diff --git a/configuration.nix b/configuration.nix
deleted file mode 100644
index c562e89..0000000
--- a/configuration.nix
+++ /dev/null
@@ -1,225 +0,0 @@
-# Edit this configuration file to define what should be installed on
-# your system.  Help is available in the configuration.nix(5) man page
-# and in the NixOS manual (accessible by running ‘nixos-help’).
-
-{
-  inputs,
-  config,
-  pkgs,
-  ...
-}:
-
-{
-  imports = [
-    inputs.home-manager.nixosModules.home-manager
-  ];
-
-  home-manager = {
-    extraSpecialArgs = { inherit inputs; };
-    users = {
-      dea = import ./home.nix;
-    };
-  };
-
-  # Bootloader.
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
-
-  networking.hostName = "tohka"; # Define your hostname.
-  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
-
-  # Configure network proxy if necessary
-  # networking.proxy.default = "http://user:password@proxy:port/";
-  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
-
-  # Enable networking
-  networking.networkmanager.enable = true;
-
-  # Set your time zone.
-  time.timeZone = "America/New_York";
-
-  # Select internationalisation properties.
-  i18n.defaultLocale = "en_US.UTF-8";
-
-  i18n.extraLocaleSettings = {
-    LC_ADDRESS = "en_US.UTF-8";
-    LC_IDENTIFICATION = "en_US.UTF-8";
-    LC_MEASUREMENT = "en_US.UTF-8";
-    LC_MONETARY = "en_US.UTF-8";
-    LC_NAME = "en_US.UTF-8";
-    LC_NUMERIC = "en_US.UTF-8";
-    LC_PAPER = "en_US.UTF-8";
-    LC_TELEPHONE = "en_US.UTF-8";
-    LC_TIME = "en_US.UTF-8";
-  };
-
-  # Enable the X11 windowing system.
-  # You can disable this if you're only using the Wayland session.
-  services.xserver.enable = true;
-
-  # Enable the KDE Plasma Desktop Environment.
-  services.displayManager.sddm.enable = true;
-  services.desktopManager.plasma6.enable = true;
-
-  # Configure keymap in X11
-  services.xserver.xkb = {
-    layout = "us";
-    variant = "";
-  };
-
-  # Enable CUPS to print documents.
-  services.printing.enable = true;
-
-  # Enable sound with pipewire.
-  # hardware.pulseaudio.enable = false;
-  services.pulseaudio.enable = false;
-  security.rtkit.enable = true;
-  services.pipewire = {
-    enable = true;
-    alsa.enable = true;
-    alsa.support32Bit = true;
-    pulse.enable = true;
-    # If you want to use JACK applications, uncomment this
-    #jack.enable = true;
-
-    # use the example session manager (no others are packaged yet so this is enabled by default,
-    # no need to redefine it in your config for now)
-    #media-session.enable = true;
-  };
-
-  security.polkit.enable = true;
-
-  # Enables nginx
-  services.nginx.enable = true;
-
-  # Enable touchpad support (enabled default in most desktopManager).
-  # services.xserver.libinput.enable = true;
-
-  # Define a user account. Don't forget to set a password with ‘passwd’.
-
-  # Enable docker virtualisation.
-  virtualisation.docker.enable = true;
-
-  # Install firefox.
-  programs.firefox.enable = true;
-
-  # Allow unfree packages
-  nixpkgs.config.allowUnfree = true;
-
-  # Enables nix commands + flakes
-  nix.settings.extra-experimental-features = [
-    "nix-command"
-    "flakes"
-  ];
-
-  # ======================
-  # List packages installed in system profile. To search, run:
-  # $ nix search wget
-  # nixos-rebuild switch --use-remote-sudo
-  # ======================
-  # Update packages?:
-  # sudo nix-channel --update
-  # sudo nixos-rebuild switch
-  # ======================
-  # sudo nixos-rebuild switch --flake .
-  environment.systemPackages = with pkgs; [
-    wget
-    lunarvim
-    vscode
-    python3
-    p7zip
-    unzip
-    chawan # tui browser cha <url>
-    git
-    gcc
-    gdb
-    glibc.static
-    nixfmt
-
-    kitty # terminal
-    wayland
-
-    emacs # calander/todo list
-
-    nemo # file browser
-    monophony # yt music tryout
-
-    vesktop # discord-canary
-    equibop # equibop 3.1.7
-
-    vivaldi # vivaldi install requires qt5
-    qt5.qtbase
-
-    starship # shell customizer
-
-    libreoffice-qt # libreoffice
-    hunspell
-    hunspellDicts.uk_UA
-    hunspellDicts.th_TH
-    openjdk
-
-    notepad-next # notepad++
-    sqlitebrowser
-
-    ffmpeg-full
-    yt-dlp
-    qbittorrent
-
-    bottles # windows emulation
-
-    element-desktop # element 4 matrix
-  ];
-
-  # There have been amdgpu issues in 6.10 so you maybe need to revert on the default lts kernel.
-  # boot.kernelPackages = pkgs.linuxPackages;
-  programs.steam = {
-    enable = true;
-    remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
-    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
-  };
-
-  services.mullvad-vpn = {
-    enable = true;
-    package = pkgs.mullvad-vpn; # mullvad only has the cli
-  };
-
-  programs.nix-ld = {
-    enable = true;
-    libraries = with pkgs; [
-      ## Put here any library that is required when running a package
-      ## ...
-      ## Uncomment if you want to use the libraries provided by default in the steam distribution
-      ## but this is quite far from being exhaustive
-      ## https://github.com/NixOS/nixpkgs/issues/354513
-      (pkgs.runCommand "steamrun-lib" { } "mkdir $out; ln -s ${pkgs.steam-run.fhsenv}/usr/lib64 $out/lib")
-    ];
-  };
-
-  # Some programs need SUID wrappers, can be configured further or are
-  # started in user sessions.
-  # programs.mtr.enable = true;
-  # programs.gnupg.agent = {
-  #   enable = true;
-  #   enableSSHSupport = true;
-  # };
-
-  # List services that you want to enable:
-
-  # Enable the OpenSSH daemon.
-  # services.openssh.enable = true;
-
-  # Open ports in the firewall.
-  # networking.firewall.allowedTCPPorts = [ ... ];
-  # networking.firewall.allowedUDPPorts = [ ... ];
-  # Or disable the firewall altogether.
-  # networking.firewall.enable = false;
-
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "24.11"; # Did you read the comment?
-
-}
diff --git a/exprs/overlay.nix b/exprs/overlay.nix
deleted file mode 100644
index 2fae41b..0000000
--- a/exprs/overlay.nix
+++ /dev/null
@@ -1,14 +0,0 @@
-inputs: final: prev: {
-  waywall = prev.waywall.overrideAttrs (
-    f: p: {
-      version = "0-unstable-2026-01-06";
-
-      src = prev.fetchFromGitHub {
-        owner = "tesselslate";
-        repo = "waywall";
-        rev = "c6504f95f8d757a2e060c4df8bd3ed145ad59e8d";
-        hash = "sha256-kfBsppc+esz0Q6iIIKAeOMwkIWdN12AlH3Dji8bU32c=";
-      };
-    }
-  );
-}
\ No newline at end of file
diff --git a/flake.lock b/flake.lock
index ebc50a0..f7ec999 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,17 +1,175 @@
 {
   "nodes": {
-    "home-manager": {
+    "abseil-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1722535511,
+        "narHash": "sha256-51jpDhdZ0n+KLmxh8KVaTz53pZAB0dHjmILFX+OLud4=",
+        "owner": "abseil",
+        "repo": "abseil-cpp",
+        "rev": "4447c7562e3bc702ade25105912dce503f0c4010",
+        "type": "github"
+      },
+      "original": {
+        "owner": "abseil",
+        "ref": "20240722.0",
+        "repo": "abseil-cpp",
+        "type": "github"
+      }
+    },
+    "asio-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1702548444,
+        "narHash": "sha256-8Xo6J6+dTvDtsthjbLMMTInHMDnMMM0rQwzbZu70J/s=",
+        "owner": "chriskohlhoff",
+        "repo": "asio",
+        "rev": "22ccfc94fc77356f7820601f9f33b9129a337d2d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "chriskohlhoff",
+        "ref": "asio-1-30-0",
+        "repo": "asio",
+        "type": "github"
+      }
+    },
+    "cerulean": {
       "inputs": {
+        "deploy-rs": "deploy-rs",
+        "microvm": "microvm",
         "nixpkgs": [
+          "nixpkgs-unstable"
+        ],
+        "nt": "nt",
+        "sops-nix": "sops-nix",
+        "systems": [
+          "systems"
+        ]
+      },
+      "locked": {
+        "lastModified": 1772954046,
+        "narHash": "sha256-yCTjpnXhx44tsuOW9VolMiP/ckQNwO6wQST5vmXE7ig=",
+        "owner": "cry128",
+        "repo": "cerulean",
+        "rev": "6c7f335fbde5b6f1931d79d287bf03ee642ba7f5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cry128",
+        "ref": "v0.2.5-alpha",
+        "repo": "cerulean",
+        "type": "github"
+      }
+    },
+    "curl-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1743572790,
+        "narHash": "sha256-huAGWNm2rYBmgzUuYQ21IYp2skyQECelEkXPMBJY3cE=",
+        "owner": "curl",
+        "repo": "curl",
+        "rev": "1c3149881769e7bd79b072e48374e4c2b3678b2f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "curl",
+        "ref": "curl-8_13_0",
+        "repo": "curl",
+        "type": "github"
+      }
+    },
+    "deploy-rs": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "nixpkgs": [
+          "cerulean",
+          "nixpkgs"
+        ],
+        "utils": "utils"
+      },
+      "locked": {
+        "lastModified": 1766051518,
+        "narHash": "sha256-znKOwPXQnt3o7lDb3hdf19oDo0BLP4MfBOYiWkEHoik=",
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "rev": "d5eff7f948535b9c723d60cd8239f8f11ddc90fa",
+        "type": "github"
+      },
+      "original": {
+        "owner": "serokell",
+        "repo": "deploy-rs",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1733328505,
+        "narHash": "sha256-NeCCThCEP3eCl2l/+27kNNK7QrwZB1IJCrXfrbv5oqU=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "ff81ac966bb2cae68946d5ed5fc4994f96d0ffec",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": [
+          "cerulean",
+          "nt",
+          "nix-unit",
           "nixpkgs"
         ]
       },
       "locked": {
-        "lastModified": 1771756436,
-        "narHash": "sha256-Tl2I0YXdhSTufGqAaD1ySh8x+cvVsEI1mJyJg12lxhI=",
+        "lastModified": 1762440070,
+        "narHash": "sha256-xxdepIcb39UJ94+YydGP221rjnpkDZUlykKuF54PsqI=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "26d05891e14c88eb4a5d5bee659c0db5afb609d8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
+    "fmt-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1758127535,
+        "narHash": "sha256-AZDmIeU1HbadC+K0TIAGogvVnxt0oE9U6ocpawIgl6g=",
+        "owner": "fmtlib",
+        "repo": "fmt",
+        "rev": "e424e3f2e607da02742f73db84873b8084fc714c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "fmtlib",
+        "ref": "12.0.0",
+        "repo": "fmt",
+        "type": "github"
+      }
+    },
+    "home-manager-unstable": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ]
+      },
+      "locked": {
+        "lastModified": 1775598298,
+        "narHash": "sha256-FZRwskiertE+8wgFKjLoc/41UrVqzR2V3QseMBHuo/g=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "5bd3589390b431a63072868a90c0f24771ff4cbb",
+        "rev": "98b4d61cfaf825c8b691afae0b6e152f0cc05c86",
         "type": "github"
       },
       "original": {
@@ -20,6 +178,219 @@
         "type": "github"
       }
     },
+    "incbin-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1748303270,
+        "narHash": "sha256-vgOfViZnWTKpBB6vDNDJSB3YuuGGVhg++zsi9Ubatno=",
+        "owner": "graphitemaster",
+        "repo": "incbin",
+        "rev": "22061f51fe9f2f35f061f85c2b217b55dd75310d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "graphitemaster",
+        "repo": "incbin",
+        "rev": "22061f51fe9f2f35f061f85c2b217b55dd75310d",
+        "type": "github"
+      }
+    },
+    "json-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1744360948,
+        "narHash": "sha256-cECvDOLxgX7Q9R3IE86Hj9JJUxraDQvhoyPDF03B2CY=",
+        "owner": "nlohmann",
+        "repo": "json",
+        "rev": "55f93686c01528224f448c19128836e7df245f72",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nlohmann",
+        "ref": "v3.12.0",
+        "repo": "json",
+        "type": "github"
+      }
+    },
+    "libgit2-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1749227175,
+        "narHash": "sha256-/xI3v7LNhpgfjv/m+sZwYDhhYvS6kQYxiiiG3+EF8Mw=",
+        "owner": "libgit2",
+        "repo": "libgit2",
+        "rev": "0060d9cf5666f015b1067129bd874c6cc4c9c7ac",
+        "type": "github"
+      },
+      "original": {
+        "owner": "libgit2",
+        "ref": "v1.9.1",
+        "repo": "libgit2",
+        "type": "github"
+      }
+    },
+    "luajit-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1763177035,
+        "narHash": "sha256-oYD86MqmlJpiCuEs4LwVtxvarPtz1RPWm8nJqNE0sBs=",
+        "owner": "SteamClientHomebrew",
+        "repo": "LuaJIT",
+        "rev": "89550023569c3e195e75e12951c067fe5591e0d2",
+        "type": "github"
+      },
+      "original": {
+        "owner": "SteamClientHomebrew",
+        "ref": "v2.1",
+        "repo": "LuaJIT",
+        "type": "github"
+      }
+    },
+    "luajson-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1763065879,
+        "narHash": "sha256-5Mdp4jp+rqz2ufkBa1gMfd8nep+Um+mBdr6+Ut6yz9I=",
+        "owner": "SteamClientHomebrew",
+        "repo": "LuaJSON",
+        "rev": "0c1fabf07c42f3907287d1e4f729e0620c1fe6fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "SteamClientHomebrew",
+        "repo": "LuaJSON",
+        "rev": "0c1fabf07c42f3907287d1e4f729e0620c1fe6fd",
+        "type": "github"
+      }
+    },
+    "microvm": {
+      "inputs": {
+        "nixpkgs": [
+          "cerulean",
+          "nixpkgs"
+        ],
+        "spectrum": "spectrum"
+      },
+      "locked": {
+        "lastModified": 1771365290,
+        "narHash": "sha256-1XJOslVyF7yzf6yd/yl1VjGLywsbtwmQh3X1LuJcLI4=",
+        "owner": "microvm-nix",
+        "repo": "microvm.nix",
+        "rev": "789c90b164b55b4379e7a94af8b9c01489024c18",
+        "type": "github"
+      },
+      "original": {
+        "owner": "microvm-nix",
+        "repo": "microvm.nix",
+        "type": "github"
+      }
+    },
+    "millennium": {
+      "inputs": {
+        "abseil-src": "abseil-src",
+        "asio-src": "asio-src",
+        "curl-src": "curl-src",
+        "fmt-src": "fmt-src",
+        "incbin-src": "incbin-src",
+        "json-src": "json-src",
+        "libgit2-src": "libgit2-src",
+        "luajit-src": "luajit-src",
+        "luajson-src": "luajson-src",
+        "millennium-src": "millennium-src",
+        "minhook-src": "minhook-src",
+        "mini-src": "mini-src",
+        "minizip-src": "minizip-src",
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ],
+        "re2-src": "re2-src",
+        "websocketpp-src": "websocketpp-src",
+        "zlib-src": "zlib-src"
+      },
+      "locked": {
+        "dir": "packages/nix",
+        "lastModified": 1774491538,
+        "narHash": "sha256-11rgTocaXAIFYVEcbb6ju/sDN6sZpxjneXj9FSbgwrA=",
+        "owner": "SteamClientHomebrew",
+        "repo": "millennium",
+        "rev": "bf8b0cd016fcc4168c4e348cbcbfd237de4c01c8",
+        "type": "github"
+      },
+      "original": {
+        "dir": "packages/nix",
+        "owner": "SteamClientHomebrew",
+        "repo": "millennium",
+        "type": "github"
+      }
+    },
+    "millennium-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1770463863,
+        "narHash": "sha256-MceGTpXobCAh5Ll/1iTWcEf6/nHY3Ll1t06JxbYc+Co=",
+        "owner": "SteamClientHomebrew",
+        "repo": "Millennium",
+        "rev": "1bc62c94a06f25f7e8d7e269f11cd968cf576bff",
+        "type": "github"
+      },
+      "original": {
+        "owner": "SteamClientHomebrew",
+        "repo": "Millennium",
+        "rev": "1bc62c94a06f25f7e8d7e269f11cd968cf576bff",
+        "type": "github"
+      }
+    },
+    "minhook-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1743163800,
+        "narHash": "sha256-0eGFfg365bb4zic1WTHMvKHbxuhhGp72/clu8OklHXs=",
+        "owner": "TsudaKageyu",
+        "repo": "minhook",
+        "rev": "c3fcafdc10146beb5919319d0683e44e3c30d537",
+        "type": "github"
+      },
+      "original": {
+        "owner": "TsudaKageyu",
+        "ref": "v1.3.4",
+        "repo": "minhook",
+        "type": "github"
+      }
+    },
+    "mini-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1743356736,
+        "narHash": "sha256-zBFFOlECbie7+62fTGf+NP4gNmfv2Qddw3ys6xn7o9U=",
+        "owner": "metayeti",
+        "repo": "mINI",
+        "rev": "52b66e987cb56171dc91d96115cdf094b6e4d7a0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "metayeti",
+        "ref": "0.9.18",
+        "repo": "mINI",
+        "type": "github"
+      }
+    },
+    "minizip-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1746408966,
+        "narHash": "sha256-I3CZwtfJMsZYQOMdGhooUN8vssnQj6rCzv8F+rne3vg=",
+        "owner": "zlib-ng",
+        "repo": "minizip-ng",
+        "rev": "f3ed731e27a97e30dffe076ed5e0537daae5c1bd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zlib-ng",
+        "ref": "4.0.10",
+        "repo": "minizip-ng",
+        "type": "github"
+      }
+    },
     "nix-flatpak": {
       "locked": {
         "lastModified": 1767983141,
@@ -36,13 +407,61 @@
         "type": "github"
       }
     },
+    "nix-github-actions": {
+      "inputs": {
+        "nixpkgs": [
+          "cerulean",
+          "nt",
+          "nix-unit",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1737420293,
+        "narHash": "sha256-F1G5ifvqTpJq7fdkT34e/Jy9VCyzd5XfJ9TO8fHhJWE=",
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "rev": "f4158fa080ef4503c8f4c820967d946c2af31ec9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "type": "github"
+      }
+    },
+    "nix-unit": {
+      "inputs": {
+        "flake-parts": "flake-parts",
+        "nix-github-actions": "nix-github-actions",
+        "nixpkgs": [
+          "cerulean",
+          "nt",
+          "nixpkgs"
+        ],
+        "treefmt-nix": "treefmt-nix"
+      },
+      "locked": {
+        "lastModified": 1762774186,
+        "narHash": "sha256-hRADkHjNt41+JUHw2EiSkMaL4owL83g5ZppjYUdF/Dc=",
+        "owner": "nix-community",
+        "repo": "nix-unit",
+        "rev": "1c9ab50554eed0b768f9e5b6f646d63c9673f0f7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-unit",
+        "type": "github"
+      }
+    },
     "nixcats": {
       "locked": {
-        "lastModified": 1770584904,
-        "narHash": "sha256-9Zaz8lbKF2W9pwXZEnbiGsicHdBoU+dHt3Wv3mCJoZ8=",
+        "lastModified": 1774835836,
+        "narHash": "sha256-6ok7iv/9R82vl6MYe3Lwyyb6S5bmW2PxEZtmjzlqyPs=",
         "owner": "BirdeeHub",
         "repo": "nixCats-nvim",
-        "rev": "538fdde784d2909700d97a8ef307783b33a86fb1",
+        "rev": "ebb9f279a55ca60ff4e37e4accf6518dc627aa8d",
         "type": "github"
       },
       "original": {
@@ -53,11 +472,27 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1771369470,
-        "narHash": "sha256-0NBlEBKkN3lufyvFegY4TYv5mCNHbi5OmBDrzihbBMQ=",
+        "lastModified": 1767313136,
+        "narHash": "sha256-16KkgfdYqjaeRGBaYsNrhPRRENs0qzkQVUooNHtoy2w=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0182a361324364ae3f436a63005877674cf45efb",
+        "rev": "ac62194c3917d5f474c1a844b6fd6da2db95077d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1775423009,
+        "narHash": "sha256-vPKLpjhIVWdDrfiUM8atW6YkIggCEKdSAlJPzzhkQlw=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "68d8aa3d661f0e6bd5862291b5bb263b2a6595c9",
         "type": "github"
       },
       "original": {
@@ -67,21 +502,56 @@
         "type": "github"
       }
     },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1775608838,
+        "narHash": "sha256-2ySoGH+SAi34U0PeuQgABC0WiH9LQ3tkyHTiE93KUeg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "9a01fad67a57e44e1b3e1d905c6881bcfb209e8a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nt": {
+      "inputs": {
+        "nix-unit": "nix-unit",
+        "nixpkgs": "nixpkgs",
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1770975056,
+        "narHash": "sha256-ZXTz/P3zUbbM6lNXzt91u8EwfNqhXpYMu8+wvFZqQHE=",
+        "owner": "cry128",
+        "repo": "nt",
+        "rev": "f42dcdd49a7921a7f433512e83d5f93696632412",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cry128",
+        "repo": "nt",
+        "type": "github"
+      }
+    },
     "plasma-manager": {
       "inputs": {
         "home-manager": [
-          "home-manager"
+          "home-manager-unstable"
         ],
         "nixpkgs": [
-          "nixpkgs"
+          "nixpkgs-unstable"
         ]
       },
       "locked": {
-        "lastModified": 1770766818,
-        "narHash": "sha256-12RCFLyAedyMOdenUi7cN3ioJPEGjA/ZG1BLjugfUVs=",
+        "lastModified": 1774915545,
+        "narHash": "sha256-COT4l/+ZddGBvrDVfPf7MEOJxV8EDKame6/aRnNIKcY=",
         "owner": "nix-community",
         "repo": "plasma-manager",
-        "rev": "44b928068359b7d2310a34de39555c63c93a2c90",
+        "rev": "f3177b3c69fb3f03201098d7fe8ab6422cce7fc1",
         "type": "github"
       },
       "original": {
@@ -90,13 +560,215 @@
         "type": "github"
       }
     },
+    "re2-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1762353507,
+        "narHash": "sha256-0J1HVk+eR7VN0ymucW9dNlT36j16XIfCzcs1EVyEIEU=",
+        "owner": "google",
+        "repo": "re2",
+        "rev": "927f5d53caf8111721e734cf24724686bb745f55",
+        "type": "github"
+      },
+      "original": {
+        "owner": "google",
+        "ref": "2025-11-05",
+        "repo": "re2",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
-        "home-manager": "home-manager",
+        "cerulean": "cerulean",
+        "home-manager-unstable": "home-manager-unstable",
+        "millennium": "millennium",
         "nix-flatpak": "nix-flatpak",
         "nixcats": "nixcats",
-        "nixpkgs": "nixpkgs",
-        "plasma-manager": "plasma-manager"
+        "nixpkgs": "nixpkgs_2",
+        "nixpkgs-unstable": "nixpkgs-unstable",
+        "plasma-manager": "plasma-manager",
+        "systems": "systems_3",
+        "zen-browser": "zen-browser"
+      }
+    },
+    "sops-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "cerulean",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1775365543,
+        "narHash": "sha256-f50qrK0WwZ9z5EdaMGWOTtALgSF7yb7XwuE7LjCuDmw=",
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "rev": "a4ee2de76efb759fe8d4868c33dec9937897916f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Mic92",
+        "repo": "sops-nix",
+        "type": "github"
+      }
+    },
+    "spectrum": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1759482047,
+        "narHash": "sha256-H1wiXRQHxxPyMMlP39ce3ROKCwI5/tUn36P8x6dFiiQ=",
+        "ref": "refs/heads/main",
+        "rev": "c5d5786d3dc938af0b279c542d1e43bce381b4b9",
+        "revCount": 996,
+        "type": "git",
+        "url": "https://spectrum-os.org/git/spectrum"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://spectrum-os.org/git/spectrum"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_3": {
+      "locked": {
+        "lastModified": 1689347949,
+        "narHash": "sha256-12tWmuL2zgBgZkdoB6qXZsgJEH9LR3oUgpaQq2RbI80=",
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "rev": "31732fcf5e8fea42e59c2488ad31a0e651500f68",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "type": "github"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "cerulean",
+          "nt",
+          "nix-unit",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1762410071,
+        "narHash": "sha256-aF5fvoZeoXNPxT0bejFUBXeUjXfHLSL7g+mjR/p5TEg=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "97a30861b13c3731a84e09405414398fbf3e109f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
+      }
+    },
+    "utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "websocketpp-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1587320717,
+        "narHash": "sha256-9fIwouthv2GcmBe/UPvV7Xn9P2o0Kmn2hCI4jCh0hPM=",
+        "owner": "zaphoyd",
+        "repo": "websocketpp",
+        "rev": "56123c87598f8b1dd471be83ca841ceae07f95ba",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zaphoyd",
+        "ref": "0.8.2",
+        "repo": "websocketpp",
+        "type": "github"
+      }
+    },
+    "zen-browser": {
+      "inputs": {
+        "home-manager": [
+          "home-manager-unstable"
+        ],
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ]
+      },
+      "locked": {
+        "lastModified": 1775453133,
+        "narHash": "sha256-VIlMG985ONqVqF+OnPuS5Shbz5k6tqbOWnDL7EH+IT4=",
+        "owner": "0xc000022070",
+        "repo": "zen-browser-flake",
+        "rev": "8d0508ffceba8ad785ae442591dd115080a55142",
+        "type": "github"
+      },
+      "original": {
+        "owner": "0xc000022070",
+        "repo": "zen-browser-flake",
+        "type": "github"
+      }
+    },
+    "zlib-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1754565515,
+        "narHash": "sha256-c2RYqHi3hj/ViBzJcYWoNib27GAbq/B1SJUfvG7CPG4=",
+        "owner": "zlib-ng",
+        "repo": "zlib-ng",
+        "rev": "425439062b114a0f6cf625022c41d929c7e879f9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zlib-ng",
+        "ref": "2.2.5",
+        "repo": "zlib-ng",
+        "type": "github"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index 412d931..2479289 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,52 +2,42 @@
   description = "release the dea files";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    home-manager.url = "github:nix-community/home-manager";
-    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+    systems.url = "github:nix-systems/default-linux";
+
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
+    home-manager-unstable.url = "github:nix-community/home-manager";
+    home-manager-unstable.inputs.nixpkgs.follows = "nixpkgs-unstable";
+
+    cerulean.url = "github:cry128/cerulean/v0.2.5-alpha";
+    cerulean.inputs.systems.follows = "systems";
+    cerulean.inputs.nixpkgs.follows = "nixpkgs-unstable";
+
     nix-flatpak.url = "github:gmodena/nix-flatpak/?ref=latest";
     nixcats.url = "github:BirdeeHub/nixCats-nvim";
 
     plasma-manager = {
       url = "github:nix-community/plasma-manager";
-      inputs.nixpkgs.follows = "nixpkgs";
-      inputs.home-manager.follows = "home-manager";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+      inputs.home-manager.follows = "home-manager-unstable";
+    };
+
+    millennium = {
+      url = "github:SteamClientHomebrew/millennium?dir=packages/nix";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+    };
+
+    zen-browser = {
+      url = "github:0xc000022070/zen-browser-flake";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+      inputs.home-manager.follows = "home-manager-unstable";
     };
   };
+  
+  nixConfig = {
+    extra-experimental-features = "pipe-operators";
+  };
 
-  outputs =
-    inputs@{ self, nixpkgs, nixcats, ... }:
-    let
-      lib = nixpkgs.lib;
-
-      commonModules = [
-        ./configuration.nix
-        ./user.nix
-        inputs.nix-flatpak.nixosModules.nix-flatpak
-      ];
-    in
-    {
-      # laptop
-      nixosConfigurations.nahemah = lib.nixosSystem {
-        specialArgs = {
-          host = "nahemah";
-          inherit inputs;
-        };
-        modules = [
-          ./hosts/nahemah/hardware-configuration.nix
-        ]
-        ++ commonModules;
-      };
-
-      # pc
-      nixosConfigurations.sandalphon = lib.nixosSystem {
-        specialArgs = { inherit inputs; };
-        modules = [
-          ./hosts/sandalphon/hardware-configuration.nix
-          ./hosts/sandalphon/configuration.nix
-          ./hosts/sandalphon/games.nix
-        ]
-        ++ commonModules;
-      };
-    };
+  outputs = {cerulean, ...} @ inputs:
+    cerulean.snow.flake inputs ./.;
 }
diff --git a/groups/all/default.nix b/groups/all/default.nix
new file mode 100644
index 0000000..ab72c63
--- /dev/null
+++ b/groups/all/default.nix
@@ -0,0 +1,30 @@
+# configuration shared by all cerulean nodes
+{lib, ...}: {
+  nix.settings.extra-experimental-features = [
+    "nix-command"
+    "flakes"
+    "pipe-operators"
+  ];
+
+  boot.loader.systemd-boot.enable = lib.mkDefault true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = lib.mkDefault "tohka";
+  networking.networkmanager.enable = true;
+  networking.nftables.enable = true; # firewall
+  networking.firewall.enable = true;
+
+  time.timeZone = lib.mkDefault "America/New_York";
+  i18n.defaultLocale = lib.mkDefault "en_US.UTF-8";
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_US.UTF-8";
+    LC_IDENTIFICATION = "en_US.UTF-8";
+    LC_MEASUREMENT = "en_US.UTF-8";
+    LC_MONETARY = "en_US.UTF-8";
+    LC_NAME = "en_US.UTF-8";
+    LC_NUMERIC = "en_US.UTF-8";
+    LC_PAPER = "en_US.UTF-8";
+    LC_TELEPHONE = "en_US.UTF-8";
+    LC_TIME = "en_US.UTF-8";
+  };
+}
diff --git a/groups/yezelhlev/default.nix b/groups/yezelhlev/default.nix
new file mode 100644
index 0000000..e257e3b
--- /dev/null
+++ b/groups/yezelhlev/default.nix
@@ -0,0 +1,95 @@
+{
+  pkgs,
+  root,
+  ...
+}: {
+  imports = [
+    ./programs.nix
+    /${root}/hosts/modules/steam.nix
+  ];
+
+  # Configure keymap in X11
+  services.xserver.enable = true;
+  services.xserver.xkb = {
+    layout = "us";
+    variant = "";
+  };
+  # Enable the KDE Plasma Desktop Environment.
+  services.displayManager.sddm.enable = true;
+  services.desktopManager.plasma6.enable = true;
+
+  # Enable CUPS to print documents.
+  services.printing.enable = true;
+
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    audio.enable = true;
+    wireplumber.enable = true;
+
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    # pulse.enable = true;
+    # jack.enable = true;
+  };
+
+  security.polkit.enable = true;
+
+  services.nginx.enable = true;
+
+  services.mullvad-vpn = {
+    enable = true;
+    package = pkgs.mullvad-vpn; # mullvad only has the cli
+  };
+
+  # Enable docker virtualisation.
+  virtualisation.docker.enable = true;
+
+  programs.nix-ld = {
+    enable = true;
+    libraries = [
+      ## Put here any library that is required when running a package
+      ## ...
+      ## Uncomment if you want to use the libraries provided by default in the steam distribution
+      ## but this is quite far from being exhaustive
+      ## https://github.com/NixOS/nixpkgs/issues/354513
+      (pkgs.runCommand "steamrun-lib" {} "mkdir $out; ln -s ${pkgs.steam-run.fhsenv}/usr/lib64 $out/lib")
+    ];
+  };
+
+  programs.nh = {
+    enable = true;
+    clean.enable = true;
+    clean.extraArgs = "--keep-since 7d --keep 3";
+    flake = "/home/dea/dea-files"; # sets NH_OS_FLAKE variable for you
+  };
+
+  users.users.dea = {
+    description = "dea";
+    isNormalUser = true;
+    extraGroups = [
+      "networkmanager"
+      "wheel"
+      "docker"
+    ];
+    packages = with pkgs; [
+      kdePackages.kate
+      #  thunderbird
+    ];
+  };
+
+  # Better alternative to the standard ssh-agent
+  # services.pcscd.enable = true;
+  # programs.gnupg.agent = {
+  #   enable = true;
+  #   enableSSHSupport = true;
+  # };
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "24.11"; # Did you read the comment?
+}
diff --git a/groups/yezelhlev/programs.nix b/groups/yezelhlev/programs.nix
new file mode 100644
index 0000000..e47ac0e
--- /dev/null
+++ b/groups/yezelhlev/programs.nix
@@ -0,0 +1,68 @@
+{upkgs, ...}: {
+  # ======================
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  # nixos-rebuild switch --use-remote-sudo
+  # ======================
+  # Update packages?:
+  # sudo nix-channel --update
+  # sudo nixos-rebuild switch
+  # ======================
+  # sudo nixos-rebuild switch --flake .
+  environment.systemPackages = with upkgs; [
+    # CLI tools
+    git
+    wget
+    unzip
+    p7zip
+    kitty # terminal
+    starship # shell customizer
+    btop-cuda # system monitoring
+    croc # e2ee file transfer
+    chawan # tui browser cha <url>
+    shellcheck # sh warning
+    calcure # calendar app TODO: remove & fork calendar.vim
+
+    # editors
+    #lunarvim
+    vscode
+
+    # languages
+    gcc
+    gdb
+    glibc.static
+    python3
+    nixfmt
+
+    # window management
+    wayland
+
+    # programs 
+    vivaldi # TODO: switch to zen later
+    vesktop # discord-canary
+    equibop # equibop 3.1.7
+    element-desktop # element 4 matrix
+    monophony # yt music tryout
+    syncplay
+    qbittorrent
+    libreoffice-qt # libreoffice
+    notepad-next # notepad++
+    # notepadqq # TODO: which is better?
+    sqlitebrowser
+    bottles # windows emulation
+
+    # dependencies 
+    qt5.qtbase # vivaldi + others
+    libsForQt5.qtstyleplugin-kvantum # libs for Qt5
+    libsForQt5.qt5ct
+    libsForQt5.qt5.qtbase
+
+    hunspell # spellcheck for libreoffice
+    hunspellDicts.uk_UA
+    hunspellDicts.th_TH
+    openjdk
+
+    ffmpeg-full # mpv + syncplay
+    yt-dlp
+  ];
+}
diff --git a/home.nix b/home.nix
deleted file mode 100644
index 870fe24..0000000
--- a/home.nix
+++ /dev/null
@@ -1,94 +0,0 @@
-{
-  pkgs,
-  inputs,
-  ...
-}:
-
-{
-  # Enables nix commands + flakes
-  nix = {
-    settings.extra-experimental-features = [
-      "nix-command"
-      "flakes"
-    ];
-  };
-
-  # Home manager things
-  home.username = "dea";
-  home.homeDirectory = "/home/dea";
-  home.stateVersion = "25.11";
-  home.packages = with pkgs; [
-    libsForQt5.qtstyleplugin-kvantum # libs for Qt5
-    libsForQt5.qt5ct
-    libsForQt5.qt5.qtbase
-    btop-cuda
-
-    croc
-    syncplay
-  ];
-
-  # programs.neovim = { };
-
-  home.sessionPath = [
-    "$HOME/.local/bin"
-  ];
-
-  nixpkgs.config.allowUnfree = true;
-  nixpkgs.overlays = [
-    (import ./exprs/overlay.nix { })
-    (self: super: {
-      element-desktop = super.element-desktop.overrideAttrs (
-        final: prev: {
-          desktopItems = [
-            ((builtins.elemAt prev.desktopItems 0).override {
-              exec = "element-desktop %u --password-store=\"gnome-libsecret\"";
-            })
-          ];
-        }
-      );
-    })
-  ];
-  imports = [
-    ./homemanager/mpv.nix
-    ./hosts/sandalphon/mcsr/home.nix
-    ./homemanager/vim/nixcats.nix
-    inputs.plasma-manager.homeModules.plasma-manager
-  ];
-
-  # dconf.settings = {};
-
-  # home = {};
-
-  programs.bash = {
-    enable = true;
-    bashrcExtra = builtins.readFile ./homemanager/bashrc;
-  };
-
-  # programs.starship = {
-  #   enable = true;
-  #   settings = {
-  #     add_newline = true;
-
-  #     format = ''$directory\n
-  #	$character'';
-
-  #     directory = {
-  #       truncation_length = 3;
-  #       truncate_to_repo = false;
-  #       format = "[$path]($style) [❤](bold fg:#ff5fff) ";
-  #       style = "bold cyan";
-  #     };
-  #     character = {
-  #       success_symbol = "";
-  #       error_symbol = "";
-  #     };
-  #   };
-  # };
-
-  programs.plasma = {
-    enable = true;
-    kwin.edgeBarrier = 50;
-  };
-
-  programs.home-manager.enable = true;
-}
diff --git a/homemanager/bashrc b/homemanager/bashrc
deleted file mode 100644
index 1947c6f..0000000
--- a/homemanager/bashrc
+++ /dev/null
@@ -1,17 +0,0 @@
-eval "$(starship init bash)"
-
-alias eep='systemctl suspend'
-alias hibernate='systemctl hybrid-sleep'
-alias restart='systemctl reboot'
-alias shutdown='systemctl poweroff'
-alias vim='dvim'
-alias nvim='dvim'
-rebuild() {
-    if [ -z "$1" ]
-        then
-            sudo nixos-rebuild switch --flake ~/dea-files#"$(hostname)"
-    else
-        sudo nixos-rebuild switch --flake ~/dea-files#"$1"
-    fi
-}
-[ -f "/home/dea/.ghcup/env" ] && . "/home/dea/.ghcup/env" # ghcup-env
diff --git a/homes/dea/default.nix b/homes/dea/default.nix
new file mode 100644
index 0000000..e3595dc
--- /dev/null
+++ b/homes/dea/default.nix
@@ -0,0 +1,40 @@
+{
+  config,
+  inputs,
+  root,
+  ...
+}: {
+  imports = [
+    inputs.plasma-manager.homeModules.plasma-manager # 
+
+    /${root}/homes/modules/bash
+    /${root}/homes/modules/starship
+    /${root}/homes/modules/vim
+    /${root}/homes/modules/mpv
+    /${root}/homes/modules/zen
+  ];
+
+  home.username = "dea";
+  home.homeDirectory = "/home/dea";
+  home.sessionPath = [
+    "$HOME/.local/bin"
+  ];
+  home.shellAliases = {
+    eep = "systemctl suspend";
+    hibernate = "systemctl hybrid-sleep";
+    restart = "systemctl reboot";
+    shutdown = "systemctl poweroff";
+    vim = "dvim";
+    nvim = "dvim";
+    rebuild = "nh os switch ~/dea-files";
+    trybuild = "nh os test ~/dea-files";
+  };
+
+  programs.plasma = {
+    enable = true;
+    kwin.edgeBarrier = 50;
+  };
+
+  # DO NOT MODIFY
+  home.stateVersion = "25.11";
+}
diff --git a/homes/modules/bash/bashrc b/homes/modules/bash/bashrc
new file mode 100644
index 0000000..b1070af
--- /dev/null
+++ b/homes/modules/bash/bashrc
@@ -0,0 +1,3 @@
+eval "$(starship init bash)"
+
+[ -f "/home/dea/.ghcup/env" ] && . "/home/dea/.ghcup/env" # ghcup-env
diff --git a/homes/modules/bash/default.nix b/homes/modules/bash/default.nix
new file mode 100644
index 0000000..8078099
--- /dev/null
+++ b/homes/modules/bash/default.nix
@@ -0,0 +1,6 @@
+{...}: {
+  programs.bash = {
+    enable = true;
+    bashrcExtra = builtins.readFile ./bashrc;
+  };
+}
diff --git a/homemanager/mpv.nix b/homes/modules/mpv/default.nix
similarity index 100%
rename from homemanager/mpv.nix
rename to homes/modules/mpv/default.nix
diff --git a/homes/modules/starship/default.nix b/homes/modules/starship/default.nix
new file mode 100644
index 0000000..39017df
--- /dev/null
+++ b/homes/modules/starship/default.nix
@@ -0,0 +1,8 @@
+{...}: {
+  programs.starship = {
+    enable = true;
+    settings =
+      builtins.readFile ./starship.toml
+      |> builtins.fromTOML;
+  };
+}
diff --git a/homemanager/starship.toml b/homes/modules/starship/starship.toml
similarity index 100%
rename from homemanager/starship.toml
rename to homes/modules/starship/starship.toml
diff --git a/homes/modules/vim/default.nix b/homes/modules/vim/default.nix
new file mode 100644
index 0000000..c42d9b4
--- /dev/null
+++ b/homes/modules/vim/default.nix
@@ -0,0 +1 @@
+import ./nixcats.nix
diff --git a/homemanager/vim/init.lua b/homes/modules/vim/init.lua
similarity index 100%
rename from homemanager/vim/init.lua
rename to homes/modules/vim/init.lua
diff --git a/homemanager/vim/lua/lsp/capabilities.lua b/homes/modules/vim/lua/lsp/capabilities.lua
similarity index 100%
rename from homemanager/vim/lua/lsp/capabilities.lua
rename to homes/modules/vim/lua/lsp/capabilities.lua
diff --git a/homemanager/vim/lua/lsp/completion.lua b/homes/modules/vim/lua/lsp/completion.lua
similarity index 100%
rename from homemanager/vim/lua/lsp/completion.lua
rename to homes/modules/vim/lua/lsp/completion.lua
diff --git a/homemanager/vim/lua/lsp/indentation.lua b/homes/modules/vim/lua/lsp/indentation.lua
similarity index 66%
rename from homemanager/vim/lua/lsp/indentation.lua
rename to homes/modules/vim/lua/lsp/indentation.lua
index df7c2a8..edab845 100644
--- a/homemanager/vim/lua/lsp/indentation.lua
+++ b/homes/modules/vim/lua/lsp/indentation.lua
@@ -7,6 +7,15 @@ vim.api.nvim_create_autocmd("FileType", {
   end,
 })
 
+vim.api.nvim_create_autocmd("FileType", {
+  pattern = "hs",
+  callback = function()
+    vim.opt_local.shiftwidth = 2
+    vim.opt_local.tabstop = 2
+    vim.opt_local.expandtab = true
+  end,
+})
+
 vim.api.nvim_create_autocmd("FileType", {
   pattern = "nix",
   callback = function()
diff --git a/homemanager/vim/lua/lsp/init.lua b/homes/modules/vim/lua/lsp/init.lua
similarity index 100%
rename from homemanager/vim/lua/lsp/init.lua
rename to homes/modules/vim/lua/lsp/init.lua
diff --git a/homemanager/vim/lua/lsp/lsp.lua b/homes/modules/vim/lua/lsp/lsp.lua
similarity index 100%
rename from homemanager/vim/lua/lsp/lsp.lua
rename to homes/modules/vim/lua/lsp/lsp.lua
diff --git a/homemanager/vim/lua/plugins/comment.lua b/homes/modules/vim/lua/plugins/comment.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/comment.lua
rename to homes/modules/vim/lua/plugins/comment.lua
diff --git a/homemanager/vim/lua/plugins/dressing.lua b/homes/modules/vim/lua/plugins/dressing.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/dressing.lua
rename to homes/modules/vim/lua/plugins/dressing.lua
diff --git a/homemanager/vim/lua/plugins/format.lua b/homes/modules/vim/lua/plugins/format.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/format.lua
rename to homes/modules/vim/lua/plugins/format.lua
diff --git a/homemanager/vim/lua/plugins/fyler.lua b/homes/modules/vim/lua/plugins/fyler.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/fyler.lua
rename to homes/modules/vim/lua/plugins/fyler.lua
diff --git a/homemanager/vim/lua/plugins/init.lua b/homes/modules/vim/lua/plugins/init.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/init.lua
rename to homes/modules/vim/lua/plugins/init.lua
diff --git a/homemanager/vim/lua/plugins/mini-hipatterns.lua b/homes/modules/vim/lua/plugins/mini-hipatterns.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/mini-hipatterns.lua
rename to homes/modules/vim/lua/plugins/mini-hipatterns.lua
diff --git a/homemanager/vim/lua/plugins/orgmode.lua b/homes/modules/vim/lua/plugins/orgmode.lua
similarity index 92%
rename from homemanager/vim/lua/plugins/orgmode.lua
rename to homes/modules/vim/lua/plugins/orgmode.lua
index aae46cb..1f308e0 100644
--- a/homemanager/vim/lua/plugins/orgmode.lua
+++ b/homes/modules/vim/lua/plugins/orgmode.lua
@@ -1,7 +1,7 @@
 # options: https://github.com/nvim-orgmode/orgmode/blob/master/docs/installation.org
 return {
 	{
-		"nvim-orgmode/orgmode",
+		"orgmode",
 		event = { "FileType" },
 		ft = { "org" },
 		after = function(plugin)
diff --git a/homemanager/vim/lua/plugins/telescope.lua b/homes/modules/vim/lua/plugins/telescope.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/telescope.lua
rename to homes/modules/vim/lua/plugins/telescope.lua
diff --git a/homemanager/vim/lua/plugins/treesitter.lua b/homes/modules/vim/lua/plugins/treesitter.lua
similarity index 100%
rename from homemanager/vim/lua/plugins/treesitter.lua
rename to homes/modules/vim/lua/plugins/treesitter.lua
diff --git a/homemanager/vim/nixcats.nix b/homes/modules/vim/nixcats.nix
similarity index 99%
rename from homemanager/vim/nixcats.nix
rename to homes/modules/vim/nixcats.nix
index 32b54cc..b45a388 100644
--- a/homemanager/vim/nixcats.nix
+++ b/homes/modules/vim/nixcats.nix
@@ -85,6 +85,7 @@ in
               nvim-web-devicons
               base16-nvim
               mini-nvim
+              calendar-vim
 
               (pkgs.vimUtils.buildVimPlugin {
                 pname = "candyland-nvim";
diff --git a/homes/modules/zen/default.nix b/homes/modules/zen/default.nix
new file mode 100644
index 0000000..3044c4e
--- /dev/null
+++ b/homes/modules/zen/default.nix
@@ -0,0 +1,15 @@
+{
+  inputs,
+  ...
+}:
+
+{
+  imports = [
+    inputs.zen-browser.homeModules.twilight
+  ];
+  
+  programs.zen-browser = {
+    enable = true;
+    # policies = {};
+  };
+}
diff --git a/hosts/modules/steam.nix b/hosts/modules/steam.nix
new file mode 100644
index 0000000..7d409b6
--- /dev/null
+++ b/hosts/modules/steam.nix
@@ -0,0 +1,24 @@
+{upkgs, ...}: {
+  programs.steam = {
+    enable = true;
+    package = upkgs.millennium-steam;
+
+    remotePlay.openFirewall = true; # Open ports in the firewall for Steam Remote Play
+    dedicatedServer.openFirewall = true; # Open ports in the firewall for Source Dedicated Server
+    localNetworkGameTransfers.openFirewall = true;
+
+    extraCompatPackages = with upkgs; [
+      proton-ge-bin
+    ];
+  };
+
+  programs.gamemode.enable = true;
+
+  environment.systemPackages = with upkgs; [
+    steamcmd
+    protonup-qt
+
+    bottles
+    mangohud
+  ];
+}
diff --git a/hosts/nahemah/configuration.nix b/hosts/nahemah/configuration.nix
deleted file mode 100644
index 604175f..0000000
--- a/hosts/nahemah/configuration.nix
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  lib,
-  pkgs,
-  ...
-}:
-
-{
-  networking.hostName = lib.mkForce "nahemah";
-
-  environment.systemPackages = with pkgs; [
-
-  ];
-}
diff --git a/hosts/nahemah/default.nix b/hosts/nahemah/default.nix
new file mode 100644
index 0000000..2e29aba
--- /dev/null
+++ b/hosts/nahemah/default.nix
@@ -0,0 +1,7 @@
+{...}: {
+  imports = [
+    ./hardware-configuration.nix
+  ];
+
+  networking.hostName = "nahemah";
+}
diff --git a/hosts/sandalphon/configuration.nix b/hosts/sandalphon/configuration.nix
deleted file mode 100644
index b333047..0000000
--- a/hosts/sandalphon/configuration.nix
+++ /dev/null
@@ -1,48 +0,0 @@
-{
-  lib,
-  inputs,
-  pkgs,
-  config,
-  ...
-}:
-
-let
-  nvidiaPackage = config.hardware.nvidia.package;
-in
-{
-  networking.hostName = lib.mkForce "sandalphon";
-
-  # nvidia drivers
-  hardware.graphics.enable = true;
-  services.xserver.videoDrivers = lib.mkDefault [ "nvidia" ];
-  hardware.nvidia = {
-    modesetting.enable = true;
-    # Nvidia power management. Experimental, and can cause sleep/suspend to fail.
-    # Enable this if you have graphical corruption issues or application crashes after waking
-    # up from sleep. This fixes it by saving the entire VRAM memory to /tmp/ instead
-    # of just the bare essentials.
-    powerManagement.enable = false;
-
-    powerManagement.finegrained = false;
-    # open = true;
-    open = lib.mkOverride 990 (nvidiaPackage ? open && nvidiaPackage ? firmware);
-    # Enable the Nvidia settings menu,
-    # accessible via `nvidia-settings`.
-    nvidiaSettings = true;
-    package = config.boot.kernelPackages.nvidiaPackages.stable;
-  };
-
-  services.flatpak = {
-    enable = true;
-    packages = [
-      {
-        appId = "org.vinegarhq.Sober";
-        origin = "flathub";
-      }
-    ];
-  };
-
-  environment.systemPackages = with pkgs; [
-
-  ];
-}
diff --git a/hosts/sandalphon/default.nix b/hosts/sandalphon/default.nix
new file mode 100644
index 0000000..6c5ff1d
--- /dev/null
+++ b/hosts/sandalphon/default.nix
@@ -0,0 +1,35 @@
+{config, ...}: {
+  imports = [
+    ./hardware-configuration.nix
+    ./games.nix
+  ];
+
+  networking.hostName = "sandalphon";
+
+  # nvidia drivers
+  hardware.graphics.enable = true;
+  services.xserver.videoDrivers = ["nvidia"];
+  hardware.nvidia = {
+    package = config.boot.kernelPackages.nvidiaPackages.stable;
+    open = true;
+
+    nvidiaSettings = true;
+    modesetting.enable = true;
+    powerManagement.enable = false;
+    powerManagement.finegrained = false;
+  };
+
+  services.flatpak = {
+    enable = true;
+    packages = [
+      {
+        appId = "org.vinegarhq.Sober";
+        origin = "flathub";
+      }
+    ];
+  };
+
+  home-manager.sharedModules = [
+    ./mcsr
+  ];
+}
diff --git a/hosts/sandalphon/games.nix b/hosts/sandalphon/games.nix
index ec1fe17..187240d 100644
--- a/hosts/sandalphon/games.nix
+++ b/hosts/sandalphon/games.nix
@@ -1,14 +1,10 @@
-{ pkgs, ... }:
-
-{
-  imports = [ ./mcsr ];
-
+{upkgs, ...}: {
   # hardware = {
   #   xone.enable = true;
   #   xpadneo.enable = true;
   # };
 
-  environment.systemPackages = with pkgs; [
+  environment.systemPackages = with upkgs; [
     prismlauncher # minecraft
     r2modman
     # osu-lazer-bin
@@ -19,7 +15,7 @@
   programs = {
     obs-studio = {
       enable = true;
-      plugins = with pkgs.obs-studio-plugins; [
+      plugins = with upkgs.obs-studio-plugins; [
         obs-pipewire-audio-capture
       ];
     };
diff --git a/hosts/sandalphon/mcsr/default.nix b/hosts/sandalphon/mcsr/default.nix
index ffcd441..eeb82a4 100644
--- a/hosts/sandalphon/mcsr/default.nix
+++ b/hosts/sandalphon/mcsr/default.nix
@@ -1 +1 @@
-{ }
+import ./home.nix
diff --git a/hosts/sandalphon/mcsr/ninjabrain.nix b/hosts/sandalphon/mcsr/ninjabrain.nix
index cfb94f6..be14045 100644
--- a/hosts/sandalphon/mcsr/ninjabrain.nix
+++ b/hosts/sandalphon/mcsr/ninjabrain.nix
@@ -11,11 +11,11 @@
 }:
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "ninjabrain-bot";
-  version = "1.5.1";
+  version = "1.5.2";
 
   src = fetchurl {
     url = "https://github.com/Ninjabrain1/Ninjabrain-Bot/releases/download/${finalAttrs.version}/Ninjabrain-Bot-${finalAttrs.version}.jar";
-    hash = "sha256-Rxu9A2EiTr69fLBUImRv+RLC2LmosawIDyDPIaRcrdw=";
+    hash = "sha256-mAmfYyGpDUrOwTQA6G0F96+NYOVjnC84Qn6WjccUUP8=";
   };
 
   nativeBuildInputs = [ makeWrapper ];
diff --git a/hosts/sandalphon/mcsr/waywall.lua b/hosts/sandalphon/mcsr/waywall.lua
index aae7329..1297ea3 100644
--- a/hosts/sandalphon/mcsr/waywall.lua
+++ b/hosts/sandalphon/mcsr/waywall.lua
@@ -33,7 +33,7 @@ local mc_eye_y = (tall_h - mc_eye_h) / 2
 -- https://github.com/Esensats/mcsr-calcsens
 local normal_sens = 4.699455756166794
 local tall_sens = 0.31702247418659996
-
+-- 0.0229116492
 
 local left_middle = (resolution.w - thin_w) / 4
 scene:register("e_counter", {
diff --git a/nixpkgs.nix b/nixpkgs.nix
new file mode 100644
index 0000000..46b6e92
--- /dev/null
+++ b/nixpkgs.nix
@@ -0,0 +1,32 @@
+{
+  inputs,
+  system,
+  ...
+} @ args: {
+  nixpkgs.channels = {
+    default = {
+      inherit system;
+      overlays = [
+        (import ./overlays args)
+      ];
+      config = {
+        allowUnfree = true;
+        allowBroken = false;
+      };
+    };
+
+    # nixpkgs-unstable (upkgs)
+    upkgs = {
+      inherit system;
+      source = inputs.nixpkgs-unstable;
+      overlays = [
+        inputs.millennium.overlays.default
+        (import ./overlays args)
+      ];
+      config = {
+        allowUnfree = true;
+        allowBroken = false;
+      };
+    };
+  };
+}
diff --git a/overlays/default.nix b/overlays/default.nix
new file mode 100644
index 0000000..446cb54
--- /dev/null
+++ b/overlays/default.nix
@@ -0,0 +1,30 @@
+{
+  inputs,
+  system,
+  ...
+}: (
+  self: super: {
+    element-desktop = super.element-desktop.overrideAttrs (
+      final: prev: {
+        desktopItems = [
+          ((builtins.elemAt prev.desktopItems 0).override {
+            exec = "element-desktop %u --password-store=\"gnome-libsecret\"";
+          })
+        ];
+      }
+    );
+
+    waywall = super.waywall.overrideAttrs (
+      f: p: {
+        version = "0-unstable-2026-01-06";
+
+        src = super.fetchFromGitHub {
+          owner = "tesselslate";
+          repo = "waywall";
+          rev = "c6504f95f8d757a2e060c4df8bd3ed145ad59e8d";
+          hash = "sha256-kfBsppc+esz0Q6iIIKAeOMwkIWdN12AlH3Dji8bU32c=";
+        };
+      }
+    );
+  }
+)
diff --git a/snow.nix b/snow.nix
new file mode 100644
index 0000000..f132e1a
--- /dev/null
+++ b/snow.nix
@@ -0,0 +1,30 @@
+{inputs, ...}: {
+  nodes = {
+    base = inputs.nixpkgs-unstable;
+    homeManager = inputs.home-manager-unstable;
+
+    args = {inherit inputs;};
+    modules = [
+      inputs.nix-flatpak.nixosModules.nix-flatpak
+    ];
+
+    groups = {
+      # desktop environment group
+      yezelhlev = {};
+    };
+
+    nodes = {
+      # laptop
+      nahemah = {
+        system = "x86_64-linux";
+        groups = groups: [groups.yezelhlev];
+      };
+
+      # pc
+      sandalphon = {
+        system = "x86_64-linux";
+        groups = groups: [groups.yezelhlev];
+      };
+    };
+  };
+}
diff --git a/user.nix b/user.nix
deleted file mode 100644
index 22eaa3b..0000000
--- a/user.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-{ pkgs, ... }:
-{
-  users.users.dea = {
-    isNormalUser = true;
-    description = "dea";
-    extraGroups = [
-      "networkmanager"
-      "wheel"
-      "docker"
-    ];
-    packages = with pkgs; [
-      kdePackages.kate
-      #  thunderbird
-    ];
-  };
-}