refactor(binds): app launcher is SUPER+Space only

Drop the duplicate SUPER+D drun bind; menu Apps hint shows SUPER+Space.

README.md

@@ -414,7 +414,7 @@ Something broke anyway? Every rebuild is a generation and (on BTRFS)
 every hour is a snapshot — the undo story, from a bad theme to a
 machine that won't boot, is **[docs/RECOVERY.md](docs/RECOVERY.md)**.
 
-Keybinds: `SUPER+Return` terminal · `SUPER+D` launcher · `SUPER+T` theme
+Keybinds: `SUPER+Return` terminal · `SUPER+Space` launcher · `SUPER+T` theme
 picker · `SUPER+SHIFT+T` next wallpaper · `SUPER+X` power menu ·
 `SUPER+E` file manager (yazi) · `SUPER+N` notifications · `SUPER+CTRL+V`
 clipboard history · `SUPER+SHIFT+C` color picker (hyprpicker) · `SUPER+Q`

docs/ROADMAP.md

@@ -27,7 +27,7 @@ Design/decision records and a running log of shipped work (items marked
     `theme` (SUPER+T) · `clipboard` (cliphist, SUPER+CTRL+V) · `calc`
     (rofi-calc, live, SUPER+CTRL+C) · `files` (fd → xdg-open,
     SUPER+CTRL+F) · `emoji` (rofi-emoji, SUPER+CTRL+E) · `web` (Google).
-    SUPER+D is `rofi -show drun`.
+    SUPER+Space is `rofi -show drun`.
   - ✓ shipped modules: `network` (nmtui in `$TERMINAL`) · `bluetooth`
     (blueman-manager) · `capture` (grim/slurp submenu: region/full →
     clipboard/file, saved to `~/Pictures/Screenshots`) · `keybinds` (the

modules/home/keybinds.nix

@@ -13,8 +13,7 @@
 {
   binds = [
     { mods = "$mod";        key = "Return"; action = "exec, $terminal";              desc = "Open terminal"; }
-    { mods = "$mod";        key = "Space";  action = "exec, rofi -show drun -theme launcher"; desc = "Quick launch (apps)"; }
-    { mods = "$mod";        key = "D";      action = "exec, rofi -show drun -theme launcher"; desc = "App launcher"; }
+    { mods = "$mod";        key = "Space";  action = "exec, rofi -show drun -theme launcher"; desc = "App launcher"; }
     { mods = "$mod";        key = "M";      action = "exec, nomarchy-menu";           desc = "Main menu"; }
     { mods = "$mod";        key = "E";      action = "exec, $terminal -e yazi";       desc = "File manager (yazi)"; }
     { mods = "$mod";        key = "Q";      action = "killactive";                    desc = "Close window"; }

modules/home/rofi.nix

@@ -19,7 +19,7 @@ let
   rasiOverride = cfg.themesDir + "/${t.slug}/rofi.rasi";
   hasRasiOverride = builtins.pathExists rasiOverride;
 
-  # App-launcher theme (SUPER+Space/D → `rofi -show drun -theme launcher`).
+  # App-launcher theme (SUPER+Space → `rofi -show drun -theme launcher`).
   # Kept separate from the base theme so a theme can give the launcher its
   # own layout (e.g. Boreal's icon grid) WITHOUT that layout leaking into
   # the text menus, which share the base theme and need a list. The default