorpicker"; desc = "Color picker (→ clipboard)"; }
     { mods = "$mod CTRL";   key = "A";      action = "exec, nomarchy-menu ask";       desc = "Ask Claude"; }
     { mods = "$mod CTRL";   key = "D";      action = "exec, nomarchy-menu dnd";       desc = "Do Not Disturb toggle"; }
+    { mods = "$mod SHIFT";  key = "C";      action = "exec, hyprpicker -a";           desc = "Color picker (→ clipboard)"; }
 
     # Focus — SUPER + arrow keys.
     { mods = "$mod";        key = "left";   action = "movefocus, l";                  desc = "Focus left"; }