feat(desktop): overhaul multi-monitor docking UX

modules/home/hyprland.nix

@@ -197,17 +197,35 @@ ${lib.concatStringsSep "\n" (lib.mapAttrsToList
       case "$v" in true|True) return 0 ;; *) return 1 ;; esac
     }
     outputs() { hyprctl monitors all -j 2>/dev/null | jq -r '.[].name' | sort; }
-    prev=$(outputs)
-    while :; do
-      sleep 3
+    
+    check_monitors() {
       cur=$(outputs)
-      [ "$cur" = "$prev" ] && continue
-      prev=$cur
-      [ -n "$cur" ] || continue
-      auto_on || continue
-      target=$(nomarchy-display-profile match $cur) || continue
-      [ "$target" = "$(nomarchy-display-profile active)" ] && continue
-      nomarchy-display-profile apply "$target"
+      [ "$cur" = "$1" ] && return
+      [ -n "$cur" ] || return
+      auto_on || return
+      
+      target=$(nomarchy-display-profile match $cur) || target="base"
+      
+      if [ "$target" = "base" ]; then
+        [ "$(nomarchy-display-profile active)" = "none" ] && return
+        nomarchy-display-profile base
+      else
+        [ "$target" = "$(nomarchy-display-profile active)" ] && return
+        nomarchy-display-profile apply "$target"
+      fi
+      echo "$cur"
+    }
+
+    prev=$(outputs)
+    
+    # Listen to Hyprland's IPC socket for instant hotplug reaction
+    ${pkgs.socat}/bin/socat -U - UNIX-CONNECT:$XDG_RUNTIME_DIR/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock | while read -r line; do
+      case "$line" in
+        monitoradded*|monitorremoved*)
+          res=$(check_monitors "$prev")
+          [ -n "$res" ] && prev="$res"
+          ;;
+      esac
     done
   '';
 

modules/home/keybinds.nix

@@ -61,6 +61,12 @@
     { mods = "$mod";        key = "up";     action = "movefocus, u";                  desc = "Focus up"; }
     { mods = "$mod";        key = "down";   action = "movefocus, d";                  desc = "Focus down"; }
 
+    # Multi-monitor workspace movement — SUPER + ALT + arrow keys.
+    { mods = "$mod ALT";    key = "left";   action = "movecurrentworkspacetomonitor, l"; desc = "Move workspace to left monitor"; }
+    { mods = "$mod ALT";    key = "right";  action = "movecurrentworkspacetomonitor, r"; desc = "Move workspace to right monitor"; }
+    { mods = "$mod ALT";    key = "up";     action = "movecurrentworkspacetomonitor, u"; desc = "Move workspace to upper monitor"; }
+    { mods = "$mod ALT";    key = "down";   action = "movecurrentworkspacetomonitor, d"; desc = "Move workspace to lower monitor"; }
+
     # Screenshots (the menu's Capture module has the rest: OCR, recording).
     # Bare Print → region to clipboard; the two → file binds save a
     # timestamped PNG under ~/Pictures/Screenshots and toast the path, the