feat: implement modular foundation and core system services

- Update flake.nix with 25.11 release and core inputs
- Add dedicated modules for audio (Pipewire), bluetooth, and networking
- Update GEMINI.md with the new Modular Merging Architecture blueprint
- Configure graphical installer ISO and test VM outputs

bin/nomarchy-hyprland-window-gaps-toggle

@@ -1,15 +1,27 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-# Toggles the window gaps globally between no gaps and the default 10/5/2.
+# Toggles the window gaps globally between no gaps and the default 10/5/2, declaratively and instantly.
 
-gaps=$(hyprctl getoption general:gaps_out -j | jq -r '.custom' | awk '{print $1}')
+STATE_FILE="$HOME/.config/home-manager/hyprland-state.json"
+mkdir -p "$(dirname "$STATE_FILE")"
+
+if [ ! -f "$STATE_FILE" ]; then
+    echo '{"gaps_out": 10, "gaps_in": 5, "border_size": 2}' > "$STATE_FILE"
+fi
+
+gaps=$(jq -r '.gaps_out' "$STATE_FILE")
 
 if [[ $gaps == "0" ]]; then
+  NEW_STATE='{"gaps_out": 10, "gaps_in": 5, "border_size": 2}'
   hyprctl keyword general:gaps_out 10
   hyprctl keyword general:gaps_in 5
   hyprctl keyword general:border_size 2
 else
+  NEW_STATE='{"gaps_out": 0, "gaps_in": 0, "border_size": 0}'
   hyprctl keyword general:gaps_out 0
   hyprctl keyword general:gaps_in 0
   hyprctl keyword general:border_size 0
 fi
+
+echo "$NEW_STATE" > "$STATE_FILE"
+echo "Toggled gaps to $NEW_STATE declaratively."