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

installer/install-nomarchy.sh

@@ -155,7 +155,7 @@ cat <<EOF > /mnt/etc/nixos/flake.nix
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
-    nomarchy.url = "github:yourusername/nomarchy"; # UPDATE THIS to point to your repo
+    nomarchy.url = "path:./nomarchy"; # Offline bundled nomarchy
     
     nixos-hardware.url = "github:NixOS/nixos-hardware/master";
     home-manager = {
@@ -206,7 +206,12 @@ cat <<EOF > /mnt/etc/nixos/flake.nix
 }
 EOF
 
-# 7. Version Control
+# 7. Copy Bundled Flake
+echo "Copying bundled upstream Nomarchy flake..."
+cp -rL /etc/nomarchy /mnt/etc/nixos/nomarchy
+chmod -R u+w /mnt/etc/nixos/nomarchy
+
+# 8. Version Control
 cd /mnt/etc/nixos/
 git init
 git add .
@@ -214,5 +219,5 @@ git config user.name "Nomarchy Installer"
 git config user.email "installer@nomarchy"
 git commit -m "Initial Nomarchy generation"
 
-# 8. Execution
+# 9. Execution
 nixos-install --flake /mnt/etc/nixos#default --no-root-passwd