feat: complete and visually audit the Hyprland workstation

Refresh system/tool pins, install official Element Nightly, expand development tools, and finish desktop workflows with a shared charcoal/gold design. Retain host-specific updates and NixOS recovery generations.

colors.nix

@@ -1,16 +1,19 @@
-# Small shared palette, not a theme framework. Hyprland's native Lua uses the
-# same accent/border colors explicitly; wallpaper.svg is original source art.
+# One Ring: charcoal, old gold, parchment and muted woodland accents.
+# Semantic UI colors are separate from ANSI terminal colors. Consumers substitute
+# these values into native Lua/CSS; there is no runtime theme generator.
 {
-  background = "#161616";
-  surface = "#262626";
-  raised = "#393939";
-  border = "#525252";
-  text = "#f2f4f8";
-  muted = "#a2a9b0";
-  blue = "#78a9ff";
-  cyan = "#3ddbd9";
-  purple = "#be95ff";
-  green = "#42be65";
-  yellow = "#f1c21b";
-  red = "#ff6b7a";
+  background = "#121311";
+  surface = "#1e201b";
+  raised = "#2c3027";
+  border = "#4a5142";
+  selection = "#3a3d2e";
+  text = "#e9e4d5";
+  muted = "#adb2a0";
+  accent = "#c6a664";
+  blue = "#8faeb5";
+  cyan = "#92b8a0";
+  purple = "#b5a5be";
+  green = "#a3b878";
+  yellow = "#d8bb78";
+  red = "#df8b78";
 }