added yazi as filechooser for xdg, and added override for some

conflicted package

.envrc

@@ -1 +0,0 @@
-eval "$(devenv direnvrc)"

Makefile

@@ -1,67 +0,0 @@
-# Makefile to safely clean up NixOS profiles, keeping only the last 3 generations.
-
-.PHONY: help dry-run clean-system clean-user clean-home-manager clean-all
-
-# Default target displays the help menu
-help:
-	@echo "NixOS Profile Cleanup Utility"
-	@echo "============================="
-	@echo "Available targets:"
-	@echo "  make dry-run             - Safe preview of what will be deleted"
-	@echo "  make clean-system        - Clean system generations and update bootloader (requires sudo)"
-	@echo "  make clean-user          - Clean current user's profile generations"
-	@echo "  make clean-home-manager  - Clean Home Manager generations (if applicable)"
-	@echo "  make clean-all           - Clean everything (System, User, and Home Manager)"
-
-# Dry run to preview changes without deleting anything
-dry-run:
-	@echo "=== [DRY RUN] System Profile ==="
-	sudo nix-env --profile /nix/var/nix/profiles/system --delete-generations +3 --dry-run
-	@echo "\n=== [DRY RUN] User Profile ==="
-	nix-env --delete-generations +3 --dry-run
-	@echo "\n=== [DRY RUN] Home Manager Profile ==="
-	@if [ -d "$$HOME/.local/state/nix/profiles/home-manager" ]; then \
-		nix-env --profile "$$HOME/.local/state/nix/profiles/home-manager" --delete-generations +3 --dry-run; \
-	elif [ -d "$$HOME/.nix-profile" ]; then \
-		echo "No Home Manager directory found, but user profile exists."; \
-	else \
-		echo "No Home Manager profile detected."; \
-	fi
-
-# Clean system generations (requires sudo)
-clean-system:
-	@echo "--- Cleaning System Profile (SUDO) ---"
-	sudo nix-env --profile /nix/var/nix/profiles/system --delete-generations +3
-	sudo nix-collect-garbage
-	@echo "--- Updating Bootloader Menu ---"
-	sudo nixos-rebuild boot --flake
-
-# Clean user generations (no sudo)
-clean-user:
-	@echo "--- Cleaning User Profile ---"
-	nix-env --delete-generations +3
-	nix-collect-garbage
-
-# Clean Home Manager generations (no sudo)
-clean-home-manager:
-	@echo "--- Cleaning Home Manager Profile ---"
-	@if [ -d "$$HOME/.local/state/nix/profiles/home-manager" ]; then \
-		nix-env --profile "$$HOME/.local/state/nix/profiles/home-manager" --delete-generations +3; \
-		nix-collect-garbage; \
-	else \
-		echo "No Home Manager profile found. Skipping."; \
-	fi
-
-# Clean everything in one go
-clean-all: clean-system clean-user clean-home-manager
-	@echo "All cleanups successfully completed!"
-
-# Rebuild
-rebuild:
-	@echo "--- Rebuilding System ---"
-	sudo nixos-rebuild switch --flake
-
-# Update flake
-update:
-	@echo "--- Updating Flake ---"
-	sudo nix flake update

devenv.nix

@@ -1,46 +0,0 @@
-{ pkgs, lib, config, inputs, ... }:
-
-{
-  # https://devenv.sh/basics/
-  env.GREET = "devenv";
-
-  # https://devenv.sh/packages/
-  packages = [ pkgs.git ];
-
-  # https://devenv.sh/languages/
-  # languages.rust.enable = true;
-
-  # https://devenv.sh/processes/
-  # processes.dev.exec = "${lib.getExe pkgs.watchexec} -n -- ls -la";
-
-  # https://devenv.sh/services/
-  # services.postgres.enable = true;
-
-  # https://devenv.sh/scripts/
-  scripts.hello.exec = ''
-    echo hello from $GREET
-  '';
-
-  # https://devenv.sh/basics/
-  enterShell = ''
-    hello         # Run scripts directly
-    git --version # Use packages
-  '';
-
-  # https://devenv.sh/tasks/
-  # tasks = {
-  #   "myproj:setup".exec = "mytool build";
-  #   "devenv:enterShell".after = [ "myproj:setup" ];
-  # };
-
-  # https://devenv.sh/tests/
-  enterTest = ''
-    echo "Running tests"
-    git --version | grep --color=auto "${pkgs.git.version}"
-  '';
-
-  # https://devenv.sh/git-hooks/
-  # git-hooks.hooks.shellcheck.enable = true;
-
-  # See full reference at https://devenv.sh/reference/options/
-}

devenv.yaml

@@ -1,18 +0,0 @@
-# yaml-language-server: $schema=https://devenv.sh/devenv.schema.json
-inputs:
-  nixpkgs:
-    url: github:cachix/devenv-nixpkgs/rolling
-
-# If you're using non-OSS software, you can set allow_unfree to true.
-# allow_unfree: true
-
-# If you're not willing to allow unsupported packages:
-# allow_unsupported_system: false
-
-# If you're willing to use a package that's vulnerable
-# permitted_insecure_packages:
-#  - "openssl-1.1.1w"
-
-# If you have more than one devenv you can merge them
-#imports:
-# - ./backend

flake.lock

@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1784789275,
+        "lastModified": 1792668857,
-        "narHash": "sha256-cgRTWuG+u1tBPhm01JrId2k0Bni09phVJ1Q0BZlRd7M=",
+        "narHash": "sha256-chUrnAqBhBLvXBUsLFxFYBIl8c0GWp06wdjmAMS8l+U=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "3b0e6bbd65869af1beadf5963a99befc179d209f",
+        "rev": "cb7de2c7e589afe7531d4832c71ad4df144624ea",
         "type": "github"
       },
       "original": {
@@ -22,11 +22,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1784497964,
+        "lastModified": 1792502884,
-        "narHash": "sha256-WhdsTtaih3DgTPP/PX023b36UNQyMzEoi6GkPyGx0y4=",
+        "narHash": "sha256-ij8QUxzTOHovLrNOxVRx+RAhGQFOMsJbji0veiatH5k=",
-        "rev": "241313f4e8e508cb9b13278c2b0fa25b9ca27163",
+        "rev": "02c087f3fe673c9e317f206a627cb6b910336dbe",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/unstable/nixos-26.11pre1037713.241313f4e8e5/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/unstable/nixos-26.11pre1097682.02c087f3fe67/nixexprs.tar.zst"
       },
       "original": {
         "id": "nixpkgs",
@@ -38,9 +38,52 @@
       "inputs": {
         "home-manager": "home-manager",
         "nixpkgs": "nixpkgs",
+        "xwayland-satellite": "xwayland-satellite",
         "zen-browser": "zen-browser"
       }
     },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "xwayland-satellite",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1769222645,
+        "narHash": "sha256-gu6oZ86zLudBZMq8LL1qdtYt/S69GV5keQVXdvBrVSU=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "22da29e7f3d8cff75009cbbcf992c7cb66920cfd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    },
+    "xwayland-satellite": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-overlay": "rust-overlay"
+      },
+      "locked": {
+        "lastModified": 1792070459,
+        "narHash": "sha256-qGSyMXPHiXWp9/nE5Zs1DJN5NmZFvoxaBS5Y9i7p0Pc=",
+        "owner": "Supreeeme",
+        "repo": "xwayland-satellite",
+        "rev": "97a89cec53eb4f8788386a574450dd94c0538754",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Supreeeme",
+        "repo": "xwayland-satellite",
+        "type": "github"
+      }
+    },
     "zen-browser": {
       "inputs": {
         "home-manager": [
@@ -51,11 +94,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1784822396,
+        "lastModified": 1792595242,
-        "narHash": "sha256-gW59E7cwPetoOAcygLtHQX7a3C8VdWz6T0GazldcxU0=",
+        "narHash": "sha256-kH/E0uJDslOgYcnmU+c0cm6HrUjsEtvZQKZtuQ1+uvo=",
         "owner": "0xc000022070",
         "repo": "zen-browser-flake",
-        "rev": "a68b1580a237cae4c9f86e04ac972726e3f87fdb",
+        "rev": "f19490ac889eabb05bdb7e8dcb85225ee75bd87b",
         "type": "github"
       },
       "original": {

flake.nix

@@ -14,6 +14,10 @@
         home-manager.follows = "home-manager";
       };
     };
+    xwayland-satellite = {
+      url = "github:Supreeeme/xwayland-satellite";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs =
@@ -23,8 +27,11 @@
       ...
     }:
     {
+      formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixfmt-tree;
+
       nixosConfigurations.prouk = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
+        specialArgs = { inherit inputs; };
         modules = [
           ./nixos
           home-manager.nixosModules.home-manager

home/config/alacritty/alacritty.toml

@@ -0,0 +1,10 @@
+[window]
+
+padding = {
+  x = 5,
+  y = 5
+}
+
+decorations = "None"
+
+opacity = 0.8

home/config/default.nix

@@ -1,8 +0,0 @@
-{ ... }:
-{
-  xdg.configFile."niri" = {
-    force = true;
-    recursive = true;
-    source = ./niri;
-  };
-}

home/config/fuzzel/fuzzel.ini

@@ -0,0 +1,36 @@
+[main]
+use-bold=yes
+dpi-aware=no
+fields=name,generic,comment,categories,filename,keywords,exec
+terminal=alacritty
+prompt="What ? "
+placeholder="Search and launch"
+icon-theme=Papirus
+icons-enabled=yes
+show-actions=no
+anchor=center
+x-margin=10
+y-margin=10
+lines=10
+width=60
+horizontal-pad=20
+vertical-pad=20
+inner-pad=5
+line-height=27
+letter-spacing=0
+image-size-ratio=0.4
+layer=top
+exit-on-keyboard-focus-loss = yes
+
+[colors]
+background=140c1dfa
+prompt=dcd7baff
+input=dcd7baff
+text=938aa9ff
+match=1c0c1dff
+selection=1c0c1dff
+selection-text=161736
+
+[border]
+width=0
+radius=7

home/config/helix/config.toml

@@ -0,0 +1,19 @@
+theme = "kanagawa-dragon-transparent"
+
+[editor]
+line-number = "relative"
+cursorline = true
+color-modes = true
+bufferline = "multiple"
+true-color = true
+
+[editor.cursor-shape]
+insert = "bar"
+normal = "block"
+select = "underline"
+
+[editor.indent-guides]
+render = true
+
+[editor.lsp]
+display-inlay-hints = true

home/config/helix/themes/kanagawa-dragon-transparent.toml

@@ -0,0 +1,3 @@
+inherits = "kanagawa-dragon"
+
+"ui.background" = { fg = "dragonWhite" }

home/config/niri/animations.kdl

@@ -1,2 +1,10 @@
 animations {
+    window-open {
+        duration-ms 200
+        curve "ease-out-expo"
+    }
+    window-close {
+        duration-ms 150
+        curve "ease-out-quad"
+    }
 }

home/config/niri/config.kdl

@@ -19,3 +19,10 @@ cursor {
 prefer-no-csd
 
 screenshot-path "~/Pictures/Screenshots/Screenshot from %Y-%m-%d %H-%M-%S.png"
+
+blur {
+    passes 3
+    offset 3.0
+    noise 0.02
+    saturation 1.75
+}

home/config/niri/env.kdl

@@ -44,12 +44,12 @@ environment {
     // Clutter: Force Wayland backend.
     CLUTTER_BACKEND "wayland"
 
-    // Firefox: Force native Wayland rendering (massively improves scrolling smoothness).
-    MOZ_ENABLE_WAYLAND "1"
-
     // Electron/Chromium: Automatically flags apps (VS Code, Discord, Obsidian) to use Wayland.
     ELECTRON_OZONE_PLATFORM_HINT "auto"
 
+    // GTK: Route file dialogs through the XDG portal (yazi file picker).
+    GDK_DEBUG "portals"
+
     // =========================================================================
     // 5. DESKTOP SESSION IDENTIFICATION
     // =========================================================================
@@ -57,4 +57,11 @@ environment {
     XDG_SESSION_TYPE "wayland"
     XDG_CURRENT_DESKTOP "niri"
     XDG_SESSION_DESKTOP "niri"
+
+    // =========================================================================
+    // 6. STEAM / PROTON
+    // =========================================================================
+    // Stuff for gaming
+    PROTON_ADD_CONFIG "wayland,dlss"
+    DXVK_CONFIG "dxvk.enableNvRawAccessChains=False"
 }

home/config/niri/keybinds.kdl

@@ -16,6 +16,7 @@ binds {
     Mod+Down { focus-workspace-down; }
 
     Mod+R { switch-preset-column-width; }
+    Mod+Shift+R { switch-preset-column-width-back; }
 
     Mod+Ctrl+R { reset-window-height; }
 

home/config/niri/layout.kdl

@@ -1,13 +1,13 @@
 layout {
     background-color "transparent"
-    gaps 16
+    gaps 3
 
     center-focused-column "never"
 
     preset-column-widths {
         proportion 0.33333
         proportion 0.5
-        proportion 0.66667
+        proportion 1.0
     }
 
     default-column-width { proportion 0.5; }

home/config/niri/startup.kdl

@@ -1,2 +1,2 @@
 spawn-at-startup "awww-daemon"
-spawn-at-startup "awww img ~/Pictures/Wallpapers/Wallpaper.png --resize crop --crop-gravity center"
+spawn-at-startup "awww img ~/Pictures/Wallpapers/wallpaper.png --resize crop --crop-gravity center"

home/config/niri/wrules.kdl

@@ -3,7 +3,18 @@ window-rule {
     open-floating true
 }
 
+window-rule {
+    match title="^termfilechooser$"
+    open-floating true
+    default-column-width { proportion 0.6; }
+    default-window-height { proportion 0.6; }
+}
+
 window-rule {
     geometry-corner-radius 12
     clip-to-geometry true
+
+    background-effect {
+        blur true
+    }
 }

home/default.nix

@@ -1,37 +1,16 @@
-{
+{ ... }:
-  pkgs,
-  ...
-}:
 
 {
   imports = [
-    ./user.nix
+    ./shell.nix
-    ./programs.nix
+    ./dotfiles.nix
-    ./code.nix
+    ./portal.nix
-    ./config
+    ./packages
-    ./look.nix
   ];
 
-  programs.git.enable = true;
+  home = {
-  programs.bash.enable = true;
+    username = "prouk";
-  programs.direnv = {
+    homeDirectory = "/home/prouk";
-    enable = true;
+    stateVersion = "26.05";
-    enableBashIntegration = true;
   };
-  home.packages = with pkgs; [
-    xwayland-satellite
-    github-copilot-cli
-    vesktop
-    pavucontrol
-    wev
-    lutris
-    fuzzel
-    gparted
-    yazi
-    btop
-    awww
-    wootility
-    wooting-udev-rules
-  ];
-  home.stateVersion = "26.05";
 }

home/dotfiles.nix

@@ -0,0 +1,31 @@
+{ ... }:
+{
+  # Desktop
+  xdg.configFile."niri" = {
+    force = true;
+    recursive = true;
+    source = ./config/niri;
+  };
+  xdg.configFile."fuzzel" = {
+    force = true;
+    recursive = true;
+    source = ./config/fuzzel;
+  };
+  # Shared with SDDM (nixos/desktop/sddm.nix); niri loads it from this path.
+  home.file."Pictures/Wallpapers/wallpaper.png" = {
+    force = true;
+    source = ../assets/wallpaper.png;
+  };
+
+  # Terminal
+  xdg.configFile."alacritty" = {
+    force = true;
+    recursive = true;
+    source = ./config/alacritty;
+  };
+  xdg.configFile."helix" = {
+    force = true;
+    recursive = true;
+    source = ./config/helix;
+  };
+}

home/packages/audio.nix

@@ -0,0 +1,7 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    helvum
+    pavucontrol
+  ];
+}

home/packages/default.nix

@@ -0,0 +1,13 @@
+{ ... }:
+{
+  imports = [
+    ./desktop.nix
+    ./system.nix
+    ./audio.nix
+    ./hardware.nix
+    ./development.nix
+    ./web.nix
+    ./media.nix
+    ./gaming.nix
+  ];
+}

home/packages/desktop.nix

@@ -1,9 +1,15 @@
 { pkgs, ... }:
 {
-  gtk = {
+  home.packages = with pkgs; [
-    enable = true;
+    alacritty
-  };
+    awww
+    fuzzel
+    wev
+    wl-clip-persist
+  ];
 
+  # Theming
+  gtk.enable = true;
   home.pointerCursor = {
     enable = true;
     gtk.enable = true;
@@ -13,4 +19,10 @@
     name = "Colloid-dark-cursors";
     size = 24;
   };
+
+  # Removable drives
+  services.udiskie = {
+    enable = true;
+    automount = true;
+  };
 }

home/packages/development.nix

@@ -1,12 +1,19 @@
 { pkgs, ... }:
 {
-  programs.zed-editor = {
-    enable = true;
-    defaultEditor = true;
-  };
   home.packages = with pkgs; [
     devenv
+    github-copilot-app
+    github-copilot-cli
+    helix
+    jujutsu
+    just
     nil
     nixd
+    scrcpy
   ];
+
+  programs.zed-editor = {
+    enable = true;
+    defaultEditor = false;
+  };
 }

home/packages/gaming.nix

@@ -0,0 +1,33 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    # Launchers
+    gamma-launcher
+    lutris
+
+    # Wine / Proton
+    protontricks
+    protonup-qt
+    steamtinkerlaunch
+    winetricks
+
+    # Overlays
+    mangohud
+
+    # Path of Exile
+    awakened-poe-trade
+    rusty-path-of-building
+  ];
+
+  xdg.desktopEntries."awakened-poe-trade" = {
+    name = "Awakened PoE Trade";
+    exec = "${pkgs.awakened-poe-trade}/bin/awakened-poe-trade --no-overlay --listen=0.0.0.0:33333 %U";
+    terminal = false;
+    type = "Application";
+    icon = "awakened-poe-trade";
+    categories = [
+      "Game"
+      "Utility"
+    ];
+  };
+}

home/packages/hardware.nix

@@ -0,0 +1,6 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    wootility
+  ];
+}

home/packages/media.nix

@@ -0,0 +1,6 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    sone
+  ];
+}

home/packages/system.nix

@@ -0,0 +1,9 @@
+{ pkgs, ... }:
+{
+  home.packages = with pkgs; [
+    btop
+    gparted
+    yazi
+    unzip
+  ];
+}

home/packages/web.nix

@@ -0,0 +1,43 @@
+{ pkgs, inputs, ... }:
+let
+  # Track latest upstream Equicord release (nixpkgs lags behind).
+  equicord = pkgs.equicord.overrideAttrs (
+    finalAttrs: prev: {
+      version = "2026-10-01";
+      src = pkgs.fetchFromGitHub {
+        owner = "Equicord";
+        repo = "Equicord";
+        tag = finalAttrs.version;
+        hash = "sha256-hk2/djNmbwIBwVAJ1bj3ayurj85EPfMUgmAr1SpYlvw=";
+      };
+      pnpmDeps = prev.pnpmDeps.overrideAttrs {
+        inherit (finalAttrs) src;
+        outputHash = "sha256-rx8z6PAlAPaZbkmg+3Vvq8OXR/yy5ZP0PmAk97ZDOSQ=";
+      };
+    }
+  );
+in
+{
+  imports = [
+    inputs.zen-browser.homeModules.twilight
+  ];
+
+  home.packages = with pkgs; [
+    (discord.override {
+      withEquicord = true;
+      withOpenASAR = true;
+      inherit equicord;
+    })
+    chromium
+  ];
+
+  programs.zen-browser = {
+    enable = true;
+    setAsDefaultBrowser = true;
+    profiles.default = {
+      sine.enable = true;
+      # Use the XDG portal (yazi, see home/portal.nix) for file dialogs.
+      settings."widget.use-xdg-desktop-portal.file-picker" = 1;
+    };
+  };
+}

home/portal.nix

@@ -0,0 +1,53 @@
+{ pkgs, config, ... }:
+let
+  termfilechooser = pkgs.xdg-desktop-portal-termfilechooser;
+in
+{
+  # Use yazi (in alacritty) as the file picker for every app that goes through
+  # the XDG FileChooser portal.
+  #
+  # Portal/D-Bus files are found through XDG_DATA_DIRS (user profile), so we
+  # deliberately don't enable HM's `xdg.portal`: it would point
+  # NIX_XDG_DESKTOP_PORTAL_DIR at the user profile only and hide the
+  # system-wide gnome/gtk portals that niri relies on.
+  home.packages = [ termfilechooser ];
+
+  # The D-Bus activation file references this unit by name, and HM doesn't
+  # link `share/systemd/user` from packages.
+  systemd.user.services.xdg-desktop-portal-termfilechooser = {
+    Unit = {
+      Description = "Portal service (terminal file chooser implementation)";
+      PartOf = [ "graphical-session.target" ];
+      After = [ "graphical-session.target" ];
+    };
+    Service = {
+      Type = "dbus";
+      BusName = "org.freedesktop.impl.portal.desktop.termfilechooser";
+      ExecStart = "${termfilechooser}/libexec/xdg-desktop-portal-termfilechooser";
+      Environment = [ "PATH=${config.home.profileDirectory}/bin:/run/current-system/sw/bin" ];
+      Restart = "on-failure";
+      Slice = "session.slice";
+    };
+  };
+
+  xdg.configFile = {
+    # Overrides niri's shipped niri-portals.conf, so its entries are repeated here.
+    "xdg-desktop-portal/niri-portals.conf".text = ''
+      [preferred]
+      default=gnome;gtk;
+      org.freedesktop.impl.portal.Access=gtk;
+      org.freedesktop.impl.portal.Notification=gtk;
+      org.freedesktop.impl.portal.Secret=gnome-keyring;
+      org.freedesktop.impl.portal.FileChooser=termfilechooser;
+    '';
+
+    "xdg-desktop-portal-termfilechooser/config".text = ''
+      [filechooser]
+      cmd=${termfilechooser}/share/xdg-desktop-portal-termfilechooser/yazi-wrapper.sh
+      default_dir=$HOME
+      env=TERMCMD=alacritty --title termfilechooser -e
+      open_mode=suggested
+      save_mode=suggested
+    '';
+  };
+}

home/programs.nix

@@ -1,11 +0,0 @@
-{ inputs, ... }:
-{
-  imports = [
-    inputs.zen-browser.homeModules.twilight
-  ];
-
-  programs.zen-browser = {
-    enable = true;
-    setAsDefaultBrowser = true;
-  };
-}

home/shell.nix

@@ -0,0 +1,17 @@
+{ ... }:
+{
+  programs.fish = {
+    enable = true;
+    # nixpkgs' devenv only ships fish completions, not the auto-loaded hook.
+    interactiveShellInit = ''
+      devenv hook fish | source
+    '';
+  };
+
+  programs.bash = {
+    enable = true;
+    bashrcExtra = "eval \"$(devenv hook bash)\"\n";
+  };
+
+  programs.git.enable = true;
+}

home/user.nix

@@ -1,5 +0,0 @@
-{ ... }:
-{
-  home.username = "prouk";
-  home.homeDirectory = "/home/prouk";
-}

justfile

@@ -0,0 +1,77 @@
+# Justfile to safely clean up NixOS profiles, keeping only the last 3 generations.
+# Uses nh (https://github.com/nix-community/nh) when available, falling back to plain nix commands.
+
+host := "prouk"
+keep := "3"
+nh := `command -v nh || true`
+hm_profile := env("HOME") / ".local/state/nix/profiles/home-manager"
+
+# Default recipe displays the help menu.
+help:
+    @echo "NixOS Profile Cleanup Utility"
+    @echo "============================="
+    @echo "nh: {{ if nh != "" { "found (" + nh + ")" } else { "not found, using plain nix commands" } }}"
+    @echo "Available recipes:"
+    @echo "  just dry-run             - Safe preview of what will be deleted"
+    @echo "  just clean-all           - Clean System, User and Home Manager generations (requires sudo)"
+    @echo "  just build               - Rebuild and switch the system"
+    @echo "  just update              - Update flake inputs"
+
+# Dry run to preview changes without deleting anything.
+dry-run:
+    #!/usr/bin/env bash
+    set -euo pipefail
+    if [ -n "{{ nh }}" ]; then
+        echo "=== [DRY RUN] All profiles (nh) ==="
+        nh clean all --keep {{ keep }} --dry
+        exit 0
+    fi
+    echo "=== [DRY RUN] System Profile ==="
+    sudo nix-env --profile /nix/var/nix/profiles/system --delete-generations +{{ keep }} --dry-run
+    echo -e "\n=== [DRY RUN] User Profile ==="
+    nix-env --delete-generations +{{ keep }} --dry-run
+    echo -e "\n=== [DRY RUN] Home Manager Profile ==="
+    if [ -e "{{ hm_profile }}" ]; then
+        nix-env --profile "{{ hm_profile }}" --delete-generations +{{ keep }} --dry-run
+    elif [ -d "$HOME/.nix-profile" ]; then
+        echo "No Home Manager directory found, but user profile exists."
+    else
+        echo "No Home Manager profile detected."
+    fi
+
+# Clean system, user and Home Manager generations, then update the bootloader (requires sudo).
+clean-all:
+    #!/usr/bin/env bash
+    set -euo pipefail
+    if [ -n "{{ nh }}" ]; then
+        echo "--- Cleaning All Profiles (nh) ---"
+        nh clean all --keep {{ keep }}
+        echo "--- Updating Bootloader Menu ---"
+        nh os boot . --hostname {{ host }}
+    else
+        echo "--- Cleaning System Profile (SUDO) ---"
+        sudo nix-env --profile /nix/var/nix/profiles/system --delete-generations +{{ keep }}
+        echo "--- Cleaning User Profile ---"
+        nix-env --delete-generations +{{ keep }}
+        echo "--- Cleaning Home Manager Profile ---"
+        if [ -e "{{ hm_profile }}" ]; then
+            nix-env --profile "{{ hm_profile }}" --delete-generations +{{ keep }}
+        else
+            echo "No Home Manager profile found. Skipping."
+        fi
+        sudo nix-collect-garbage
+        nix-collect-garbage
+        echo "--- Updating Bootloader Menu ---"
+        sudo nixos-rebuild boot --flake .#{{ host }}
+    fi
+    echo "All cleanups successfully completed!"
+
+# Build.
+build:
+    @echo "--- Rebuilding System ---"
+    {{ if nh != "" { "nh os switch . --hostname " + host } else { "sudo nixos-rebuild switch --flake .#" + host } }}
+
+# Update flake.
+update:
+    @echo "--- Updating Flake ---"
+    nix flake update

nixos/default.nix

@@ -1,64 +1,35 @@
-{ pkgs, ... }:
+{ ... }:
 
 {
   imports = [
     ./hardware-configuration.nix
-    ./graphics
-    ./audio.nix
-    ./fonts/fonts.nix
-    ./dm/sddm.nix
-    ./wm/niri.nix
-    ./inputs/wooting.nix
-    ./inputs/wooting.nix
-    ./network/bluetooth.nix
-    ./steam/steam.nix
-  ];
 
-  boot.loader.systemd-boot.enable = true;
+    # System
-  boot.loader.efi.canTouchEfiVariables = true;
+    ./system/boot.nix
+    ./system/nix.nix
+    ./system/networking.nix
+    ./system/locale.nix
+    ./system/users.nix
 
-  networking.hostName = "prouk";
+    # Hardware
-  networking.networkmanager.enable = true;
+    ./hardware/graphics.nix
+    ./hardware/nvidia.nix
+    ./hardware/audio.nix
+    ./hardware/bluetooth.nix
+    ./hardware/storage.nix
+    ./hardware/wooting.nix
 
-  time.timeZone = "Europe/Paris";
+    # Desktop
+    ./desktop/fonts.nix
+    ./desktop/sddm.nix
+    ./desktop/niri.nix
 
-  users.users.prouk = {
+    # Programs
-    isNormalUser = true;
+    ./programs/gaming.nix
-    extraGroups = [ "wheel" ];
+    ./programs/obs.nix
-  };
+    ./programs/nh.nix
-
-  programs.firefox.enable = true;
-  programs.nix-ld.enable = true;
-
-  nixpkgs.config.allowUnfree = true;
-  nixpkgs.config.permittedInsecurePackages = [
-    "electron-40.10.5"
-  ];
-
-  nix.settings.experimental-features = [
-    "nix-command"
-    "flakes"
   ];
 
   # NO TOUCHY
   system.stateVersion = "26.05";
-
-  boot.kernelPackages = pkgs.linuxPackages_latest;
-
-  environment.systemPackages = with pkgs; [
-    gnumake
-  ];
-
-  nix.settings = {
-    trusted-users = [ "prouk" ];
-
-    substituters = [
-      "https://cache.nixos.org"
-      "https://nix-community.cachix.org"
-    ];
-    trusted-public-keys = [
-      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
-      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-    ];
-  };
 }

nixos/desktop/niri.nix

@@ -0,0 +1,8 @@
+{ pkgs, inputs, ... }:
+{
+  programs.niri.enable = true;
+
+  environment.systemPackages = [
+    inputs.xwayland-satellite.packages.${pkgs.stdenv.hostPlatform.system}.default
+  ];
+}

nixos/desktop/sddm.nix

@@ -0,0 +1,72 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+let
+  # Same wallpaper niri displays (see home/dotfiles.nix).
+  wallpaper = ../../assets/wallpaper.png;
+
+  sddmTheme =
+    (pkgs.sddm-astronaut.override {
+      themeConfig = {
+        Background = "Backgrounds/wallpaper.png";
+        CropBackground = "true";
+      };
+    }).overrideAttrs
+      (old: {
+        postInstall = (old.postInstall or "") + ''
+          chmod u+w $out/share/sddm/themes/sddm-astronaut-theme/Backgrounds
+          install -Dm644 ${wallpaper} $out/share/sddm/themes/sddm-astronaut-theme/Backgrounds/wallpaper.png
+        '';
+      });
+
+  # Weston (the greeter compositor) must use the same modes as niri
+  # (home/config/niri/outputs.kdl), otherwise the monitors do a full
+  # modeset when niri takes over, causing a black screen on login.
+  xkb = config.services.xserver.xkb;
+  westonIni = (pkgs.formats.iniWithGlobalSection { }).generate "weston.ini" {
+    sections = {
+      libinput = {
+        enable-tap = config.services.libinput.mouse.tapping;
+        left-handed = config.services.libinput.mouse.leftHanded;
+      };
+      keyboard = {
+        keymap_model = xkb.model;
+        keymap_layout = xkb.layout;
+        keymap_variant = xkb.variant;
+        keymap_options = xkb.options;
+      };
+    };
+  };
+  westonOutputs = pkgs.writeText "weston-outputs.ini" ''
+    [output]
+    name=DP-2
+    mode=2560x1440@240
+
+    [output]
+    name=DP-3
+    mode=1920x1080@144
+    transform=rotate-90
+  '';
+  westonConfig = pkgs.runCommand "weston.ini" { } ''
+    cat ${westonIni} > $out
+    echo >> $out
+    cat ${westonOutputs} >> $out
+  '';
+in
+{
+  services.displayManager.sddm = {
+    enable = true;
+    wayland = {
+      enable = true;
+      compositorCommand = "${lib.getExe pkgs.weston} --shell=kiosk -c ${westonConfig}";
+    };
+    package = pkgs.kdePackages.sddm;
+    theme = "sddm-astronaut-theme";
+    extraPackages = [ sddmTheme ];
+  };
+
+  environment.systemPackages = [ sddmTheme ];
+}

nixos/dm/sddm.nix

@@ -1,7 +0,0 @@
-{ ... }:
-{
-  services.displayManager.sddm = {
-    enable = true;
-    wayland.enable = true;
-  };
-}

nixos/graphics/default.nix

@@ -1,10 +0,0 @@
-{ ... }:
-{
-  hardware.graphics = {
-    enable = true;
-  };
-
-  imports = [
-    ./nvidia.nix
-  ];
-}

nixos/hardware/audio.nix

@@ -8,7 +8,7 @@
     alsa.enable = true;
     alsa.support32Bit = true;
     pulse.enable = true;
-    jack.enable = true;
+    jack.enable = false;
   };
 
   environment.systemPackages = with pkgs; [

nixos/hardware/graphics.nix

@@ -0,0 +1,4 @@
+{ ... }:
+{
+  hardware.graphics.enable = true;
+}

nixos/hardware/nvidia.nix

@@ -6,15 +6,19 @@
   hardware.nvidia = {
     branch = "bleeding_edge";
     modesetting.enable = true;
-    powerManagement.enable = false;
-    powerManagement.finegrained = false;
     open = true;
     nvidiaSettings = true;
   };
 
   environment.systemPackages = with pkgs; [
+    egl-wayland
+    lact
     libva-utils
     nvidia-vaapi-driver
     nvtopPackages.nvidia
   ];
+
+  # LACT GPU control daemon
+  systemd.packages = with pkgs; [ lact ];
+  systemd.services.lactd.wantedBy = [ "multi-user.target" ];
 }

nixos/hardware/storage.nix

@@ -0,0 +1,4 @@
+{ ... }:
+{
+  services.udisks2.enable = true;
+}

nixos/programs/gaming.nix

@@ -0,0 +1,10 @@
+{ ... }:
+{
+  programs = {
+    steam.enable = true;
+    gamescope = {
+      enable = true;
+      capSysNice = false;
+    };
+  };
+}

nixos/programs/nh.nix

@@ -0,0 +1,11 @@
+{ ... }:
+{
+  # nh: nicer frontend for nixos-rebuild / nix-collect-garbage.
+  # Cleanup stays on nix.gc (see system/nix.nix) to avoid two GC timers.
+  programs.nh = {
+    enable = true;
+    clean.enable = true;
+    clean.extraArgs = "--keep-since 4d --keep 3";
+    flake = "/home/prouk/flake";
+  };
+}

nixos/programs/obs.nix

@@ -0,0 +1,17 @@
+{ pkgs, ... }:
+{
+  programs.obs-studio = {
+    enable = true;
+    package = (
+      pkgs.obs-studio.override {
+        cudaSupport = true;
+      }
+    );
+    enableVirtualCamera = true;
+
+    plugins = with pkgs.obs-studio-plugins; [
+      wlrobs
+      obs-pipewire-audio-capture
+    ];
+  };
+}

nixos/steam/steam.nix

@@ -1,16 +0,0 @@
-{ pkgs, ... }:
-{
-  programs = {
-    steam.enable = true;
-    gamescope = {
-      enable = true;
-      capSysNice  = false;
-    };
-  };
-  environment.systemPackages = with pkgs; [
-    SDL2
-    protonup-rs
-    protontricks
-    winetricks
-  ];
-}

nixos/system/boot.nix

@@ -0,0 +1,34 @@
+{ pkgs, ... }:
+{
+  boot = {
+    # TODO: drop the extend once NixOS/nixpkgs#575861 lands (v4l2loopback ships
+    # depmod files that conflict with the kernel's in linux-*-modules).
+    kernelPackages = pkgs.linuxPackages_latest.extend (
+      _: prev: {
+        v4l2loopback = prev.v4l2loopback.overrideAttrs (old: {
+          installFlags = (old.installFlags or [ ]) ++ [ "DEPMOD=true" ];
+        });
+      }
+    );
+
+    loader = {
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = true;
+      # Skip the boot menu; hold Space while booting to show it.
+      timeout = 0;
+      # Keep /boot from filling up with old generations.
+      systemd-boot.configurationLimit = 5;
+    };
+
+    # Quiet boot
+    consoleLogLevel = 3;
+    initrd.verbose = false;
+    kernelParams = [
+      "quiet"
+      "udev.log_level=3"
+      "rd.udev.log_level=3"
+      "systemd.show_status=auto"
+      "rd.systemd.show_status=auto"
+    ];
+  };
+}

nixos/system/locale.nix

@@ -0,0 +1,4 @@
+{ ... }:
+{
+  time.timeZone = "Europe/Paris";
+}

nixos/system/networking.nix

@@ -0,0 +1,7 @@
+{ ... }:
+{
+  networking = {
+    hostName = "prouk";
+    networkmanager.enable = true;
+  };
+}

nixos/system/nix.nix

@@ -0,0 +1,27 @@
+{ ... }:
+{
+  nix.settings = {
+    experimental-features = [
+      "nix-command"
+      "flakes"
+    ];
+    trusted-users = [ "prouk" ];
+
+    substituters = [
+      "https://cache.nixos.org"
+      "https://nix-community.cachix.org"
+    ];
+    trusted-public-keys = [
+      "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
+      "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+    ];
+  };
+
+  nixpkgs.config.allowUnfree = true;
+
+  # Housekeeping
+  nix.optimise.automatic = true;
+
+  # Run unpatched dynamic binaries.
+  programs.nix-ld.enable = true;
+}

nixos/system/users.nix

@@ -0,0 +1,11 @@
+{ pkgs, ... }:
+{
+  # Required so fish is registered in /etc/shells and gets the NixOS environment.
+  programs.fish.enable = true;
+
+  users.users.prouk = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" ];
+    shell = pkgs.fish;
+  };
+}

nixos/wm/niri.nix

@@ -1,13 +0,0 @@
-{ pkgs, ... }:
-{
-  programs.niri.enable = true;
-  programs.xwayland.enable = true;
-
-  environment.variables = {
-    NIXOS_OZONE_WLEGL = "1";
-  };
-
-  environment.systemPackages = with pkgs; [
-    alacritty
-  ];
-}