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-pkg-add

@@ -1,17 +1,27 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-# Add the named packages to the system if they're missing. Returns false if it couldn't be done.
+PKG_NAME="$1"
 
-if nomarchy-pkg-missing "$@"; then
-  sudo pacman -S --noconfirm --needed "$@" || exit 1
+if [ -z "$PKG_NAME" ]; then
+    echo "Usage: nomarchy-pkg-add <package-name>"
+    exit 1
 fi
 
-for pkg in "$@"; do
-  # Secondary check to handle states where pacman doesn't actually register an error
-  if ! pacman -Q "$pkg" &>/dev/null; then
-    echo -e "\033[31mError: Package '$pkg' did not install\033[0m" >&2
-    exit 1
-  fi
-done
+STATE_FILE="$HOME/.config/home-manager/user-packages.json"
+mkdir -p "$(dirname "$STATE_FILE")"
 
-exit 0
+if [ ! -f "$STATE_FILE" ]; then
+    echo "[]" > "$STATE_FILE"
+fi
+
+if jq -e ". | index(\"$PKG_NAME\")" "$STATE_FILE" >/dev/null; then
+    echo "Package $PKG_NAME is already in your user-packages.json"
+    exit 0
+fi
+
+# Append package to the JSON array
+jq ". + [\"$PKG_NAME\"]" "$STATE_FILE" > "${STATE_FILE}.tmp" && mv "${STATE_FILE}.tmp" "$STATE_FILE"
+
+echo "Package $PKG_NAME added declaratively to $STATE_FILE."
+echo "Applying changes with env-update..."
+env-update