fix: revert to standalone Home Manager architecture for fast UI updates

core/system/scripts/nomarchy-update

@@ -3,7 +3,7 @@
 # Nomarchy Update Script
 # 1. Updates the flake inputs in the repository
 # 2. Applies system-wide NixOS changes
-# 3. Applies user-level Home Manager changes
+# 3. Applies user-level Home Manager changes (Standalone)
 
 set -e
 
@@ -27,9 +27,9 @@ sudo nix flake update --flake "$REPO_DIR"
 echo "Applying system-level updates..."
 sudo nixos-rebuild switch --flake "$REPO_DIR#default" --impure
 
-# 3. Rebuild Home Environment
+# 3. Rebuild Home Environment (Standalone)
 echo "Applying user-level updates..."
-home-manager switch --flake "$REPO_DIR#default" --impure
+home-manager switch --flake "$REPO_DIR#$USER" --impure
 
 # 4. Commit changes if it's a git repo
 if [ -d "$REPO_DIR/.git" ]; then

features/scripts/utils/nomarchy-env-update

@@ -2,7 +2,7 @@
 
 # Nomarchy Environment Update Script
 # 1. Runs the pre-flight state migration
-# 2. Applies user-level Home Manager changes
+# 2. Applies user-level Home Manager changes (Standalone)
 
 set -e
 
@@ -21,8 +21,8 @@ if command -v nomarchy-preflight-migration >/dev/null 2>&1; then
     nomarchy-preflight-migration
 fi
 
-# Apply changes via nixos-rebuild (since home-manager is integrated as a NixOS module)
+# Apply Home Manager changes from the local flake (Standalone)
-echo "Applying user-level changes from $REPO_DIR using nixos-rebuild..."
+echo "Applying user-level changes from $REPO_DIR#$USER..."
-sudo nixos-rebuild switch --flake "$REPO_DIR#default" --impure
+home-manager switch --flake "$REPO_DIR#$USER" --impure
 
 echo "Environment update complete."

flake.nix

@@ -54,38 +54,21 @@
           "${nixpkgs}/nixos/modules/installer/cd-dvd/installation-cd-graphical-base.nix"
           ./hosts/live-iso.nix
           ./core
-          home-manager.nixosModules.home-manager
           {
             system.stateVersion = "25.11";
-            home-manager.extraSpecialArgs = { inherit inputs; };
-
             services.displayManager.autoLogin.enable = true;
             services.displayManager.autoLogin.user = "nixos";
-
-            home-manager.useGlobalPkgs = false;
-            home-manager.useUserPackages = true;
-            home-manager.users.nixos = {
-              imports = [ ./features ];
-              home.username = "nixos";
-              home.homeDirectory = "/home/nixos";
-              home.stateVersion = "25.11";
-            };
           }
         ];
       };
 
-      # VM for testing graphical installer
+      # Default configuration (VM and testing)
-      installerVm = nixpkgs.lib.nixosSystem {
-        # ... (rest of installerVm)
-      };
-
       default = nixpkgs.lib.nixosSystem {
         specialArgs = { inherit inputs; };
         modules = [
           { nixpkgs.hostPlatform = "x86_64-linux"; }
           ./core/default.nix
           ./core/system/vm-guest.nix
-          home-manager.nixosModules.home-manager
           {
             system.stateVersion = "25.11";
             networking.hostName = "nomarchy";
@@ -103,15 +86,36 @@
 
             services.displayManager.autoLogin.enable = true;
             services.displayManager.autoLogin.user = "nomarchy";
+          }
+        ];
+      };
+    };
 
-            home-manager.useGlobalPkgs = false;
+    homeConfigurations = {
-            home-manager.useUserPackages = true;
+      # Standalone Home Manager configuration for Live ISO
-            home-manager.users.nomarchy = {
+      "nixos" = home-manager.lib.homeManagerConfiguration {
-              imports = [ ./features/default.nix ];
+        pkgs = nixpkgs.legacyPackages.x86_64-linux;
-              home.username = "nomarchy";
+        extraSpecialArgs = { inherit inputs; };
-              home.homeDirectory = "/home/nomarchy";
+        modules = [
-              home.stateVersion = "25.11";
+          ./features
-            };
+          {
+            home.username = "nixos";
+            home.homeDirectory = "/home/nixos";
+            home.stateVersion = "25.11";
+          }
+        ];
+      };
+
+      # Standalone Home Manager configuration for VM testing
+      "nomarchy" = home-manager.lib.homeManagerConfiguration {
+        pkgs = nixpkgs.legacyPackages.x86_64-linux;
+        extraSpecialArgs = { inherit inputs; };
+        modules = [
+          ./features
+          {
+            home.username = "nomarchy";
+            home.homeDirectory = "/home/nomarchy";
+            home.stateVersion = "25.11";
           }
         ];
       };

installer/install.sh

@@ -413,17 +413,19 @@ generate_flake_config() {
         ./hardware-selection.nix
         nomarchy.nixosModules.system
         ./system.nix
-        home-manager.nixosModules.home-manager
+      ];
+    };
+
+    homeConfigurations.@USERNAME@ = home-manager.lib.homeManagerConfiguration {
+      pkgs = nixpkgs.legacyPackages.x86_64-linux;
+      extraSpecialArgs = { inputs = nomarchy.inputs // inputs; };
+      modules = [
+        nomarchy.nixosModules.home
+        ./home.nix
         {
-          home-manager.useGlobalPkgs = true;
+          home.username = "@USERNAME@";
-          home-manager.useUserPackages = true;
+          home.homeDirectory = "/home/@USERNAME@";
-          home-manager.extraSpecialArgs = { inherit inputs; };
+          home.stateVersion = "25.11";
-          home-manager.users.@USERNAME@ = {
-            imports = [ nomarchy.nixosModules.home ./home.nix ];
-            home.username = "@USERNAME@";
-            home.homeDirectory = "/home/@USERNAME@";
-            home.stateVersion = "25.11";
-          };
         }
       ];
     };
@@ -451,6 +453,10 @@ EOF
 
   $impermanence_opt
 
+  environment.systemPackages = with pkgs; [
+    home-manager
+  ];
+
   services.displayManager.autoLogin.enable = true;
   services.displayManager.autoLogin.user = "$USERNAME";