add single-file NixOS aspects

Standalone NixOS modules: ai, bluetooth, dev, fwupd, libvirtd,
networkmanager, podman

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

aspects/ai.nix

@@ -0,0 +1,12 @@
+{ ... }:
+{
+  flake.modules.nixos.ai = { inputs, pkgs, ... }: {
+    environment.systemPackages =
+      (with pkgs; [claude-desktop]) ++
+      (with inputs.nix-ai-tools.packages.${pkgs.system}; [
+        claude-code
+        claudebox
+        opencode
+      ]);
+  };
+}

aspects/bluetooth.nix

@@ -0,0 +1,6 @@
+{ ... }:
+{
+  flake.modules.nixos.bluetooth = { config, lib, pkgs, ... }: {
+    hardware.bluetooth.enable = true;
+  };
+}

aspects/dev.nix

@@ -0,0 +1,19 @@
+{ ... }:
+{
+  flake.modules.nixos.dev = { config, lib, pkgs, ... }: {
+    environment.systemPackages = with pkgs; [
+      android-tools
+      bat
+      lazygit
+      fd
+      fzf
+      glow
+      nixfmt
+      nix-init
+      nix-output-monitor
+      ripgrep
+    ];
+
+    users.users.user.extraGroups = [ "adbusers" ];
+  };
+}

aspects/fwupd.nix

@@ -0,0 +1,6 @@
+{ ... }:
+{
+  flake.modules.nixos.fwupd = { config, lib, pkgs, ... }: {
+    services.fwupd.enable = true;
+  };
+}

aspects/libvirtd.nix

@@ -0,0 +1,18 @@
+{ ... }:
+{
+  flake.modules.nixos.libvirtd = { config, lib, pkgs, ... }: {
+    virtualisation = {
+      libvirtd.enable = true;
+      spiceUSBRedirection.enable = true;
+    };
+
+    programs.virt-manager.enable = true;
+
+    networking.firewall.trustedInterfaces = [ "virbr0" ];
+
+    users.users.user.extraGroups = [
+      "libvirt"
+      "libvirtd"
+    ];
+  };
+}

aspects/networkmanager.nix

@@ -0,0 +1,11 @@
+{ ... }:
+{
+  flake.modules.nixos.networkmanager = { config, lib, pkgs, ... }: {
+    networking.networkmanager = {
+      enable = true;
+      wifi.backend = "iwd";
+    };
+
+    users.users.user.extraGroups = [ "networkmanager" ];
+  };
+}

aspects/podman.nix

@@ -0,0 +1,15 @@
+{ ... }:
+{
+  flake.modules.nixos.podman = { config, lib, pkgs, ... }: {
+    virtualisation.podman = {
+      enable = true;
+      autoPrune.enable = true;
+      extraPackages = [ pkgs.podman-compose ];
+    };
+
+    systemd = {
+      services.podman-auto-update.enable = true;
+      timers.podman-auto-update.enable = true;
+    };
+  };
+}