Transform flake to dendritic pattern (den + import-tree)

flake.nix

@@ -194,37 +194,11 @@
 
     nixpkgs.follows = "unstable";
 
+    den.url = "github:vic/den";
+    import-tree.url = "github:vic/import-tree";
+
   };
-  outputs =
-    inputs@{
-      self,
-      flake-parts,
-      ...
-    }:
-    flake-parts.lib.mkFlake { inherit inputs; } (
-      top@{
-        config,
-        withSystem,
-        moduleWithSystem,
-        ...
-      }:
-      {
-        imports = [
-          # Optional: use external flake logic, e.g.
-          # inputs.foo.flakeModules.default
-          ./flake
-          inputs.nix-topology.flakeModule
-        ];
-        systems = [
-          # systems for which you want to build the `perSystem` attributes
-          "aarch64-darwin"
-          "x86_64-linux"
-          "aarch64-linux"
-          # ...
-        ];
-
-      }
-    );
+  outputs = inputs: inputs.flake-parts.lib.mkFlake { inherit inputs; } (inputs.import-tree ./flake);
   nixConfig = {
     extra-substituters = [
       "https://nixos-raspberrypi.cachix.org"

flake/_dev/default.nix

@@ -0,0 +1,4 @@
+{ inputs, ... }:
+{
+
+}

flake/aspects/auscyber.nix

@@ -0,0 +1,34 @@
+{ den, ... }:
+let
+  # Enable <angle-bracket> syntax for den aspect references in this file.
+  __findFile = den.lib.__findFile;
+in
+{
+  den.aspects.auscyber = {
+    # Base home-manager configuration shared across all hosts where auscyber
+    # lives.  Per-host additions are delivered by each host's provides.auscyber
+    # (see e.g. flake/aspects/auspc.nix).
+    homeManager =
+      { pkgs, ... }:
+      {
+        home = {
+          username = "auscyber";
+          homeDirectory = "/home/auscyber";
+        };
+        programs.home-manager.enable = true;
+      };
+
+    # Feature aspects included for all auscyber homes (Linux hosts).
+    includes = [
+      <shell>
+      <editors>
+      <browsers>
+      <terminal>
+      <gpg>
+      <keybinds>
+      <media>
+      <languages>
+      <wm-linux>
+    ];
+  };
+}

flake/aspects/auspc.nix

@@ -0,0 +1,15 @@
+{ ... }:
+{
+  den.aspects.auspc = {
+    # NixOS configuration for the auspc host.
+    nixos = { ... }: {
+      imports = [ ../../systems/x86_64-linux/auspc ];
+    };
+
+    # Per-host home-manager additions for auscyber on auspc, delivered via
+    # the mutual-provider battery (host.provides.user).
+    provides.auscyber = { ... }: {
+      homeManager.imports = [ (../../homes/x86_64-linux + "/auscyber@auspc") ];
+    };
+  };
+}

flake/aspects/bootlogo.nix

@@ -0,0 +1,18 @@
+{ den, ... }:
+{
+  # ── Boot logo aspect ──────────────────────────────────────────────────────────
+  # NixOS: Plymouth boot splash screen.
+  # Include in a host aspect to enable a graphical boot screen.
+  den.aspects.bootlogo = {
+    nixos =
+      { config, lib, ... }:
+      {
+        options.auscybernix.bootlogo.enable =
+          lib.mkEnableOption "AusCyberNix plymouth boot logo";
+
+        config = lib.mkIf config.auscybernix.bootlogo.enable {
+          boot.plymouth.enable = true;
+        };
+      };
+  };
+}

flake/aspects/browsers.nix

@@ -0,0 +1,143 @@
+{ den, ... }:
+{
+  # ── Browsers aspect ───────────────────────────────────────────────────────────
+  # Home-manager: Zen browser (privacy-focused Firefox fork), Helium browser.
+  # Include in a user aspect; enable individual browsers via option flags.
+  den.aspects.browsers = {
+    homeManager =
+      { config, lib, pkgs, ... }:
+      let
+        cfgZen = config.auscybernix.browsers.zen-browser;
+        cfgHelium = config.auscybernix.browsers.helium;
+        stdenv = pkgs.stdenv;
+        policies = {
+          DisableAppUpdate = true;
+          DisableTelemetry = true;
+        };
+      in
+      {
+        options.auscybernix.browsers.zen-browser = {
+          enable = lib.mkOption {
+            type = lib.types.bool;
+            default = false;
+            description = "Enable Zen Browser.";
+          };
+          profileName = lib.mkOption {
+            type = lib.types.str;
+            default = "ivy (Default)";
+            description = "Name of the default Zen Browser profile.";
+          };
+        };
+        options.auscybernix.browsers.helium.enable =
+          lib.mkEnableOption "Helium browser";
+
+        config = lib.mkMerge [
+          # ── Zen browser ──────────────────────────────────────────────────
+          (lib.mkIf cfgZen.enable {
+            stylix.targets.zen-browser.profileNames = [ cfgZen.profileName ];
+            programs.zen-browser = {
+              enable = true;
+              nativeMessagingHosts = [ pkgs._1password-gui-beta ];
+              darwinDefaultsId = "app.zen-browser.zen";
+              package = lib.mkForce (
+                if stdenv.isDarwin then
+                  null
+                else
+                  pkgs.wrapFirefox
+                    (pkgs.zen-browser.override { inherit policies; })
+                    {
+                      extraPrefs = config.programs.zen-browser.extraPrefs;
+                      extraPrefsFiles = config.programs.zen-browser.extraPrefsFiles;
+                      nativeMessagingHosts = config.programs.zen-browser.nativeMessagingHosts;
+                    }
+              );
+              inherit policies;
+              profiles."${cfgZen.profileName}" = {
+                search = {
+                  force = true;
+                  engines = {
+                    kagi = {
+                      name = "Kagi Search";
+                      urls = [ { template = "https://kagi.com/search"; params = [ { name = "q"; value = "{searchTerms}"; } ]; } ];
+                      icon = "${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/kagi-search.svg";
+                      definedAliases = [ "@kagi" ];
+                    };
+                    nix-packages = {
+                      name = "Nix Packages";
+                      urls = [ { template = "https://search.nixos.org/packages"; params = [ { name = "type"; value = "packages"; } { name = "query"; value = "{searchTerms}"; } ]; } ];
+                      icon = "${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake.svg";
+                      definedAliases = [ "@np" ];
+                    };
+                    unduck = {
+                      name = "UnDuck";
+                      urls = [ { template = "https://unduck.link"; params = [ { name = "q"; value = "{searchTerms}"; } ]; } ];
+                    };
+                    scholar = {
+                      name = "Google Scholar";
+                      urls = [ { template = "https://scholar.google.com/scholar"; params = [ { name = "q"; value = "{searchTerms}"; } ]; } ];
+                      definedAliases = [ "@sch" ];
+                    };
+                    "Home-Manager-Options" = {
+                      urls = [ { template = "https://home-manager-options.extranix.com"; params = [ { name = "query"; value = "{searchTerms}"; } { name = "release"; value = "master"; } ]; } ];
+                      definedAliases = [ "@hm" ];
+                    };
+                  };
+                  default = "kagi";
+                  privateDefault = "kagi";
+                };
+                isDefault = true;
+                settings = {
+                  "extensions.autoDisableScopes" = 0;
+                  "zen.welcome-screen.seen" = true;
+                };
+                containers = {
+                  Queer = { id = 3; color = "pink"; };
+                  Uni = { color = "green"; icon = "fruit"; id = 2; };
+                  Shopping = { color = "blue"; icon = "cart"; id = 1; };
+                };
+                extensions.packages = with pkgs.nur.repos.rycee.firefox-addons; [
+                  auto-tab-discard
+                  libkey-nomad
+                  onepassword-password-manager
+                  zotero-connector
+                  kagi-search
+                  ublock-origin
+                ];
+              };
+            };
+            home.activation = lib.optionalAttrs stdenv.hostPlatform.isDarwin {
+              zen-browser =
+                let
+                  profiles-ini =
+                    if stdenv.hostPlatform.isLinux then
+                      "${config.xdg.configHome}/zen/profiles.ini"
+                    else
+                      "${config.home.homeDirectory}/Library/\"Application Support\"/zen/profiles.ini";
+                in
+                lib.hm.dag.entryAfter [ "writeBoundary" ] ''
+                  rm ${profiles-ini}.backup
+                  mv ${profiles-ini} ${profiles-ini}.generate
+                  cat ${profiles-ini}.generate > ${profiles-ini}
+                  echo ZenAvatarPath=chrome://browser/content/zen-avatars/avatar-01.svg >> ${profiles-ini}
+                '';
+            };
+          })
+
+          # ── Helium ────────────────────────────────────────────────────────
+          (lib.mkIf cfgHelium.enable {
+            home.packages = with pkgs; [ helium ];
+            programs.helium = {
+              enable = true;
+              extensions = [
+                { id = "cdglnehniifkbagbbombnjghhcihifij"; }
+                { id = "aeblfdkhhhdcdjpifhhbdiojplfjncoa"; } # 1Password
+                { id = "ekhagklcjbdpajgpjgmbionohlpdbjgc"; } # Zotero
+                { id = "lkoeejijapdihgbegpljiehpnlkadljb"; } # libKey nomad
+                { id = "hghakoefmnkhamdhenpbogkeopjlkpoa"; } # Lean library
+              ];
+            };
+          })
+        ];
+      };
+  };
+}