130 files changed, 3866 insertions, 1897 deletions
diff --git a/.sops.yaml b/.sops.yaml
index 948383b2..a65dca8e 100644
--- a/.sops.yaml
+++ b/.sops.yaml
@@ -8,6 +8,12 @@ creation_rules:
  - path_regex: ^hosts/surtr/email/ca
    key_groups:
      - age: [ *admin_gkleen ]
+  - path_regex: ^home-modules/lmu-hausschrift/
+    key_groups:
+      - age: [ *admin_gkleen ]
+  - path_regex: ^accounts/gkleen@sif/
+    key_groups:
+      - age: [ *admin_gkleen ]
  - path_regex: surtr\/?[^\/]*$
    key_groups:
      - age: [ *admin_gkleen, *machine_surtr ]
diff --git a/_sources/generated.json b/_sources/generated.json
index d86f7005..d98f141f 100644
--- a/_sources/generated.json
+++ b/_sources/generated.json
@@ -261,6 +261,36 @@
        },
        "version": "1f8c31457459ffc28cd1c3f3c2235a53efad7148"
    },
+    "netbootxyz-efi": {
+        "cargoLocks": null,
+        "date": null,
+        "extract": null,
+        "name": "netbootxyz-efi",
+        "passthru": null,
+        "pinned": false,
+        "src": {
+            "name": null,
+            "sha256": "sha256-8kd17ChqLuVH5/OdPc2rVDKEDWHl9ZWLh8k+EBrCGH8=",
+            "type": "url",
+            "url": "https://github.com/netbootxyz/netboot.xyz/releases/download/2.0.87/netboot.xyz.efi"
+        },
+        "version": "2.0.87"
+    },
+    "netbootxyz-lkrn": {
+        "cargoLocks": null,
+        "date": null,
+        "extract": null,
+        "name": "netbootxyz-lkrn",
+        "passthru": null,
+        "pinned": false,
+        "src": {
+            "name": null,
+            "sha256": "sha256-/qY3NdRC0SghQ4kamrkm9EFumrKlirqDCJ+XY+jHWLA=",
+            "type": "url",
+            "url": "https://github.com/netbootxyz/netboot.xyz/releases/download/2.0.87/netboot.xyz.lkrn"
+        },
+        "version": "2.0.87"
+    },
    "postfix-mta-sts-resolver": {
        "cargoLocks": null,
        "date": null,
@@ -407,7 +437,7 @@
    },
    "v4l2loopback": {
        "cargoLocks": null,
-        "date": "2025-04-16",
+        "date": "2025-04-29",
        "extract": null,
        "name": "v4l2loopback",
        "passthru": null,
@@ -419,12 +449,12 @@
            "name": null,
            "owner": "umlaeute",
            "repo": "v4l2loopback",
-            "rev": "119543510c0455f4e6517ae82d81d65354225a31",
+            "rev": "8d806ad688961d8840081a609c39d1a82d296b24",
-            "sha256": "sha256-1SAYXV0KEQEQEiQbBom2YHoeDzuDWkmCmcetlU85h/M=",
+            "sha256": "sha256-zuE/qFI8QCWCePmHWjTIPTh2KzmDkwQ2uj5C1dAwo1c=",
            "sparseCheckout": [],
            "type": "github"
        },
-        "version": "119543510c0455f4e6517ae82d81d65354225a31"
+        "version": "8d806ad688961d8840081a609c39d1a82d296b24"
    },
    "xcompose": {
        "cargoLocks": null,
@@ -456,10 +486,10 @@
        "pinned": false,
        "src": {
            "name": null,
-            "sha256": "sha256-G/4OZg0acKCeJ7LVj5LjCx4uNizEh4KfL4JDRq5J+5E=",
+            "sha256": "sha256-6nOFTF2rwSTymjWo+um8XUIu8yMb6+6ivfqCrBkanCk=",
            "type": "url",
-            "url": "https://pypi.org/packages/source/y/yt_dlp/yt_dlp-2025.3.31.tar.gz"
+            "url": "https://pypi.org/packages/source/y/yt_dlp/yt_dlp-2025.5.22.tar.gz"
        },
-        "version": "2025.3.31"
+        "version": "2025.5.22"
    }
 }
 \ No newline at end of file
diff --git a/_sources/generated.nix b/_sources/generated.nix
index a7ebef8a..3bf73fed 100644
--- a/_sources/generated.nix
+++ b/_sources/generated.nix
@@ -162,6 +162,22 @@
    };
    date = "2020-02-10";
  };
+  netbootxyz-efi = {
+    pname = "netbootxyz-efi";
+    version = "2.0.87";
+    src = fetchurl {
+      url = "https://github.com/netbootxyz/netboot.xyz/releases/download/2.0.87/netboot.xyz.efi";
+      sha256 = "sha256-8kd17ChqLuVH5/OdPc2rVDKEDWHl9ZWLh8k+EBrCGH8=";
+    };
+  };
+  netbootxyz-lkrn = {
+    pname = "netbootxyz-lkrn";
+    version = "2.0.87";
+    src = fetchurl {
+      url = "https://github.com/netbootxyz/netboot.xyz/releases/download/2.0.87/netboot.xyz.lkrn";
+      sha256 = "sha256-/qY3NdRC0SghQ4kamrkm9EFumrKlirqDCJ+XY+jHWLA=";
+    };
+  };
  postfix-mta-sts-resolver = {
    pname = "postfix-mta-sts-resolver";
    version = "1.5.0";
@@ -254,15 +270,15 @@
  };
  v4l2loopback = {
    pname = "v4l2loopback";
-    version = "119543510c0455f4e6517ae82d81d65354225a31";
+    version = "8d806ad688961d8840081a609c39d1a82d296b24";
    src = fetchFromGitHub {
      owner = "umlaeute";
      repo = "v4l2loopback";
-      rev = "119543510c0455f4e6517ae82d81d65354225a31";
+      rev = "8d806ad688961d8840081a609c39d1a82d296b24";
      fetchSubmodules = true;
-      sha256 = "sha256-1SAYXV0KEQEQEiQbBom2YHoeDzuDWkmCmcetlU85h/M=";
+      sha256 = "sha256-zuE/qFI8QCWCePmHWjTIPTh2KzmDkwQ2uj5C1dAwo1c=";
    };
-    date = "2025-04-16";
+    date = "2025-04-29";
  };
  xcompose = {
    pname = "xcompose";
@@ -278,10 +294,10 @@
  };
  yt-dlp = {
    pname = "yt-dlp";
-    version = "2025.3.31";
+    version = "2025.5.22";
    src = fetchurl {
-      url = "https://pypi.org/packages/source/y/yt_dlp/yt_dlp-2025.3.31.tar.gz";
+      url = "https://pypi.org/packages/source/y/yt_dlp/yt_dlp-2025.5.22.tar.gz";
-      sha256 = "sha256-G/4OZg0acKCeJ7LVj5LjCx4uNizEh4KfL4JDRq5J+5E=";
+      sha256 = "sha256-6nOFTF2rwSTymjWo+um8XUIu8yMb6+6ivfqCrBkanCk=";
    };
  };
 }
diff --git a/accounts/gkleen@eostre.nix b/accounts/gkleen@eostre.nix
index 72818d44..28daf3fd 100644
--- a/accounts/gkleen@eostre.nix
+++ b/accounts/gkleen@eostre.nix
@@ -1,16 +1,16 @@
 { flake, userName, pkgs, ... }:
 {
  imports = with flake.nixosModules.userProfiles.${userName}; [
-    zsh utils tmux
+    utils
  ];
  config = {
    home-manager.users.${userName} = {
      home.stateVersion = "20.09";
-      nixpkgs.config = {
+      # nixpkgs.config = {
-        allowUnfree = true;
+      #   allowUnfree = true;
-      };
+      # };
      home.packages = with pkgs; [
        thunderbird libreoffice element-desktop keepassxc vlc
diff --git a/accounts/gkleen@installer.nix b/accounts/gkleen@installer.nix
index c7a418f8..5fe1db38 100644
--- a/accounts/gkleen@installer.nix
+++ b/accounts/gkleen@installer.nix
@@ -1,7 +1,11 @@
-{ userName, ... }:
+{ flake, userName, ... }:
 {
-  home-manager.users.${userName} = { config, ... } : {
+  imports = with flake.nixosModules.userProfiles.${userName}; [
+    zsh tmux
+  ];
+  config.home-manager.users.${userName} = { config, ... } : {
    home.stateVersion = config.home.version.release;
  };
 }
diff --git a/accounts/gkleen@sif/default.nix b/accounts/gkleen@sif/default.nix
index 6574af9d..706eb241 100644
--- a/accounts/gkleen@sif/default.nix
+++ b/accounts/gkleen@sif/default.nix
@@ -50,9 +50,20 @@ let
  };
  lockCommand = "${lib.getExe' config.systemd.package "systemctl"} --user start gtklock.service";
+  editor = pkgs.symlinkJoin {
+    inherit (cfg.services.emacs.package) name;
+    buildInputs = with pkgs; [ makeWrapper ];
+    paths = [ cfg.services.emacs.package ];
+    postBuild = ''
+      wrapProgram $out/bin/emacsclient \
+        --inherit-argv0 \
+        --add-flags ${lib.escapeShellArg (lib.escapeShellArgs cfg.services.emacs.client.arguments)}
+    '';
+  };
 in {
  imports = with flake.nixosModules.userProfiles.${userName}; [
-    mpv yt-dlp (args: import ./xcompose.nix (inputs // args))
+    zsh tmux mpv yt-dlp (args: import ./xcompose.nix (inputs // args))
  ];
  config = {
@@ -60,16 +71,17 @@ in {
      imports = [
        ./libvirt
        ./niri
+        ./synadm
        flakeInputs.nix-index-database.hmModules.nix-index
        flakeInputs.impermanence.nixosModules.home-manager.impermanence
      ];
      home.stateVersion = "20.09";
-      nixpkgs.config = {
+      # nixpkgs.config = {
-        allowUnfree = true;
+      #   allowUnfree = true;
-        zathura.useMupdf = false;
+      #   zathura.useMupdf = false;
-      };
+      # };
      nix.registry = {
        "flk" = {
@@ -175,13 +187,91 @@ in {
          gpu-api = "vulkan";
        };
-        zsh.initExtra = ''
+        zsh.initContent = let
-          source ${./zshrc}
+          zshrc = pkgs.resholve.mkDerivation {
+            pname = "zshrc";
+            version = "0.0.0";
+            src = ./zshrc;
+            dontUnpack = true;
+            dontConfigure = true;
+            dontBuild = true;
+            installPhase = ''
+              mkdir -p $out/share
+              install "$src" $out/share/zshrc
+            '';
+            solutions = {
+              default = {
+                scripts = [ "share/zshrc" ];
+                interpreter = "none";
+                inputs = with pkgs; [
+                  coreutils
+                  rpm
+                  binutils
+                  squashfsTools
+                  unzip
+                  cfg.programs.git.package
+                  magickWrapped
+                  curl
+                  file
+                  gnutar
+                  cpio
+                  magic-wormhole
+                  cfg.programs.zsh.package
+                  fuse
+                  util-linux
+                  findutils
+                  qrencode
+                  tty-clock
+                  cfg.programs.jq.package
+                  eza
+                  less
+                  config.systemd.package
+                  config.programs.ssh.package
+                  gnused
+                  miniserve
+                ];
+                execer = with pkgs; [
+                  "cannot:${lib.getExe' rpm "rpm2cpio"}"
+                  "cannot:${lib.getExe' squashfsTools "unsquashfs"}"
+                  "cannot:${lib.getExe' unzip "unzip"}"
+                  "cannot:${lib.getExe cfg.programs.git.package}"
+                  "cannot:${lib.getExe cpio}"
+                  "cannot:${lib.getExe' magic-wormhole "wormhole"}"
+                  "cannot:${lib.getExe' fuse "fusermount"}"
+                  "cannot:${lib.getExe less}"
+                  "cannot:${lib.getExe' config.systemd.package "systemctl"}"
+                  "cannot:${lib.getExe config.programs.ssh.package}"
+                ];
+                wrapper = with pkgs; [
+                  "${lib.getExe' magickWrapped "magick"}:${lib.getExe' imagemagick "magick"}"
+                ];
+                fake = {
+                  builtin = ["print"];
+                  external = ["sudo" "umount"];
+                };
+              };
+            };
+          };
+          magickWrapped = pkgs.symlinkJoin {
+            inherit (pkgs.imagemagick) name;
+            paths = [ pkgs.imagemagick ];
+            buildInputs = with pkgs; [ makeWrapper ];
+            postBuild = ''
+              wrapProgram $out/bin/magick \
+                --prefix PATH : ${lib.makeBinPath (with pkgs; [ ghostscript ])}
+            '';
+          };
+        in ''
+          source ${zshrc}/share/zshrc
        '';
        zsh.dirHashes = let
          flakeHashes = mapAttrs' (n: v: nameValuePair (inputNames.${n} or n) (toString v)) flakeInputs;
          inputNames = {
-            "nixpkgs" = "nixos";
          };
        in flakeHashes // {
          u2w = "$HOME/projects/uni2work";
@@ -193,6 +283,16 @@ in {
          pro = "$HOME/projects/pro";
          media = "$HOME/media";
        };
+        jq.colors = {
+          arrays = "1;37";
+          "false" = "0;37";
+          "null" = "2;37";
+          numbers = "0;37";
+          objectKeys = "1;34";
+          objects = "1;37";
+          strings = "0;32";
+          "true" = "0;37";
+        };
        obs-studio = {
          enable = true;
@@ -202,7 +302,7 @@ in {
        gh = {
          enable = true;
          settings = {
-            editor = lib.getExe' config.home-manager.users.${userName}.programs.emacs.package "emacsclient";
+            editor = lib.getExe' editor "emacsclient";
            gitProtocol = "ssh";
          };
        };
@@ -228,16 +328,10 @@ in {
            # notify_on_cmd_finish = "invisible 120";
          };
          keybindings = {
-            "kitty_mod+n" = "detach_window";
+            "kitty_mod+n" = "new_os_window_with_cwd";
            "kitty_mod+m" = "detach_window ask";
-          };
+            "kitty_mod+enter" = "new_window_with_cwd";
-        };
+            "kitty_mod+t" = "new_tab_with_cwd";
-        wpaperd = {
-          enable = true;
-          settings.default = {
-            path = "~/.wallpapers";
-            duration = "15m";
-            mode = "center";
          };
        };
        fuzzel = {
@@ -250,7 +344,7 @@ in {
              font = "Fira Sans";
            };
            colors = {
-              background = "000000aa";
+              background = "000000cc";
              text = "cdd6f4ff";
              match = "94e2d5ff";
              selection = "585b70ff";
@@ -267,15 +361,28 @@ in {
          enable = true;
          extraAbbreviations = ["i.A." "d.h." "D.h." "gdw."];
        };
+        nushell = {
+          enable = true;
+          settings.show_banner = false;
+        };
+        fd.enable = true;
      };
      services = {
+        wpaperd = {
+          enable = true;
+          settings.default = {
+            path = "~/.wallpapers";
+            duration = "15m";
+            mode = "center";
+          };
+        };
        emacs = {
          enable = true;
          socketActivation.enable = true;
          client = {
            enable = true;
-            arguments = mkForce ["--reuse-frame" "--alternate-editor" "\"\""];
+            arguments = mkForce ["--create-frame" "--alternate-editor" (lib.getExe cfg.services.emacs.package)];
          };
        };
        gpg-agent = {
@@ -384,6 +491,13 @@ in {
        };
      };
+      qt.kde.settings = {
+        kwalletrc = {
+          KSecretD.Enabled = false;
+          Wallet."Default Wallet" = "store";
+        };
+      };
      xsession.preferStatusNotifierItems = true;
      xresources.properties = import ./xresources.nix;
@@ -403,7 +517,7 @@ in {
          libguestfs-with-appliance nerd-fonts.fira-mono
          nerd-fonts.symbols-only nerd-fonts.fira-code powerline-fonts
          swtpm (hunspellWithDicts (with hunspellDicts; [en_GB-large de_DE]))
-          # synadm
+          libation libqalculate
        ] ++ mapAttrsToList (_name: pkg: pkgs.callPackage pkg {}) (customUtils.nixImport { dir = ./utils; });
        file = {
@@ -424,12 +538,9 @@ in {
          QT_QPA_PLATFORMTHEME = "qt5ct";
          LIBVIRT_DEFAULT_URI = "qemu:///system";
          STACK_XDG = 1;
-          EDITOR = pkgs.writeShellScript "editor" ''
+          EDITOR = lib.getExe' editor "emacsclient";
-            args=("--reuse-frame" "--alternate-editor" "")
-            args+=("$@")
-            exec -a emacsclient ${lib.getExe' cfg.services.emacs.package "emacsclient"} "''${args[@]}"
-          '';
          RCLONE_PASSWORD_COMMAND = "${lib.getExe' pkgs.libsecret "secret-tool"} lookup service rclone";
+          SYSTEMD_TINT_BACKGROUND = "false";
        };
        extraProfileCommands = ''
@@ -466,9 +577,17 @@ in {
            General = {
              dot_as_separator = 0;
            };
+            Mode = {
+              calculate_as_you_type = 1;
+            };
          };
        };
-        "emacs/init.el".source = ./emacs.el;
+        "emacs/init.el".source = pkgs.substitute {
+          src = ./emacs.el;
+          substitutions = [
+            "--subst-var-by" "ksshaskpass" (lib.getExe pkgs.kdePackages.ksshaskpass)
+          ];
+        };
        "systemd/user/xdg-desktop-portal.service.d/after-graphical-session.conf".text = ''
          [Unit]
          After=graphical-session.target
@@ -486,6 +605,8 @@ in {
      xdg.dataFile = {
        "dbus-1/services/org.keepassxc.KeePassXC.service".source = "${wrappedKeepassxc}/share/dbus-1/services/org.keepassxc.KeePassXC.service";
        "dbus-1/services/org.freedesktop.secrets.service.service".source = "${wrappedKeepassxc}/share/dbus-1/services/org.freedesktop.secrets.service.service";
+        "dbus-1/services/org.kde.kwalletd6.service".source = "${pkgs.kdePackages.kwallet}/share/dbus-1/services/org.kde.kwalletd6.service";
+        "dbus-1/services/org.kde.kwalletd5.service".source = "${pkgs.kdePackages.kwallet}/share/dbus-1/services/org.kde.kwalletd5.service";
        "emoji-data/list.txt".source = pkgs.stdenv.mkDerivation {
          inherit (sources.emoji-data) pname src;
          version = lib.removePrefix "v" sources.emoji-data.version;
@@ -573,10 +694,10 @@ in {
            exec -- \
              ${lib.getExe' config.systemd.package "systemd-run"} --wait --user --slice-inherit \
              --property 'CPUAccounting=yes' --property 'CPUQuotaPeriodSec=50ms' \
-              --property 'Environment=DSCP=46' \
+              -E DSCP=46 -E NIXOS_OZONE_WL \
              -- ${lib.getExe pkgs.dscp} ${lib.getExe' pkgs.google-chrome "google-chrome-stable"} \
              --class=Rainbow \
-              --kiosk "https://web.openrainbow.com" \
+              --app="https://web.openrainbow.com" \
              --user-data-dir=''${HOME}/.config/google-chrome-rainbow
          '');
          icon = pkgs.fetchurl {
@@ -587,6 +708,53 @@ in {
            StartupWMClass = "Rainbow";
          };
        };
+        kimai = {
+          name = "Kimai";
+          exec = toString (pkgs.writeShellScript "kimai" ''
+            exec -- \
+              ${lib.getExe' pkgs.google-chrome "google-chrome-stable"} \
+              --class=Kimai \
+              --app="https://kimai.yggdrasil.li" \
+              --user-data-dir=''${HOME}/.config/google-chrome-kimai
+          '');
+          icon = pkgs.fetchurl {
+            url = "https://www.kimai.org/images/kimai_logo.png";
+            hash = "sha256-lnlOttzR2SwXA70R+egJUkeKr4U5V0avqTk8uX4bqfs=";
+          };
+          settings = {
+            StartupWMClass = "Kimai";
+            StartupNotify = "true";
+          };
+        };
+        audiobookshelf = {
+          name = "Audiobookshelf";
+          exec = toString (pkgs.writeShellScript "audiobookshelf" ''
+            exec -- \
+              ${lib.getExe' pkgs.google-chrome "google-chrome-stable"} \
+              --class=Audiobookshelf \
+              --app="https://audiobookshelf.yggdrasil.li" \
+              --user-data-dir=''${HOME}/.config/google-chrome-audiobookshelf
+          '');
+          icon = pkgs.fetchurl {
+            url = "https://www.audiobookshelf.org/Logo.png";
+            hash = "sha256-JGPk+WNT1C4DC4lSMb0K0YmAMT5LvmSOeO0QRzkc7Lk=";
+          };
+          settings = {
+            StartupWMClass = "Audiobookshelf";
+            StartupNotify = "true";
+          };
+        };
+        thunderbird-lmu = {
+          name = "Thunderbird (LMU)";
+          exec = "thunderbird --name thunderbird -P lmu %U";
+          icon = "thunderbird";
+          genericName = "Email Client";
+          categories = [ "Network" "Chat" "Email" "Feed" "GTK" "News" ];
+          settings = {
+            StartupWMClass = "thunderbird";
+            StartupNotify = "true";
+          };
+        };
      };
      fonts = {
diff --git a/accounts/gkleen@sif/emacs.el b/accounts/gkleen@sif/emacs.el
index 563c5d0b..3beefba6 100644
--- a/accounts/gkleen@sif/emacs.el
+++ b/accounts/gkleen@sif/emacs.el
@@ -254,3 +254,5 @@ necessarily running."
 (bind-key "C-x C-m" #'move-file)
 (let ((ssh_auth_sock (string-chop-newline (shell-command-to-string "gpgconf --list-dirs agent-ssh-socket")))) (setenv "SSH_AUTH_SOCK" ssh_auth_sock))
+(setenv "SSH_ASKPASS_REQUIRE" "prefer")
+(setenv "SSH_ASKPASS" "@ksshaskpass@")
diff --git a/accounts/gkleen@sif/niri/default.nix b/accounts/gkleen@sif/niri/default.nix
index dc993d66..8752f3e3 100644
--- a/accounts/gkleen@sif/niri/default.nix
+++ b/accounts/gkleen@sif/niri/default.nix
@@ -35,7 +35,11 @@ let
          if jq -e '.is_focused' <<<"$window_json" >/dev/null; then
            niri msg action focus-workspace-previous
          else
-            niri msg action focus-window --id "$(jq -r '.id' <<<"$window_json")"
+            if [[ $(jq -r --arg workspace_name "$workspace_name" 'map(select(.name == $workspace_name)) | .[0].is_focused' <<<"$workspaces_json") != "true" ]] && [[ $(jq -r --arg workspace_name "$workspace_name" 'map(select(.name == $workspace_name)) | .[0].id' <<<"$workspaces_json") = $(jq -r '.workspace_id' <<<"$window_json") ]]; then
+                niri msg action focus-workspace "$workspace_name"
+            else
+                niri msg action focus-window --id "$(jq -r '.id' <<<"$window_json")"
+            fi
          fi
          exit 0
        fi
@@ -45,7 +49,6 @@ let
    '';
  };
  focus-or-spawn-action = config.lib.niri.actions.spawn (lib.getExe focus_or_spawn);
-  focus-or-spawn-action-app_id = app_id: focus-or-spawn-action ''select(.app_id == "${app_id}")'';
  with_adjacent_workspace = pkgs.writeShellApplication {
    name = "with-adjacent-workspace";
@@ -84,7 +87,7 @@ let
  };
  with-adjacent-workspace-action = config.lib.niri.actions.spawn (lib.getExe with_adjacent_workspace) "^${lib.concatMapStringsSep "|" ({ name, ...}: name) cfg.scratchspaces}$";
  focus-adjacent-workspace = direction: with-adjacent-workspace-action direction ''{"Action":{"FocusWorkspace":{"reference":{"Id": .id}}}}'';
-  move-column-to-adjacent-workspace = direction: with-adjacent-workspace-action direction ''{"Action":{"MoveColumnToWorkspace":{"reference":{"Id": .id}}}}'';
+  move-column-to-adjacent-workspace = direction: with-adjacent-workspace-action direction ''{"Action":{"MoveColumnToWorkspace":{"reference":{"Id": .id}, "focus": true}}}'';
  with_unnamed_workspace = pkgs.writeShellApplication {
    name = "with-unnamed-workspace";
@@ -131,7 +134,7 @@ let
      windows_json="$(niri msg -j windows)"
      active_workspace="$(jq -r '.[] | select(.is_focused) | .workspace_id' <<<"$windows_json")"
-      window_ix="$(gojq -r --arg active_workspace "$active_workspace" '.[] | select('"$window_select"') | "\(.title)\u0000icon\u001f\(.app_id)"' <<<"$windows_json" | fuzzel --log-level=warning --dmenu --index)"
+      window_ix="$(gojq -r --arg active_workspace "$active_workspace" '.[] | select('"$window_select"') | "\(.title)\u0000icon\u001f\(.app_id)"' <<<"$windows_json" | fuzzel --width=60 --log-level=warning --dmenu --index)"
      # shellcheck disable=SC2016
      window_json="$(gojq -rc --arg active_workspace "$active_workspace" --arg window_ix "$window_ix" 'map(select('"$window_select"')) | .[($window_ix | tonumber)]' <<<"$windows_json")"
@@ -141,6 +144,25 @@ let
    '';
  };
  with-select-window-action = config.lib.niri.actions.spawn (lib.getExe with_select_window);
+  with_predicate_window = pred: pkgs.writeShellApplication {
+    name = "with-predicate-window";
+    runtimeInputs = [ niri pkgs.gojq pkgs.socat ];
+    text = ''
+      action="$1"
+      shift
+      windows_json="$(niri msg -j windows)"
+      window_json="$(gojq -rc 'map(select(${pred})) | .[0]' <<<"$windows_json")"
+      [[ -z "$window_json" || $window_json = "null" ]] && exit 1
+      jq -c "$action" <<<"$window_json" | socat STDIO "$NIRI_SOCKET"
+    '';
+  };
+  with-urgent-window-action = config.lib.niri.actions.spawn (lib.getExe (with_predicate_window ".is_urgent"));
+  with-focused-window-action = config.lib.niri.actions.spawn (lib.getExe (with_predicate_window ".is_focused"));
 in {
  imports = [
    ./waybar.nix
@@ -171,6 +193,17 @@ in {
            type = lib.types.nullOr lib.types.str;
            default = null;
          };
+          moveKey = lib.mkOption {
+            type = lib.types.nullOr lib.types.str;
+            default = let
+              keys = lib.splitString "+" config.key;
+              defMoveKey = lib.concatStringsSep "+" (lib.flatten [
+                (lib.take (lib.length keys - 1) keys)
+                ["Shift"]
+                (lib.takeEnd 1 keys)
+              ]);
+            in if config.key == null then null else defMoveKey;
+          };
          spawn = lib.mkOption {
            type = lib.types.nullOr (lib.types.listOf lib.types.str);
            default = null;
@@ -245,11 +278,11 @@ in {
      Service = {
        Type = "simple";
        Sockets = [ "niri-workspace-history.socket" ];
-        ExecStart = pkgs.writers.writePython3 "niri-workspace-history" {} ''
+        ExecStart = pkgs.writers.writePython3 "niri-workspace-history" { flakeIgnore = ["E501"]; } ''
          import os
          import socket
          import json
-          import sys
+          # import sys
          from collections import defaultdict
          from threading import Thread, Lock
          from socketserver import StreamRequestHandler, ThreadingTCPServer
@@ -274,8 +307,8 @@ in {
              def focus_workspace(output, workspace):
                  with history_lock:
-                      workspace_history[output] = [workspace] + [ws for ws in workspace_history[output] if ws != workspace]  # noqa: E501
+                      workspace_history[output] = [workspace] + [ws for ws in workspace_history[output] if ws != workspace]
-                      print(json.dumps(workspace_history), file=sys.stderr)
+                      # print(json.dumps(workspace_history), file=sys.stderr)
              sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
              sock.connect(os.environ["NIRI_SOCKET"])
@@ -297,14 +330,14 @@ in {
          class RequestHandler(StreamRequestHandler):
              def handle(self):
-                  with detaching(TextIOWrapper(self.wfile, encoding='utf-8', write_through=True)) as out:  # noqa: E501
+                  with detaching(TextIOWrapper(self.wfile, encoding='utf-8', write_through=True)) as out:
                      with history_lock:
                          json.dump(workspace_history, out)
          class Server(ThreadingTCPServer):
              def __init__(self):
-                  ThreadingTCPServer.__init__(self, ("", 8000), RequestHandler, bind_and_activate=False)  # noqa: E501
+                  ThreadingTCPServer.__init__(self, ("", 8000), RequestHandler, bind_and_activate=False)
                  self.socket = socket.fromfd(3, self.address_family, self.socket_type)
@@ -330,6 +363,79 @@ in {
        '';
      };
    };
+    systemd.user.services.niri-workspace-sort = {
+      Unit = {
+        BindsTo = [ "niri.service" ];
+        After = [ "niri.service" ];
+      };
+      Install = {
+        WantedBy = [ "niri.service" ];
+      };
+      Service = {
+        Type = "simple";
+        ExecStart = pkgs.writers.writePython3 "niri-workspace-sort" { flakeIgnore = ["E501"]; } ''
+          import os
+          import sys
+          import socket
+          import json
+          outputs = None
+          only = {'HDMI-A-1': {'bmr'}, 'eDP-1': {'vid'}}
+          class Niri(socket.socket):
+              def __init__(self):
+                  super().__init__(socket.AF_UNIX, socket.SOCK_STREAM)
+                  super().connect(os.environ["NIRI_SOCKET"])
+                  self.fh = super().makefile(mode='rw', buffering=1, encoding='utf-8')
+              def cmd(self, obj):
+                  print(json.dumps(obj, separators=(',', ':')), flush=True, file=self.fh)
+              def event_stream(self):
+                  self.cmd("EventStream")
+                  return self.fh
+          with Niri() as niri, Niri().event_stream() as niri_stream:
+              for line in niri_stream:
+                  workspaces = None
+                  if line_json := json.loads(line):
+                      if "WorkspacesChanged" in line_json:
+                          workspaces = line_json["WorkspacesChanged"]["workspaces"]
+                  if workspaces is None:
+                      continue
+                  old_outputs = outputs
+                  outputs = {ws["output"] for ws in workspaces}
+                  if old_outputs is None:
+                      print("Initial outputs: {}".format(outputs), file=sys.stderr)
+                      continue
+                  new_outputs = outputs - old_outputs
+                  if not new_outputs:
+                      continue
+                  print("New outputs: {}".format(new_outputs), file=sys.stderr)
+                  relevant_workspaces = list(filter(lambda ws: (ws["name"] is not None) or (ws["active_window_id"] is not None), workspaces))
+                  target_output = next(iter(outputs - set(only.keys())))
+                  if not target_output:
+                      continue
+                  for ws in relevant_workspaces:
+                      ws_ident = ws["name"] if ws["name"] is not None else (ws["output"], ws["idx"])
+                      if ws["output"] not in set(only.keys()):
+                          continue
+                      if ws_ident in only[ws["output"]]:
+                          continue
+                      print("{} -> {}".format(ws_ident, target_output), file=sys.stderr)
+                      niri.cmd({"Action": {"MoveWorkspaceToMonitor": {"reference": {"Id": ws["id"]}, "output": target_output}}})
+        '';
+        Restart = "on-failure";
+        RestartSec = 10;
+      };
+    };
    programs.niri.scratchspaces = [
      { name = "pwctl";
@@ -343,7 +449,7 @@ in {
          { title = "^Access Request.*"; }
          { title = ".*Passkey credentials$"; }
        ];
-        windowRuleExtra = [
+        windowRuleExtra = with kdl; [
          (kdl.leaf "open-focused" false)
        ];
        key = "Mod+Control+P";
@@ -371,6 +477,20 @@ in {
        app-id = "com.github.wwmm.easyeffects";
        spawn = [ "easyeffects" ];
      }
+      { name = "time";
+        key = "Mod+Control+K";
+        app-id = "chrome-kimai.yggdrasil.li__-Default";
+        spawn = [ (toString (pkgs.resholve.writeScript "kimai" {
+          interpreter = pkgs.runtimeShell;
+          inputs = [ pkgs.dex ];
+          execer = [ "cannot:${lib.getExe pkgs.dex}" ];
+        } ''
+          exec dex $HOME/.local/state/nix/profile/share/applications/kimai.desktop
+        '')) ];
+        windowRuleExtra = with kdl; [
+          (leaf "block-out-from" "screencast")
+        ];
+      }
    ];
    programs.niri.config =
      let
@@ -415,6 +535,10 @@ in {
            ])
          ])
+          (plain "gestures" [
+            (plain "hot-corners" [(flag "off")])
+          ])
          (plain "environment" (lib.mapAttrsToList leaf {
            NIXOS_OZONE_WL = "1";
            QT_QPA_PLATFORM = "wayland";
@@ -422,6 +546,10 @@ in {
            GDK_BACKEND = "wayland";
            SDL_VIDEODRIVER = "wayland";
            DISPLAY = ":0";
+            ELECTRON_OZONE_PLATFORM_HINT = "auto";
+            SSH_ASKPASS_REQUIRE = "prefer";
+            SSH_ASKPASS = lib.getExe pkgs.kdePackages.ksshaskpass;
+            SUDO_ASKPASS = lib.getExe pkgs.kdePackages.ksshaskpass;
          }))
          (node "output" "eDP-1" [
@@ -536,7 +664,7 @@ in {
          (plain "window-rule" [
            (map (title:
              (leaf "match" { app-id = "^org\\.keepassxc\\.KeePassXC$"; inherit title; })
-            ) ["^Unlock Database.*" "^Access Request.*" ".*Passkey credentials$"])
+            ) ["^Unlock Database.*" "^Access Request.*" ".*Passkey credentials$" "Browser Access Request$"])
            (leaf "open-focused" true)
            (leaf "open-floating" true)
          ])
@@ -565,7 +693,7 @@ in {
          (plain "window-rule" [
            (leaf "match" { app-id = "^thunderbird$"; })
            (leaf "match" { app-id = "^Element$"; })
-            (leaf "match" { app-id = "^Rainbow$"; })
+            (leaf "match" { app-id = "^chrome-web\.openrainbow\.com__-Default$"; })
            (leaf "open-on-workspace" "comm")
          ])
          (plain "window-rule" [
@@ -584,6 +712,11 @@ in {
            (leaf "open-focused" false)
          ])
          (plain "window-rule" [
+            (leaf "match" { app-id = "^chrome-audiobookshelf\.yggdrasil\.li__-Default$"; })
+            (leaf "match" { app-id = "^YouTube Music Desktop App$"; })
+            (leaf "open-on-workspace" "vid")
+          ])
+          (plain "window-rule" [
            (leaf "match" { app-id = "^pdfpc$"; })
            (plain "default-column-width" [(leaf "proportion" 1.)])
          ])
@@ -633,6 +766,21 @@ in {
                  "Mod+Slash".action = show-hotkey-overlay;
                  "Mod+Return".action = spawn terminal;
+                  "Mod+Shift+Return".action =
+                    let
+                      nushellKitty = pkgs.symlinkJoin {
+                        name = "nushell-kitty";
+                        paths = [ config.programs.kitty.package ];
+                        buildInputs = [ pkgs.makeWrapper ];
+                        postBuild = ''
+                          wrapProgram $out/bin/kitty \
+                            --add-flags "--config ${pkgs.writeText "kitty.conf" ''
+                              include $HOME/${config.xdg.configFile."kitty/kitty.conf".target}
+                              shell ${lib.getExe config.programs.nushell.package}
+                            ''}"
+                        '';
+                      };
+                    in spawn (lib.getExe' nushellKitty "kitty");
                  "Mod+Q".action = close-window;
                  "Mod+O".action = spawn (lib.getExe config.programs.fuzzel.package);
                  "Mod+Shift+O".action = spawn (lib.getExe config.programs.fuzzel.package) "--list-executables-in-path";
@@ -668,12 +816,12 @@ in {
                        done < <(export LC_ALL=C.UTF-8; echo; find "$RESULTS_DIR" -type f -printf $'%T@ %p\n' | sort -n | cut -d' ' -f2- | xargs -r cat)
                        $FOUND || echo
                      }
-                      FUZZEL_RES=$(prev | fuzzel --dmenu --prompt "qalc> ") || exit $?
+                      FUZZEL_RES=$(prev | fuzzel --dmenu --prompt "qalc> " --width=60) || exit $?
                      if [[ "$FUZZEL_RES" =~ .*\ =\ .* ]]; then
                        QALC_RES="$FUZZEL_RES"
                        QALC_RET=0
                      else
-                        QALC_RES=$(qalc "$FUZZEL_RES" 2>&1)
+                        QALC_RES=$(qalc -set "autocalc off" "$FUZZEL_RES" 2>&1)
                        QALC_RET=$?
                      fi
                      [[ -n "$QALC_RES" ]] || exit 1
@@ -693,18 +841,33 @@ in {
                      notify-send "$QALC_RES"
                    '';
                  }));
+                  "Mod+Shift+U".action =
+                    let
+                      qalcKitty = pkgs.symlinkJoin {
+                        name = "qalc-kitty";
+                        paths = [ config.programs.kitty.package ];
+                        buildInputs = [ pkgs.makeWrapper ];
+                        postBuild = ''
+                          wrapProgram $out/bin/kitty \
+                            --add-flags "--config ${pkgs.writeText "kitty.conf" ''
+                              include $HOME/${config.xdg.configFile."kitty/kitty.conf".target}
+                              shell ${lib.getExe pkgs.libqalculate}
+                            ''}"
+                        '';
+                      };
+                    in spawn (lib.getExe' qalcKitty "kitty");
                  "Mod+E".action = spawn (lib.getExe (pkgs.writeShellApplication {
                    name = "emoji-fuzzel";
                    runtimeInputs = with pkgs; [ config.programs.fuzzel.package wtype wl-clipboard-rs ];
                    text = ''
-                      FUZZEL_RES=$(fuzzel --dmenu --prompt "emoji> " <"$HOME"/.local/share/emoji-data/list.txt) || exit $?
+                      FUZZEL_RES=$(fuzzel --dmenu --prompt "emoji> " --cache "$HOME"/.cache/fuzzel-emoji --width=60 <"$HOME"/.local/share/emoji-data/list.txt) || exit $?
                      [[ -n "$FUZZEL_RES" ]] || exit 1
                      wl-copy "$(cut -d ':' -f 1 <<<"$FUZZEL_RES" | tr -d '\n')" && wtype -k XF86Paste
                    '';
                  }));
                  "Print".action = screenshot;
                  "Control+Print".action = screenshot-window;
-                  # "Shift+Print".action = screenshot-screen;
+                  "Shift+Print".action = kdl.magic-leaf "screenshot-screen";
                  "Mod+B".action = with-select-window-action ".workspace_id == ($active_workspace | tonumber)" "{\"Action\":{\"FocusWindow\":{\"id\": .id}}}";
                  "Mod+Shift+B".action = with-select-window-action "true" "{\"Action\":{\"FocusWindow\":{\"id\": .id}}}";
@@ -743,22 +906,22 @@ in {
                  "Mod+Shift+Control+C".action = move-workspace-up;
                  "Mod+ParenLeft".action = focus-workspace "comm";
-                  "Mod+Shift+ParenLeft".action = move-column-to-workspace "comm";
+                  "Mod+Shift+ParenLeft".action = kdl.magic-leaf "move-column-to-workspace" "comm";
                  "Mod+ParenRight".action = focus-workspace "web";
-                  "Mod+Shift+ParenRight".action = move-column-to-workspace "web";
+                  "Mod+Shift+ParenRight".action = kdl.magic-leaf "move-column-to-workspace" "web";
                  "Mod+BraceRight".action = focus-workspace "read";
-                  "Mod+Shift+BraceRight".action = move-column-to-workspace "read";
+                  "Mod+Shift+BraceRight".action = kdl.magic-leaf "move-column-to-workspace" "read";
                  "Mod+BraceLeft".action = focus-workspace "mon";
-                  "Mod+Shift+BraceLeft".action = move-column-to-workspace "mon";
+                  "Mod+Shift+BraceLeft".action = kdl.magic-leaf "move-column-to-workspace" "mon";
                  "Mod+Asterisk".action = focus-workspace "vid";
-                  "Mod+Shift+Asterisk".action = move-column-to-workspace "vid";
+                  "Mod+Shift+Asterisk".action = kdl.magic-leaf "move-column-to-workspace" "vid";
                  "Mod+Plus".action = with-unnamed-workspace-action ''{"Action":{"FocusWorkspace":{"reference":{"Id": .id}}}}'';
-                  "Mod+Shift+Plus".action = with-unnamed-workspace-action ''{"Action":{"MoveColumnToWorkspace":{"reference":{"Id": .id}}}}'';
+                  "Mod+Shift+Plus".action = with-unnamed-workspace-action ''{"Action":{"MoveColumnToWorkspace":{"reference":{"Id": .id}, "focus": true}}}'';
                  "Mod+M".action = consume-or-expel-window-left;
                  "Mod+W".action = consume-or-expel-window-right;
@@ -766,10 +929,11 @@ in {
                  "Mod+Shift+M".action = toggle-column-tabbed-display;
                  "Mod+R".action = switch-preset-column-width;
-                  "Mod+Shift+R".action = switch-preset-window-height;
+                  "Mod+Shift+R".action = maximize-column;
+                  "Mod+Shift+Ctrl+R".action = switch-preset-window-height;
                  "Mod+F".action = center-column;
-                  "Mod+Shift+F".action = maximize-column;
+                  "Mod+Shift+F".action = toggle-windowed-fullscreen;
-                  "Mod+Shift+Ctrl+F".action = fullscreen-window;
+                  "Mod+Ctrl+Shift+F".action = fullscreen-window;
                  "Mod+V".action = switch-focus-between-floating-and-tiling;
                  "Mod+Shift+V".action = toggle-window-floating;
@@ -825,13 +989,24 @@ in {
                  "Mod+Semicolon".action = spawn makoctl "dismiss" "--group";
                  "Mod+Shift+Semicolon".action = spawn makoctl "dismiss" "--all";
-                  "Mod+Period".action = spawn makoctl "menu" (lib.getExe config.programs.fuzzel.package) "--dmenu";
+                  "Mod+Period".action = spawn makoctl "menu" "--" (lib.getExe config.programs.fuzzel.package) "--dmenu";
                  "Mod+Comma".action = spawn makoctl "restore";
                  "Mod+Control+W".action = with-empty-unnamed-workspace-action "{\"Action\":{\"FocusWorkspace\":{\"reference\":{\"Id\": $workspace_id}}}}";
-                  "Mod+Control+Shift+W".action = with-empty-unnamed-workspace-action "{\"Action\":{\"MoveColumnToWorkspace\":{\"reference\":{\"Id\": $workspace_id}}}}";
+                  "Mod+Control+Shift+W".action = with-empty-unnamed-workspace-action "{\"Action\":{\"MoveColumnToWorkspace\":{\"reference\":{\"Id\": $workspace_id}, \"focus\": true}}}";
+                  "Mod+X".action = set-dynamic-cast-window;
+                  "Mod+Shift+X".action = set-dynamic-cast-monitor;
+                  "Mod+Control+Shift+X".action = clear-dynamic-cast-target;
+                  "Mod+D".action = with-urgent-window-action "{\"Action\":{\"FocusWindow\":{\"id\": .id}}}";
+                  "Mod+Shift+D".action = with-focused-window-action "{\"Action\":{\"UnsetUrgent\":{\"id\": .id}}}";
+                  "Mod+K".action = spawn (lib.getExe' pkgs.worktime "worktime-ui");
+                  "Mod+Shift+K".action = spawn (lib.getExe' pkgs.worktime "worktime-stop");
                }))
                (map ({ name, selector, spawn, key, ...}: if key != null && selector != null && spawn != null then bind key { action = focus-or-spawn-action selector name spawn; } else null) cfg.scratchspaces)
+                (map ({ name, moveKey, ...}: if moveKey != null then bind moveKey { action = kdl.magic-leaf "move-column-to-workspace" name; } else null) cfg.scratchspaces)
              ]
            ))
        ];
diff --git a/accounts/gkleen@sif/niri/mako.nix b/accounts/gkleen@sif/niri/mako.nix
index 2788fb82..eba26caa 100644
--- a/accounts/gkleen@sif/niri/mako.nix
+++ b/accounts/gkleen@sif/niri/mako.nix
@@ -3,37 +3,31 @@
  config = {
    services.mako = {
      enable = true;
-      font = "Fira Sans 10";
+      settings = {
-      format = "<i>%s</i>\\n%b";
+        font = "Fira Sans 10";
-      margin = "2";
+        format = "<i>%s</i>\\n%b";
-      maxVisible = -1;
+        margin = "2";
-      backgroundColor = "#000000dd";
+        max-visible = -1;
-      progressColor = "source #223544ff";
+        background-color = "#000000dd";
-      width = 384;
+        progress-color = "source #223544ff";
-      extraConfig = ''
+        width = 384;
-        outer-margin=1
+        outer-margin = 1;
-        max-history=100
+        max-history = 100;
-        max-icon-size=48
+        max-icon-size = 48;
+      };
-        [grouped]
+      criteria = {
-        format=<b>(%g)</b> <i>%s</i>\n%b
+        grouped.format = "<b>(%g)</b> <i>%s</i>\\n%b";
+        "urgency=low".text-color = "#999999ff";
-        [urgency=low]
+        "urgency=critical".background-color = "#900000dd";
-        text-color=#999999ff
+        "app-name=Element".group-by = "summary";
+        "app-name=poweralertd" = {
-        [urgency=critical]
+          history = false;
-        background-color=#900000dd
+          ignore-timeout = true;
+          default-timeout = 2000;
-        [app-name=Element]
+        };
-        group-by=summary
+        "app-name=worktime".history = false;
+        "mode=silent".invisible = true;
-        [app-name=poweralertd]
+      };
-        ignore-timeout=1
-        default-timeout=2000
-        [mode=silent]
-        invisible=1
-      '';
      package = pkgs.symlinkJoin {
        name = "${pkgs.mako.name}-wrapped";
        paths = with pkgs; [ mako ];
diff --git a/accounts/gkleen@sif/niri/swayosd.nix b/accounts/gkleen@sif/niri/swayosd.nix
index 984927c2..54ebb302 100644
--- a/accounts/gkleen@sif/niri/swayosd.nix
+++ b/accounts/gkleen@sif/niri/swayosd.nix
@@ -3,9 +3,10 @@
  config = {
    services.swayosd = {
      enable = true;
-      topMargin = 0.946154;
+      topMargin = 0.4769706078;
      stylePath = pkgs.runCommand "style.css" {
-        src = pkgs.writeText "style.scss" ''
+        passAsFile = [ "src" ];
+        src = ''
          window#osd {
            padding: 12px 20px;
            border-radius: 999px;
@@ -59,7 +60,7 @@
          }
        '';
        buildInputs = with pkgs; [sass];
-      } "scss -C --sourcemap=none --style=compact $src $out";
+      } "scss -C --sourcemap=none --style=compact $srcPath $out";
    };
  };
 }
diff --git a/accounts/gkleen@sif/niri/waybar.nix b/accounts/gkleen@sif/niri/waybar.nix
index cc131c08..c02a9a76 100644
--- a/accounts/gkleen@sif/niri/waybar.nix
+++ b/accounts/gkleen@sif/niri/waybar.nix
@@ -27,8 +27,14 @@ in {
          modules-right = [ "custom/worktime" "custom/worktime-today"
            "custom/weather"
            "custom/keymap"
-            "privacy" "tray" "wireplumber" "backlight" "battery" "idle_inhibitor" "custom/mako" "clock" ];
+            "privacy" "tray" "wireplumber" "backlight" "battery" "idle_inhibitor" "custom/mako" "custom/lid_inhibitor" "clock" ];
+          "custom/lid_inhibitor" = {
+            format = "{}";
+            return-type = "json";
+            exec = lib.getExe pkgs.waybar-systemd-inhibit;
+            on-click = lib.getExe' pkgs.waybar-systemd-inhibit "waybar-systemd-inhibit-toggle";
+          };
          "custom/mako" = {
            format = "{}";
            return-type = "json";
@@ -211,7 +217,7 @@ in {
          layer = "top";
          position = "top";
          height = 14;
-          output = [ "!eDP-1" "!DP-2" "!DP-3" ];
+          output = [ "!eDP-1" "!DP-2" "!DP-3" "*" ];
          modules-left = [ "niri/workspaces" ];
          modules-center = [ "niri/window" ];
          modules-right = [ "clock" ];
@@ -293,7 +299,7 @@ in {
        #tray {
          margin: 0;
        }
-        #battery, #idle_inhibitor, #backlight, #wireplumber, #custom-mako {
+        #battery, #idle_inhibitor, #backlight, #wireplumber, #custom-mako, #custom-lid_inhibitor {
          color: @grey;
          margin: 0 5px 0 2px;
        }
@@ -302,7 +308,11 @@ in {
          margin-left: 6px;
        }
        #custom-mako {
-          margin-right: 2px;
+          margin-right: 4px;
+          margin-left: 3px;
+        }
+        #custom-lid_inhibitor {
+          margin-right: 3px;
          margin-left: 3px;
        }
        #battery {
@@ -330,7 +340,7 @@ in {
          color: @orange;
        }
-        #idle_inhibitor {
+        #idle_inhibitor, #custom-lid_inhibitor {
          padding-top: 1px;
        }
@@ -340,6 +350,7 @@ in {
        }
        #clock {
          /* margin-right: 5px; */
+          font-feature-settings: "tnum";
        }
      '';
    };
diff --git a/accounts/gkleen@sif/synadm/default.nix b/accounts/gkleen@sif/synadm/default.nix
new file mode 100644
index 00000000..0a8e0d4c
--- /dev/null
+++ b/accounts/gkleen@sif/synadm/default.nix
@@ -0,0 +1,9 @@
+{ config, pkgs, ... }:
+{
+  home.packages = with pkgs; [ synadm ];
+  sops.secrets."synadm.yaml" = {
+    format = "binary";
+    sopsFile = ./synadm_yaml;
+    path = config.xdg.configHome + "/synadm.yaml";
+  };
+}
diff --git a/accounts/gkleen@sif/synadm/synadm_yaml b/accounts/gkleen@sif/synadm/synadm_yaml
new file mode 100644
index 00000000..8d951ccc
--- /dev/null
+++ b/accounts/gkleen@sif/synadm/synadm_yaml
@@ -0,0 +1,15 @@
+{
+        "data": "ENC[AES256_GCM,data:qJy4Pmbbxja4jmW7OaHsD0mQZ7anZwLhiVmAgkavb+CqwWGDnUBXdz22/MHCbxng5NshcFSpBoCBhgY6B9V2bUiES6bH9AtMlDcs9ebKGMArBTUTnQ2MjWQGfQTqraWdNgy+n327uj9swwCH8EZXdYH/Hlv0t/re470W+VOHeXhGghQ3Y9IGz2sgfvMGr8QxaJNydZz85rgs5QUP/PglCwWIOw2mY1EX2vYwnmiAo49LmIEaxWvRi++KHaeBveDt0nlkJwzUlipL2VOKWxkgpK3yGucQn2mz+FRe1btp+4KGm8H17eUI9FO9sBwq,iv:kgM921ovwCgDYHQj3c5Rupy/8JxHehxUD2jb1k9Ik2Y=,tag:3TLQkJbv679VWy8V2TMugw==,type:str]",
+        "sops": {
+                "age": [
+                        {
+                                "recipient": "age1rmmhetcmllq0ahl5qznlr0eya2zdxwl9h6y5wnl97d2wtyx5t99sm2u866",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB6bzVHUGNxZTF2WC9MYmZr\neGdVVzJXN3lGdEk3cTBER3J6UTFtcUJna2d3CjdNQmRXd2haZW1MYlJzNkk1dWVD\nVTFQc2gvS0JrejJ6SFh2MXpPWDZpRE0KLS0tIE0wTC85bEpvSnlGdGFkZVFhNjFZ\nbzRiZkxMWUg2ODNVUlBmNFlPNGRrZlkK1VXLJWcssv3ETyZSSM/Hhn5VIaI9iov9\nzShZA9Zx/FX6PYTuUMC29pJ57gKourcIxa/7HwSv/xYn1A6WcYfgSg==\n-----END AGE ENCRYPTED FILE-----\n"
+                        }
+                ],
+                "lastmodified": "2025-05-18T11:03:42Z",
+                "mac": "ENC[AES256_GCM,data:yonJC68PhilAgEHNNJQ8nO53Qo3rx/LnfiOWfuMm24bOUIH9QM3WZZxpigd7bHI4eC4TqRb4LvcSi0nEURTRAhwiTqGNrWbpw2Iv3n5dhLEN9aTcetG5ZuhaXqfVUoML45/ovdBZG/0l8+XIHqxN2M/g/h4JwKoR/6lqzcrVhgo=,iv:xvxBJwy+E5zUdjhGPdZPdy7tnBIEj50hfiDJFsS3wNg=,tag:L4Fas36ZOg4h0QQwC4gjNA==,type:str]",
+                "unencrypted_suffix": "_unencrypted",
+                "version": "3.10.2"
+        }
+}
diff --git a/accounts/gkleen@sif/systemd.nix b/accounts/gkleen@sif/systemd.nix
index 2237b708..90cccc58 100644
--- a/accounts/gkleen@sif/systemd.nix
+++ b/accounts/gkleen@sif/systemd.nix
@@ -242,7 +242,7 @@ in {
          "-${lib.getExe pkgs.playerctl} -a pause"
          "-${lib.getExe (pkgs.writeShellApplication {
            name = "generate-css";
-            runtimeInputs = with pkgs; [cfg.programs.wpaperd.package jq coreutils imagemagick findutils];
+            runtimeInputs = with pkgs; [cfg.services.wpaperd.package jq coreutils imagemagick findutils];
            text = ''
              declare -A monitors
              monitors=()
@@ -333,21 +333,21 @@ in {
        ExecStopPost = "${pkgs.coreutils}/bin/rm -rfv \"$CACHE_DIRECTORY\"";
      };
    };
-    wpaperd = {
+    # wpaperd = {
-      Install = {
+    #   Install = {
-        WantedBy = ["graphical-session.target"];
+    #     WantedBy = ["graphical-session.target"];
-      };
+    #   };
-      Unit = {
+    #   Unit = {
-        After = [ "graphical-session.target" ];
+    #     After = [ "graphical-session.target" ];
-        PartOf = [ "graphical-session.target" ];
+    #     PartOf = [ "graphical-session.target" ];
-      };
+    #   };
-      Service = {
+    #   Service = {
-        ExecStart = lib.getExe cfg.programs.wpaperd.package;
+    #     ExecStart = lib.getExe cfg.services.wpaperd.package;
-        Type = "simple";
+    #     Type = "simple";
-        Restart = "always";
+    #     Restart = "always";
-        RestartSec = "2s";
+    #     RestartSec = "2s";
-      };
+    #   };
-    };
+    # };
    xembed-sni-proxy = {
      Unit = {
        PartOf = lib.mkForce ["tray.target"];
diff --git a/accounts/gkleen@sif/utils/async-yt-dlp.nix b/accounts/gkleen@sif/utils/async-yt-dlp.nix
new file mode 100644
index 00000000..c3b82ec5
--- /dev/null
+++ b/accounts/gkleen@sif/utils/async-yt-dlp.nix
@@ -0,0 +1,57 @@
+{ writers, python3Packages, ... }:
+writers.writePython3Bin "async-yt-dlp" {
+  libraries = with python3Packages; [ yt-dlp ];
+  flakeIgnore = ["E501"];
+} ''
+import sys
+import os
+import yt_dlp
+import yt_dlp.options
+from collections import namedtuple
+import socket
+from pathlib import Path
+import json
+create_parser = yt_dlp.options.create_parser
+def parse_patched_options(opts):
+    patched_parser = create_parser()
+    patched_parser.defaults.update({
+        'ignoreerrors': False,
+        'retries': 0,
+        'fragment_retries': 0,
+        'extract_flat': False,
+        'concat_playlist': 'never',
+    })
+    yt_dlp.options.create_parser = lambda: patched_parser
+    try:
+        return yt_dlp.parse_options(opts)
+    finally:
+        yt_dlp.options.create_parser = create_parser
+default_opts = parse_patched_options([]).ydl_opts
+def cli_to_api(opts):
+    opts = parse_patched_options(opts)
+    urls = opts.urls
+    opts = opts.ydl_opts
+    diff = {k: v for k, v in opts.items() if default_opts[k] != v}
+    if 'postprocessors' in diff:
+        diff['postprocessors'] = [pp for pp in diff['postprocessors']
+                                  if pp not in default_opts['postprocessors']]
+    return namedtuple('Options', ('params', 'urls'))(diff, urls)
+if __name__ == '__main__':
+    opts = cli_to_api(sys.argv[1:])
+    with socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) as sock:
+        sock.connect(str(Path(os.environ["XDG_RUNTIME_DIR"]) / "yt-dlp.sock").encode('utf-8'))
+        with sock.makefile(mode='w', buffering=1, encoding='utf-8') as fh:
+            json.dump(opts._asdict(), fh)
+''
diff --git a/accounts/gkleen@sif/zshrc b/accounts/gkleen@sif/zshrc
index c628e2e9..abc200c6 100644
--- a/accounts/gkleen@sif/zshrc
+++ b/accounts/gkleen@sif/zshrc
@@ -2,17 +2,14 @@ dir() {
    curlArchive=false
    templateArchive=""
    repoUrl=""
-    nixShell=""
-    findNix=false
    dir=""
    forceShell=false
    wormhole=false
    gitWorktree=""
-    # notmuchMsg=""
-    quickserve=false
    modifyPDF=""
+    miniserve=false
-    while getopts ':t:a:s:Sd:ir:wqg:p:' arg; do
+    while getopts ':t:a:d:ir:wg:p:m' arg; do
        case $arg in
            "t") ;;
            "a")
@@ -23,16 +20,13 @@ dir() {
                    templateArchive=${OPTARG:a}
                fi
                ;;
-            "s") nixShell=${OPTARG:a} ;;
-            "S") findNix=true ;;
            "d") dir=${OPTARG} ;;
            "i") forceShell=true ;;
            "r") repoUrl=${OPTARG} ;;
            "w") wormhole=true ;;
            "g") gitWorktree=${OPTARG} ;;
-            # "n") notmuchMsg=${OPTARG} ;;
-            "q") quickserve=true ;;
            "p") modifyPDF=${OPTARG:a} ;;
+            "m") miniserve=true ;;
            *) printf "Invalid option: %s\n" $arg >&2; exit 2 ;;
        esac
    done
@@ -56,20 +50,34 @@ dir() {
        gitWorktree=""
    fi
+    miniservePIDFile=""
+    if [[ ${miniserve} = "true" ]]; then
+      miniservePIDFile=$(mktemp --tmpdir --suffix=.pid)
+    fi
    cleanup()
    {
-        cd ${modifyPDF:h}
+        if [[ -n ${modifyPDF} ]]; then
-        [[ -n ${modifyPDF} ]] && nix shell 'nixos#imagemagick' -c convert -verbose ${dir}/${modifyPDF:t:r}_*.png(on) ${modifyPDF}
+           cd ${modifyPDF:h}
+           typeset -a pages
+           eval 'pages=(${dir}/${modifyPDF:t:r}_*.png(on))'
+           magick -verbose "$pages" ${modifyPDF}
+           modifyPDF=""
+        fi
+        if [[ -n ${miniservePIDFile} ]]; then
+           command kill --verbose -- $(cat ${miniservePIDFile}) && wait $(cat ${miniservePIDFile})
+           miniservePIDFile=""
+        fi
    }
    (
+        set -o localoptions -o localtraps
+        trap 'return 1' INT TERM
        trap cleanup EXIT
        cd ${dir}
        export dir;
-        ${findNix} && { nixShell=$(findNix) || return $? }
        [[ -n ${repoUrl} ]] && git clone -- ${repoUrl} .
        [[ -n ${modifyPDF} ]] && templateArchive=${modifyPDF}
@@ -82,7 +90,7 @@ dir() {
                }
                trap cleanup EXIT
-                if ${curlArchive}; then
+                if [[ $curlArchive = "true" ]]; then
                    archiveFile=$(mktemp -t "archive.XXXXXXXXXX.${templateArchive:t}")
                    curl -L -o ${archiveFile} ${templateArchive}
@@ -91,14 +99,14 @@ dir() {
                fi
                unpack=true
-                while ${unpack}; do
+                while [[ $unpack = "true" ]]; do
                    case $(file --brief --mime-type --dereference ${templateArchive}) in
                        application/zip)
                            unzip ${templateArchive}
                            unpack=false
                        ;;
                        application/vnd.debian.binary-package)
-                            nix shell 'nixos#binutils' --command ar x ${templateArchive}
+                            ar x ${templateArchive}
                            mkdir control data
                            tar -C control -xvaf control.*
                            tar -C data -xvaf data.*
@@ -106,7 +114,7 @@ dir() {
                        ;;
                        application/x-rpm)
                            cpioArchive=$(mktemp -t "archive.XXXXXXXXXX.${templateArchive:t:r}.cpio")
-                            nix shell 'nixos#busybox' --command rpm2cpio ${templateArchive} > ${cpioArchive}
+                            rpm2cpio ${templateArchive} > ${cpioArchive}
                            templateArchive=${cpioArchive}
                            unpack=true
                        ;;
@@ -115,12 +123,12 @@ dir() {
                            unpack=false
                        ;;
                        application/pdf)
-                            nix shell 'nixos#ghostscript' 'nixos#imagemagick' -c convert -verbose -density 400 ${templateArchive} ${modifyPDF:t:r}_%0d.png
+                            magick -verbose -density 400 ${templateArchive} ${modifyPDF:t:r}_%0d.png
                            unpack=false
                        ;;
                        application/octet-stream)
-                            if [[ $(file --brief --dereferenc ${templateArchive}) =~ Squashfs ]]; then
+                            if [[ $(file --brief --dereference ${templateArchive}) =~ Squashfs ]]; then
-                               nix shell 'nixos#squashfsTools' -c unsquashfs -d . ${templateArchive}
+                               unsquashfs -d . ${templateArchive}
                               unpack=false
                            fi
                        ;;
@@ -134,25 +142,21 @@ dir() {
        fi
-        ${wormhole} && wormhole receive --accept-file
+        [[ $wormhole = "true" ]] && wormhole receive --accept-file
-        if ${quickserve}; then
+        if [[ ${#@} -gt 0 ]]; then
-          quickserve --root . --upload . --show-hidden --tar gz
+            ${@}
        fi
+        cd $(pwd) # Needed for mounting to work
-        if [[ ${#@} -eq 0 ]] || ${forceShell}; then
+        if [[ ${miniserve} = "true" ]]; then
-            if [[ ${#@} -gt 0 ]]; then
+           miniserve --random-route --hidden --enable-tar-gz --enable-zip . &
-                if [[ -z ${nixShell} ]]; then
+           echo $! > "${miniservePIDFile}"
-                    ${@}
+        fi
-                else
-                    nix-shell ${nixShell} --run "${@}"
-                fi
-            fi
-            cd $(pwd) # Needed for mounting to work
+        if [[ ${#@} -eq 0 ]] && [[ ${miniserve} != "true" ]] || [[ $forceShell = "true" ]]; then
            isSingleDir() {
                typeset -a contents
                contents=(*(N) .*(N))
@@ -166,18 +170,9 @@ dir() {
            }
            while d=$(isSingleDir); do cd ${d}; done
+            zsh
-            if [[ -z ${nixShell} ]]; then
+        elif [[ ${miniserve} == "true" ]]; then
-                zsh
+            wait $(cat "${miniservePIDFile}")
-            else
-                nix-shell ${nixShell} --run zsh
-            fi
-        else
-            if [[ -z ${nixShell} ]]; then
-                ${@}
-            else
-                nix-shell ${nixShell} --run "${@}"
-            fi
        fi
    )
 }
@@ -185,27 +180,30 @@ dir() {
 tmpdir() {
    cleanup()
    {
-      cd /
+        cd /
        unmount() {
            printf "Unmounting %s\n" ${1} >&2
            fusermount -u ${1} || umount ${1} || sudo umount ${1}
        }
-        if mountpoint -q -- ${dir}; then
+        if [[ -n ${dir} ]]; then
-            unmount ${dir} || return $?
+            if mountpoint -q -- ${dir}; then
-        else
+                unmount ${dir} || return $?
-            while read -d $'\0' subDir; do
+            else
-                mountpoint -q -- ${subDir} || continue
+                while read -d $'\0' subDir; do
-                unmount ${subDir} || return $?
+                    mountpoint -q -- ${subDir} || continue
-            done <<<$(find ${dir} -xdev -type d -print0 | sort -zr)
+                    unmount ${subDir} || return $?
-        fi
+                done <<<$(find ${dir} -xdev -type d -print0 | sort -zr)
+            fi
-        rm -rfv --one-file-system -- ${dir}
+            rm -rfv --one-file-system -- ${dir}
+            dir=""
+        fi
    }
    local tmpdir=""
-    while getopts ':t:a:s:Sd:ir:wqg:p:' arg; do
+    while getopts ':t:a:d:ir:wg:p:m' arg; do
        case $arg in
            "t") tmpdir="=${OPTARG}" ;;
            "?"|":") printf "Invalid option: %s\n" $arg >&2; exit 2 ;;
@@ -213,6 +211,8 @@ tmpdir() {
    done
    (
+        set -o localoptions -o localtraps
+        trap 'return 1' INT TERM
        trap cleanup EXIT
@@ -234,16 +234,6 @@ public-ip() {
    curl -s -H 'Accept: application/json' $@ ifconfig.co | jq -r '.ip'
 }
-nix-ghci() {
-    pkgExpr=""
-    if [[ ${#@} -gt 0 ]]; then
-        pkgExpr="${1}"
-        shift
-    fi
-    nix-shell -p "with (import <nixpkgs> {}); pkgs.haskellPackages.ghcWithPackages (p: with p; [${pkgExpr}])" --run "ghci ${@}"
-}
 swap() {
    f1=${1}
    f2=${2}
@@ -271,14 +261,6 @@ l() {
  ls --long --binary --git --time-style=iso --header $@
 }
-re() {
-  systemctl restart $@
-}
-ure() {
-  systemctl --user restart $@
-}
 ssh-installer() {
  ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentityFile=~/.ssh/gkleen@sif.midgard.yggdrasil $@
 }
diff --git a/accounts/gkleen@surtr.nix b/accounts/gkleen@surtr.nix
index 58c4f21d..8f678ac9 100644
--- a/accounts/gkleen@surtr.nix
+++ b/accounts/gkleen@surtr.nix
@@ -1,3 +1,7 @@
-{ userName, ... }: {
+{ flake, userName, ... }: {
-  home-manager.users.${userName}.home.stateVersion = "20.09";
+  imports = with flake.nixosModules.userProfiles.${userName}; [
+    zsh tmux
+  ];
+  config.home-manager.users.${userName}.home.stateVersion = "20.09";
 }
diff --git a/accounts/gkleen@vidhar.nix b/accounts/gkleen@vidhar.nix
index 8509c2f4..3a37c4bd 100644
--- a/accounts/gkleen@vidhar.nix
+++ b/accounts/gkleen@vidhar.nix
@@ -1,4 +1,8 @@
 { flake, pkgs, userName, config, ... }: {
+  imports = with flake.nixosModules.userProfiles.${userName}; [
+    zsh tmux
+  ];
  config = {
    users.users.${userName} = {
      uid = 1000;
diff --git a/accounts/mherold@eostre.nix b/accounts/mherold@eostre.nix
index 51e4529a..0e2f37aa 100644
--- a/accounts/mherold@eostre.nix
+++ b/accounts/mherold@eostre.nix
@@ -7,9 +7,9 @@
    home-manager.users.${userName} = {
      home.stateVersion = "20.09";
-      nixpkgs.config = {
+      # nixpkgs.config = {
-        allowUnfree = true;
+      #   allowUnfree = true;
-      };
+      # };
      home.packages = with pkgs; [
        thunderbird libreoffice element-desktop keepassxc vlc
diff --git a/accounts/root@installer.nix b/accounts/root@installer.nix
index c7a418f8..5fe1db38 100644
--- a/accounts/root@installer.nix
+++ b/accounts/root@installer.nix
@@ -1,7 +1,11 @@
-{ userName, ... }:
+{ flake, userName, ... }:
 {
-  home-manager.users.${userName} = { config, ... } : {
+  imports = with flake.nixosModules.userProfiles.${userName}; [
+    zsh tmux
+  ];
+  config.home-manager.users.${userName} = { config, ... } : {
    home.stateVersion = config.home.version.release;
  };
 }
diff --git a/accounts/root@sif.nix b/accounts/root@sif.nix
index c9e129a0..bb816230 100644
--- a/accounts/root@sif.nix
+++ b/accounts/root@sif.nix
@@ -1,6 +1,10 @@
-{ userName, ... }:
+{ flake, userName, ... }:
 {
-  home-manager.users.${userName} = {
+  imports = with flake.nixosModules.userProfiles.${userName}; [
+    zsh tmux
+  ];
+  config.home-manager.users.${userName} = {
    home.stateVersion = "20.09";
    programs.ssh.matchBlocks = {
diff --git a/accounts/root@surtr.nix b/accounts/root@surtr.nix
index 58c4f21d..8f678ac9 100644
--- a/accounts/root@surtr.nix
+++ b/accounts/root@surtr.nix
@@ -1,3 +1,7 @@
-{ userName, ... }: {
+{ flake, userName, ... }: {
-  home-manager.users.${userName}.home.stateVersion = "20.09";
+  imports = with flake.nixosModules.userProfiles.${userName}; [
+    zsh tmux
+  ];
+  config.home-manager.users.${userName}.home.stateVersion = "20.09";
 }
diff --git a/accounts/root@vidhar.nix b/accounts/root@vidhar.nix
index e82414a8..0fc56633 100644
--- a/accounts/root@vidhar.nix
+++ b/accounts/root@vidhar.nix
@@ -1,6 +1,11 @@
-{ config, userName, ... }:
+{ flake, config, userName, ... }:
 {
-  home-manager.users.${userName} = {
+  imports = with flake.nixosModules.userProfiles.${userName}; [
+    zsh tmux
+  ];
+  config.home-manager.users.${userName} = {
    home.stateVersion = "20.09";
    programs.ssh.matchBlocks = {
diff --git a/flake.lock b/flake.lock
index f6af639b..cab6ae5f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -115,11 +115,11 @@
    "flake-compat_3": {
      "flake": false,
      "locked": {
-        "lastModified": 1733328505,
+        "lastModified": 1747046372,
-        "narHash": "sha256-NeCCThCEP3eCl2l/+27kNNK7QrwZB1IJCrXfrbv5oqU=",
+        "narHash": "sha256-CIVLLkVgvHYbgI2UpXvIIBJ12HWgX+fjA8Xf8PUmqCY=",
        "owner": "edolstra",
        "repo": "flake-compat",
-        "rev": "ff81ac966bb2cae68946d5ed5fc4994f96d0ffec",
+        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
        "type": "github"
      },
      "original": {
@@ -322,11 +322,11 @@
        ]
      },
      "locked": {
-        "lastModified": 1738691953,
+        "lastModified": 1746904907,
-        "narHash": "sha256-JY/w2Xyrj3mhUhLJkSgk8t7MSf3LGZjewPTQ7QtCbHE=",
+        "narHash": "sha256-XYo6bwc7xwo4lO6a/D2ttYRN4yDmsAjyt5O1E0vOLDg=",
        "owner": "gkleen",
        "repo": "home-manager",
-        "rev": "c077fc8684289ab1b1c2231bab1566879e099c97",
+        "rev": "696495266c65b76f08d8196b87aa7bd835906570",
        "type": "github"
      },
      "original": {
@@ -343,11 +343,11 @@
        ]
      },
      "locked": {
-        "lastModified": 1710245356,
+        "lastModified": 1747139300,
-        "narHash": "sha256-8cQGUn+N1dTgklMWMejSLN2q8Oz+7Rnqsfaw2rt3bU4=",
+        "narHash": "sha256-V+YnIIM2wMprHGgzOU0HzyeWQEjP6EhG8kc4IffWFeg=",
        "owner": "gkleen",
        "repo": "home-manager",
-        "rev": "a14fe0c27d04dfa3d80abe2db743e9a7f4f2a33d",
+        "rev": "50182497604587a24bdbe97d6400b1696eac57b1",
        "type": "github"
      },
      "original": {
@@ -397,11 +397,11 @@
        "xwayland-satellite-unstable": "xwayland-satellite-unstable"
      },
      "locked": {
-        "lastModified": 1745483403,
+        "lastModified": 1747638609,
-        "narHash": "sha256-fNemxNtPugDzCK7ofPApufFhD4EW5PiA0v3+aS1O6rY=",
+        "narHash": "sha256-rPTN667tMqC1IQYgsnotVfXbVNbOzScxn0ontMkkSPk=",
        "owner": "sodiboo",
        "repo": "niri-flake",
-        "rev": "17ebd40a372527ad20cc799b1835beaf7abf7200",
+        "rev": "af697f3a8665c8d0770485a2e659ddde88430e3b",
        "type": "github"
      },
      "original": {
@@ -431,11 +431,11 @@
    "niri-unstable": {
      "flake": false,
      "locked": {
-        "lastModified": 1745351516,
+        "lastModified": 1747635487,
-        "narHash": "sha256-nQRp1Q+kV137Dsk7WCsnq6zQA7YrvRll2wVcG7wZpHA=",
+        "narHash": "sha256-za7ctGh4MaW1h5Drm1WtwNZxiXvQK9yXZAeeIyY9b2Q=",
        "owner": "YaLTeR",
        "repo": "niri",
-        "rev": "6ab055a4b968ccf115a1be3b65b0d5ec4d7c33f1",
+        "rev": "3f2b7e63ba15cf33475116d32e8b7d22208a8438",
        "type": "github"
      },
      "original": {
@@ -472,11 +472,11 @@
        ]
      },
      "locked": {
-        "lastModified": 1745120797,
+        "lastModified": 1747540584,
-        "narHash": "sha256-owQ0VQ+7cSanTVPxaZMWEzI22Q4bGnuvhVjLAJBNQ3E=",
+        "narHash": "sha256-cxCQ413JTUuRv9Ygd8DABJ1D6kuB/nTfQqC0Lu9C0ls=",
        "owner": "Mic92",
        "repo": "nix-index-database",
-        "rev": "69716041f881a2af935021c1182ed5b0cc04d40e",
+        "rev": "ec179dd13fb7b4c6844f55be91436f7857226dce",
        "type": "github"
      },
      "original": {
@@ -493,11 +493,11 @@
        ]
      },
      "locked": {
-        "lastModified": 1737219791,
+        "lastModified": 1745680380,
-        "narHash": "sha256-OU0NPjJ3woNDFNx7HtWuUXBb4eI6Ggre/Uj2qhiSjrg=",
+        "narHash": "sha256-Z8PknjkmIr/8ZCH+dmc2Pc+UltiOr7/oKg37PXuVvuU=",
        "owner": "ners",
        "repo": "nix-monitored",
-        "rev": "6ed8ed4832ff26c616e5856ba19f5b8141d61bd3",
+        "rev": "60f3baa4701d58eab86c2d1d9c3d7e820074d461",
        "type": "github"
      },
      "original": {
@@ -514,11 +514,11 @@
        ]
      },
      "locked": {
-        "lastModified": 1741549407,
+        "lastModified": 1747637556,
-        "narHash": "sha256-f9SXK+/rvlryDNlc++Eva/hYjbkf7OCalWwmwifRhtI=",
+        "narHash": "sha256-AYd1nE+BLWTZS8J0eFQ7kuNiuE+XjhhndoXinj7en/M=",
        "owner": "AshleyYakeley",
        "repo": "NixVirt",
-        "rev": "9950b932dce4ae6b9bda7c83d41705c1a14e10f0",
+        "rev": "a7d3d3ae8b9a0cf3ec3cf504bb593df0618a6dbc",
        "type": "github"
      },
      "original": {
@@ -529,11 +529,11 @@
    },
    "nixos-hardware": {
      "locked": {
-        "lastModified": 1745392233,
+        "lastModified": 1747129300,
-        "narHash": "sha256-xmqG4MZArM1JNxPJ33s0MtuBzgnaCO9laARoU3AfP8E=",
+        "narHash": "sha256-L3clA5YGeYCF47ghsI7Tcex+DnaaN/BbQ4dR2wzoiKg=",
        "owner": "NixOS",
        "repo": "nixos-hardware",
-        "rev": "8bf8a2a0822365bd8f44fd1a19d7ed0a1d629d64",
+        "rev": "e81fd167b33121269149c57806599045fd33eeed",
        "type": "github"
      },
      "original": {
@@ -651,11 +651,11 @@
    },
    "nixpkgs-stable_2": {
      "locked": {
-        "lastModified": 1745279238,
+        "lastModified": 1747485343,
-        "narHash": "sha256-AQ7M9wTa/Pa/kK5pcGTgX/DGqMHyzsyINfN7ktsI7Fo=",
+        "narHash": "sha256-YbsZyuRE1tobO9sv0PUwg81QryYo3L1F3R3rF9bcG38=",
        "owner": "NixOS",
        "repo": "nixpkgs",
-        "rev": "9684b53175fc6c09581e94cc85f05ab77464c7e3",
+        "rev": "9b5ac7ad45298d58640540d0323ca217f32a6762",
        "type": "github"
      },
      "original": {
@@ -699,11 +699,11 @@
    },
    "nixpkgs_2": {
      "locked": {
-        "lastModified": 1745391562,
+        "lastModified": 1747542820,
-        "narHash": "sha256-sPwcCYuiEopaafePqlG826tBhctuJsLx/mhKKM5Fmjo=",
+        "narHash": "sha256-GaOZntlJ6gPPbbkTLjbd8BMWaDYafhuuYRNrxCGnPJw=",
        "owner": "NixOS",
        "repo": "nixpkgs",
-        "rev": "8a2f738d9d1f1d986b5a4cd2fd2061a7127237d7",
+        "rev": "292fa7d4f6519c074f0a50394dbbe69859bb6043",
        "type": "github"
      },
      "original": {
@@ -879,6 +879,52 @@
        "type": "gitlab"
      }
    },
+    "pyproject-build-systems": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "pyproject-nix": [
+          "pyproject-nix"
+        ],
+        "uv2nix": [
+          "uv2nix"
+        ]
+      },
+      "locked": {
+        "lastModified": 1744599653,
+        "narHash": "sha256-nysSwVVjG4hKoOjhjvE6U5lIKA8sEr1d1QzEfZsannU=",
+        "owner": "pyproject-nix",
+        "repo": "build-system-pkgs",
+        "rev": "7dba6dbc73120e15b558754c26024f6c93015dd7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "pyproject-nix",
+        "repo": "build-system-pkgs",
+        "type": "github"
+      }
+    },
+    "pyproject-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1746540146,
+        "narHash": "sha256-QxdHGNpbicIrw5t6U3x+ZxeY/7IEJ6lYbvsjXmcxFIM=",
+        "owner": "pyproject-nix",
+        "repo": "pyproject.nix",
+        "rev": "e09c10c24ebb955125fda449939bfba664c467fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "pyproject-nix",
+        "repo": "pyproject.nix",
+        "type": "github"
+      }
+    },
    "root": {
      "inputs": {
        "backup-utils": "backup-utils",
@@ -902,7 +948,10 @@
        "nvfetcher": "nvfetcher",
        "poetry2nix": "poetry2nix",
        "prometheus-borg-exporter": "prometheus-borg-exporter",
+        "pyproject-build-systems": "pyproject-build-systems",
+        "pyproject-nix": "pyproject-nix",
        "sops-nix": "sops-nix",
+        "uv2nix": "uv2nix",
        "waybar": "waybar"
      }
    },
@@ -913,11 +962,11 @@
        ]
      },
      "locked": {
-        "lastModified": 1745310711,
+        "lastModified": 1747603214,
-        "narHash": "sha256-ePyTpKEJTgX0gvgNQWd7tQYQ3glIkbqcW778RpHlqgA=",
+        "narHash": "sha256-lAblXm0VwifYCJ/ILPXJwlz0qNY07DDYdLD+9H+Wc8o=",
        "owner": "Mic92",
        "repo": "sops-nix",
-        "rev": "5e3e92b16d6fdf9923425a8d4df7496b2434f39c",
+        "rev": "8d215e1c981be3aa37e47aeabd4e61bb069548fd",
        "type": "github"
      },
      "original": {
@@ -978,6 +1027,29 @@
        "type": "github"
      }
    },
+    "uv2nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "pyproject-nix": [
+          "pyproject-nix"
+        ]
+      },
+      "locked": {
+        "lastModified": 1747441483,
+        "narHash": "sha256-W8BFXk5R0TuJcjIhcGoMpSOaIufGXpizK0pm+uTqynA=",
+        "owner": "pyproject-nix",
+        "repo": "uv2nix",
+        "rev": "582024dc64663e9f88d467c2f7f7b20d278349de",
+        "type": "github"
+      },
+      "original": {
+        "owner": "pyproject-nix",
+        "repo": "uv2nix",
+        "type": "github"
+      }
+    },
    "waybar": {
      "inputs": {
        "flake-compat": [
@@ -988,16 +1060,16 @@
        ]
      },
      "locked": {
-        "lastModified": 1742140394,
+        "lastModified": 1747383113,
-        "narHash": "sha256-U1Lp5HZbpnWQRetOLzQl3dURplY2BRfAZYkjBawYrVM=",
+        "narHash": "sha256-/YW7eOKU3gsNplxvUDpEj1LiXtcCENSFpS1c8kXSDWw=",
        "owner": "gkleen",
        "repo": "Waybar",
-        "rev": "f310667db199c570b599a08152d49b7f80db93f2",
+        "rev": "919036587381595f15010ac95644992fe6d7343d",
        "type": "github"
      },
      "original": {
        "owner": "gkleen",
-        "ref": "feat/niri-workspaces-hide",
+        "ref": "feat/niri-urgency",
        "repo": "Waybar",
        "type": "github"
      }
@@ -1022,11 +1094,11 @@
    "xwayland-satellite-unstable": {
      "flake": false,
      "locked": {
-        "lastModified": 1745372360,
+        "lastModified": 1747111562,
-        "narHash": "sha256-5DX9lYmEbkdANCzME2v3coV0EnWOhS7NsTlGBQuqmjM=",
+        "narHash": "sha256-GAqhWoxaBIk0tgoecZPa8gTHDHxNc0JtlwWHZN2iOOo=",
        "owner": "Supreeeme",
        "repo": "xwayland-satellite",
-        "rev": "c31679aa41966ee9272bb240703755cb1e7c72e3",
+        "rev": "ec9ff64c1e0cbec42710b580b7c0f759b1694e72",
        "type": "github"
      },
      "original": {
diff --git a/flake.nix b/flake.nix
index 116aed21..20ab9f7e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -125,6 +125,21 @@
        nixpkgs.follows = "nixpkgs";
      };
    };
+    pyproject-nix = {
+      url = "github:pyproject-nix/pyproject.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    uv2nix = {
+      url = "github:pyproject-nix/uv2nix";
+      inputs.pyproject-nix.follows = "pyproject-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    pyproject-build-systems = {
+      url = "github:pyproject-nix/build-system-pkgs";
+      inputs.pyproject-nix.follows = "pyproject-nix";
+      inputs.uv2nix.follows = "uv2nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
    ca-util = {
      type = "gitlab";
@@ -172,7 +187,7 @@
      type = "github";
      owner = "gkleen";
      repo = "Waybar";
-      ref = "feat/niri-workspaces-hide";
+      ref = "feat/niri-urgency";
      inputs = {
        nixpkgs.follows = "nixpkgs";
        flake-compat.follows = "flake-compat";
@@ -348,7 +363,7 @@
        overlays = mapAttrs (_name: path: mkOverlay path) overlayPaths;
-        packages = forAllSystems (system: systemPkgs: nixImport rec { dir = ./tools; _import = _path: name: import "${toString dir}/${name}" ({ inherit system; } // inputs); });
+        packages = forAllSystems (system: systemPkgs: nixImport rec { dir = ./tools; _import = name: _base: import (dir + "/${name}") ({ inherit system; } // inputs); });
        # packages = mapAttrs (_name: filterAttrs (_name: isDerivation)) packages;
        # packages' = mapAttrs (_name: filterAttrs (_name: value: !(isDerivation value))) packages;
@@ -360,6 +375,8 @@
          activateNixosConfigurations activateHomeManagerConfigurations
        ];
+        lib = nixImport rec { dir = ./lib; _import = name: _base: import (dir + "/${name}") inputs; };
        devShells = forAllSystems (system: systemPkgs: { default = import ./shell.nix ({ inherit system; } // inputs); } // installerShells system systemPkgs);
        templates.default = {
@@ -383,7 +400,7 @@
            #   path = activateHomeManager (self.nixosConfigurations.${hostname}.config.nixpkgs.system) usercfg.home;
            # }) self.nixosConfigurations.${hostname}.config.home-manager.users);
          }) (nixImport { dir = ./hosts; _import = (_path: name: name); });
-          overrides = if pathExists ./deploy then nixImport { dir = ./deploy; _import = path: _name: import (./deploy + "/${path}") inputs; } else {};
+          overrides = if pathExists ./deploy then nixImport rec { dir = ./deploy; _import = path: _name: import (dir + "/${path}") inputs; } else {};
          filterEnabled = attrs: mapAttrs (_n: v: filterAttrs (n: _v: n != "enabled") v) (filterAttrs (_n: v: v.enabled or true) attrs);
        in mapAttrs (_n: v: if v ? "profiles" then v // { profiles = filterEnabled v.profiles; } else v) (filterEnabled (recursiveUpdate defaults overrides));
diff --git a/home-modules/nixpkgs-release-check.nix b/home-modules/nixpkgs-release-check.nix
new file mode 100644
index 00000000..baf2713a
--- /dev/null
+++ b/home-modules/nixpkgs-release-check.nix
@@ -0,0 +1,4 @@
+{ ... }:
+{
+  config.home.enableNixpkgsReleaseCheck = false;
+}
diff --git a/hosts/sif/default.nix b/hosts/sif/default.nix
index 0897e1d8..6214569a 100644
--- a/hosts/sif/default.nix
+++ b/hosts/sif/default.nix
@@ -12,7 +12,7 @@ let
 in {
  imports = with flake.nixosModules.systemProfiles; [
    ./hw.nix
-    ./mail ./libvirt ./greetd
+    ./email ./libvirt ./greetd
    tmpfs-root bcachefs initrd-all-crypto-modules default-locale openssh rebuild-machines niri-unstable networkmanager
    flakeInputs.nixos-hardware.nixosModules.lenovo-thinkpad-p1
    flakeInputs.impermanence.nixosModules.impermanence
@@ -126,40 +126,16 @@ in {
        rulesetFile = ./ruleset.nft;
      };
-      # firewall = {
-      #   enable = true;
-      #   allowedTCPPorts = [ 22 # ssh
-      #                       8000 # quickserve
-      #                     ];
-      # };
-      # wlanInterfaces = {
-      #   wlan0 = {
-      #     device = "wlp82s0";
-      #   };
-      # };
-      # bonds = {
-      #   "lan" = {
-      #     interfaces = [ "wlan0" "enp0s31f6" "dock0" ];
-      #     driverOptions = {
-      #       miimon = "1000";
-      #       mode = "active-backup";
-      #       primary_reselect = "always";
-      #     };
-      #   };
-      # };
      useDHCP = false;
      useNetworkd = true;
-      # interfaces."tinc.yggdrasil" = {
-      #   virtual = true;
-      #   virtualType = config.services.tinc.networks.yggdrasil.interfaceType;
-      #   macAddress = "5c:93:21:c3:61:39";
-      # };
    };
+    environment.etc."NetworkManager/dnsmasq.d/dnssec.conf" = {
+      text = ''
+        conf-file=${pkgs.dnsmasq}/share/dnsmasq/trust-anchors.conf
+        dnssec
+      '';
+    };
    environment.etc."NetworkManager/dnsmasq.d/libvirt_dnsmasq.conf" = {
      text = ''
        except-interface=virbr0
@@ -402,19 +378,6 @@ in {
    ];
    services = {
-      uucp = {
-        enable = true;
-        nodeName = "sif";
-        remoteNodes = {
-          "ymir" = {
-            publicKeys = ["ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIG6KNtsCOl5fsZ4rV7udTulGMphJweLBoKapzerWNoLY root@ymir"];
-            hostnames = ["ymir.yggdrasil.li" "ymir.niflheim.yggdrasil"];
-          };
-        };
-        defaultCommands = lib.mkForce [];
-      };
      avahi.enable = true;
      fwupd.enable = true;
@@ -433,8 +396,8 @@ in {
      logind = {
        lidSwitch = "suspend";
-        lidSwitchDocked = "lock";
+        lidSwitchDocked = "ignore";
-        lidSwitchExternalPower = "lock";
+        lidSwitchExternalPower = "ignore";
      };
      atd = {
@@ -640,25 +603,6 @@ in {
    environment.etc."X11/xorg.conf.d/50-wacom.conf".source = lib.mkForce ./wacom.conf;
-    systemd.services."ac-plugged" = {
-      description = "Inhibit handling of lid-switch and sleep";
-      path = with pkgs; [ systemd coreutils ];
-      script = ''
-        exec systemd-inhibit --what=handle-lid-switch --why="AC is connected" --mode=block sleep infinity
-      '';
-      serviceConfig = {
-        Type = "simple";
-      };
-    };
-    services.udev.extraRules = with pkgs; lib.mkAfter ''
-      SUBSYSTEM=="power_supply", ENV{POWER_SUPPLY_ONLINE}=="0", RUN+="${systemd}/bin/systemctl --no-block stop ac-plugged.service"
-      SUBSYSTEM=="power_supply", ENV{POWER_SUPPLY_ONLINE}=="1", RUN+="${systemd}/bin/systemctl --no-block start ac-plugged.service"
-    '';
    systemd.services."nix-daemon".serviceConfig = {
      MemoryAccounting = true;
      MemoryHigh = "50%";
@@ -718,7 +662,7 @@ in {
      directories = [
        "/nix"
        "/root"
-        "/home"
+        "/home"
        "/var/log"
        "/var/lib/sops-nix"
        "/var/lib/nixos"
@@ -729,8 +673,6 @@ in {
        "/var/lib/upower"
        "/var/lib/postfix"
        "/etc/NetworkManager/system-connections"
-        { directory = "/var/uucp"; user = "uucp"; group = "uucp"; mode = "0700"; }
-        { directory = "/var/spool/uucp"; user = "uucp"; group = "uucp"; mode = "0750"; }
      ];
      files = [
      ];
@@ -751,10 +693,6 @@ in {
    home-manager.sharedModules = [ flakeInputs.nixVirt.homeModules.default ];
-    environment.pathsToLink = [
-      "share/zsh"
-    ];
    system.stateVersion = "24.11";
  };
 }
diff --git a/hosts/sif/email/default.nix b/hosts/sif/email/default.nix
new file mode 100644
index 00000000..4eda236e
--- /dev/null
+++ b/hosts/sif/email/default.nix
@@ -0,0 +1,110 @@
+{ config, lib, pkgs, ... }:
+{
+  services.postfix = {
+    enable = true;
+    enableSmtp = false;
+    enableSubmission = false;
+    setSendmail = true;
+    networksStyle = "host";
+    hostname = "sif.midgard.yggdrasil";
+    destination = [];
+    recipientDelimiter = "+";
+    config = {
+      mydomain = "yggdrasil.li";
+      local_transport = "error:5.1.1 No local delivery";
+      alias_database = [];
+      alias_maps = [];
+      local_recipient_maps = [];
+      inet_interfaces = "loopback-only";
+      message_size_limit = "0";
+      authorized_submit_users = "inline:{ gkleen= }";
+      authorized_flush_users = "inline:{ gkleen= }";
+      authorized_mailq_users = "inline:{ gkleen= }";
+      smtp_generic_maps = "inline:{ root=root+sif }";
+      mynetworks = ["127.0.0.0/8" "[::1]/128"];
+      smtpd_client_restrictions = ["permit_mynetworks" "reject"];
+      smtpd_relay_restrictions = ["permit_mynetworks" "reject"];
+      sender_dependent_default_transport_maps = ''regexp:${pkgs.writeText "sender_relay" ''
+        /@(cip|stud)\.ifi\.(lmu|uni-muenchen)\.de$/ smtp:smtp.ifi.lmu.de
+        /@ifi\.(lmu|uni-muenchen)\.de$/ smtp:smtpin1.ifi.lmu.de:587
+        /@math(ematik)?\.(lmu|uni-muenchen)\.de$/ smtps:smtp.math.lmu.de:465
+        /@(campus\.)?lmu\.de$/ smtp:postout.lrz.de
+      ''}'';
+      sender_bcc_maps = ''regexp:${pkgs.writeText "sender_bcc" ''
+        /^uni2work(-[^@]*)?@ifi\.lmu\.de$/ uni2work@ifi.lmu.de
+        /@ifi\.lmu\.de$/ gregor.kleen@ifi.lmu.de
+      ''}'';
+      relayhost = "[surtr.yggdrasil.li]:465";
+      default_transport = "relay";
+      smtp_sasl_auth_enable = true;
+      smtp_sender_dependent_authentication = true;
+      smtp_sasl_tls_security_options = "noanonymous";
+      smtp_sasl_mechanism_filter = ["plain"];
+      smtp_sasl_password_maps = "regexp:/run/credentials/postfix.service/sasl_passwd";
+      smtp_cname_overrides_servername = false;
+      smtp_always_send_ehlo = true;
+      smtp_tls_security_level = "dane";
+      smtp_tls_loglevel = "1";
+      smtp_dns_support_level = "dnssec";
+    };
+    masterConfig = {
+      submission = {
+        type = "inet";
+        private = false;
+        command = "smtpd";
+        args = [
+          "-o" "syslog_name=postfix/$service_name"
+        ];
+      };
+      smtp = { };
+      smtps = {
+        type = "unix";
+        private = true;
+        privileged = true;
+        chroot = false;
+        command = "smtp";
+        args = [
+          "-o" "smtp_tls_wrappermode=yes"
+          "-o" "smtp_tls_security_level=encrypt"
+        ];
+      };
+      relay = {
+        command = "smtp";
+        args = [
+          "-o" "smtp_fallback_relay="
+          "-o" "smtp_tls_security_level=verify"
+          "-o" "smtp_tls_wrappermode=yes"
+          "-o" "smtp_tls_cert_file=${./relay.crt}"
+          "-o" "smtp_tls_key_file=/run/credentials/postfix.service/relay.key"
+        ];
+      };
+    };
+  };
+  systemd.services.postfix = {
+    serviceConfig.LoadCredential = [
+      "sasl_passwd:${config.sops.secrets."postfix-sasl-passwd".path}"
+      "relay.key:${config.sops.secrets."relay-key".path}"
+    ];
+  };
+  sops.secrets = {
+    postfix-sasl-passwd = {
+      key = "sasl-passwd";
+      sopsFile = ./secrets.yaml;
+    };
+    relay-key = {
+      format = "binary";
+      sopsFile = ./relay.key;
+    };
+  };
+}
diff --git a/hosts/sif/email/relay.crt b/hosts/sif/email/relay.crt
new file mode 100644
index 00000000..ac13e7cb
--- /dev/null
+++ b/hosts/sif/email/relay.crt
@@ -0,0 +1,11 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/hosts/sif/email/relay.key b/hosts/sif/email/relay.key
new file mode 100644
index 00000000..412a44e0
--- /dev/null
+++ b/hosts/sif/email/relay.key
@@ -0,0 +1,19 @@
+{
+        "data": "ENC[AES256_GCM,data:lBlTuzOS75pvRmcTKT4KhHMH44RlE2SvCFAUP+GfsXws1Uai7DZ1MmbhvxxCa+pcLW19+sQYxrXLRNZWby1yOeKBJ2UQeYV5LOk9LSL/WIE3FZkCo5Dv0O0gSFKjjb61WN22a4JnHbLWADf/mLT3GZv91XfvFDo=,iv:ho8wQH3UNzX9JPW5gVcUGtxZzdVwsMFus0Z4KYe5t48=,tag:dAgZyHOva2xVVhE1nTl+lg==,type:str]",
+        "sops": {
+                "age": [
+                        {
+                                "recipient": "age1rmmhetcmllq0ahl5qznlr0eya2zdxwl9h6y5wnl97d2wtyx5t99sm2u866",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB6eTVRSUdFNUZGZmcxSUlT\nWmlsOGNyWXIzMGNTZjlKbXlhcEdZUXFRVkR3Cll0T0RMd0h2UW16QkR3SHlhYmNZ\nNDFrYXh3Rkp5NWsvcWc3UFJJaHVwT1UKLS0tIHhXVEI0VHBZVkpDQ1FzWENjMmJH\nb1FQWXVUUTBiZ1pKWG00MTNqVEo2SjAKK3VOU+QgRuxWYWEcrJiVMRFCprBICz4F\ngD+9zuPUzPezyJkYwTs+M+wX5GYkXppqm5W58yQLS2UDD38sr+SRjg==\n-----END AGE ENCRYPTED FILE-----\n"
+                        },
+                        {
+                                "recipient": "age1fj65apkhfkrwyv5tx6zcs9nkjg8267fy733qph30sc7zfn7vapjqkd5kne",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBzWmJmZDVFazN2bDY1TkNG\nNXpJN2twMFFjZUxMTVdSNzJwQTFiYktrcGdrCjk4eFVHTko0bFVMSlFFWm9tbjMr\nbWNHMEQ1Rm1qUVhodlB1RGw2aDc4TUEKLS0tIERBK0J5NkN4OXJEZ1ZOZXhNc1Jm\naWNnUmZGbTIxdmNkYi9TZ2h2bGs3MVEKPQGaEf7M/5/xvSOfawpIp50fB3QfFSuz\nPgkrPMneaBeUx+uBYMyEFX4rpzLIBR3pnYMjAfoc+bjWaOtGQuEqyQ==\n-----END AGE ENCRYPTED FILE-----\n"
+                        }
+                ],
+                "lastmodified": "2025-04-25T12:14:44Z",
+                "mac": "ENC[AES256_GCM,data:pObl2bJA93az9E3Ya+hA3ekI8TKKZ9NNTi0KzmWZBOiQwi9FuQYtpnmmT80L1KXWyOKJV6wGdAri3mNe/ue2S0TziSbQ/4+Dj4ubFKgkH7thb5q2dFyxw5FzhYzRQiXFqD/pxcNN9uL0lQI2Al0Eci0zX8Kcd1rAQ6RzLEoSmco=,iv:zo/3QFKTUEDxLy1k5yyU7Z1JMZ7cKdYUc6GHjaTTZKQ=,tag:f63Eja3lBfwJCYAOyEt56g==,type:str]",
+                "unencrypted_suffix": "_unencrypted",
+                "version": "3.10.2"
+        }
+}
diff --git a/hosts/sif/mail/secrets.yaml b/hosts/sif/email/secrets.yaml
index 3c74b710..3c74b710 100644
--- a/hosts/sif/mail/secrets.yaml
+++ b/hosts/sif/email/secrets.yaml
diff --git a/hosts/sif/mail/default.nix b/hosts/sif/mail/default.nix
deleted file mode 100644
index 8d6cd705..00000000
--- a/hosts/sif/mail/default.nix
+++ /dev/null
@@ -1,70 +0,0 @@
-{ config, lib, pkgs, ... }:
-{
-  services.postfix = {
-    enable = true;
-    enableSmtp = true;
-    enableSubmission = false;
-    setSendmail = true;
-    networksStyle = "host";
-    hostname = "sif.midgard.yggdrasil";
-    destination = [];
-    relayHost = "uucp:ymir";
-    recipientDelimiter = "+";
-    masterConfig = {
-      uucp = {
-        type = "unix";
-        private = true;
-        privileged = true;
-        chroot = false;
-        command = "pipe";
-        args = [ "flags=Fqhu" "user=uucp" ''argv=${config.security.wrapperDir}/uux -z -a $sender - $nexthop!rmail ($recipient)'' ];
-      };
-      smtps = {
-        type = "unix";
-        private = true;
-        privileged = true;
-        chroot = false;
-        command = "smtp";
-        args = [ "-o" "smtp_tls_wrappermode=yes" "-o" "smtp_tls_security_level=encrypt" ];
-      };
-    };
-    config = {
-      default_transport = "uucp:ymir";
-      inet_interfaces = "loopback-only";
-      authorized_submit_users = ["!uucp" "static:anyone"];
-      message_size_limit = "0";
-      sender_dependent_default_transport_maps = ''regexp:${pkgs.writeText "sender_relay" ''
-        /@(cip|stud)\.ifi\.(lmu|uni-muenchen)\.de$/ smtp:smtp.ifi.lmu.de
-        /@ifi\.(lmu|uni-muenchen)\.de$/ smtp:smtpin1.ifi.lmu.de:587
-        /@math(ematik)?\.(lmu|uni-muenchen)\.de$/ smtps:smtp.math.lmu.de:465
-        /@(campus\.)?lmu\.de$/ smtp:postout.lrz.de
-      ''}'';
-      sender_bcc_maps = ''regexp:${pkgs.writeText "sender_bcc" ''
-        /^uni2work(-[^@]*)?@ifi\.lmu\.de$/ uni2work@ifi.lmu.de
-        /@ifi\.lmu\.de$/ gregor.kleen@ifi.lmu.de
-      ''}'';
-      smtp_sasl_auth_enable = true;
-      smtp_sender_dependent_authentication = true;
-      smtp_sasl_tls_security_options = "noanonymous";
-      smtp_sasl_mechanism_filter = ["plain"];
-      smtp_sasl_password_maps = "regexp:/var/db/postfix/sasl_passwd";
-      smtp_cname_overrides_servername = false;
-      smtp_always_send_ehlo = true;
-      smtp_tls_security_level = "dane";
-      smtp_tls_loglevel = "1";
-      smtp_dns_support_level = "dnssec";
-    };
-  };
-  sops.secrets.postfix-sasl-passwd = {
-    key = "sasl-passwd";
-    path = "/var/db/postfix/sasl_passwd";
-    owner = "postfix";
-    sopsFile = ./secrets.yaml;
-  };
-}
diff --git a/hosts/sif/ruleset.nft b/hosts/sif/ruleset.nft
index 2af8b2ee..62339f69 100644
--- a/hosts/sif/ruleset.nft
+++ b/hosts/sif/ruleset.nft
@@ -61,7 +61,7 @@ table inet filter {
  counter mosh-rx {}
  counter wg-rx {}
  counter yggdrasil-gre-rx {}
-  counter quickserve-rx {}
+  counter miniserve-rx {}
  counter ausweisapp2-rx {}
  counter established-rx {}
@@ -81,7 +81,7 @@ table inet filter {
  counter mosh-tx {}
  counter wg-tx {}
  counter yggdrasil-gre-tx {}
-  counter quickserve-tx {}
+  counter miniserve-tx {}
  counter tx {}
@@ -134,7 +134,7 @@ table inet filter {
    tcp dport 22 counter name ssh-rx accept
    udp dport 60000-61000 counter name mosh-rx accept
-    tcp dport 8000 counter name quickserve-rx accept
+    tcp dport 8080 counter name miniserve-rx accept
    udp dport 24727 counter name ausweisapp2-rx accept
    udp dport 51820-51822 counter name wg-rx accept
@@ -173,7 +173,7 @@ table inet filter {
    udp sport 51820-51822 counter name wg-tx
    iifname "yggdrasil-wg-*" meta l4proto gre counter name yggdrasil-gre-tx
-    tcp sport 8000 counter name quickserve-tx accept
+    tcp sport 8080 counter name miniserve-tx accept
    oifname virbr0 udp sport 67 counter name libvirt-dhcp accept
    oifname virbr0 udp sport 547 counter name libvirt-dhcp accept
diff --git a/hosts/surtr/audiobookshelf.nix b/hosts/surtr/audiobookshelf.nix
new file mode 100644
index 00000000..728851a4
--- /dev/null
+++ b/hosts/surtr/audiobookshelf.nix
@@ -0,0 +1,66 @@
+{ config, ... }:
+{
+  config = {
+    security.acme.rfc2136Domains = {
+      "audiobookshelf.yggdrasil.li" = {
+        restartUnits = ["nginx.service"];
+      };
+    };
+    services.nginx = {
+      upstreams."audiobookshelf" = {
+        servers = {
+          "[2a03:4000:52:ada:4:1::]:28982" = {};
+        };
+        extraConfig = ''
+          keepalive 8;
+        '';
+      };
+      virtualHosts = {
+        "audiobookshelf.yggdrasil.li" = {
+          kTLS = true;
+          http3 = true;
+          forceSSL = true;
+          sslCertificate = "/run/credentials/nginx.service/audiobookshelf.yggdrasil.li.pem";
+          sslCertificateKey = "/run/credentials/nginx.service/audiobookshelf.yggdrasil.li.key.pem";
+          sslTrustedCertificate = "/run/credentials/nginx.service/audiobookshelf.yggdrasil.li.chain.pem";
+          extraConfig = ''
+            charset utf-8;
+          '';
+          locations = {
+            "/".extraConfig = ''
+              proxy_pass http://audiobookshelf;
+              proxy_http_version 1.1;
+              proxy_set_header Upgrade $http_upgrade;
+              proxy_set_header Connection "upgrade";
+              proxy_redirect off;
+              proxy_set_header Host $host;
+              proxy_set_header X-Real-IP $remote_addr;
+              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+              proxy_set_header X-Forwarded-Host $server_name;
+              proxy_set_header X-Forwarded-Proto $scheme;
+              client_max_body_size 0;
+              proxy_request_buffering off;
+              proxy_buffering off;
+            '';
+          };
+        };
+      };
+    };
+    systemd.services.nginx = {
+      serviceConfig = {
+        LoadCredential = [
+          "audiobookshelf.yggdrasil.li.key.pem:${config.security.acme.certs."audiobookshelf.yggdrasil.li".directory}/key.pem"
+          "audiobookshelf.yggdrasil.li.pem:${config.security.acme.certs."audiobookshelf.yggdrasil.li".directory}/fullchain.pem"
+          "audiobookshelf.yggdrasil.li.chain.pem:${config.security.acme.certs."audiobookshelf.yggdrasil.li".directory}/chain.pem"
+        ];
+      };
+    };
+  };
+}
diff --git a/hosts/surtr/bifrost/default.nix b/hosts/surtr/bifrost/default.nix
index fbfde757..52ab43f5 100644
--- a/hosts/surtr/bifrost/default.nix
+++ b/hosts/surtr/bifrost/default.nix
@@ -18,7 +18,7 @@ in {
            ListenPort = 51822;
          };
          wireguardPeers = [
-            { AllowedIPs = [ "2a03:4000:52:ada:4:1::/96" ];
+            { AllowedIPs = [ "2a03:4000:52:ada:4:1::/96" "2a03:4000:52:ada:6::/80" ];
              PublicKey = trim (readFile ../../vidhar/network/bifrost/vidhar.pub);
            }
          ];
@@ -34,6 +34,8 @@ in {
          routes = [
            { Destination = "2a03:4000:52:ada:4::/80";
            }
+            { Destination = "2a03:4000:52:ada:6::/80";
+            }
          ];
          linkConfig = {
            RequiredForOnline = false;
diff --git a/hosts/surtr/default.nix b/hosts/surtr/default.nix
index 0a79d047..9d3101c0 100644
--- a/hosts/surtr/default.nix
+++ b/hosts/surtr/default.nix
@@ -7,7 +7,7 @@ with lib;
    tmpfs-root qemu-guest openssh rebuild-machines zfs
    ./zfs.nix ./dns ./tls ./http ./bifrost ./matrix ./postgresql
    ./prometheus ./email ./vpn ./borg.nix ./etebase ./immich.nix
-    ./paperless.nix ./hledger.nix
+    ./paperless.nix ./hledger.nix ./audiobookshelf.nix ./kimai.nix
  ];
  config = {
diff --git a/hosts/surtr/dns/default.nix b/hosts/surtr/dns/default.nix
index e878d625..8aca2b97 100644
--- a/hosts/surtr/dns/default.nix
+++ b/hosts/surtr/dns/default.nix
@@ -157,7 +157,7 @@ in {
        ${concatMapStringsSep "\n" mkZone [
          { domain = "yggdrasil.li";
            addACLs = { "yggdrasil.li" = ["ymir_acme_acl"]; };
-            acmeDomains = ["surtr.yggdrasil.li" "yggdrasil.li" "etesync.yggdrasil.li" "immich.yggdrasil.li" "app.etesync.yggdrasil.li" "paperless.yggdrasil.li" "hledger.yggdrasil.li"];
+            acmeDomains = ["surtr.yggdrasil.li" "yggdrasil.li" "etesync.yggdrasil.li" "immich.yggdrasil.li" "app.etesync.yggdrasil.li" "paperless.yggdrasil.li" "hledger.yggdrasil.li" "audiobookshelf.yggdrasil.li" "kimai.yggdrasil.li"];
          }
          { domain = "nights.email";
            addACLs = { "nights.email" = ["ymir_acme_acl"]; };
diff --git a/hosts/surtr/dns/keys/audiobookshelf.yggdrasil.li_acme b/hosts/surtr/dns/keys/audiobookshelf.yggdrasil.li_acme
new file mode 100644
index 00000000..e3af9966
--- /dev/null
+++ b/hosts/surtr/dns/keys/audiobookshelf.yggdrasil.li_acme
@@ -0,0 +1,19 @@
+{
+        "data": "ENC[AES256_GCM,data:5BLk/MZtQsLjpdKGiZjtOH1soIXB05MkEoPWyr5m27ho7H5udDjRZE0/OjvSlMzQNjFNJc+OwbeHwaJ8sPLCnXqoFHJXikAmi0gpdFC0uN0JGYCBT1EaK7j6yVHyiqFXo6xwVSCO/zP/fbjItiuqU+B4llGx5N2I4HQqRLFoW/35PZazkR15xI1zo8LeC8T+jm16apFQw2Ih/RqsJK7XlHqnXq9SzeA2qhgkCbJf6aJ6zDS7eQVFt7qHh2mVtV7Al++bZiIkJiNJ5SJO1ck18w2t9HwXBhfMFKXvfFW0I6kKur1qSJk=,iv:rxm5PwOzXDaK+nj2k3bUqlYbIFFA49ispyfamtQqU/A=,tag:7dOua39f+0JsLldLRLr1NQ==,type:str]",
+        "sops": {
+                "age": [
+                        {
+                                "recipient": "age1rmmhetcmllq0ahl5qznlr0eya2zdxwl9h6y5wnl97d2wtyx5t99sm2u866",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSAwV1hIcWNNRVJXOG1xYlFK\nb1VxWG03dGVmS3dmQTltUTR0VmEzYjRFanlBCnE1M1BTZjNCQnpsNkU5ZlR5T3BR\nOHliWUV2bXMrK0w1K3JXbUE0dEhKdzgKLS0tIDdkUEZ4QUE0NUN2TXFYcklybjBS\nRVpxV2J6U1BnUng1dytWTGRkd0FrRGcKVaMCzcrX+BQqbmh95JEk3lRdfnv9uO8n\nwotKxp/+xX7GEF42BOzJ/mWcgyVjABlnWeVyaRxfpbCUrmNuFYO6XA==\n-----END AGE ENCRYPTED FILE-----\n"
+                        },
+                        {
+                                "recipient": "age19a7j77w267z04zls7m28a8hj4a0g5af6ltye2d5wypg33c3l89csd4r9zq",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBkZmRFR0gwc1pjVVorK0t6\nVHU4U0xob09Dd2J5QUJXbndZdWp3cytpYWhRCnFnMlZ0cjNGdXN1RWEvQlVHSE1M\nMEdzSjlEb2NkaE1zMEJJOTlCMC9FVFEKLS0tIGJiTEJSRVZZbVUzZVFGeXQwYm1w\ndWVYQVdoVlJnRENTYzhnQm1BcWVRdW8K0ECfLVQBQuZWFFFjdHLcJBz+CDzsOOwh\nOA38qxHD4EWfXR1c3G8RDbow7nB2MGc1Zohc7qhtuTj2wL0qhVKWqA==\n-----END AGE ENCRYPTED FILE-----\n"
+                        }
+                ],
+                "lastmodified": "2025-05-09T17:07:16Z",
+                "mac": "ENC[AES256_GCM,data:K5I6YXQXCUPHFBNVlXIdLLKqiNPVZh95KoHni2m16SdAvTyBab79SZ5xNvotrtKXp0iISCogEgdMm+OWbxYywEiZ+sUsxgx6RE5nAXruZOiAwzuyUr88qgCHTBZnKzgaDZlbYOgWB+LCzr8s5JbcTD4G6/RaXYyqmx7igygubHA=,iv:Zbij4eoDqoP5XYhAsDGBGqlcP5ACQAY/QngTmrJYRzs=,tag:WYxhUEZwmXkQmnpyOuP2Bg==,type:str]",
+                "unencrypted_suffix": "_unencrypted",
+                "version": "3.10.2"
+        }
+}
diff --git a/hosts/surtr/dns/keys/kimai.yggdrasil.li_acme b/hosts/surtr/dns/keys/kimai.yggdrasil.li_acme
new file mode 100644
index 00000000..bdfb135a
--- /dev/null
+++ b/hosts/surtr/dns/keys/kimai.yggdrasil.li_acme
@@ -0,0 +1,19 @@
+{
+        "data": "ENC[AES256_GCM,data:sKFt4pH0Xn7Qm6JFMg/2N7Ht7jtMJukfN+U3dQaoYXPbhRJ+heEtDpXV/WP4AlfbfpIOgTPW3mcmQCwKFNhS00vEsQA4728FfXZzDDmZCa3hwg51wDbL7XUOr0OePgzi86lt0Q193K6CkGqEAa1vFIb//ElEfBYIwdATbmcoAsM3mHhz58X7c1qf8LNuB93o/1N2xXXZI3NWOhOjlviTc2DAhffXDwlMJSYUhldnwtDKmLM1mooJzLgm2p9w7gRD7WPqEqZFq9uFDK69P9uX5T9hFHg=,iv:rAE4sYxxLou4tyD4RWTp3LjQP0cya95coy1MvwfEK/U=,tag:u4SSk8SZFlj0ks7d6tDocw==,type:str]",
+        "sops": {
+                "age": [
+                        {
+                                "recipient": "age1rmmhetcmllq0ahl5qznlr0eya2zdxwl9h6y5wnl97d2wtyx5t99sm2u866",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB2KzdNUWhEcDB6QmtUTnVh\nNS9Nc2I4UjAzekxhRXo1UmY3SklPejV1TURJCm9NY2lVOERoMDFKTU56Mmh1NHEr\naGV4M1RoVldHV0xyc3Z0MnVqakpjMFUKLS0tIEYxSk9OUm9kMkdtcG5POWRGQVkx\nY1FEaXYwMGo0L0Z0aTVTZDA5aUFDWEUKJ+e/7lR/rNPNVnIy+wkiKiAYMxWp4L7q\nwnSTx451vSnxv9j3JWB43Y7XQC08cisWDj06ULw8FnEbKYOvTYj9mQ==\n-----END AGE ENCRYPTED FILE-----\n"
+                        },
+                        {
+                                "recipient": "age19a7j77w267z04zls7m28a8hj4a0g5af6ltye2d5wypg33c3l89csd4r9zq",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBwOTU3dUEzaXM5T1VkbDRO\nMm14OG1mUkk2bDRhdnBsMHBkc3kvUzlyNlQwCktFSHJhMnhoQ2J6bC9vUHNLWTRC\nRFpYeHo3N2xjWUhjQnRwQ2Nrc1pRUmsKLS0tIDdPeFBVdkxDd1JWSmcxQ0tLMTBD\ncHU3VExZOUhYUlJvbGNoK3FMK2VIbGMKFk94P9aBY04CPIi983f3Aalgh4fnU+/K\n2mxawSMf9jz8704N5XJfmr2hwNy8hqLIn8bjsEMAPTfE1YBGga4w0g==\n-----END AGE ENCRYPTED FILE-----\n"
+                        }
+                ],
+                "lastmodified": "2025-05-24T09:42:23Z",
+                "mac": "ENC[AES256_GCM,data:diCeJGvBmM0Ng722eKoFwDe7pqZrdLPSLn5j9LfdaFI64BAbSbA5bAq4NFXqdJ1vttarD2A5rEafYoXUxP8228x2GhNyWUGW5AWgBjVPUc59gjs4wYKR5HlkVMIadhTwNheEyoEjrxX40GNBgCG7X3ocOtOYKbKECp433gdAPDg=,iv:d+yJMWj2RyFnveo2ZNrpNeV+amXM+H7vdC0A2F7mwjA=,tag:yjibG2iusdprp0ORghYWhw==,type:str]",
+                "unencrypted_suffix": "_unencrypted",
+                "version": "3.10.2"
+        }
+}
diff --git a/hosts/surtr/dns/zones/email.nights.soa b/hosts/surtr/dns/zones/email.nights.soa
index 913a88d4..34209a99 100644
--- a/hosts/surtr/dns/zones/email.nights.soa
+++ b/hosts/surtr/dns/zones/email.nights.soa
@@ -1,7 +1,7 @@
 $ORIGIN nights.email.
 $TTL 3600
 @ IN SOA ns.yggdrasil.li. hostmaster.yggdrasil.li (
-  2023013000 ; serial
+  2025060700 ; serial
  10800      ; refresh
  3600       ; retry
  604800     ; expire
@@ -27,11 +27,7 @@ $TTL 3600
 _acme-challenge         IN      NS      ns.yggdrasil.li.
-ymir._domainkey         IN      TXT     ( 
+ymir._domainkey         IN      CNAME   ymir._domainkey.yggdrasil.li.
-  "v=DKIM1;k=rsa;p=MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAq3cCKlk+VPhyAanLZTM0BCzUT/+fmxHioZcFk0uJk1akBYj7BRofR7eVNcLKpm3rwYMQgE+9vJH9p8SV6tws9EcWc8SMCqqGZlREYM7PmLDiTSK/vjCzkygfgFCb0EBNsY2A/fpP4rTeoxrbcBSvMkq97iY5rwyw4wXZVZXLiDaCj23s8POoxTk1ClqUJZJQ5x2"
-  "qzrC0RfN5kLZ9A7Gq2jB09vNxpXHYqABA0bJv88JiZM7hfkp9IafJZ+yCVMaBcJs4DAxnTjNAuFD9gm+qSFVY8+yeXqL6Qjo5PbruhyZRBW8RgRYT8t5n07XRglMGKKGMwOGLanrltcyXqB+GsDZBD36RAAwjFadnxdpDyRv4SgRP7ff2tKRrORYpmpN+mKdqw5j3J/nP6bXV1oAkyh9XQkPEIDi81WT87EZziTElDzVp6A2qFOxqucAovoRk24"
-  "7vlsns1FApFRsp9mja0UZNObyKD1M6tP9Ep7lS76tFGMk+WDvXRJH5LEsyCpu7sSyl1r/O0M4K+KldRCqLlZd7rf8F5P8T0dn1azk05g7F4p0N/y9GNdzXbPZ9u0eZdI7SEdh8ZoOZp7NVZiBFfbWLSS5ZtyA2kbBa4i7GJ/cuAbEKOmqAkeQPiu96TGIcyjkXjS6mTPI+9UmKZYZC+OM8XdJ02y5KRoonCc19ZS8CAwEAAQ=="
-)
 _xmpp-client._tcp       IN      SRV     5 0 5222 ymir.yggdrasil.li.
 _xmpp-server._tcp       IN      SRV     5 0 5269 ymir.yggdrasil.li.
diff --git a/hosts/surtr/dns/zones/li.141.soa b/hosts/surtr/dns/zones/li.141.soa
index ab117f09..78d137bb 100644
--- a/hosts/surtr/dns/zones/li.141.soa
+++ b/hosts/surtr/dns/zones/li.141.soa
@@ -1,7 +1,7 @@
 $ORIGIN 141.li.
 $TTL 3600
 @ IN SOA ns.yggdrasil.li. hostmaster.yggdrasil.li (
-  2025020900 ; serial
+  2025060701 ; serial
  10800      ; refresh
  3600       ; retry
  604800     ; expire
@@ -45,11 +45,8 @@ ymir                    IN      AAAA    2a03:4000:6:d004::
 ymir                    IN      MX      0 ymir.yggdrasil.li
 ymir                    IN      TXT     "v=spf1 redirect=ymir.yggdrasil.li"
-ymir._domainkey         IN      TXT     ( 
+ymir._domainkey         IN      CNAME   ymir._domainkey.yggdrasil.li.
-  "v=DKIM1;k=rsa;p=MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAq3cCKlk+VPhyAanLZTM0BCzUT/+fmxHioZcFk0uJk1akBYj7BRofR7eVNcLKpm3rwYMQgE+9vJH9p8SV6tws9EcWc8SMCqqGZlREYM7PmLDiTSK/vjCzkygfgFCb0EBNsY2A/fpP4rTeoxrbcBSvMkq97iY5rwyw4wXZVZXLiDaCj23s8POoxTk1ClqUJZJQ5x2"
+surtr._domainkey        IN      CNAME   surtr._domainkey.yggdrasil.li.
-  "qzrC0RfN5kLZ9A7Gq2jB09vNxpXHYqABA0bJv88JiZM7hfkp9IafJZ+yCVMaBcJs4DAxnTjNAuFD9gm+qSFVY8+yeXqL6Qjo5PbruhyZRBW8RgRYT8t5n07XRglMGKKGMwOGLanrltcyXqB+GsDZBD36RAAwjFadnxdpDyRv4SgRP7ff2tKRrORYpmpN+mKdqw5j3J/nP6bXV1oAkyh9XQkPEIDi81WT87EZziTElDzVp6A2qFOxqucAovoRk24"
-  "7vlsns1FApFRsp9mja0UZNObyKD1M6tP9Ep7lS76tFGMk+WDvXRJH5LEsyCpu7sSyl1r/O0M4K+KldRCqLlZd7rf8F5P8T0dn1azk05g7F4p0N/y9GNdzXbPZ9u0eZdI7SEdh8ZoOZp7NVZiBFfbWLSS5ZtyA2kbBa4i7GJ/cuAbEKOmqAkeQPiu96TGIcyjkXjS6mTPI+9UmKZYZC+OM8XdJ02y5KRoonCc19ZS8CAwEAAQ=="
-)
 _xmpp-client._tcp       IN      SRV     5 0 5222 ymir.yggdrasil.li.
 _xmpp-server._tcp       IN      SRV     5 0 5269 ymir.yggdrasil.li.
diff --git a/hosts/surtr/dns/zones/li.kleen.soa b/hosts/surtr/dns/zones/li.kleen.soa
index a1c7d35a..5dd3e697 100644
--- a/hosts/surtr/dns/zones/li.kleen.soa
+++ b/hosts/surtr/dns/zones/li.kleen.soa
@@ -1,7 +1,7 @@
 $ORIGIN kleen.li.
 $TTL 3600
 @ IN SOA ns.yggdrasil.li. hostmaster.yggdrasil.li (
-  2023013000 ; serial
+  2025060701 ; serial
  10800      ; refresh
  3600       ; retry
  604800     ; expire
@@ -27,11 +27,8 @@ $TTL 3600
 _acme-challenge         IN      NS      ns.yggdrasil.li.
-ymir._domainkey         IN      TXT     ( 
+ymir._domainkey         IN      CNAME   ymir._domainkey.yggdrasil.li.
-  "v=DKIM1;k=rsa;p=MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAq3cCKlk+VPhyAanLZTM0BCzUT/+fmxHioZcFk0uJk1akBYj7BRofR7eVNcLKpm3rwYMQgE+9vJH9p8SV6tws9EcWc8SMCqqGZlREYM7PmLDiTSK/vjCzkygfgFCb0EBNsY2A/fpP4rTeoxrbcBSvMkq97iY5rwyw4wXZVZXLiDaCj23s8POoxTk1ClqUJZJQ5x2"
+surtr._domainkey        IN      CNAME   surtr._domainkey.yggdrasil.li.
-  "qzrC0RfN5kLZ9A7Gq2jB09vNxpXHYqABA0bJv88JiZM7hfkp9IafJZ+yCVMaBcJs4DAxnTjNAuFD9gm+qSFVY8+yeXqL6Qjo5PbruhyZRBW8RgRYT8t5n07XRglMGKKGMwOGLanrltcyXqB+GsDZBD36RAAwjFadnxdpDyRv4SgRP7ff2tKRrORYpmpN+mKdqw5j3J/nP6bXV1oAkyh9XQkPEIDi81WT87EZziTElDzVp6A2qFOxqucAovoRk24"
-  "7vlsns1FApFRsp9mja0UZNObyKD1M6tP9Ep7lS76tFGMk+WDvXRJH5LEsyCpu7sSyl1r/O0M4K+KldRCqLlZd7rf8F5P8T0dn1azk05g7F4p0N/y9GNdzXbPZ9u0eZdI7SEdh8ZoOZp7NVZiBFfbWLSS5ZtyA2kbBa4i7GJ/cuAbEKOmqAkeQPiu96TGIcyjkXjS6mTPI+9UmKZYZC+OM8XdJ02y5KRoonCc19ZS8CAwEAAQ=="
-)
 _xmpp-client._tcp       IN      SRV     5 0 5222 ymir.yggdrasil.li.
 _xmpp-server._tcp       IN      SRV     5 0 5269 ymir.yggdrasil.li.
diff --git a/hosts/surtr/dns/zones/li.synapse.soa b/hosts/surtr/dns/zones/li.synapse.soa
index 086d4a85..247cf025 100644
--- a/hosts/surtr/dns/zones/li.synapse.soa
+++ b/hosts/surtr/dns/zones/li.synapse.soa
@@ -1,7 +1,7 @@
 $ORIGIN synapse.li.
 $TTL 3600
 @ IN SOA ns.yggdrasil.li. hostmaster.yggdrasil.li (
-  2023092100 ; serial
+  2025060701 ; serial
  10800      ; refresh
  3600       ; retry
  604800     ; expire
diff --git a/hosts/surtr/dns/zones/li.yggdrasil.soa b/hosts/surtr/dns/zones/li.yggdrasil.soa
index 2ef120e6..500194ae 100644
--- a/hosts/surtr/dns/zones/li.yggdrasil.soa
+++ b/hosts/surtr/dns/zones/li.yggdrasil.soa
@@ -1,7 +1,7 @@
 $ORIGIN yggdrasil.li.
 $TTL 3600
 @ IN SOA ns.yggdrasil.li. hostmaster.yggdrasil.li (
-  2025021901 ; serial
+  2025060700 ; serial
  10800      ; refresh
  3600       ; retry
  604800     ; expire
@@ -93,12 +93,30 @@ _acme-challenge.hledger	IN	NS	ns.yggdrasil.li.
 hledger                 IN      HTTPS   1 . alpn="h2,h3" ipv4hint="202.61.241.61" ipv6hint="2a03:4000:52:ada::"
+audiobookshelf                 IN      A       202.61.241.61
+audiobookshelf                 IN      AAAA    2a03:4000:52:ada::
+audiobookshelf                 IN      MX      0 surtr.yggdrasil.li
+audiobookshelf                 IN      TXT     "v=spf1 redirect=surtr.yggdrasil.li"
+_acme-challenge.audiobookshelf  IN      NS      ns.yggdrasil.li.
+audiobookshelf                  IN      HTTPS   1 . alpn="h2,h3" ipv4hint="202.61.241.61" ipv6hint="2a03:4000:52:ada::"
+kimai                 IN      A       202.61.241.61
+kimai                 IN      AAAA    2a03:4000:52:ada::
+kimai                 IN      MX      0 surtr.yggdrasil.li
+kimai                 IN      TXT     "v=spf1 redirect=surtr.yggdrasil.li"
+_acme-challenge.kimai   IN      NS      ns.yggdrasil.li.
+kimai                   IN      HTTPS   1 . alpn="h2,h3" ipv4hint="202.61.241.61" ipv6hint="2a03:4000:52:ada::"
 vidhar                  IN      AAAA    2a03:4000:52:ada:4:1::
 vidhar                  IN      MX      0 ymir.yggdrasil.li
 vidhar                  IN      TXT     "v=spf1 redirect=yggdrasil.li"
 mailout                 IN      A       188.68.51.254
 mailout                 IN      AAAA    2a03:4000:6:d004::
+mailout                 IN      A       202.61.241.61
+mailout                 IN      AAAA    2a03:4000:52:ada::
 mailout                 IN      MX      0 ymir.yggdrasil.li
 mailout                 IN      TXT     "v=spf1 redirect=yggdrasil.li"
diff --git a/hosts/surtr/dns/zones/org.praseodym.soa b/hosts/surtr/dns/zones/org.praseodym.soa
index df505b4c..2b97ca19 100644
--- a/hosts/surtr/dns/zones/org.praseodym.soa
+++ b/hosts/surtr/dns/zones/org.praseodym.soa
@@ -1,7 +1,7 @@
 $ORIGIN praseodym.org.
 $TTL 3600
 @ IN SOA ns.yggdrasil.li. hostmaster.yggdrasil.li (
-  2023013000 ; serial
+  2025060701 ; serial
  10800      ; refresh
  3600       ; retry
  604800     ; expire
@@ -32,11 +32,8 @@ surtr			IN	AAAA	2a03:4000:52:ada::
 surtr                   IN      MX      0 ymir.yggdrasil.li
 surtr                   IN      TXT     "v=spf1 redirect=yggdrasil.li"
-ymir._domainkey         IN      TXT     ( 
+ymir._domainkey         IN      CNAME   ymir._domainkey.yggdrasil.li.
-  "v=DKIM1;k=rsa;p=MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAq3cCKlk+VPhyAanLZTM0BCzUT/+fmxHioZcFk0uJk1akBYj7BRofR7eVNcLKpm3rwYMQgE+9vJH9p8SV6tws9EcWc8SMCqqGZlREYM7PmLDiTSK/vjCzkygfgFCb0EBNsY2A/fpP4rTeoxrbcBSvMkq97iY5rwyw4wXZVZXLiDaCj23s8POoxTk1ClqUJZJQ5x2"
+surtr._domainkey        IN      CNAME   surtr._domainkey.yggdrasil.li.
-  "qzrC0RfN5kLZ9A7Gq2jB09vNxpXHYqABA0bJv88JiZM7hfkp9IafJZ+yCVMaBcJs4DAxnTjNAuFD9gm+qSFVY8+yeXqL6Qjo5PbruhyZRBW8RgRYT8t5n07XRglMGKKGMwOGLanrltcyXqB+GsDZBD36RAAwjFadnxdpDyRv4SgRP7ff2tKRrORYpmpN+mKdqw5j3J/nP6bXV1oAkyh9XQkPEIDi81WT87EZziTElDzVp6A2qFOxqucAovoRk24"
-  "7vlsns1FApFRsp9mja0UZNObyKD1M6tP9Ep7lS76tFGMk+WDvXRJH5LEsyCpu7sSyl1r/O0M4K+KldRCqLlZd7rf8F5P8T0dn1azk05g7F4p0N/y9GNdzXbPZ9u0eZdI7SEdh8ZoOZp7NVZiBFfbWLSS5ZtyA2kbBa4i7GJ/cuAbEKOmqAkeQPiu96TGIcyjkXjS6mTPI+9UmKZYZC+OM8XdJ02y5KRoonCc19ZS8CAwEAAQ=="
-)
 _xmpp-client._tcp       IN      SRV     5 0 5222 ymir.yggdrasil.li.
 _xmpp-server._tcp       IN      SRV     5 0 5269 ymir.yggdrasil.li.
diff --git a/hosts/surtr/email/ccert-policy-server/ccert_policy_server/__main__.py b/hosts/surtr/email/ccert-policy-server/ccert_policy_server/__main__.py
index 00182523..7c931559 100644
--- a/hosts/surtr/email/ccert-policy-server/ccert_policy_server/__main__.py
+++ b/hosts/surtr/email/ccert-policy-server/ccert_policy_server/__main__.py
@@ -28,10 +28,12 @@ class PolicyHandler(StreamRequestHandler):
        allowed = False
        user = None
+        relay_eligible = False
        if self.args['sasl_username']:
            user = self.args['sasl_username']
        if self.args['ccert_subject']:
            user = self.args['ccert_subject']
+            relay_eligible = True
        if user:
            with self.server.db_pool.connection() as conn:
@@ -44,10 +46,16 @@ class PolicyHandler(StreamRequestHandler):
                with conn.cursor() as cur:
                    cur.row_factory = namedtuple_row
-                    cur.execute('SELECT "mailbox"."mailbox" as "user", "local", "extension", "domain" FROM "mailbox" INNER JOIN "mailbox_mapping" ON "mailbox".id = "mailbox_mapping"."mailbox" WHERE "mailbox"."mailbox" = %(user)s AND ("local" = %(local)s OR "local" IS NULL) AND ("extension" = %(extension)s OR "extension" IS NULL) AND "domain" = %(domain)s', params = {'user': user, 'local': local, 'extension': extension if extension is not None else '', 'domain': domain}, prepare=True)
-                    for record in cur:
+                    if relay_eligible:
-                        logger.debug('Received result: %s', record)
+                        cur.execute('SELECT EXISTS(SELECT true FROM "mailbox" INNER JOIN "relay_access" ON "mailbox".id = "relay_access"."mailbox" WHERE "mailbox"."mailbox" = %(user)s AND ("domain" = %(domain)s OR %(domain)s ilike CONCAT(\'%%_.\', "domain"))) as "exists"', params = {'user': user, 'domain': domain})
-                        allowed = True
+                        if (row := cur.fetchone()) is not None:
+                            allowed = row.exists
+                    if not allowed:
+                        cur.execute('SELECT EXISTS(SELECT true FROM "mailbox" INNER JOIN "mailbox_mapping" ON "mailbox".id = "mailbox_mapping"."mailbox" WHERE "mailbox"."mailbox" = %(user)s AND ("local" = %(local)s OR "local" IS NULL) AND ("extension" = %(extension)s OR "extension" IS NULL) AND "domain" = %(domain)s) as "exists"', params = {'user': user, 'local': local, 'extension': extension if extension is not None else '', 'domain': domain}, prepare=True)
+                        if (row := cur.fetchone()) is not None:
+                            allowed = row.exists
        action = '550 5.7.0 Sender address not authorized for current user'
        if allowed:
diff --git a/hosts/surtr/email/default.nix b/hosts/surtr/email/default.nix
index 13b33c7f..c993bb18 100644
--- a/hosts/surtr/email/default.nix
+++ b/hosts/surtr/email/default.nix
@@ -1,4 +1,4 @@
-{ config, pkgs, lib, flakeInputs, ... }:
+{ config, pkgs, lib, flake, flakeInputs, ... }:
 with lib;
@@ -15,7 +15,7 @@ let
      for file in $out/pipe/bin/*; do
        wrapProgram $file \
-          --set PATH "${pkgs.coreutils}/bin:${pkgs.rspamd}/bin"
+          --set PATH "${makeBinPath (with pkgs; [coreutils rspamd])}"
      done
    '';
  };
@@ -33,12 +33,28 @@ let
        });
      });
    };
+  internal-policy-server =
+    let
+      workspace = flakeInputs.uv2nix.lib.workspace.loadWorkspace { workspaceRoot = ./internal-policy-server; };
+      pythonSet = flake.lib.pythonSet {
+        inherit pkgs;
+        python = pkgs.python312;
+        overlay = workspace.mkPyprojectOverlay {
+          sourcePreference = "wheel";
+        };
+      };
+      virtualEnv = pythonSet.mkVirtualEnv "internal-policy-server-env" workspace.deps.default;
+    in virtualEnv.overrideAttrs (oldAttrs: {
+      meta = (oldAttrs.meta or {}) // {
+        mainProgram = "internal-policy-server";
+      };
+    });
-  nftables-nologin-script = pkgs.writeScript "nftables-mail-nologin" ''
+  nftables-nologin-script = pkgs.resholve.writeScript "nftables-mail-nologin" {
-    #!${pkgs.zsh}/bin/zsh
+    inputs = with pkgs; [inetutils nftables gnugrep findutils];
+    interpreter = lib.getExe pkgs.zsh;
+  } ''
    set -e
-    export PATH="${lib.makeBinPath (with pkgs; [inetutils nftables])}:$PATH"
    typeset -a as_sets mnt_bys route route6
    as_sets=(${lib.escapeShellArgs config.services.email.nologin.ASSets})
@@ -51,7 +67,7 @@ let
            elif [[ "''${line}" =~ "^route6:\s+(.+)$" ]]; then
                route6+=($match[1])
            fi
-        done < <(whois -h whois.radb.net "!i''${as_set},1" | egrep -o 'AS[0-9]+' | xargs -- whois -h whois.radb.net -- -i origin)
+        done < <(whois -h whois.radb.net "!i''${as_set},1" | grep -Eo 'AS[0-9]+' | xargs whois -h whois.radb.net -- -i origin)
    done
    for mnt_by in $mnt_bys; do
        while IFS=$'\n' read line; do
@@ -190,6 +206,7 @@ in {
          "reject_unauth_destination"
          "reject_unknown_recipient_domain"
          "reject_unverified_recipient"
+          "check_policy_service unix:/run/postfix-internal-policy.sock"
        ];
        unverified_recipient_reject_code = "550";
        unverified_recipient_reject_reason = "Recipient address lookup failed";
@@ -215,7 +232,7 @@ in {
        smtpd_client_event_limit_exceptions = "";
        milter_default_action = "accept";
-        smtpd_milters = [config.services.opendkim.socket "local:/run/rspamd/rspamd-milter.sock"];
+        smtpd_milters = [config.services.opendkim.socket "local:/run/rspamd/rspamd-milter.sock" "local:/run/postsrsd/postsrsd-milter.sock"];
        non_smtpd_milters = [config.services.opendkim.socket "local:/run/rspamd/rspamd-milter.sock"];
        alias_maps = "";
@@ -237,11 +254,6 @@ in {
          ::/0                silent-discard, dsn
        ''}";
-        sender_canonical_maps = "tcp:localhost:${toString config.services.postsrsd.forwardPort}";
-        sender_canonical_classes = "envelope_sender";
-        recipient_canonical_maps = "tcp:localhost:${toString config.services.postsrsd.reversePort}";
-        recipient_canonical_classes = ["envelope_recipient" "header_recipient"];
        virtual_mailbox_domains = ''pgsql:${pkgs.writeText "virtual_mailbox_domains.cf" ''
          hosts = postgresql:///email
          dbname = email
@@ -256,11 +268,24 @@ in {
        virtual_transport = "dvlmtp:unix:/run/dovecot-lmtp";
        smtputf8_enable = false;
-        authorized_submit_users = "inline:{ root= postfwd= }";
+        authorized_submit_users = "inline:{ root= postfwd= dovecot2= }";
+        authorized_flush_users = "inline:{ root= }";
+        authorized_mailq_users = "inline:{ root= }";
        postscreen_access_list = "";
        postscreen_denylist_action = "drop";
        postscreen_greet_action = "enforce";
+        sender_bcc_maps = ''pgsql:${pkgs.writeText "sender_bcc_maps.cf" ''
+          hosts = postgresql:///email
+          dbname = email
+          query = SELECT value FROM sender_bcc_maps WHERE key = '%s'
+        ''}'';
+        recipient_bcc_maps = ''pgsql:${pkgs.writeText "recipient_bcc_maps.cf" ''
+          hosts = postgresql:///email
+          dbname = email
+          query = SELECT value FROM recipient_bcc_maps WHERE key = '%s'
+        ''}'';
      };
      masterConfig = {
        "465" = {
@@ -285,7 +310,7 @@ in {
            hosts = postgresql:///email
            dbname = email
            query = SELECT action FROM virtual_mailbox_access WHERE lookup = '%s' OR (lookup = regexp_replace('%s', '\+[^@]*@', '@') AND NOT EXISTS (SELECT 1 FROM virtual_mailbox_access WHERE lookup = '%s'))
-          ''},permit_tls_all_clientcerts,reject}''
+          ''},check_policy_service unix:/run/postfix-internal-policy.sock,permit_tls_all_clientcerts,reject}''
            "-o" "smtpd_relay_restrictions=permit_tls_all_clientcerts,reject"
            "-o" "{smtpd_data_restrictions = check_policy_service unix:/run/postfwd3/postfwd3.sock}"
            "-o" "unverified_sender_reject_code=550"
@@ -315,7 +340,7 @@ in {
            hosts = postgresql:///email
            dbname = email
            query = SELECT action FROM virtual_mailbox_access WHERE lookup = '%s' OR (lookup = regexp_replace('%s', '\+[^@]*@', '@') AND NOT EXISTS (SELECT 1 FROM virtual_mailbox_access WHERE lookup = '%s'))
-          ''},permit_sasl_authenticated,reject}''
+          ''},check_policy_service unix:/run/postfix-internal-policy.sock,permit_sasl_authenticated,reject}''
            "-o" "smtpd_relay_restrictions=permit_sasl_authenticated,reject"
            "-o" "{smtpd_data_restrictions = check_policy_service unix:/run/postfwd3/postfwd3.sock}"
            "-o" "unverified_sender_reject_code=550"
@@ -366,17 +391,19 @@ in {
    services.postsrsd = {
      enable = true;
-      domain = "surtr.yggdrasil.li";
+      domains = [ "surtr.yggdrasil.li" ] ++ concatMap (domain: [".${domain}" domain]) emailDomains;
      separator = "+";
-      excludeDomains = [ "surtr.yggdrasil.li"
+      extraConfig = ''
-                       ] ++ concatMap (domain: [".${domain}" domain]) emailDomains;
+        socketmap = unix:/run/postsrsd/postsrsd-socketmap.sock
+        milter = unix:/run/postsrsd/postsrsd-milter.sock
+      '';
    };
    services.opendkim = {
      enable = true;
      user = "postfix"; group = "postfix";
      socket = "local:/run/opendkim/opendkim.sock";
-      domains = ''csl:${concatStringsSep "," (["surtr.yggdrasil.li"] ++ emailDomains)}'';
+      domains = ''csl:${concatStringsSep "," (["surtr.yggdrasil.li" "yggdrasil.li" "141.li" "kleen.li" "synapse.li" "praseodym.org"] ++ emailDomains)}'';
      selector = "surtr";
      configFile = builtins.toFile "opendkim.conf" ''
        Syslog true
@@ -675,7 +702,7 @@ in {
        plugin {
          plugin = fts fts_xapian
          fts = xapian
-          fts_xapian = partial=2 full=20 attachments=1 verbose=1
+          fts_xapian = partial=3 full=20 attachments=1 verbose=1
          fts_autoindex = yes
@@ -695,7 +722,7 @@ in {
      startAt = "*-*-* 22:00:00 Europe/Berlin";
      serviceConfig = {
        Type = "oneshot";
-        ExecStart = "${pkgs.dovecot}/bin/doveadm fts optimize -A";
+        ExecStart = "${getExe' pkgs.dovecot "doveadm"} fts optimize -A";
        PrivateDevices = true;
        PrivateNetwork = true;
        ProtectKernelTunables = true;
@@ -780,7 +807,7 @@ in {
    systemd.services.dovecot2 = {
      preStart = ''
        for f in /etc/dovecot/sieve_flag.d/*.sieve /etc/dovecot/sieve_before.d/*.sieve; do
-          ${pkgs.dovecot_pigeonhole}/bin/sievec $f
+          ${getExe' pkgs.dovecot_pigeonhole "sievec"} $f
        done
      '';
@@ -847,15 +874,16 @@ in {
              charset utf-8;
              source_charset utf-8;
            '';
-            root = pkgs.runCommand "mta-sts.${domain}" {} ''
+            root = pkgs.writeTextFile {
-              mkdir -p $out/.well-known
+              name = "mta-sts.${domain}";
-              cp ${pkgs.writeText "mta-sts.${domain}.txt" ''
+              destination = "/.well-known/mta-sts.txt";
+              text = ''
                version: STSv1
                mode: enforce
                max_age: 2419200
                mx: mailin.${domain}
-              ''} $out/.well-known/mta-sts.txt
+              '';
-            '';
+            };
          };
      }) emailDomains);
    };
@@ -872,7 +900,7 @@ in {
    systemd.services.spm = {
      serviceConfig = {
        Type = "notify";
-        ExecStart = "${pkgs.spm}/bin/spm-server";
+        ExecStart = getExe' pkgs.spm "spm-server";
        User = "spm";
        Group = "spm";
@@ -930,7 +958,7 @@ in {
      serviceConfig = {
        Type = "notify";
-        ExecStart = "${ccert-policy-server}/bin/ccert-policy-server";
+        ExecStart = getExe' ccert-policy-server "ccert-policy-server";
        Environment = [
          "PGDATABASE=email"
@@ -963,6 +991,53 @@ in {
    };
    users.groups."postfix-ccert-sender-policy" = {};
+    systemd.sockets."postfix-internal-policy" = {
+      requiredBy = ["postfix.service"];
+      wants = ["postfix-internal-policy.service"];
+      socketConfig = {
+        ListenStream = "/run/postfix-internal-policy.sock";
+      };
+    };
+    systemd.services."postfix-internal-policy" = {
+      after = [ "postgresql.service" ];
+      bindsTo = [ "postgresql.service" ];
+      serviceConfig = {
+        Type = "notify";
+        ExecStart = lib.getExe internal-policy-server;
+        Environment = [
+          "PGDATABASE=email"
+        ];
+        DynamicUser = false;
+        User = "postfix-internal-policy";
+        Group = "postfix-internal-policy";
+        ProtectSystem = "strict";
+        SystemCallFilter = "@system-service";
+        NoNewPrivileges = true;
+        ProtectKernelTunables = true;
+        ProtectKernelModules = true;
+        ProtectKernelLogs = true;
+        ProtectControlGroups = true;
+        MemoryDenyWriteExecute = true;
+        RestrictSUIDSGID = true;
+        KeyringMode = "private";
+        ProtectClock = true;
+        RestrictRealtime = true;
+        PrivateDevices = true;
+        PrivateTmp = true;
+        ProtectHostname = true;
+        ReadWritePaths = ["/run/postgresql"];
+      };
+    };
+    users.users."postfix-internal-policy" = {
+      isSystemUser = true;
+      group = "postfix-internal-policy";
+    };
+    users.groups."postfix-internal-policy" = {};
    services.postfwd = {
      enable = true;
      cache = false;
diff --git a/hosts/surtr/email/internal-policy-server/.envrc b/hosts/surtr/email/internal-policy-server/.envrc
new file mode 100644
index 00000000..2c909235
--- /dev/null
+++ b/hosts/surtr/email/internal-policy-server/.envrc
@@ -0,0 +1,4 @@
+use flake
+[[ -d ".venv" ]] || ( uv venv && uv sync )
+. .venv/bin/activate
diff --git a/hosts/surtr/email/internal-policy-server/.gitignore b/hosts/surtr/email/internal-policy-server/.gitignore
new file mode 100644
index 00000000..4ccfae70
--- /dev/null
+++ b/hosts/surtr/email/internal-policy-server/.gitignore
@@ -0,0 +1,2 @@
+.venv
+**/__pycache__
diff --git a/hosts/surtr/email/internal-policy-server/internal_policy_server/__init__.py b/hosts/surtr/email/internal-policy-server/internal_policy_server/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/hosts/surtr/email/internal-policy-server/internal_policy_server/__init__.py
diff --git a/hosts/surtr/email/internal-policy-server/internal_policy_server/__main__.py b/hosts/surtr/email/internal-policy-server/internal_policy_server/__main__.py
new file mode 100644
index 00000000..04f1a59a
--- /dev/null
+++ b/hosts/surtr/email/internal-policy-server/internal_policy_server/__main__.py
@@ -0,0 +1,106 @@
+from systemd.daemon import listen_fds
+from sdnotify import SystemdNotifier
+from socketserver import StreamRequestHandler, ThreadingMixIn
+from systemd_socketserver import SystemdSocketServer
+import sys
+from threading import Thread
+from psycopg_pool import ConnectionPool
+from psycopg.rows import namedtuple_row
+import logging
+class PolicyHandler(StreamRequestHandler):
+    def handle(self):
+        logger.debug('Handling new connection...')
+        self.args = dict()
+        line = None
+        while line := self.rfile.readline().removesuffix(b'\n'):
+            if b'=' not in line:
+                break
+            key, val = line.split(sep=b'=', maxsplit=1)
+            self.args[key.decode()] = val.decode()
+        logger.info('Connection parameters: %s', self.args)
+        allowed = False
+        user = None
+        if self.args['sasl_username']:
+            user = self.args['sasl_username']
+        if self.args['ccert_subject']:
+            user = self.args['ccert_subject']
+        with self.server.db_pool.connection() as conn:
+            local, domain = self.args['recipient'].split(sep='@', maxsplit=1)
+            extension = None
+            if '+' in local:
+                local, extension = local.split(sep='+', maxsplit=1)
+            logger.debug('Parsed recipient address: %s', {'local': local, 'extension': extension, 'domain': domain})
+            with conn.cursor() as cur:
+                cur.row_factory = namedtuple_row
+                cur.execute('SELECT id, internal FROM "mailbox_mapping" WHERE ("local" = %(local)s OR "local" IS NULL) AND ("extension" = %(extension)s OR "extension" IS NULL) AND "domain" = %(domain)s', params = {'local': local, 'extension': extension if extension is not None else '', 'domain': domain}, prepare = True)
+                if (row := cur.fetchone()) is not None:
+                    if not row.internal:
+                        logger.debug('Recipient mailbox is not internal')
+                        allowed = True
+                    elif user:
+                        cur.execute('SELECT EXISTS(SELECT true FROM "mailbox_mapping_access" INNER JOIN "mailbox" ON "mailbox".id = "mailbox_mapping_access"."mailbox" WHERE mailbox_mapping = %(mailbox_mapping)s AND "mailbox"."mailbox" = %(user)s) as "exists"', params = { 'mailbox_mapping': row.id, 'user': user }, prepare = True)
+                        if (row := cur.fetchone()) is not None:
+                            allowed = row.exists
+                else:
+                    logger.debug('Recipient is not local')
+                    allowed = True
+        action = '550 5.7.0 Recipient mailbox mapping not authorized for current user'
+        if allowed:
+            action = 'DUNNO'
+        logger.info('Reached verdict: %s', {'allowed': allowed, 'action': action})
+        self.wfile.write(f'action={action}\n\n'.encode())
+class ThreadedSystemdSocketServer(ThreadingMixIn, SystemdSocketServer):
+    def __init__(self, fd, RequestHandlerClass):
+        super().__init__(fd, RequestHandlerClass)
+        self.db_pool = ConnectionPool(min_size=1)
+        self.db_pool.wait()
+def main():
+    global logger
+    logger = logging.getLogger(__name__)
+    console_handler = logging.StreamHandler()
+    console_handler.setFormatter( logging.Formatter('[%(levelname)s](%(name)s): %(message)s') )
+    if sys.stderr.isatty():
+        console_handler.setFormatter( logging.Formatter('%(asctime)s [%(levelname)s](%(name)s): %(message)s') )
+    logger.addHandler(console_handler)
+    logger.setLevel(logging.DEBUG)
+    # log uncaught exceptions
+    def log_exceptions(type, value, tb):
+        global logger
+        logger.error(value)
+        sys.__excepthook__(type, value, tb) # calls default excepthook
+    sys.excepthook = log_exceptions
+    fds = listen_fds()
+    servers = [ThreadedSystemdSocketServer(fd, PolicyHandler) for fd in fds]
+    if servers:
+        for server in servers:
+            Thread(name=f'Server for fd{server.fileno()}', target=server.serve_forever).start()
+    else:
+        return 2
+    SystemdNotifier().notify('READY=1')
+    return 0
+if __name__ == '__main__':
+    sys.exit(main())
diff --git a/hosts/surtr/email/internal-policy-server/pyproject.toml b/hosts/surtr/email/internal-policy-server/pyproject.toml
new file mode 100644
index 00000000..c697cd01
--- /dev/null
+++ b/hosts/surtr/email/internal-policy-server/pyproject.toml
@@ -0,0 +1,18 @@
+[project]
+name = "internal-policy-server"
+version = "0.1.0"
+requires-python = ">=3.12"
+dependencies = [
+    "psycopg>=3.2.9",
+    "psycopg-binary>=3.2.9",
+    "psycopg-pool>=3.2.6",
+    "sdnotify>=0.3.2",
+    "systemd-socketserver>=1.0",
+]
+[project.scripts]
+internal-policy-server = "internal_policy_server.__main__:main"
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
diff --git a/hosts/surtr/email/internal-policy-server/uv.lock b/hosts/surtr/email/internal-policy-server/uv.lock
new file mode 100644
index 00000000..f7a4e729
--- /dev/null
+++ b/hosts/surtr/email/internal-policy-server/uv.lock
@@ -0,0 +1,119 @@
+version = 1
+revision = 2
+requires-python = ">=3.12"
+[[package]]
+name = "internal-policy-server"
+version = "0.1.0"
+source = { editable = "." }
+dependencies = [
+    { name = "psycopg" },
+    { name = "psycopg-binary" },
+    { name = "psycopg-pool" },
+    { name = "sdnotify" },
+    { name = "systemd-socketserver" },
+]
+[package.metadata]
+requires-dist = [
+    { name = "psycopg", specifier = ">=3.2.9" },
+    { name = "psycopg-binary", specifier = ">=3.2.9" },
+    { name = "psycopg-pool", specifier = ">=3.2.6" },
+    { name = "sdnotify", specifier = ">=0.3.2" },
+    { name = "systemd-socketserver", specifier = ">=1.0" },
+]
+[[package]]
+name = "psycopg"
+version = "3.2.9"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
+    { name = "tzdata", marker = "sys_platform == 'win32'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/27/4a/93a6ab570a8d1a4ad171a1f4256e205ce48d828781312c0bbaff36380ecb/psycopg-3.2.9.tar.gz", hash = "sha256:2fbb46fcd17bc81f993f28c47f1ebea38d66ae97cc2dbc3cad73b37cefbff700", size = 158122, upload-time = "2025-05-13T16:11:15.533Z" }
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+]
+[[package]]
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+version = "3.2.9"
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+    { url = "https://files.pythonhosted.org/packages/1a/db/cef77d08e59910d483df4ee6da8af51c03bb597f500f1fe818f0f3b925d3/psycopg_binary-3.2.9-cp313-cp313-musllinux_1_2_aarch64.whl", hash = "sha256:a1fa38a4687b14f517f049477178093c39c2a10fdcced21116f47c017516498f", size = 3758667, upload-time = "2025-05-13T16:08:40.116Z" },
+    { url = "https://files.pythonhosted.org/packages/95/3e/252fcbffb47189aa84d723b54682e1bb6d05c8875fa50ce1ada914ae6e28/psycopg_binary-3.2.9-cp313-cp313-musllinux_1_2_i686.whl", hash = "sha256:5be8292d07a3ab828dc95b5ee6b69ca0a5b2e579a577b39671f4f5b47116dfd2", size = 3320576, upload-time = "2025-05-13T16:08:43.243Z" },
+    { url = "https://files.pythonhosted.org/packages/1c/cd/9b5583936515d085a1bec32b45289ceb53b80d9ce1cea0fef4c782dc41a7/psycopg_binary-3.2.9-cp313-cp313-musllinux_1_2_ppc64le.whl", hash = "sha256:778588ca9897b6c6bab39b0d3034efff4c5438f5e3bd52fda3914175498202f9", size = 3411439, upload-time = "2025-05-13T16:08:47.321Z" },
+    { url = "https://files.pythonhosted.org/packages/45/6b/6f1164ea1634c87956cdb6db759e0b8c5827f989ee3cdff0f5c70e8331f2/psycopg_binary-3.2.9-cp313-cp313-musllinux_1_2_x86_64.whl", hash = "sha256:f0d5b3af045a187aedbd7ed5fc513bd933a97aaff78e61c3745b330792c4345b", size = 3477477, upload-time = "2025-05-13T16:08:51.166Z" },
+    { url = "https://files.pythonhosted.org/packages/7b/1d/bf54cfec79377929da600c16114f0da77a5f1670f45e0c3af9fcd36879bc/psycopg_binary-3.2.9-cp313-cp313-win_amd64.whl", hash = "sha256:2290bc146a1b6a9730350f695e8b670e1d1feb8446597bed0bbe7c3c30e0abcb", size = 2928009, upload-time = "2025-05-13T16:08:53.67Z" },
+]
+[[package]]
+name = "psycopg-pool"
+version = "3.2.6"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "typing-extensions" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/cf/13/1e7850bb2c69a63267c3dbf37387d3f71a00fd0e2fa55c5db14d64ba1af4/psycopg_pool-3.2.6.tar.gz", hash = "sha256:0f92a7817719517212fbfe2fd58b8c35c1850cdd2a80d36b581ba2085d9148e5", size = 29770, upload-time = "2025-02-26T12:03:47.129Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/47/fd/4feb52a55c1a4bd748f2acaed1903ab54a723c47f6d0242780f4d97104d4/psycopg_pool-3.2.6-py3-none-any.whl", hash = "sha256:5887318a9f6af906d041a0b1dc1c60f8f0dda8340c2572b74e10907b51ed5da7", size = 38252, upload-time = "2025-02-26T12:03:45.073Z" },
+]
+[[package]]
+name = "sdnotify"
+version = "0.3.2"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/ce/d8/9fdc36b2a912bf78106de4b3f0de3891ff8f369e7a6f80be842b8b0b6bd5/sdnotify-0.3.2.tar.gz", hash = "sha256:73977fc746b36cc41184dd43c3fe81323e7b8b06c2bb0826c4f59a20c56bb9f1", size = 2459, upload-time = "2017-08-02T20:03:44.395Z" }
+[[package]]
+name = "systemd-python"
+version = "235"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/10/9e/ab4458e00367223bda2dd7ccf0849a72235ee3e29b36dce732685d9b7ad9/systemd-python-235.tar.gz", hash = "sha256:4e57f39797fd5d9e2d22b8806a252d7c0106c936039d1e71c8c6b8008e695c0a", size = 61677, upload-time = "2023-02-11T13:42:16.588Z" }
+[[package]]
+name = "systemd-socketserver"
+version = "1.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "systemd-python" },
+]
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/d8/4f/b28b7f08880120a26669b080ca74487c8c67e8b54dcb0467a8f0c9f38ed6/systemd_socketserver-1.0-py3-none-any.whl", hash = "sha256:987a8bfbf28d959e7c2966c742ad7bad482f05e121077defcf95bb38267db9a8", size = 3248, upload-time = "2020-04-26T05:26:40.661Z" },
+]
+[[package]]
+name = "typing-extensions"
+version = "4.13.2"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/f6/37/23083fcd6e35492953e8d2aaaa68b860eb422b34627b13f2ce3eb6106061/typing_extensions-4.13.2.tar.gz", hash = "sha256:e6c81219bd689f51865d9e372991c540bda33a0379d5573cddb9a3a23f7caaef", size = 106967, upload-time = "2025-04-10T14:19:05.416Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/8b/54/b1ae86c0973cc6f0210b53d508ca3641fb6d0c56823f288d108bc7ab3cc8/typing_extensions-4.13.2-py3-none-any.whl", hash = "sha256:a439e7c04b49fec3e5d3e2beaa21755cadbbdc391694e28ccdd36ca4a1408f8c", size = 45806, upload-time = "2025-04-10T14:19:03.967Z" },
+]
+[[package]]
+name = "tzdata"
+version = "2025.2"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/95/32/1a225d6164441be760d75c2c42e2780dc0873fe382da3e98a2e1e48361e5/tzdata-2025.2.tar.gz", hash = "sha256:b60a638fcc0daffadf82fe0f57e53d06bdec2f36c4df66280ae79bce6bd6f2b9", size = 196380, upload-time = "2025-03-23T13:54:43.652Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/5c/23/c7abc0ca0a1526a0774eca151daeb8de62ec457e77262b66b359c3c7679e/tzdata-2025.2-py2.py3-none-any.whl", hash = "sha256:1a403fada01ff9221ca8044d701868fa132215d84beb92242d9acd2147f667a8", size = 347839, upload-time = "2025-03-23T13:54:41.845Z" },
+]
diff --git a/hosts/surtr/kimai.nix b/hosts/surtr/kimai.nix
new file mode 100644
index 00000000..454b3d80
--- /dev/null
+++ b/hosts/surtr/kimai.nix
@@ -0,0 +1,68 @@
+{ config, ... }:
+{
+  config = {
+    security.acme.rfc2136Domains = {
+      "kimai.yggdrasil.li" = {
+        restartUnits = ["nginx.service"];
+      };
+    };
+    services.nginx = {
+      upstreams."kimai" = {
+        servers = {
+          "[2a03:4000:52:ada:6::2]:80" = {};
+        };
+        extraConfig = ''
+          keepalive 8;
+        '';
+      };
+      virtualHosts = {
+        "kimai.yggdrasil.li" = {
+          kTLS = true;
+          http3 = true;
+          forceSSL = true;
+          sslCertificate = "/run/credentials/nginx.service/kimai.yggdrasil.li.pem";
+          sslCertificateKey = "/run/credentials/nginx.service/kimai.yggdrasil.li.key.pem";
+          sslTrustedCertificate = "/run/credentials/nginx.service/kimai.yggdrasil.li.chain.pem";
+          extraConfig = ''
+            charset utf-8;
+          '';
+          locations = {
+            "/".extraConfig = ''
+              proxy_pass http://kimai;
+              proxy_http_version 1.1;
+              proxy_set_header Upgrade $http_upgrade;
+              proxy_set_header Connection "upgrade";
+              proxy_redirect off;
+              proxy_set_header Host $host;
+              proxy_set_header X-Real-IP $remote_addr;
+              proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+              proxy_set_header X-Forwarded-Host $server_name;
+              proxy_set_header X-Forwarded-Proto $scheme;
+              client_max_body_size 0;
+              proxy_request_buffering off;
+              proxy_buffering off;
+              proxy_read_timeout 300;
+            '';
+          };
+        };
+      };
+    };
+    systemd.services.nginx = {
+      serviceConfig = {
+        LoadCredential = [
+          "kimai.yggdrasil.li.key.pem:${config.security.acme.certs."kimai.yggdrasil.li".directory}/key.pem"
+          "kimai.yggdrasil.li.pem:${config.security.acme.certs."kimai.yggdrasil.li".directory}/fullchain.pem"
+          "kimai.yggdrasil.li.chain.pem:${config.security.acme.certs."kimai.yggdrasil.li".directory}/chain.pem"
+        ];
+      };
+    };
+  };
+}
diff --git a/hosts/surtr/postgresql/default.nix b/hosts/surtr/postgresql/default.nix
index 059f4088..3786ea7c 100644
--- a/hosts/surtr/postgresql/default.nix
+++ b/hosts/surtr/postgresql/default.nix
@@ -280,6 +280,64 @@ in {
          CREATE VIEW imap_user ("user", "password", quota_rule) AS SELECT mailbox.mailbox AS "user", "password", quota_rule FROM mailbox_quota_rule INNER JOIN mailbox ON mailbox_quota_rule.mailbox = mailbox.mailbox;
          COMMIT;
+          BEGIN;
+          SELECT _v.register_patch('013-internal', ARRAY['000-base'], null);
+          ALTER TABLE mailbox_mapping ADD COLUMN internal bool NOT NULL DEFAULT false;
+          CREATE TABLE mailbox_mapping_access (
+            id uuid PRIMARY KEY NOT NULL DEFAULT gen_random_uuid(),
+            mailbox_mapping uuid REFERENCES mailbox_mapping(id),
+            mailbox uuid REFERENCES mailbox(id)
+          );
+          CREATE USER "postfix-internal-policy";
+          GRANT CONNECT ON DATABASE "email" TO "postfix-internal-policy";
+          ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO "postfix-internal-policy";
+          GRANT SELECT ON ALL TABLES IN SCHEMA public TO "postfix-internal-policy";
+          COMMIT;
+          BEGIN;
+          SELECT _v.register_patch('014-relay', ARRAY['000-base'], null);
+          CREATE TABLE relay_access (
+            id uuid PRIMARY KEY NOT NULL DEFAULT gen_random_uuid(),
+            mailbox uuid REFERENCES mailbox(id),
+            domain citext NOT NULL CONSTRAINT domain_non_empty CHECK (domain <> ''')
+          );
+          COMMIT;
+          BEGIN;
+          SELECT _v.register_patch('015-relay-unique', ARRAY['000-base', '014-relay'], null);
+          CREATE UNIQUE INDEX relay_unique ON relay_access (mailbox, domain);
+          COMMIT;
+          BEGIN;
+          SELECT _v.register_patch('015-sender_bcc', null, null);
+          CREATE TABLE sender_bcc_maps (
+            id uuid PRIMARY KEY NOT NULL DEFAULT gen_random_uuid(),
+            key text NOT NULL CONSTRAINT key_not_empty CHECK (key <> '''),
+            value text NOT NULL CONSTRAINT value_not_empty CHECK (value <> '''),
+            CONSTRAINT key_unique UNIQUE (key)
+          );
+          COMMIT;
+          BEGIN;
+          SELECT _v.register_patch('016-recipient_bcc', null, null);
+          CREATE TABLE recipient_bcc_maps (
+            id uuid PRIMARY KEY NOT NULL DEFAULT gen_random_uuid(),
+            key text NOT NULL CONSTRAINT key_not_empty CHECK (key <> '''),
+            value text NOT NULL CONSTRAINT value_not_empty CHECK (value <> '''),
+            CONSTRAINT recipient_bcc_maps_key_unique UNIQUE (key)
+          );
+          COMMIT;
        ''}
        psql etebase postgres -eXf ${pkgs.writeText "etebase.sql" ''
diff --git a/hosts/surtr/tls/tsig_keys/audiobookshelf.yggdrasil.li b/hosts/surtr/tls/tsig_keys/audiobookshelf.yggdrasil.li
new file mode 100644
index 00000000..8dd610dd
--- /dev/null
+++ b/hosts/surtr/tls/tsig_keys/audiobookshelf.yggdrasil.li
@@ -0,0 +1,19 @@
+{
+        "data": "ENC[AES256_GCM,data:r9jhdTlbDnCMq1QLJutn76uz1Ml8MFs7fXYRSiVYh1gafcXXsUZBq5+qqoQI,iv:un/luttuKpCiMf53fa2SRY0ffttGiYwT8DuHCKEnnEI=,tag:SkNULZSulQmP99aB/Ec+Fw==,type:str]",
+        "sops": {
+                "age": [
+                        {
+                                "recipient": "age1rmmhetcmllq0ahl5qznlr0eya2zdxwl9h6y5wnl97d2wtyx5t99sm2u866",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBkZGJzaEsrSU4raHlTVDVB\nczRnWVlSTTRuNXU0T3F1RTkxKytXeVJRdGpFCk9WMzNBR1NaTTMzN3BGQ2JmTjVt\nRU4rSWxCYjJPYVRzLzR0OVRYQm45TUkKLS0tIDNyMnpPN2VKUFFadTkveXRYeWps\nYUNaTjRJLzdWUnREaUVIWkpFV0FTZ2MKJS0K49SdkLW4p67FlgboHy/OVvCiUA7g\nuv5b+yotkQmh5xJwr7CUvwRewqJh56mg1yhWmE8wzpgLZMIjRXcQCQ==\n-----END AGE ENCRYPTED FILE-----\n"
+                        },
+                        {
+                                "recipient": "age19a7j77w267z04zls7m28a8hj4a0g5af6ltye2d5wypg33c3l89csd4r9zq",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBQQ1h3M1lXTXVNd0d6cmtU\nU2JtUzFFblJudmEycnJONkkwME9wWm5jWVFzCnRYVEFWaVNvSW9GZ05TRWF4L2ho\nanltVytEU3ZOdHk1VHY5aGJDUkdDdmcKLS0tIEtzOFVkbmpjbWN5d0c1VEpxc1Rr\nSzJwclYxeC9TVWNaK2gwUmJSY0x1ZVUKTNivp5iS+1tzVMjMn17/ncvHcELhjQ/B\n0OVz4VpKM2wv6CjEcIMxmchqT8p8GFYVRrKUdqO2GEKOoe8ANtidWA==\n-----END AGE ENCRYPTED FILE-----\n"
+                        }
+                ],
+                "lastmodified": "2025-05-09T17:07:16Z",
+                "mac": "ENC[AES256_GCM,data:SwS+8UQnPgHORobKLu+u2pNaMdKIvR+etUed8btbbne/IX/Wpxt0qyPYXNNGGRkN3KAxTHWjRRdrKU1bkuTU3ER1c94T935ExDESKJLVjzaEF5VSWCqLyUNCMsY2ANw84UES2swK4YI4zF1CP7rD8tKFFld78IWZoeQ7XNGDMRA=,iv:neLvamISgQ5+aqW1iRj9xJoXq1weNNyy7KCFG2+WRQE=,tag:66SDO61WnKU6DVElo9CImg==,type:str]",
+                "unencrypted_suffix": "_unencrypted",
+                "version": "3.10.2"
+        }
+}
diff --git a/hosts/surtr/tls/tsig_keys/kimai.yggdrasil.li b/hosts/surtr/tls/tsig_keys/kimai.yggdrasil.li
new file mode 100644
index 00000000..b9199975
--- /dev/null
+++ b/hosts/surtr/tls/tsig_keys/kimai.yggdrasil.li
@@ -0,0 +1,19 @@
+{
+        "data": "ENC[AES256_GCM,data:ATcU3Ix7o5d/49rD5H8je1ozTjoghrloMh5DIZ5WE3oYauUAknpGfr9xq92V,iv:vy9YK5Ot7CCjMtgAGVeAUQuaSw4F5kmmZ0GJYV9kCdQ=,tag:F/MXTUM2AI1fGXa9Ewn8yQ==,type:str]",
+        "sops": {
+                "age": [
+                        {
+                                "recipient": "age1rmmhetcmllq0ahl5qznlr0eya2zdxwl9h6y5wnl97d2wtyx5t99sm2u866",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBDMEF0cUdydERYVzJCa3pW\nTlo0NUFON0d5RGJFVnVTNVg3cjNEUERQMEdFClEvQW5odlNEd2F1VTFmMWQrL2RB\ncllFZVpIVVJrNTJsSGF4UEdZMnVmQzAKLS0tIFUrQkkzRVZiOFNiTnFCT1pEYVRM\nQm8wV1JkQ3RrR1dkL0FsNkhsY2kxa1kKGnAo/6oibgXexUU31THdLu6X+pRtrkjD\nZnXGPZ2xaESDVUVEYQPVpNrjt9brZGJBI1BasrkEwHAXMbJC236yYQ==\n-----END AGE ENCRYPTED FILE-----\n"
+                        },
+                        {
+                                "recipient": "age19a7j77w267z04zls7m28a8hj4a0g5af6ltye2d5wypg33c3l89csd4r9zq",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSB3MGs1Z2ZqK2pqWHdVYTJH\naTlncHdPa3Zld0JhQW5Ccmc1SStWSnlDR0JrCmpML2d4TGdldUdoZCtaWVpPZVl0\nVm4waWVBS1orRS90ZS96N0Y2M29LY0UKLS0tIEI1Z2VVbVVxRUpOZEN4NnBRRklC\nQXloelZCb04xbmduTlVuL005TlRGMHMKfLB6zA3sj3HgDBC7VGfGVB6I1zJpt0PV\nkCV2yADgvAA2pT9HPg9IWAEpTPysOBiuE2jPNtFvylZYwTDHoumFnQ==\n-----END AGE ENCRYPTED FILE-----\n"
+                        }
+                ],
+                "lastmodified": "2025-05-24T09:42:23Z",
+                "mac": "ENC[AES256_GCM,data:0pk1LpWPmX9td/TwJFxwWp5pTDyW78UtHXMDah+V9Tmgi8hH7ONdysgjwpDwS/c4zGnMA3qtobEL286U3//CTXt2qVsiUGLsnngzs2E6yBg8oGMYlGrch4M355Fl5ZxYsc8QLA6qWcuZ4H3QW8PnoqdJixcHoYLoxG01dzh4Bc0=,iv:zchk4enI1D80BkJLji5RLm7OTk3GeF8nYHuwqBxCXIM=,tag:bgkknPMqkSidi6bDFfv6UQ==,type:str]",
+                "unencrypted_suffix": "_unencrypted",
+                "version": "3.10.2"
+        }
+}
diff --git a/hosts/surtr/vpn/default.nix b/hosts/surtr/vpn/default.nix
index 1bdcf74e..92223144 100644
--- a/hosts/surtr/vpn/default.nix
+++ b/hosts/surtr/vpn/default.nix
@@ -1,4 +1,4 @@
-{ pkgs, config, lib, ... }:
+{ flake, pkgs, config, lib, ... }:
 with lib;
@@ -22,7 +22,11 @@ in {
        "--load-credential=surtr.priv:/run/credentials/container@vpn.service/surtr.priv"
        "--network-ipvlan=ens3:upstream"
      ];
-      config = {
+      config = let hostConfig = config; in { config, pkgs, ... }: {
+        system.stateVersion = lib.mkIf hostConfig.containers."vpn".ephemeral config.system.nixos.release;
+        system.configurationRevision = mkIf (flake ? rev) flake.rev;
+        nixpkgs.pkgs = hostConfig.nixpkgs.pkgs;
        boot.kernel.sysctl = {
          "net.core.rmem_max" = 4194304;
          "net.core.wmem_max" = 4194304;
diff --git a/hosts/surtr/vpn/geri.pub b/hosts/surtr/vpn/geri.pub
index ed5de2b2..2cd9b24e 100644
--- a/hosts/surtr/vpn/geri.pub
+++ b/hosts/surtr/vpn/geri.pub
@@ -1 +1 @@
-sYuQSNZHzfegv8HRz71jnZm2nFLGeRnaGwVonhKUj2k=
+hhER05bvstOTGfiAG3IJsFkBNWCUZHokBXwaiC5d534=
diff --git a/hosts/vidhar/audiobookshelf/abs-podcast-autoplaylist-gkleen.toml b/hosts/vidhar/audiobookshelf/abs-podcast-autoplaylist-gkleen.toml
new file mode 100644
index 00000000..a5319e38
--- /dev/null
+++ b/hosts/vidhar/audiobookshelf/abs-podcast-autoplaylist-gkleen.toml
@@ -0,0 +1,19 @@
+{
+        "data": "ENC[AES256_GCM,data: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,iv:M0GbtFFl1XUeq+y9H+MiD+9z/ASB9hsd06KhpPzSwEo=,tag:vTLIIf+CeZN6DU25CSP8tw==,type:str]",
+        "sops": {
+                "age": [
+                        {
+                                "recipient": "age1rmmhetcmllq0ahl5qznlr0eya2zdxwl9h6y5wnl97d2wtyx5t99sm2u866",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSA0aE1XNUNCM1Q5V0d3R2JG\nbjJZTmdvQ21JbmtyR0ZmODFMdVBGejRoam1vCjMzMGdTb3BReDVCa2JJU0JrSHFP\ndTdicU5TRjIrTWpteDMzeGtDT0xaelkKLS0tIFhaSlFrbzFDUjRZV0lGR0cydVdZ\nY2xma0VSVXlTM1JucFJUSys4dlRvdEUK9gQNQEdKDDf1ikWzd6uTlE50WsfO/EB0\nGH2Ono6oNWbKWTyl/wRO8NzXx0nudwqq66s0oBLIdTMQOpIBBNI0XQ==\n-----END AGE ENCRYPTED FILE-----\n"
+                        },
+                        {
+                                "recipient": "age1qffdqvy9arld9zd5a5cylt0n98xhcns5shxhrhwjq5g4qa844ejselaa4l",
+                                "enc": "-----BEGIN AGE ENCRYPTED FILE-----\nYWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBiRWFqSHNlY1IvMkkwaEto\ncHZHa2p1Y25SakFkS2JYMlRFcFhnZGY1dVRFCkxSWmxvcHZMampQKzdKRHI0ZVMx\nUTFtR0pHbzFaQ0xQUFA2ZERDSWpwS0UKLS0tIFBaSGczY3VWdy9TKzRDZWZ2SElY\nbVQ4dDNhQllmVmViWGs5c3V4TmNscjQKeugevQJFAN/8JrzeAm4hm2JsQGb26BCb\n3dKYnN1kJU7oVHr1aVfXwMpELNYt9poX6WTY2h9lsdHuRlqoFXAA5Q==\n-----END AGE ENCRYPTED FILE-----\n"
+                        }
+                ],
+                "lastmodified": "2025-05-10T10:25:15Z",
+                "mac": "ENC[AES256_GCM,data:dhj7e+vF3uiR6I22PR5tdNdM8EyrWmGGTIqjj8H7IdNIsZBHzjeHlBDFOwN7z/JMO0BVwIi4DmhApg2BSPGsQZGDQZ28UTCC8TDtd1zmfGtSP8R8AFHADYdLK/desMtHg6BZTnLv5tpba34WWdflMNOQpwgWPZsIk/DkLaoXdvk=,iv:qkoAZngTz2sfWdxDs+h8Mb2IrkF8gqnQoR5iRoeKjbY=,tag:zXrkBJmPM4ItJxMnX8IDxQ==,type:str]",
+                "unencrypted_suffix": "_unencrypted",
+                "version": "3.10.2"
+        }
+}
diff --git a/hosts/vidhar/audiobookshelf/default.nix b/hosts/vidhar/audiobookshelf/default.nix
new file mode 100644
index 00000000..136bcaff
--- /dev/null
+++ b/hosts/vidhar/audiobookshelf/default.nix
@@ -0,0 +1,21 @@
+{ config, pkgs, lib, ... }:
+{
+  config = {
+    services.audiobookshelf = {
+      enable = true;
+      host = "2a03:4000:52:ada:4:1::";
+      port = 28982;
+    };
+    users.groups.audiobookshelf.members = [ "gkleen" ];
+    services.abs-podcast-autoplaylist = {
+      gkleen = {};
+    };
+    sops.secrets.${config.services.abs-podcast-autoplaylist.gkleen.configSecret} = {
+      format = "binary";
+      sopsFile = ./abs-podcast-autoplaylist-gkleen.toml;
+    };
+  };
+}
diff --git a/hosts/vidhar/default.nix b/hosts/vidhar/default.nix
index 1af9c5e0..7da17e6f 100644
--- a/hosts/vidhar/default.nix
+++ b/hosts/vidhar/default.nix
@@ -4,7 +4,7 @@ with lib;
 {
  imports = with flake.nixosModules.systemProfiles; [
-    ./zfs.nix ./network ./samba.nix ./dns ./prometheus ./borg ./pgbackrest ./postgresql.nix ./immich.nix ./paperless ./hledger
+    ./zfs.nix ./network ./samba.nix ./dns ./prometheus ./borg ./pgbackrest ./postgresql.nix ./immich.nix ./paperless ./hledger ./audiobookshelf ./kimai
    tmpfs-root zfs
    initrd-all-crypto-modules default-locale openssh rebuild-machines
    build-server
@@ -387,7 +387,7 @@ with lib;
      algorithm = "zstd";
    };
-    environment.systemPackages = with pkgs; [iotop vmtouch inetutils];
+    environment.systemPackages = with pkgs; [iotop vmtouch];
    systemd.sysusers.enable = false;
    system.stateVersion = "21.05";
diff --git a/hosts/vidhar/kimai/default.nix b/hosts/vidhar/kimai/default.nix
new file mode 100644
index 00000000..0258697b
--- /dev/null
+++ b/hosts/vidhar/kimai/default.nix
@@ -0,0 +1,89 @@
+{ flake, config, ... }:
+{
+  config = {
+    boot.enableContainers = true;
+    boot.kernel.sysctl = {
+      "net.netfilter.nf_log_all_netns" = true;
+    };
+    containers."kimai" = {
+      autoStart = true;
+      ephemeral = true;
+      bindMounts = {
+        "/var/lib/kimai" = {
+          hostPath = "/var/lib/kimai/state";
+          isReadOnly = false;
+        };
+        "/var/lib/mysql" = {
+          hostPath = "/var/lib/kimai/mysql";
+          isReadOnly = false;
+        };
+      };
+      privateNetwork = true;
+      # forwardPorts = [
+      #   { containerPort = 80;
+      #     hostPort = 28983;
+      #   }
+      # ];
+      hostAddress = "192.168.52.113";
+      localAddress = "192.168.52.114";
+      hostAddress6 = "2a03:4000:52:ada:6::1";
+      localAddress6 = "2a03:4000:52:ada:6::2";
+      config = let hostConfig = config; in { config, pkgs, lib, ... }: {
+        system.stateVersion = lib.mkIf hostConfig.containers."kimai".ephemeral config.system.nixos.release;
+        system.configurationRevision = lib.mkIf (flake ? rev) flake.rev;
+        nixpkgs.pkgs = hostConfig.nixpkgs.pkgs;
+        services.kimai.sites."kimai.yggdrasil.li" = {
+          database.socket = "/run/mysqld/mysqld.sock";
+        };
+        networking = {
+          useDHCP = false;
+          useNetworkd = true;
+          useHostResolvConf = false;
+          firewall.enable = false;
+          nftables = {
+            enable = true;
+            rulesetFile = ./ruleset.nft;
+          };
+        };
+        services.resolved.fallbackDns = [
+          "9.9.9.10#dns10.quad9.net"
+          "149.112.112.10#dns10.quad9.net"
+          "2620:fe::10#dns10.quad9.net"
+          "2620:fe::fe:10#dns10.quad9.net"
+        ];
+        systemd.network = {
+          networks.upstream = {
+            name = "eth0";
+            matchConfig = {
+              Name = "eth0";
+            };
+            linkConfig = {
+              RequiredForOnline = true;
+            };
+            networkConfig = {
+              Address = [ "192.168.52.114/32" "2a03:4000:52:ada:6::2/128" ];
+              LLMNR = false;
+              MulticastDNS = false;
+            };
+            routes = [
+              { Destination = "192.168.52.113/32"; }
+              { Destination = "2a03:4000:52:ada:6::1/128"; }
+              { Destination = "0.0.0.0/0";
+                Gateway = "192.168.52.113";
+              }
+              { Destination = "::/0";
+                Gateway = "2a03:4000:52:ada:6::1";
+              }
+            ];
+          };
+        };
+      };
+    };
+  };
+}
diff --git a/hosts/vidhar/kimai/ruleset.nft b/hosts/vidhar/kimai/ruleset.nft
new file mode 100644
index 00000000..ad4db6d5
--- /dev/null
+++ b/hosts/vidhar/kimai/ruleset.nft
@@ -0,0 +1,149 @@
+define icmp_protos = {ipv6-icmp, icmp, igmp}
+table arp filter {
+  limit lim_arp {
+    rate over 50 mbytes/second burst 50 mbytes
+  }
+  counter arp-rx {}
+  counter arp-tx {}
+  counter arp-ratelimit-rx {}
+  counter arp-ratelimit-tx {}
+  chain input {
+    type filter hook input priority filter
+    policy accept
+    limit name lim_arp counter name arp-ratelimit-rx drop
+    counter name arp-rx
+  }
+  chain output {
+    type filter hook output priority filter
+    policy accept
+    limit name lim_arp counter name arp-ratelimit-tx drop
+    counter name arp-tx
+  }
+}
+table inet filter {
+  limit lim_reject {
+    rate over 1000/second burst 1000 packets
+  }
+  limit lim_icmp {
+    rate over 50 mbytes/second burst 50 mbytes
+  }
+  counter invalid-fw {}
+  counter fw-lo {}
+  counter reject-ratelimit-fw {}
+  counter reject-fw {}
+  counter reject-tcp-fw {}
+  counter reject-icmp-fw {}
+  counter drop-fw {}
+  counter invalid-rx {}
+  counter rx-lo {}
+  counter invalid-local4-rx {}
+  counter invalid-local6-rx {}
+  counter icmp-ratelimit-rx {}
+  counter icmp-rx {}
+  counter kimai-rx {}
+  counter established-rx {}
+  counter reject-ratelimit-rx {}
+  counter reject-rx {}
+  counter reject-tcp-rx {}
+  counter reject-icmp-rx {}
+  counter drop-rx {}
+  counter tx-lo {}
+  counter icmp-ratelimit-tx {}
+  counter icmp-tx {}
+  counter kimai-tx {}
+  counter tx {}
+  chain forward {
+    type filter hook forward priority filter
+    policy drop
+    ct state invalid log level debug prefix "kimai: drop invalid forward: " counter name invalid-fw drop
+    iifname lo counter name fw-lo accept
+    limit name lim_reject log level debug prefix "kimai: drop forward: " counter name reject-ratelimit-fw drop
+    log level debug prefix "kimai: reject forward: " counter name reject-fw
+    meta l4proto tcp ct state new counter name reject-tcp-fw reject with tcp reset
+    ct state new counter name reject-icmp-fw reject
+    counter name drop-fw
+  }
+  chain input {
+    type filter hook input priority filter
+    policy drop
+    ct state invalid log level debug prefix "kimai: drop invalid input: " counter name invalid-rx drop
+    iifname lo counter name rx-lo accept
+    iif != lo ip daddr 127.0.0.1/8 counter name invalid-local4-rx reject
+    iif != lo ip6 daddr ::1/128 counter name invalid-local6-rx reject
+    meta l4proto $icmp_protos limit name lim_icmp counter name icmp-ratelimit-rx drop
+    meta l4proto $icmp_protos counter name icmp-rx accept
+    tcp dport 80 counter name kimai-rx accept
+    ct state { established, related } counter name established-rx accept
+    limit name lim_reject log level debug prefix "kimai: drop input: " counter name reject-ratelimit-rx drop
+    log level debug prefix "kimai: reject input: " counter name reject-rx
+    meta l4proto tcp ct state new counter name reject-tcp-rx reject with tcp reset
+    ct state new counter name reject-icmp-rx reject
+    counter name drop-rx
+  }
+  chain output {
+    type filter hook output priority filter
+    policy accept
+    oifname lo counter name tx-lo accept
+    meta l4proto $icmp_protos limit name lim_icmp counter name icmp-ratelimit-tx drop
+    meta l4proto $icmp_protos counter name icmp-tx accept
+    tcp sport 80 counter name kimai-tx
+    counter name tx
+  }
+}
diff --git a/hosts/vidhar/network/default.nix b/hosts/vidhar/network/default.nix
index 0643f0bb..92d755f3 100644
--- a/hosts/vidhar/network/default.nix
+++ b/hosts/vidhar/network/default.nix
@@ -103,7 +103,14 @@ with lib;
          /srv/nfs/nix-store 10.141.0.0/24(ro,async,root_squash) 2a03:4000:52:ada:1::/80(ro,async,root_squash)
        '';
      };
-      settings.nfsd.vers3 = false;
+      settings.nfsd = {
+        rdma = true;
+        vers3 = false;
+        vers4 = true;
+        "vers4.0" = false;
+        "vers4.1" = false;
+        "vers4.2" = true;
+      };
    };
    fileSystems = {
diff --git a/hosts/vidhar/network/dhcp/default.nix b/hosts/vidhar/network/dhcp/default.nix
index 4151111d..11460393 100644
--- a/hosts/vidhar/network/dhcp/default.nix
+++ b/hosts/vidhar/network/dhcp/default.nix
@@ -1,9 +1,32 @@
-{ flake, config, pkgs, lib, ... }:
+{ flake, config, pkgs, lib, sources, ... }:
 with lib;
 let
  nfsrootBaseUrl = "http://nfsroot.vidhar.yggdrasil";
+  tftpIp = "10.141.0.1";
+  nfsIp = tftpIp;
+  ipxe = pkgs.ipxe.override {
+    additionalTargets = {
+      "bin-i386-efi/ipxe.efi" = "i386-ipxe.efi";
+    };
+    additionalOptions = [
+      "NSLOOKUP_CMD"
+      "PING_CMD"
+      "CONSOLE_CMD"
+    ];
+    embedScript = pkgs.writeText "yggdrasil.ipxe" ''
+      #!ipxe
+      cpair --background 9 1
+      cpair --background 9 3
+      cpair --background 9 6
+      set user-class iPXE-yggdrasil
+      autoboot
+    '';
+  };
 in {
  config = {
    services.kea = {
@@ -25,41 +48,67 @@ in {
          };
          client-classes = [
-            { name = "eostre-ipxe";
+            { name = "ipxe-eostre";
-              test = "hexstring(pkt4.mac, ':') == '00:d8:61:79:c5:40' and option[77].hex == 'iPXE'";
+              test = "hexstring(pkt4.mac, ':') == '00:d8:61:79:c5:40' and option[77].hex == 'iPXE-yggdrasil'";
-              next-server = "10.141.0.1";
+              next-server = tftpIp;
              boot-file-name = "${nfsrootBaseUrl}/eostre.menu.ipxe";
              only-if-required = true;
            }
-            { name = "ipxe";
+            { name = "ipxe-yggdrasil";
-              test = "option[77].hex == 'iPXE'";
+              test = "option[77].hex == 'iPXE-yggdrasil'";
-              next-server = "10.141.0.1";
+              next-server = tftpIp;
              boot-file-name = "${nfsrootBaseUrl}/installer-x86_64-linux.menu.ipxe";
              only-if-required = true;
            }
+            { name = "uefi-http";
+              test = "option[client-system].hex == 0x0010";
+              option-data = [
+                { name = "vendor-class-identifier"; data = "HTTPClient"; }
+              ];
+              boot-file-name = "${nfsrootBaseUrl}/ipxe.efi";
+              only-if-required = true;
+            }
+            { name = "ipxe-uefi-64";
+              test = "option[77].hex == 'iPXE' and (substring(option[60].hex,0,20) == 'PXEClient:Arch:00007' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00008' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00009')";
+              boot-file-name = "${nfsrootBaseUrl}/ipxe.efi";
+              only-if-required = true;
+            }
+            { name = "ipxe-uefi-32";
+              test = "option[77].hex == 'iPXE' and (substring(option[60].hex,0,20) == 'PXEClient:Arch:00002' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00006')";
+              boot-file-name = "${nfsrootBaseUrl}/i386-ipxe.efi";
+              only-if-required = true;
+            }
+            { name = "ipxe-legacy";
+              test = "option[77].hex == 'iPXE' and substring(option[60].hex,0,20) == 'PXEClient:Arch:00000'";
+              boot-file-name = "${nfsrootBaseUrl}/ipxe.lkrn";
+              only-if-required = true;
+            }
            { name = "uefi-64";
              test = "substring(option[60].hex,0,20) == 'PXEClient:Arch:00007' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00008' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00009'";
-              only-if-required = true;
              option-data = [
-                { name = "tftp-server-name"; data = "10.141.0.1"; }
+                { name = "tftp-server-name"; data = tftpIp; }
              ];
              boot-file-name = "ipxe.efi";
+              only-if-required = true;
            }
            { name = "uefi-32";
              test = "substring(option[60].hex,0,20) == 'PXEClient:Arch:00002' or substring(option[60].hex,0,20) == 'PXEClient:Arch:00006'";
-              only-if-required = true;
              option-data = [
-                { name = "tftp-server-name"; data = "10.141.0.1"; }
+                { name = "tftp-server-name"; data = tftpIp; }
              ];
              boot-file-name = "i386-ipxe.efi";
+              only-if-required = true;
            }
            { name = "legacy";
              test = "substring(option[60].hex,0,20) == 'PXEClient:Arch:00000'";
-              only-if-required = true;
              option-data = [
-                { name = "tftp-server-name"; data = "10.141.0.1"; }
+                { name = "tftp-server-name"; data = tftpIp; }
              ];
-              boot-file-name = "undionly.kpxe";
+              boot-file-name = "ipxe.lkrn";
+              only-if-required = true;
            }
          ];
@@ -257,30 +306,31 @@ in {
              pkgs.symlinkJoin {
                name = "installer-${system}";
                paths = [
-                  (let
+                  (builtins.addErrorContext "while evaluating installer-${system}-nfsroot" (let
-                    installerBuild = (flake.nixosConfigurations.${"installer-${system}-nfsroot"}.extendModules {
+                    installerBuild' = (flake.nixosConfigurations.${"installer-${system}-nfsroot"}.extendModules {
                      modules = [
                        ({ ... }: {
-                          config.nfsroot.storeDevice = "10.141.0.1:nix-store";
+                          config.nfsroot.storeDevice = "${nfsIp}:nix-store";
                          config.nfsroot.registrationUrl = "${nfsrootBaseUrl}/installer-${system}/registration";
+                          config.system.nixos.label = "installer-${system}";
                        })
                      ];
-                    }).config.system.build;
+                    });
-                  in builtins.toPath (pkgs.runCommandLocal "install-${system}" {} ''
+                    installerBuild = installerBuild'.config.system.build;
+                  in builtins.toPath (pkgs.runCommandLocal "installer-${system}" {} ''
                    mkdir -p $out/installer-${system}
                    install -m 0444 -t $out/installer-${system} \
                      ${installerBuild.initialRamdisk}/initrd \
                      ${installerBuild.kernel}/bzImage \
                      ${installerBuild.netbootIpxeScript}/netboot.ipxe \
                      ${pkgs.closureInfo { rootPaths = installerBuild.storeContents; }}/registration
-                  ''))
+                    install -m 0444 ${pkgs.writeText "installer-${system}.menu.ipxe" ''
-                  (pkgs.writeTextFile {
+                      #!ipxe
-                    name = "installer-${system}.menu.ipxe";
-                    destination = "/installer-${system}.menu.ipxe";
-                    text = ''
                      :start
                      menu iPXE boot menu for installer-${system}
-                      item installer Boot installer-${system}
+                      item installer ${with installerBuild'; "${config.system.nixos.distroName} ${config.system.nixos.codeName} ${config.system.nixos.label} (Linux ${config.boot.kernelPackages.kernel.modDirVersion})"}
+                      item memtest memtest86plus
                      item netboot netboot.xyz
                      item shell iPXE shell
                      choose --timeout 0 --default installer selected || goto shell
@@ -291,29 +341,40 @@ in {
                      goto start
                      :installer
-                      chain ${nfsrootBaseUrl}/installer-${system}/netboot.ipxe
+                      chain installer-${system}/netboot.ipxe
                      goto start
                      :netboot
-                      chain --autofree ${nfsrootBaseUrl}/netboot.xyz.efi
+                      iseq ''${platform} efi && chain --autofree netboot.xyz.efi || chain --autofree netboot.xyz.lkrn
                      goto start
-                    '';
-                  })
+                      :memtest
+                      iseq ''${platform} efi && chain --autofree memtest.efi || chain --autofree memtest.bin
+                      goto start
+                    ''} $out/installer-${system}.menu.ipxe
+                  '')))
                ];
              }) ["x86_64-linux"]
            ) ++ [
-              (pkgs.linkFarm "netbootxyz-efi" [
+              (pkgs.runCommandLocal "utils" {} ''
-                { name = "netboot.xyz.efi"; path = pkgs.netbootxyz-efi; }
+                mkdir $out
-              ])
+                install -m 0444 -t $out \
-              (let
+                  ${ipxe}/{ipxe.efi,i386-ipxe.efi,ipxe.lkrn} \
-                 eostreBuild = (flake.nixosConfigurations.eostre.extendModules {
+                  ${pkgs.memtest86plus}/{memtest.efi,memtest.bin}
+                install -m 0444 ${sources.netbootxyz-efi.src} $out/netboot.xyz.efi
+                install -m 0444 ${sources.netbootxyz-lkrn.src} $out/netboot.xyz.lkrn
+              '')
+              (builtins.addErrorContext "while evaluating eostre" (let
+                 eostreBuild' = (flake.nixosConfigurations.eostre.extendModules {
                   modules = [
                     ({ ... }: {
-                       config.nfsroot.storeDevice = "10.141.0.1:nix-store";
+                       config.nfsroot.storeDevice = "${nfsIp}:nix-store";
                       config.nfsroot.registrationUrl = "${nfsrootBaseUrl}/eostre/registration";
+                       config.system.nixos.label = "eostre";
                     })
                   ];
-                 }).config.system.build;
+                 });
+                 eostreBuild = eostreBuild'.config.system.build;
               in builtins.toPath (pkgs.runCommandLocal "eostre" {} ''
                    mkdir -p $out/eostre
                    install -m 0444 -t $out/eostre \
@@ -321,35 +382,39 @@ in {
                      ${eostreBuild.kernel}/bzImage \
                      ${eostreBuild.netbootIpxeScript}/netboot.ipxe \
                      ${pkgs.closureInfo { rootPaths = eostreBuild.storeContents; }}/registration
-                  ''))
+                    install -m 0444 ${pkgs.writeText "eostre.menu.ipxe" ''
-              (pkgs.writeTextFile {
+                      #!ipxe
-                name = "eostre.menu.ipxe";
-                destination = "/eostre.menu.ipxe";
-                text = ''
-                  set menu-timeout 5000
-                  :start
+                      set menu-timeout 5000
-                  menu iPXE boot menu for eostre
-                  item eostre Boot eostre
-                  item netboot netboot.xyz
-                  item shell iPXE shell
-                  choose --timeout ''${menu-timeout} --default eostre selected || goto shell
-                  goto ''${selected}
-                  :shell
+                      :start
-                  shell
+                      menu iPXE boot menu for eostre
-                  set menu-timeout 0
+                      item eostre ${with eostreBuild'; "${config.system.nixos.distroName} ${config.system.nixos.codeName} ${config.system.nixos.label} (Linux ${config.boot.kernelPackages.kernel.modDirVersion})"}
-                  goto start
+                      item memtest memtest86plus
+                      item netboot netboot.xyz
+                      item shell iPXE shell
+                      choose --timeout ''${menu-timeout} --default eostre selected || goto shell
+                      set menu-timeout 0
+                      goto ''${selected}
-                  :eostre
+                      :shell
-                  chain ${nfsrootBaseUrl}/eostre/netboot.ipxe
+                      set menu-timeout 0
-                  goto start
+                      shell
+                      goto start
+                      :eostre
+                      chain eostre/netboot.ipxe
+                      goto start
+                      :netboot
+                      iseq ''${platform} efi && chain --autofree netboot.xyz.efi || chain --autofree netboot.xyz.lkrn
+                      goto start
-                  :netboot
+                      :memtest
-                  chain --autofree ${nfsrootBaseUrl}/netboot.xyz.efi
+                      iseq ''${platform} efi && chain --autofree memtest.efi || chain --autofree memtest.bin
-                  goto start
+                      goto start
-                '';
+                    ''} $out/eostre.menu.ipxe
-              })
+                  '')))
            ];
        };
      };
@@ -360,20 +425,12 @@ in {
      after = [ "network.target" ];
      wantedBy = [ "multi-user.target" ];
      serviceConfig.ExecStart = let
-        ipxe = pkgs.ipxe.override {
-          additionalTargets = {
-            "bin-i386-efi/ipxe.efi" = "i386-ipxe.efi";
-          };
-          additionalOptions = [
-            "NSLOOKUP_CMD"
-          ];
-        };
        tftpRoot = pkgs.runCommandLocal "netboot" {} ''
          mkdir -p $out
          install -m 0444 -t $out \
-            ${ipxe}/ipxe.efi ${ipxe}/i386-ipxe.efi ${ipxe}/undionly.kpxe
+            ${ipxe}/{ipxe.efi,i386-ipxe.efi,ipxe.lkrn}
        '';
-      in "${pkgs.atftp}/sbin/atftpd --daemon --no-fork --bind-address=10.141.0.1 ${tftpRoot}";
+      in "${pkgs.atftp}/sbin/atftpd --daemon --no-fork --bind-address=${tftpIp} ${tftpRoot}";
    };
  };
 }
diff --git a/hosts/vidhar/network/ruleset.nft b/hosts/vidhar/network/ruleset.nft
index 1edae167..7897fb3d 100644
--- a/hosts/vidhar/network/ruleset.nft
+++ b/hosts/vidhar/network/ruleset.nft
@@ -60,6 +60,7 @@ table inet filter {
  counter fw-lo {}
  counter fw-lan {}
  counter fw-gpon {}
+  counter fw-kimai {}
  counter fw-cups {}
@@ -94,6 +95,8 @@ table inet filter {
  counter immich-rx {}
  counter paperless-rx {}
  counter hledger-rx {}
+  counter audiobookshelf-rx {}
+  counter kimai-rx {}
  counter established-rx {}
@@ -125,6 +128,8 @@ table inet filter {
  counter immich-tx {}
  counter paperless-tx {}
  counter hledger-tx {}
+  counter audiobookshelf-tx {}
+  counter kimai-tx {}
  counter tx {}
@@ -148,8 +153,13 @@ table inet filter {
    oifname { lan, gpon, bifrost } meta l4proto $icmp_protos jump forward_icmp_accept
    iifname lan oifname { gpon, bifrost } counter name fw-lan accept
+    iifname ve-kimai oifname gpon counter name fw-kimai accept
    iifname gpon oifname lan ct state { established, related } counter name fw-gpon accept
+    iifname gpon oifname ve-kimai ct state { established, related } counter name fw-kimai accept
+    iifname bifrost oifname ve-kimai tcp dport 80 ip6 saddr $bifrost_surtr ip6 daddr 2a03:4000:52:ada:6::2 counter name kimai-rx accept
+    iifname ve-kimai oifname bifrost tcp sport 80 ip6 saddr 2a03:4000:52:ada:6::2 ip6 daddr $bifrost_surtr counter name kimai-tx accept
    limit name lim_reject log level debug prefix "drop forward: " counter name reject-ratelimit-fw drop
@@ -203,6 +213,7 @@ table inet filter {
    iifname bifrost tcp dport 2283 ip6 saddr $bifrost_surtr counter name immich-rx accept
    iifname bifrost tcp dport 28981 ip6 saddr $bifrost_surtr counter name paperless-rx accept
    iifname bifrost tcp dport 5000 ip6 saddr $bifrost_surtr counter name hledger-rx accept
+    iifname bifrost tcp dport 28982 ip6 saddr $bifrost_surtr counter name audiobookshelf-rx accept
    ct state { established, related } counter name established-rx accept
@@ -254,6 +265,7 @@ table inet filter {
    iifname bifrost tcp sport 2283 ip6 daddr $bifrost_surtr counter name immich-tx accept
    iifname bifrost tcp sport 28981 ip6 daddr $bifrost_surtr counter name paperless-tx accept
    iifname bifrost tcp sport 5000 ip6 daddr $bifrost_surtr counter name hledger-tx accept
+    iifname bifrost tcp sport 28982 ip6 daddr $bifrost_surtr counter name audiobookshelf-tx accept
    counter name tx
@@ -262,7 +274,7 @@ table inet filter {
 table inet nat {
  counter gpon-nat {}
-  # counter container-nat {}
+  counter kimai-nat {}
  chain postrouting {
    type nat hook postrouting priority srcnat
@@ -270,7 +282,7 @@ table inet nat {
    meta nfproto ipv4 oifname gpon counter name gpon-nat masquerade
-    # iifname ve-* oifname gpon counter name container-nat masquerade
+    iifname ve-kimai oifname gpon counter name kimai-nat masquerade
  }
 }
diff --git a/hosts/vidhar/paperless/default.nix b/hosts/vidhar/paperless/default.nix
index 34cd18c4..dd02da38 100644
--- a/hosts/vidhar/paperless/default.nix
+++ b/hosts/vidhar/paperless/default.nix
@@ -4,7 +4,7 @@
  config = {
    services.paperless = {
      enable = true;
-      address = "[2a03:4000:52:ada:4:1::]";
+      address = "2a03:4000:52:ada:4:1::";
      passwordFile = config.sops.secrets."paperless-rootpw".path;
      settings = {
        PAPERLESS_OCR_LANGUAGE = "deu+eng";
diff --git a/hosts/vidhar/prometheus/default.nix b/hosts/vidhar/prometheus/default.nix
index d368ad52..094f9f7a 100644
--- a/hosts/vidhar/prometheus/default.nix
+++ b/hosts/vidhar/prometheus/default.nix
@@ -26,7 +26,8 @@ in {
      enable = true;
      extraFlags = [
-        "--enable-feature=remote-write-receiver"
+        "--web.enable-remote-write-receiver"
+        "--storage.tsdb.retention.size=35GB"
      ];
      exporters = {
diff --git a/installer-profiles/cd-dvd.nix b/installer-profiles/cd-dvd.nix
index 45291bad..ac12d885 100644
--- a/installer-profiles/cd-dvd.nix
+++ b/installer-profiles/cd-dvd.nix
@@ -1,7 +1,13 @@
-{ flakeInputs, ... }:
+{ flakeInputs, lib, ... }:
 {
  imports = [
    "${flakeInputs.nixpkgs.outPath}/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix"
  ];
+  config = {
+    isoImage.squashfsCompression = "zstd -Xcompression-level 9";
+    system.installer.channel.enable = false;
+    boot.loader.grub.memtest86.enable = lib.mkForce false;
+  };
 }
diff --git a/installer-profiles/netboot.nix b/installer-profiles/netboot.nix
index 28e8084d..6e39ebfb 100644
--- a/installer-profiles/netboot.nix
+++ b/installer-profiles/netboot.nix
@@ -4,4 +4,9 @@
  imports = [
    "${flakeInputs.nixpkgs.outPath}/nixos/modules/installer/netboot/netboot-minimal.nix"
  ];
+  config = {
+    netboot.squashfsCompression = "zstd -Xcompression-level 9";
+    system.installer.channel.enable = false;
+  };
 }
diff --git a/installer-profiles/nfsroot.nix b/installer-profiles/nfsroot.nix
index 6bd875b4..a8f6def6 100644
--- a/installer-profiles/nfsroot.nix
+++ b/installer-profiles/nfsroot.nix
@@ -8,4 +8,6 @@
    "${flakeInputs.nixpkgs.outPath}/nixos/modules/profiles/base.nix"
    "${flakeInputs.nixpkgs.outPath}/nixos/modules/profiles/installation-device.nix"
  ];
+  config.system.installer.channel.enable = false;
 }
diff --git a/installer/default.nix b/installer/default.nix
index ec47832a..26f38572 100644
--- a/installer/default.nix
+++ b/installer/default.nix
@@ -8,7 +8,7 @@ with lib;
  ];
  config = {
-    boot.initrd.availableKernelModules = [ "e1000e" ];
+    boot.initrd.kernelModules = [ "e1000e" "virtio_net" ];
    hardware.cpu.amd.updateMicrocode = config.hardware.enableRedistributableFirmware;
@@ -47,7 +47,7 @@ with lib;
    services.xserver.videoDrivers = [ "nvidia" ];
    systemd.services.nvidia-control-devices = {
      wantedBy = [ "multi-user.target" ];
-      serviceConfig.ExecStart = "${pkgs.linuxPackages.nvidia_x11.bin}/bin/nvidia-smi";
+      serviceConfig.ExecStart = lib.getExe' pkgs.linuxPackages.nvidia_x11.bin "nvidia-smi";
    };
    nixpkgs.externalConfig.allowUnfree = true;
diff --git a/lib/pythonSet.nix b/lib/pythonSet.nix
new file mode 100644
index 00000000..9dfb25ff
--- /dev/null
+++ b/lib/pythonSet.nix
@@ -0,0 +1,28 @@
+{ uv2nix, pyproject-nix, pyproject-build-systems, ... }:
+{ pkgs, python, overlay, lib ? pkgs.lib }:
+(pkgs.callPackage pyproject-nix.build.packages {
+  inherit python;
+}).overrideScope
+  (
+    lib.composeManyExtensions [
+      pyproject-build-systems.overlays.default
+      overlay
+      (final: prev: {
+        sdnotify = (prev.sdnotify.override {
+          sourcePreference = "sdist";
+        }).overrideAttrs (oldAttrs: {
+          nativeBuildInputs = (oldAttrs.nativeBuildInputs or []) ++ [
+            (final.resolveBuildSystem { setuptools = []; })
+          ];
+        });
+        systemd-python = (prev.systemd-python.override {
+          sourcePreference = "sdist";
+        }).overrideAttrs (oldAttrs: {
+          nativeBuildInputs = (oldAttrs.nativeBuildInputs or []) ++ [
+            pkgs.pkg-config pkgs.systemd.dev
+            (final.resolveBuildSystem { setuptools = []; })
+          ];
+        });
+      })
+    ]
+  )
diff --git a/modules/abs-podcast-autoplaylist.nix b/modules/abs-podcast-autoplaylist.nix
new file mode 100644
index 00000000..f526a434
--- /dev/null
+++ b/modules/abs-podcast-autoplaylist.nix
@@ -0,0 +1,55 @@
+{ config, pkgs, lib, utils, ... }:
+let
+  cfg = config.services.abs-podcast-autoplaylist;
+  enabledAttrs = lib.filterAttrs (_name: { enable, ... }: enable) cfg;
+in {
+  options = {
+    services.abs-podcast-autoplaylist = lib.mkOption {
+      default = {};
+      type = lib.types.attrsOf (lib.types.submodule ({ name, ... }: {
+        options = {
+          enable = lib.mkEnableOption "this instance of abs-podcast-autoplaylist" // {
+            default = true;
+          };
+          cron = lib.mkOption {
+            type = lib.types.str;
+            default = "*-*-* *:00/30:00";
+          };
+          configSecret = lib.mkOption {
+            type = lib.types.str;
+            default = "abs-podcast-autoplaylist-${name}.toml";
+          };
+        };
+      }));
+    };
+  };
+  config = lib.mkIf (enabledAttrs != {}) {
+    systemd.services = {
+      "abs-podcast-autoplaylist@" = {
+        serviceConfig = {
+          WorkingDirectory = "%d";
+          DynamicUser = true;
+          ProtectHome = true;
+          PrivateTmp = true;
+          PrivateDevices = true;
+          Type = "oneshot";
+          ExecStart = "${lib.getExe pkgs.abs-podcast-autoplaylist} %I.toml";
+          TimeoutSec = "5min";
+        };
+      };
+    } // lib.mapAttrs' (name: { configSecret, ... }: lib.nameValuePair "abs-podcast-autoplaylist@${utils.escapeSystemdPath name}" {
+      overrideStrategy = "asDropin";
+      serviceConfig = {
+        LoadCredential = "${name}.toml:${config.sops.secrets.${configSecret}.path}";
+      };
+    }) enabledAttrs;
+    systemd.timers = lib.mapAttrs' (name: { cron, ... }: lib.nameValuePair "abs-podcast-autoplaylist@${utils.escapeSystemdPath name}" {
+      wantedBy = [ "timers.target" ];
+      timerConfig.OnCalendar = cron;
+    }) enabledAttrs;
+  };
+}
diff --git a/modules/i18n.nix b/modules/i18n.nix
new file mode 100644
index 00000000..f84e8b64
--- /dev/null
+++ b/modules/i18n.nix
@@ -0,0 +1,156 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  aggregatedLocales =
+    (builtins.map
+      (l: (lib.replaceStrings [ "utf8" "utf-8" "UTF8" ] [ "UTF-8" "UTF-8" "UTF-8" ] l) + "/UTF-8")
+      (
+        [ config.i18n.defaultLocale ]
+        ++ (lib.optionals (builtins.isList config.i18n.extraLocales) config.i18n.extraLocales)
+        ++ (lib.attrValues (lib.filterAttrs (n: _v: lib.hasPrefix "LC_" n) config.i18n.extraLocaleSettings))
+      )
+    )
+    ++ (lib.optional (builtins.isString config.i18n.extraLocales) config.i18n.extraLocales);
+in
+{
+  disabledModules = [ "config/i18n.nix" ];
+  ###### interface
+  options = {
+    i18n = {
+      glibcLocales = lib.mkOption {
+        type = lib.types.path;
+        default = pkgs.glibcLocales.override {
+          allLocales = lib.any (x: x == "all") config.i18n.supportedLocales;
+          locales = config.i18n.supportedLocales;
+        };
+        defaultText = lib.literalExpression ''
+          pkgs.glibcLocales.override {
+            allLocales = lib.any (x: x == "all") config.i18n.supportedLocales;
+            locales = config.i18n.supportedLocales;
+          }
+        '';
+        example = lib.literalExpression "pkgs.glibcLocales";
+        description = ''
+          Customized pkg.glibcLocales package.
+          Changing this option can disable handling of i18n.defaultLocale
+          and supportedLocale.
+        '';
+      };
+      defaultLocale = lib.mkOption {
+        type = lib.types.str;
+        default = "en_US.UTF-8";
+        example = "nl_NL.UTF-8";
+        description = ''
+          The default locale.  It determines the language for program
+          messages, the format for dates and times, sort order, and so on.
+          It also determines the character set, such as UTF-8.
+        '';
+      };
+      extraLocales = lib.mkOption {
+        type = lib.types.either (lib.types.listOf lib.types.str) (lib.types.enum [ "all" ]);
+        default = [ ];
+        example = [ "nl_NL.UTF-8" ];
+        description = ''
+          Additional locales that the system should support, besides the ones
+          configured with {option}`i18n.defaultLocale` and
+          {option}`i18n.extraLocaleSettings`.
+          Set this to `"all"` to install all available locales.
+        '';
+      };
+      extraLocaleSettings = lib.mkOption {
+        type = lib.types.attrsOf lib.types.str;
+        default = { };
+        example = {
+          LC_MESSAGES = "en_US.UTF-8";
+          LC_TIME = "de_DE.UTF-8";
+        };
+        description = ''
+          A set of additional system-wide locale settings other than
+          `LANG` which can be configured with
+          {option}`i18n.defaultLocale`.
+        '';
+      };
+      supportedLocales = lib.mkOption {
+        type = lib.types.listOf lib.types.str;
+        visible = false;
+        default = lib.unique (
+          [
+            "C.UTF-8/UTF-8"
+            "en_US.UTF-8/UTF-8"
+          ]
+          ++ aggregatedLocales
+        );
+        example = [
+          "en_US.UTF-8/UTF-8"
+          "nl_NL.UTF-8/UTF-8"
+          "nl_NL/ISO-8859-1"
+        ];
+        description = ''
+          List of locales that the system should support.  The value
+          `"all"` means that all locales supported by
+          Glibc will be installed.  A full list of supported locales
+          can be found at <https://sourceware.org/git/?p=glibc.git;a=blob;f=localedata/SUPPORTED>.
+        '';
+      };
+    };
+  };
+  ###### implementation
+  config = {
+    warnings =
+      lib.optional
+        (
+          !(
+            (lib.subtractLists config.i18n.supportedLocales aggregatedLocales) == [ ]
+            || lib.any (x: x == "all") config.i18n.supportedLocales
+          )
+        )
+        ''
+          `i18n.supportedLocales` is deprecated in favor of `i18n.extraLocales`,
+          and it seems you are using `i18n.supportedLocales` and forgot to
+          include some locales specified in `i18n.defaultLocale`,
+          `i18n.extraLocales` or `i18n.extraLocaleSettings`.
+          If you're trying to install additional locales not specified in
+          `i18n.defaultLocale` or `i18n.extraLocaleSettings`, consider adding
+          only those locales to `i18n.extraLocales`.
+        '';
+    environment.systemPackages =
+      # We increase the priority a little, so that plain glibc in systemPackages can't win.
+      lib.optional (config.i18n.supportedLocales != [ ]) (lib.setPrio (-1) config.i18n.glibcLocales);
+    environment.sessionVariables = {
+      LANG = config.i18n.defaultLocale;
+      LOCALE_ARCHIVE = "/run/current-system/sw/lib/locale/locale-archive";
+    } // config.i18n.extraLocaleSettings;
+    systemd.globalEnvironment = lib.mkIf (config.i18n.supportedLocales != [ ]) {
+      LOCALE_ARCHIVE = "${config.i18n.glibcLocales}/lib/locale/locale-archive";
+    };
+    # ‘/etc/locale.conf’ is used by systemd.
+    environment.etc."locale.conf".source = pkgs.writeText "locale.conf" ''
+      LANG=${config.i18n.defaultLocale}
+      ${lib.concatStringsSep "\n" (
+        lib.mapAttrsToList (n: v: "${n}=${v}") config.i18n.extraLocaleSettings
+      )}
+    '';
+  };
+}
diff --git a/modules/installer.nix b/modules/installer.nix
new file mode 100644
index 00000000..3e5c6d5b
--- /dev/null
+++ b/modules/installer.nix
@@ -0,0 +1,56 @@
+{ flake, config, lib, pkgs, ... }:
+let
+  cfg = config.installer.links;
+  installerOutPath = {
+    "cd-dvd" = _: installerBuild: "${installerBuild.config.system.build.isoImage}/iso";
+    "netboot" = {system, variant}: installerBuild: pkgs.runCommandLocal "${system}-${variant}" {} ''
+      mkdir $out
+      install -m 0444 -t $out \
+        ${installerBuild.config.system.build.netbootRamdisk}/initrd \
+        ${installerBuild.config.system.build.kernel}/${config.system.boot.loader.kernelFile} \
+        ${installerBuild.config.system.build.netbootIpxeScript}/netboot.ipxe \
+        ${pkgs.ipxe.override {
+          additionalTargets = {
+            "bin-i386-efi/ipxe.efi" = "i386-ipxe.efi";
+          };
+          additionalOptions = [
+            "NSLOOKUP_CMD"
+            "PING_CMD"
+            "CONSOLE_CMD"
+          ];
+          embedScript = pkgs.writeText "netboot.ipxe" ''
+            #!ipxe
+            chain netboot.ipxe
+          '';
+        }}/{ipxe.efi,i386-ipxe.efi,ipxe.lkrn}
+    '';
+  };
+in {
+  options = {
+    installer.links = lib.mkOption {
+      type = lib.types.listOf (lib.types.submodule {
+        options = {
+          system = lib.mkOption {
+            type = lib.types.str;
+          };
+          variant = lib.mkOption {
+            type = lib.types.str;
+          };
+        };
+      });
+      default = [];
+    };
+  };
+  config = lib.mkIf (cfg != []) {
+    systemd.tmpfiles.rules = map (installer'@{system, variant}:
+      let
+        installer = "${system}-${variant}";
+        installerBuild = builtins.addErrorContext "while evaluating installer-${installer}" flake.nixosConfigurations.${"installer-${installer}"};
+      in "L+ /run/installer-${installer} - - - - ${installerOutPath.${variant} installer' installerBuild}"
+    ) cfg;
+  };
+}
diff --git a/modules/pgbackrest.nix b/modules/pgbackrest.nix
index 81c74a8e..550e970b 100644
--- a/modules/pgbackrest.nix
+++ b/modules/pgbackrest.nix
@@ -43,6 +43,8 @@ let
  loglevelType = types.enum ["off" "error" "warn" "info" "detail" "debug" "trace"];
  inherit (utils.systemdUtils.unitOptions) unitOption;
 in {
+  disabledModules = ["services/backup/pgbackrest.nix"];
  options = {
    services.pgbackrest = {
      enable = mkEnableOption "pgBackRest";
diff --git a/modules/postsrsd.nix b/modules/postsrsd.nix
new file mode 100644
index 00000000..205e669d
--- /dev/null
+++ b/modules/postsrsd.nix
@@ -0,0 +1,157 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.services.postsrsd;
+  runtimeDirectoryName = "postsrsd";
+  runtimeDirectory = "/run/${runtimeDirectoryName}";
+  # TODO: follow RFC 42, but we need a libconfuse format first:
+  #       https://github.com/NixOS/nixpkgs/issues/401565
+  # Arrays in `libconfuse` look like this: {"Life", "Universe", "Everything"}
+  # See https://www.nongnu.org/confuse/tutorial-html/ar01s03.html.
+  #
+  # Note: We're using `builtins.toJSON` to escape strings, but JSON strings
+  # don't have exactly the same semantics as libconfuse strings. For example,
+  # "${F}" gets treated as an env var reference, see above issue for details.
+  libconfuseDomains = "{ " + lib.concatMapStringsSep ", " builtins.toJSON cfg.domains + " }";
+  configFile = pkgs.writeText "postsrsd.conf" ''
+    secrets-file = "''${CREDENTIALS_DIRECTORY}/secrets-file"
+    domains = ${libconfuseDomains}
+    separator = "${cfg.separator}"
+    # Disable postsrsd's jailing in favor of confinement with systemd.
+    unprivileged-user = ""
+    chroot-dir = ""
+    ${cfg.extraConfig}
+  '';
+in
+{
+  imports =
+    map
+      (
+        name:
+        lib.mkRemovedOptionModule [ "services" "postsrsd" name ] ''
+          `postsrsd` was upgraded to `>= 2.0.0`, with some different behaviors and configuration settings:
+            - NixOS Release Notes: https://nixos.org/manual/nixos/unstable/release-notes#sec-nixpkgs-release-25.05-incompatibilities
+            - NixOS Options Reference: https://nixos.org/manual/nixos/unstable/options#opt-services.postsrsd.enable
+            - Migration instructions: https://github.com/roehling/postsrsd/blob/2.0.10/README.rst#migrating-from-version-1x
+            - Postfix Setup: https://github.com/roehling/postsrsd/blob/2.0.10/README.rst#postfix-setup
+        ''
+      )
+      [
+        "domain"
+        "forwardPort"
+        "reversePort"
+        "timeout"
+        "excludeDomains"
+      ];
+  disabledModules = [ "services/mail/postsrsd.nix" ];
+  options = {
+    services.postsrsd = {
+      enable = lib.mkOption {
+        type = lib.types.bool;
+        default = false;
+        description = "Whether to enable the postsrsd SRS server for Postfix.";
+      };
+      secretsFile = lib.mkOption {
+        type = lib.types.path;
+        default = "/var/lib/postsrsd/postsrsd.secret";
+        description = "Secret keys used for signing and verification";
+      };
+      domains = lib.mkOption {
+        type = lib.types.listOf lib.types.str;
+        description = "Domain names for rewrite";
+        default = [ config.networking.hostName ];
+        defaultText = lib.literalExpression "[ config.networking.hostName ]";
+      };
+      separator = lib.mkOption {
+        type = lib.types.enum [
+          "-"
+          "="
+          "+"
+        ];
+        default = "=";
+        description = "First separator character in generated addresses";
+      };
+      user = lib.mkOption {
+        type = lib.types.str;
+        default = "postsrsd";
+        description = "User for the daemon";
+      };
+      group = lib.mkOption {
+        type = lib.types.str;
+        default = "postsrsd";
+        description = "Group for the daemon";
+      };
+      extraConfig = lib.mkOption {
+        type = lib.types.lines;
+        default = "";
+      };
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    users.users = lib.optionalAttrs (cfg.user == "postsrsd") {
+      postsrsd = {
+        group = cfg.group;
+        uid = config.ids.uids.postsrsd;
+      };
+    };
+    users.groups = lib.optionalAttrs (cfg.group == "postsrsd") {
+      postsrsd.gid = config.ids.gids.postsrsd;
+    };
+    systemd.services.postsrsd-generate-secrets = {
+      path = [ pkgs.coreutils ];
+      script = ''
+        if [ -e "${cfg.secretsFile}" ]; then
+          echo "Secrets file exists. Nothing to do!"
+        else
+          echo "WARNING: secrets file not found, autogenerating!"
+          DIR="$(dirname "${cfg.secretsFile}")"
+          install -m 750 -o ${cfg.user} -g ${cfg.group} -d "$DIR"
+          install -m 600 -o ${cfg.user} -g ${cfg.group} <(dd if=/dev/random bs=18 count=1 | base64) "${cfg.secretsFile}"
+        fi
+      '';
+      serviceConfig = {
+        Type = "oneshot";
+      };
+    };
+    systemd.services.postsrsd = {
+      description = "PostSRSd SRS rewriting server";
+      after = [
+        "network.target"
+        "postsrsd-generate-secrets.service"
+      ];
+      before = [ "postfix.service" ];
+      wantedBy = [ "multi-user.target" ];
+      requires = [ "postsrsd-generate-secrets.service" ];
+      confinement.enable = true;
+      serviceConfig = {
+        ExecStart = "${lib.getExe pkgs.postsrsd} -C ${configFile}";
+        User = cfg.user;
+        Group = cfg.group;
+        PermissionsStartOnly = true;
+        RuntimeDirectory = runtimeDirectoryName;
+        LoadCredential = "secrets-file:${cfg.secretsFile}";
+      };
+    };
+  };
+}
diff --git a/modules/systemd-run0.nix b/modules/systemd-run0.nix
new file mode 100644
index 00000000..8575ec7c
--- /dev/null
+++ b/modules/systemd-run0.nix
@@ -0,0 +1,4 @@
+{ config, lib, ... }:
+{
+  config.security.pam.services.systemd-run0 = lib.mkIf (lib.versionAtLeast config.systemd.package.version "256") {};
+}
diff --git a/modules/uucp.nix b/modules/uucp.nix
deleted file mode 100644
index 10f7297b..00000000
--- a/modules/uucp.nix
+++ /dev/null
@@ -1,373 +0,0 @@
-{ flake, config, lib, pkgs, ... }:
-with lib;
-let
-  portSpec = name: node: concatStringsSep "\n" (map (port: ''
-    port ${name}.${port}
-    type pipe
-    protocol ${node.protocols}
-    reliable true
-    command ${pkgs.openssh}/bin/ssh -x -o batchmode=yes ${name}.${port}
-  '') node.hostnames);
-  sysSpec = name: node: ''
-    system ${name}
-    time any
-    chat-seven-bit false
-    chat . ""
-    protocol ${node.protocols}
-    command-path ${concatStringsSep " " cfg.commandPath}
-    commands ${concatStringsSep " " node.commands}
-    ${concatStringsSep "\nalternate\n" (map (port: ''
-      port ${name}.${port}
-    '') node.hostnames)}
-  '';
-  sshConfig = name: node: concatStringsSep "\n" (map (port: ''
-    Host ${name}.${port}
-      Hostname ${port}
-      IdentitiesOnly Yes
-      IdentityFile ${cfg.sshKeyDir}/${name}
-  '') node.hostnames);
-  sshKeyGen = name: node: ''
-    if [[ ! -e ${cfg.sshKeyDir}/${name} ]]; then
-      ${pkgs.openssh}/bin/ssh-keygen ${escapeShellArgs node.generateKey} -f ${cfg.sshKeyDir}/${name}
-    fi
-  '';
-  restrictKey = key: ''
-    restrict,command="${chat}" ${key}
-  '';
-  chat = pkgs.writeScript "chat" ''
-    #!${pkgs.stdenv.shell}
-    echo .
-    exec ${config.security.wrapperDir}/uucico
-  '';
-  nodeCfg = {
-    options = {
-      commands = mkOption {
-        type = types.listOf types.str;
-        default = cfg.defaultCommands;
-        defaultText = literalExpression "config.services.uucp.defaultCommands";
-        description = "Commands to allow for this remote";
-      };
-      protocols = mkOption {
-        type = types.separatedString "";
-              default = cfg.defaultProtocols;
-        defaultText = literalExpression "config.services.uucp.defaultProtocols";
-              description = "UUCP protocols to use for this remote";
-      };
-      publicKeys = mkOption {
-        type = types.listOf types.str;
-        default = [];
-        description = "SSH client public keys for this node";
-      };
-      generateKey = mkOption {
-        type = types.listOf types.str;
-        default = [ "-t" "ed25519" "-N" "" ];
-        description = "Arguments to pass to `ssh-keygen` to generate a keypair for communication with this host";
-      };
-      hostnames = mkOption {
-        type = types.listOf types.str;
-        default = [];
-        description = "Hostnames to try in order when connecting";
-      };
-    };
-  };
-  cfg = config.services.uucp;
-in {
-  options = {
-    services.uucp = {
-      enable = mkOption {
-        type = types.bool;
-        default = false;
-        description = ''
-          If enabled we set up an account accesible via uucp over ssh
-        '';
-      };
-      nodeName = mkOption {
-        type = types.str;
-        default = "nixos";
-        description = "uucp node name";
-      };
-      sshUser = mkOption { 
-        type = types.attrs;
-        default = {};
-        description = "Overrides for the local uucp linux-user";
-      };
-      extraSSHConfig = mkOption {
-        type = types.str;
-        default = "";
-        description = "Extra SSH config";
-      };
-      remoteNodes = mkOption {
-        type = types.attrsOf (types.submodule nodeCfg);
-        default = {};
-        description = ''
-          Ports to set up
-          Names will probably need to be configured in sshConfig
-        '';
-      };
-      commandPath = mkOption {
-        type = types.listOf types.path;
-        default = [ "${pkgs.rmail}/bin" ];
-        defaultText = literalExpression ''[ "''${pkgs.rmail}/bin" ]'';
-        description = ''
-          Command search path for all systems
-        '';
-      };
-      defaultCommands = mkOption {
-        type = types.listOf types.str;
-        default = ["rmail"];
-        description = "Commands allowed for remotes without explicit override";
-      };
-      defaultProtocols = mkOption {
-        type = types.separatedString "";
-              default = "te";
-              description = "UUCP protocol to use within ssh unless overriden";
-      };
-      incomingProtocols = mkOption {
-        type = types.separatedString "";
-        default = "te";
-        description = "UUCP protocols to use when called";
-      };
-      homeDir = mkOption {
-        type = types.path;
-        default = "/var/uucp";
-        description = "Home of the uucp user";
-      };
-      sshKeyDir = mkOption {
-        type = types.path;
-        default = "${cfg.homeDir}/.ssh/";
-        defaultText = literalExpression ''''${config.services.uucp.homeDir}/.ssh/'';
-        description = "Directory to store ssh keypairs";
-      };
-      spoolDir = mkOption {
-        type = types.path;
-        default = "/var/spool/uucp";
-        description = "Spool directory";
-      };
-      lockDir = mkOption {
-        type = types.path;
-        default = "/var/spool/uucp";
-        description = "Lock directory";
-      };
-      pubDir = mkOption {
-        type = types.path;
-        default = "/var/spool/uucppublic";
-        description = "Public directory";
-      };
-      logFile = mkOption {
-        type = types.path;
-        default = "/var/log/uucp";
-        description = "Log file";
-      };
-      statFile = mkOption {
-        type = types.path;
-        default = "/var/log/uucp.stat";
-        description = "Statistics file";
-      };
-      debugFile = mkOption {
-        type = types.path;
-        default = "/var/log/uucp.debug";
-        description = "Debug file";
-      };
-      interval = mkOption {
-        type = types.nullOr types.str;
-        default = "1h";
-        description = ''
-          Specification of when to run `uucico' in format used by systemd timers
-          The default is to do so every hour
-        '';
-      };
-      nmDispatch = mkOption {
-        type = types.bool;
-        default = config.networking.networkmanager.enable;
-        defaultText = literalExpression "config.networking.networkmanager.enable";
-        description = ''
-          Install a network-manager dispatcher script to automatically
-          call all remotes when networking is available
-        '';
-      };
-      extraConfig = mkOption {
-        type = types.lines;
-        default = ''
-          run-uuxqt 1
-        '';
-        description = "Extra configuration to append verbatim to `/etc/uucp/config'";
-      };
-      extraSys = mkOption {
-        type = types.lines;
-        default = ''
-          protocol-parameter g packet-size 4096
-        '';
-              description = "Extra configuration to prepend verbatim to `/etc/uucp/sys`";
-      };
-    };
-  };
-  config = mkIf cfg.enable {
-    environment.etc."uucp/config" = {
-      text = ''
-        hostname ${cfg.nodeName}
-      
-        spool ${cfg.spoolDir}
-        lockdir ${cfg.lockDir}
-        pubdir ${cfg.pubDir}
-        logfile ${cfg.logFile}
-        statfile ${cfg.statFile}
-        debugfile ${cfg.debugFile}
-        
-        ${cfg.extraConfig}
-      '';
-    };
-    users.groups."uucp" = {};
-    users.users."uucp" = {
-      name = "uucp";
-      group = "uucp";
-      isSystemUser = true;
-      isNormalUser = false;
-      createHome = true;
-      home = cfg.homeDir;
-      description = "User for uucp over ssh";
-      useDefaultShell = true;
-      openssh.authorizedKeys.keys = map restrictKey (concatLists (mapAttrsToList (name: node: node.publicKeys) cfg.remoteNodes));
-    } // cfg.sshUser;
-    system.activationScripts."uucp-sshconfig" = ''
-      mkdir -p ${config.users.users."uucp".home}/.ssh
-      chown ${config.users.users."uucp".name}:${config.users.users."uucp".group} ${config.users.users."uucp".home}/.ssh
-      chmod 700 ${config.users.users."uucp".home}/.ssh
-      ln -fs ${builtins.toFile "ssh-config" ''
-        ${concatStringsSep "\n" (mapAttrsToList sshConfig cfg.remoteNodes)}
-      
-        ${cfg.extraSSHConfig}
-      ''} ${config.users.users."uucp".home}/.ssh/config
-      mkdir -p ${cfg.sshKeyDir}
-      chown ${config.users.users."uucp".name}:${config.users.users."uucp".group} ${cfg.sshKeyDir}
-      chmod 700 ${cfg.sshKeyDir}
-      ${concatStringsSep "\n" (mapAttrsToList sshKeyGen cfg.remoteNodes)}
-    '';
-    system.activationScripts."uucp-logs" = ''
-      touch ${cfg.logFile}
-      chown ${config.users.users."uucp".name}:${config.users.users."uucp".group} ${cfg.logFile}
-      chmod 644 ${cfg.logFile}
-      touch ${cfg.statFile}
-      chown ${config.users.users."uucp".name}:${config.users.users."uucp".group} ${cfg.statFile}
-      chmod 644 ${cfg.statFile}
-      touch ${cfg.debugFile}
-      chown ${config.users.users."uucp".name}:${config.users.users."uucp".group} ${cfg.debugFile}
-      chmod 644 ${cfg.debugFile}
-    '';
-    environment.etc."uucp/port" = {
-      text = ''
-        port ssh
-        type stdin
-        protocol ${cfg.incomingProtocols}
-      '' + concatStringsSep "\n" (mapAttrsToList portSpec cfg.remoteNodes);
-    };
-    environment.etc."uucp/sys" = {
-      text = cfg.extraSys + "\n" + concatStringsSep "\n" (mapAttrsToList sysSpec cfg.remoteNodes);
-    };
-    security.wrappers = let
-      wrapper = p: {
-        name = p;
-        value = {
-          source = "${pkgs.uucp}/bin/${p}";
-          owner = "root";
-          group = "root";
-          setuid = true;
-          setgid = false;
-        };
-      };
-    in listToAttrs (map wrapper ["uucico" "cu" "uucp" "uuname" "uustat" "uux" "uuxqt"]);
-    nixpkgs.overlays = [(self: super: {
-      rmail = super.writeShellScriptBin "rmail" ''
-          # Dummy UUCP rmail command for postfix/qmail systems
-          IFS=" " read junk from junk junk junk junk junk junk junk relay
-          case "$from" in
-            *[@!]*) ;;
-            *) from="$from@$relay";;
-          esac
-          exec ${config.security.wrapperDir}/sendmail -G -i -f "$from" -- "$@"
-        '';
-    })];
-    environment.systemPackages = with pkgs; [
-      uucp
-    ];
-    systemd.services."uucico@" = {
-      serviceConfig = {
-        User = "uucp";
-        Type = "oneshot";
-        ExecStart = "${config.security.wrapperDir}/uucico -D -S %i";
-      };
-    };
-    systemd.timers."uucico@" = {
-      timerConfig.OnActiveSec = cfg.interval;
-      timerConfig.OnUnitActiveSec = cfg.interval;
-    };
-    systemd.targets."multi-user" = {
-      wants = mapAttrsToList (name: node: "uucico@${name}.timer") cfg.remoteNodes;
-    };
-    systemd.kill-user.enable = true;
-    systemd.targets."sleep" = {
-      after = [ "kill-user@uucp.service" ];
-      wants = [ "kill-user@uucp.service" ];
-    };
-    
-    networking.networkmanager.dispatcherScripts = optional cfg.nmDispatch {
-      type = "basic";
-      source = pkgs.writeScript "callRemotes.sh" ''
-        #!${pkgs.stdenv.shell}
-        shopt -s extglob
-        case "''${2}" in
-          (?(vpn-)up)
-            ${concatStringsSep "\n    " (mapAttrsToList (name: node: "${pkgs.systemd}/bin/systemctl start uucico@${name}.service") cfg.remoteNodes)}
-            ;;
-        esac
-      '';
-    };
-  };
-}
diff --git a/nvfetcher.toml b/nvfetcher.toml
index ecaebba0..72c0d99d 100644
--- a/nvfetcher.toml
+++ b/nvfetcher.toml
@@ -115,3 +115,11 @@ fetch.git = "https://github.com/emersion/mako"
 [swayosd]
 src.git = "https://github.com/ErikReider/SwayOSD"
 fetch.git = "https://github.com/ErikReider/SwayOSD"
+[netbootxyz-efi]
+src.github = "netbootxyz/netboot.xyz"
+fetch.url = "https://github.com/netbootxyz/netboot.xyz/releases/download/$ver/netboot.xyz.efi"
+[netbootxyz-lkrn]
+src.github = "netbootxyz/netboot.xyz"
+fetch.url = "https://github.com/netbootxyz/netboot.xyz/releases/download/$ver/netboot.xyz.lkrn"
diff --git a/overlays/abs-podcast-autoplaylist/.envrc b/overlays/abs-podcast-autoplaylist/.envrc
new file mode 100644
index 00000000..2c909235
--- /dev/null
+++ b/overlays/abs-podcast-autoplaylist/.envrc
@@ -0,0 +1,4 @@
+use flake
+[[ -d ".venv" ]] || ( uv venv && uv sync )
+. .venv/bin/activate
diff --git a/overlays/abs-podcast-autoplaylist/.gitignore b/overlays/abs-podcast-autoplaylist/.gitignore
new file mode 100644
index 00000000..4ccfae70
--- /dev/null
+++ b/overlays/abs-podcast-autoplaylist/.gitignore
@@ -0,0 +1,2 @@
+.venv
+**/__pycache__
diff --git a/overlays/abs-podcast-autoplaylist/abs_podcast_autoplaylist/__init__.py b/overlays/abs-podcast-autoplaylist/abs_podcast_autoplaylist/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/overlays/abs-podcast-autoplaylist/abs_podcast_autoplaylist/__init__.py
diff --git a/overlays/abs-podcast-autoplaylist/abs_podcast_autoplaylist/__main__.py b/overlays/abs-podcast-autoplaylist/abs_podcast_autoplaylist/__main__.py
new file mode 100644
index 00000000..fd739805
--- /dev/null
+++ b/overlays/abs-podcast-autoplaylist/abs_podcast_autoplaylist/__main__.py
@@ -0,0 +1,107 @@
+import click
+from pathlib import Path
+import tomllib
+import requests
+from urllib.parse import urljoin
+from operator import itemgetter
+import re
+from frozendict import frozendict
+class BearerAuth(requests.auth.AuthBase):
+    def __init__(self, token):
+        self.token = token
+    def __call__(self, r):
+        r.headers["authorization"] = "Bearer " + self.token
+        return r
+class ABSSession(requests.Session):
+    def __init__(self, config):
+        super().__init__()
+        self.base_url = config['instance']
+        self.auth = BearerAuth(config['api_token'])
+    def request(self, method, url, *args, **kwargs):
+        joined_url = urljoin(self.base_url, url)
+        return super().request(method, joined_url, *args, **kwargs)
+@click.command()
+@click.argument('config_file', type=click.Path(dir_okay=False, path_type=Path))
+def main(config_file: Path):
+    with config_file.open('rb') as fh:
+        config = tomllib.load(fh)
+    with ABSSession(config) as s:
+        libraries = s.get('/api/libraries').json()['libraries']
+        playlists = s.get('/api/playlists').json()['playlists']
+        for library_config in config['libraries']:
+            [library] = filter(lambda l: l['name'] == library_config['name'], libraries)
+            filtered_playlists = list(filter(lambda p: p['name'] == library_config['playlist'] and p['libraryId'] == library['id'], playlists))
+            def get_playlist():
+                playlist = None
+                if filtered_playlists:
+                    [playlist] = filtered_playlists
+                if not playlist:
+                    playlist = s.post('/api/playlists', json={
+                        'libraryId': library['id'],
+                        'name': library_config['playlist'],
+                    }).json()
+                return playlist
+            podcasts = dict()
+            items = s.get('/api/libraries/{}/items'.format(library['id'])).json()['results']
+            for item in items:
+                item = s.get('/api/items/{}'.format(item['id']), json={'expanded': True}).json()
+                episodes = list()
+                for episode in sorted(item['media']['episodes'], key = itemgetter('publishedAt')):
+                    progress = s.get('/api/me/progress/{}/{}'.format(episode['libraryItemId'], episode['id']))
+                    if progress.ok and progress.json()["isFinished"]:
+                        continue
+                    episodes.append(episode)
+                podcasts[item['media']['metadata']['title']] = list(map(lambda x: frozendict({ 'libraryItemId': x['libraryItemId'], 'episodeId': x['id']}), episodes))
+            def lookup_podcast(expr):
+                expr = re.compile(expr, flags=re.I)
+                matches = filter(lambda t: expr.search(t), podcasts.keys())
+                match list(matches):
+                    case [x]:
+                        return (x,)
+                    case _:
+                        raise RuntimeError("No unique match for ‘{}’".format(expr))
+            priorities = [
+                [
+                    k
+                    for item in (section if type(section) is list else [section])
+                    for k in lookup_podcast(item)
+                ]
+                for section in library_config['priorities']
+            ]
+            playlist_items = list()
+            for section in priorities:
+                while any(map(lambda item: item in podcasts, section)):
+                    for item in section:
+                        if not item in podcasts:
+                            continue
+                        if not podcasts[item]:
+                            del podcasts[item]
+                            continue
+                        playlist_items.append(podcasts[item].pop(0))
+            playlist = get_playlist()
+            current_playlist_items = map(lambda item: frozendict({ k: v for k, v in item.items() if k in {'libraryItemId', 'episodeId'}}), playlist['items'])
+            if current_playlist_items == playlist_items:
+                continue
+            to_remove = set(current_playlist_items) - set(playlist_items)
+            if to_remove:
+                s.post('/api/playlists/{}/batch/remove'.format(playlist['id']), json={'items': list(to_remove)}).raise_for_status()
+                playlist = get_playlist()
+            to_add = set(playlist_items) - set(current_playlist_items)
+            if to_add:
+                s.post('/api/playlists/{}/batch/add'.format(playlist['id']), json={'items': list(to_add)}).raise_for_status()
+            r = s.patch('/api/playlists/{}'.format(playlist['id']), json={'items': playlist_items}).raise_for_status()
diff --git a/overlays/abs-podcast-autoplaylist/default.nix b/overlays/abs-podcast-autoplaylist/default.nix
new file mode 100644
index 00000000..843f1b65
--- /dev/null
+++ b/overlays/abs-podcast-autoplaylist/default.nix
@@ -0,0 +1,19 @@
+{ prev, final, flake, flakeInputs, ... }:
+let
+  workspace = flakeInputs.uv2nix.lib.workspace.loadWorkspace { workspaceRoot = ./.; };
+  pythonSet = flake.lib.pythonSet {
+    pkgs = final;
+    python = final.python312;
+    overlay = workspace.mkPyprojectOverlay {
+      sourcePreference = "wheel";
+    };
+  };
+  virtualEnv = pythonSet.mkVirtualEnv "abs-podcast-autoplaylist-env" workspace.deps.default;
+in {
+  abs-podcast-autoplaylist = virtualEnv.overrideAttrs (oldAttrs: {
+    meta = (oldAttrs.meta or {}) // {
+      mainProgram = "abs-podcast-autoplaylist";
+    };
+  });
+}
diff --git a/overlays/abs-podcast-autoplaylist/pyproject.toml b/overlays/abs-podcast-autoplaylist/pyproject.toml
new file mode 100644
index 00000000..f52a84bc
--- /dev/null
+++ b/overlays/abs-podcast-autoplaylist/pyproject.toml
@@ -0,0 +1,16 @@
+[project]
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diff --git a/overlays/abs-podcast-autoplaylist/uv.lock b/overlays/abs-podcast-autoplaylist/uv.lock
new file mode 100644
index 00000000..17de5f0e
--- /dev/null
+++ b/overlays/abs-podcast-autoplaylist/uv.lock
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+    { url = "https://files.pythonhosted.org/packages/6b/11/cc635220681e93a0183390e26485430ca2c7b5f9d33b15c74c2861cb8091/urllib3-2.4.0-py3-none-any.whl", hash = "sha256:4e16665048960a0900c702d4a66415956a584919c03361cac9f1df5c5dd7e813", size = 128680, upload_time = "2025-04-10T15:23:37.377Z" },
+]
diff --git a/overlays/cake-prometheus-exporter/default.nix b/overlays/cake-prometheus-exporter/default.nix
index 3d0acc2d..69a5008c 100644
--- a/overlays/cake-prometheus-exporter/default.nix
+++ b/overlays/cake-prometheus-exporter/default.nix
@@ -1,19 +1,18 @@
 { final, prev, ... }:
 let
  inpPython = final.python310.override {};
+  python = inpPython.withPackages (ps: with ps; []);
 in {
  cake-prometheus-exporter = prev.stdenv.mkDerivation rec {
    pname = "cake-prometheus-exporter";
    version = "0.0.0";
-    src = ./cake-prometheus-exporter.py;
+    src = prev.replaceVars ./cake-prometheus-exporter.py { inherit python; };
-    phases = [ "buildPhase" "checkPhase" "installPhase" ];
+    phases = [ "unpackPhase" "checkPhase" "installPhase" ];
-    python = inpPython.withPackages (ps: with ps; []);
+    unpackPhase = ''
+      cp $src cake-prometheus-exporter
-    buildPhase = ''
-      substituteAll $src cake-prometheus-exporter
    '';
    doCheck = true;
diff --git a/overlays/deploy-rs.nix b/overlays/deploy-rs.nix
index 0bf1c3b2..678c6f5f 100644
--- a/overlays/deploy-rs.nix
+++ b/overlays/deploy-rs.nix
@@ -2,13 +2,15 @@
  flakeInputs.deploy-rs.overlays.default
  (final: prev: {
    deploy-rs = prev.deploy-rs // {
-      deploy-rs = prev.deploy-rs.deploy-rs.overrideAttrs (oldAttrs: {
+      deploy-rs = prev.symlinkJoin {
-        nativeBuildInputs = (oldAttrs.nativeBuildInputs or []) ++ [final.makeWrapper];
+        name = "${prev.deploy-rs.deploy-rs.name}-wrapped";
-        preFixup = ''
+        paths = [ prev.deploy-rs.deploy-rs ];
+        buildInputs = [ prev.makeWrapper ];
+        postBuild = ''
          wrapProgram $out/bin/deploy \
            --prefix PATH : ${prev.lib.makeBinPath (with final; [ nix-monitored ])}
        '';
-      });
+      };
    };
  })
  final prev
diff --git a/overlays/inwx-cdnskey/default.nix b/overlays/inwx-cdnskey/default.nix
index cd564f24..e1bee0f2 100644
--- a/overlays/inwx-cdnskey/default.nix
+++ b/overlays/inwx-cdnskey/default.nix
@@ -2,17 +2,16 @@
 let
  packageOverrides = final.callPackage ./python-packages.nix {};
  inpPython = final.python39.override { inherit packageOverrides; };
+  python = inpPython.withPackages (ps: with ps; [pyxdg inwx-domrobot configparser dnspython]);
 in {
  inwx-cdnskey = prev.stdenv.mkDerivation rec {
    name = "inwx-cdnskey";
-    src = ./inwx-cdnskey.py;
+    src = prev.replaceVars ./inwx-cdnskey.py { inherit python; };
-    phases = [ "buildPhase" "checkPhase" "installPhase" ];
+    phases = [ "unpackPhase" "checkPhase" "installPhase" ];
-    python = inpPython.withPackages (ps: with ps; [pyxdg inwx-domrobot configparser dnspython]);
+    unpackPhase = ''
+      cp $src inwx-cdnskey
-    buildPhase = ''
-      substituteAll $src inwx-cdnskey
    '';
    doCheck = true;
diff --git a/overlays/lesspipe.nix b/overlays/lesspipe.nix
index 3258eb70..b791f6e5 100644
--- a/overlays/lesspipe.nix
+++ b/overlays/lesspipe.nix
@@ -17,7 +17,7 @@
    preFixup = ''
      wrapProgram $out/bin/lesspipe.sh \
-        --prefix PATH : ${final.python3.pkgs.pygments}/bin:${final.file}/bin:${final.ncurses}/bin
+        --prefix PATH : ${prev.lib.makeBinPath (with final; [ file ncurses binutils ])}
    '';
  };
 }
diff --git a/overlays/nftables-prometheus-exporter/default.nix b/overlays/nftables-prometheus-exporter/default.nix
index aab0c8e9..48f668c4 100644
--- a/overlays/nftables-prometheus-exporter/default.nix
+++ b/overlays/nftables-prometheus-exporter/default.nix
@@ -1,17 +1,16 @@
 { final, prev, ... }:
 let
  inpPython = final.python310;
+  python = inpPython.withPackages (ps: with ps; []);
 in {
  nftables-prometheus-exporter = prev.stdenv.mkDerivation rec {
    name = "nftables-prometheus-exporter";
-    src = ./nftables-prometheus-exporter.py;
+    src = prev.replaceVars ./nftables-prometheus-exporter.py { inherit python; };
-    phases = [ "buildPhase" "checkPhase" "installPhase" ];
+    phases = [ "unpackPhase" "checkPhase" "installPhase" ];
-    python = inpPython.withPackages (ps: with ps; []);
+    unpackPhase = ''
+      cp $src nftables-prometheus-exporter
-    buildPhase = ''
-      substituteAll $src nftables-prometheus-exporter
    '';
    doCheck = true;
diff --git a/overlays/persistent-nix-shell/default.nix b/overlays/persistent-nix-shell/default.nix
index c36b9e86..6067cade 100644
--- a/overlays/persistent-nix-shell/default.nix
+++ b/overlays/persistent-nix-shell/default.nix
@@ -5,10 +5,9 @@
    phases = [ "buildPhase" "installPhase" ];
-    inherit (final) zsh;
    buildPhase = ''
-      substituteAll $src persistent-nix-shell
+      substitute $src persistent-nix-shell \
+        --subst-var-by zsh ${final.zsh}
    '';
    installPhase = ''
diff --git a/overlays/postsrsd.nix b/overlays/postsrsd.nix
new file mode 100644
index 00000000..cb1ccf30
--- /dev/null
+++ b/overlays/postsrsd.nix
@@ -0,0 +1,11 @@
+{ final, prev, ... }:
+{
+  postsrsd = prev.postsrsd.overrideAttrs (oldAttrs: {
+    cmakeFlags = (oldAttrs.cmakeFlags or []) ++ [
+      "-DWITH_MILTER=ON"
+    ];
+    buildInputs = (oldAttrs.buildInputs or []) ++ [
+      final.libmilter
+    ];
+  });
+}
diff --git a/overlays/uucp/default.nix b/overlays/uucp/default.nix
deleted file mode 100644
index 4189dbcc..00000000
--- a/overlays/uucp/default.nix
+++ /dev/null
@@ -1,9 +0,0 @@
-{ final, prev, ... }: {
-  uucp = prev.uucp.overrideAttrs (oldAttrs: {
-    configureFlags = (oldAttrs.configureFlags or []) ++ ["--with-newconfigdir=/etc/uucp"];
-    patches = (oldAttrs.patches or []) ++ [
-      ./mailprogram.patch
-    ];
-    NIX_CFLAGS_COMPILE = "${oldAttrs.NIX_CFLAGS_COMPILE or ""} -Wno-error=incompatible-pointer-types";
-  });
-}
diff --git a/overlays/uucp/mailprogram.patch b/overlays/uucp/mailprogram.patch
deleted file mode 100644
index 89ac8f31..00000000
--- a/overlays/uucp/mailprogram.patch
+++ /dev/null
@@ -1,16 +0,0 @@
- policy.h | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-diff --git a/policy.h b/policy.h
-index 5afe34b..8e92c8b 100644
--- a/policy.h
-+++ b/policy.h
-@@ -240,7 +240,7 @@
-    the sendmail choice below.  Otherwise, select one of the other
-    choices as appropriate.  */
- #if 1
-#define MAIL_PROGRAM "/usr/lib/sendmail -t"
-+#define MAIL_PROGRAM "${config.security.wrapperDir}/sendmail -t"
- /* #define MAIL_PROGRAM "/usr/sbin/sendmail -t" */
- #define MAIL_PROGRAM_TO_BODY 1
- #define MAIL_PROGRAM_SUBJECT_BODY 1
diff --git a/overlays/waybar-systemd-inhibit/.envrc b/overlays/waybar-systemd-inhibit/.envrc
new file mode 100644
index 00000000..2c909235
--- /dev/null
+++ b/overlays/waybar-systemd-inhibit/.envrc
@@ -0,0 +1,4 @@
+use flake
+[[ -d ".venv" ]] || ( uv venv && uv sync )
+. .venv/bin/activate
diff --git a/overlays/waybar-systemd-inhibit/.gitignore b/overlays/waybar-systemd-inhibit/.gitignore
new file mode 100644
index 00000000..4ccfae70
--- /dev/null
+++ b/overlays/waybar-systemd-inhibit/.gitignore
@@ -0,0 +1,2 @@
+.venv
+**/__pycache__
diff --git a/overlays/waybar-systemd-inhibit/default.nix b/overlays/waybar-systemd-inhibit/default.nix
new file mode 100644
index 00000000..ae6b8c75
--- /dev/null
+++ b/overlays/waybar-systemd-inhibit/default.nix
@@ -0,0 +1,20 @@
+{ prev, final, flake, flakeInputs, ... }:
+let
+  workspace = flakeInputs.uv2nix.lib.workspace.loadWorkspace { workspaceRoot = ./.; };
+  pythonSet = flake.lib.pythonSet {
+    pkgs = final;
+    python = final.python312;
+    overlay = workspace.mkPyprojectOverlay {
+      sourcePreference = "wheel";
+    };
+  };
+  virtualEnv = pythonSet.mkVirtualEnv "waybar-systemd-inhibit-env" workspace.deps.default;
+in {
+  waybar-systemd-inhibit = virtualEnv.overrideAttrs (oldAttrs: {
+    meta = (oldAttrs.meta or {}) // {
+      mainProgram = "waybar-systemd-inhibit";
+    };
+    nativeBuildInputs = (oldAttrs.nativeBuildInputs or []) ++ [ final.gobject-introspection final.wrapGAppsHook ];
+  });
+}
diff --git a/overlays/waybar-systemd-inhibit/pyproject.toml b/overlays/waybar-systemd-inhibit/pyproject.toml
new file mode 100644
index 00000000..6c6240b8
--- /dev/null
+++ b/overlays/waybar-systemd-inhibit/pyproject.toml
@@ -0,0 +1,17 @@
+[project]
+name = "waybar-systemd-inhibit"
+version = "0.1.0"
+requires-python = ">=3.12"
+dependencies = [
+    "asyncclick>=8.1.8",
+    "asyncio>=3.4.3",
+    "dbus-next>=0.2.3",
+]
+[project.scripts]
+waybar-systemd-inhibit = "waybar_systemd_inhibit.__main__:main"
+waybar-systemd-inhibit-toggle = "waybar_systemd_inhibit.__main__:toggle"
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
diff --git a/overlays/waybar-systemd-inhibit/uv.lock b/overlays/waybar-systemd-inhibit/uv.lock
new file mode 100644
index 00000000..4e10d145
--- /dev/null
+++ b/overlays/waybar-systemd-inhibit/uv.lock
@@ -0,0 +1,102 @@
+version = 1
+revision = 2
+requires-python = ">=3.12"
+[[package]]
+name = "anyio"
+version = "4.9.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "idna" },
+    { name = "sniffio" },
+    { name = "typing-extensions", marker = "python_full_version < '3.13'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/95/7d/4c1bd541d4dffa1b52bd83fb8527089e097a106fc90b467a7313b105f840/anyio-4.9.0.tar.gz", hash = "sha256:673c0c244e15788651a4ff38710fea9675823028a6f08a5eda409e0c9840a028", size = 190949, upload-time = "2025-03-17T00:02:54.77Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/a1/ee/48ca1a7c89ffec8b6a0c5d02b89c305671d5ffd8d3c94acf8b8c408575bb/anyio-4.9.0-py3-none-any.whl", hash = "sha256:9f76d541cad6e36af7beb62e978876f3b41e3e04f2c1fbf0884604c0a9c4d93c", size = 100916, upload-time = "2025-03-17T00:02:52.713Z" },
+]
+[[package]]
+name = "asyncclick"
+version = "8.1.8"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "anyio" },
+    { name = "colorama", marker = "sys_platform == 'win32'" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/cb/b5/e1e5fdf1c1bb7e6e614987c120a98d9324bf8edfaa5f5cd16a6235c9d91b/asyncclick-8.1.8.tar.gz", hash = "sha256:0f0eb0f280e04919d67cf71b9fcdfb4db2d9ff7203669c40284485c149578e4c", size = 232900, upload-time = "2025-01-06T09:46:52.694Z" }
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+    { url = "https://files.pythonhosted.org/packages/92/c4/ae9e9d25522c6dc96ff167903880a0fe94d7bd31ed999198ee5017d977ed/asyncclick-8.1.8.0-py3-none-any.whl", hash = "sha256:be146a2d8075d4fe372ff4e877f23c8b5af269d16705c1948123b9415f6fd678", size = 99115, upload-time = "2025-01-06T09:50:52.72Z" },
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+wheels = [
+    { url = "https://files.pythonhosted.org/packages/22/74/07679c5b9f98a7cb0fc147b1ef1cc1853bc07a4eb9cb5731e24732c5f773/asyncio-3.4.3-py3-none-any.whl", hash = "sha256:c4d18b22701821de07bd6aea8b53d21449ec0ec5680645e5317062ea21817d2d", size = 101767, upload-time = "2015-03-10T14:05:10.959Z" },
+]
+[[package]]
+name = "colorama"
+version = "0.4.6"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/d8/53/6f443c9a4a8358a93a6792e2acffb9d9d5cb0a5cfd8802644b7b1c9a02e4/colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44", size = 27697, upload-time = "2022-10-25T02:36:22.414Z" }
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+[[package]]
+name = "dbus-next"
+version = "0.2.3"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/ce/45/6a40fbe886d60a8c26f480e7d12535502b5ba123814b3b9a0b002ebca198/dbus_next-0.2.3.tar.gz", hash = "sha256:f4eae26909332ada528c0a3549dda8d4f088f9b365153952a408e28023a626a5", size = 71112, upload-time = "2021-07-25T22:11:28.398Z" }
+wheels = [
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+]
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+name = "idna"
+version = "3.10"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/f1/70/7703c29685631f5a7590aa73f1f1d3fa9a380e654b86af429e0934a32f7d/idna-3.10.tar.gz", hash = "sha256:12f65c9b470abda6dc35cf8e63cc574b1c52b11df2c86030af0ac09b01b13ea9", size = 190490, upload-time = "2024-09-15T18:07:39.745Z" }
+wheels = [
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+]
+[[package]]
+name = "sniffio"
+version = "1.3.1"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/a2/87/a6771e1546d97e7e041b6ae58d80074f81b7d5121207425c964ddf5cfdbd/sniffio-1.3.1.tar.gz", hash = "sha256:f4324edc670a0f49750a81b895f35c3adb843cca46f0530f79fc1babb23789dc", size = 20372, upload-time = "2024-02-25T23:20:04.057Z" }
+wheels = [
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+]
+[[package]]
+name = "typing-extensions"
+version = "4.13.2"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/f6/37/23083fcd6e35492953e8d2aaaa68b860eb422b34627b13f2ce3eb6106061/typing_extensions-4.13.2.tar.gz", hash = "sha256:e6c81219bd689f51865d9e372991c540bda33a0379d5573cddb9a3a23f7caaef", size = 106967, upload-time = "2025-04-10T14:19:05.416Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/8b/54/b1ae86c0973cc6f0210b53d508ca3641fb6d0c56823f288d108bc7ab3cc8/typing_extensions-4.13.2-py3-none-any.whl", hash = "sha256:a439e7c04b49fec3e5d3e2beaa21755cadbbdc391694e28ccdd36ca4a1408f8c", size = 45806, upload-time = "2025-04-10T14:19:03.967Z" },
+]
+[[package]]
+name = "waybar-systemd-inhibit"
+version = "0.1.0"
+source = { editable = "." }
+dependencies = [
+    { name = "asyncclick" },
+    { name = "asyncio" },
+    { name = "dbus-next" },
+]
+[package.metadata]
+requires-dist = [
+    { name = "asyncclick", specifier = ">=8.1.8" },
+    { name = "asyncio", specifier = ">=3.4.3" },
+    { name = "dbus-next", specifier = ">=0.2.3" },
+]
diff --git a/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__init__.py b/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__init__.py
diff --git a/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__main__.py b/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__main__.py
new file mode 100644
index 00000000..35cc7fd1
--- /dev/null
+++ b/overlays/waybar-systemd-inhibit/waybar_systemd_inhibit/__main__.py
@@ -0,0 +1,117 @@
+import asyncclick as click
+from dbus_next.aio import MessageBus
+from dbus_next import BusType, Message, PropertyAccess
+import asyncio
+from functools import update_wrapper
+from dbus_next.service import ServiceInterface, method, dbus_property
+from dbus_next import Variant, DBusError
+import os
+import json
+class BlockInterface(ServiceInterface):
+    def __init__(self, system_bus, logind):
+        super().__init__('li.yggdrasil.WaybarSystemdInhibit')
+        self.system_bus = system_bus
+        self.logind = logind
+        self.fd = None
+    def Release(self):
+        if not self.fd:
+            return
+        os.close(self.fd)
+        self.fd = None
+        self.emit_properties_changed({'IsAcquired': False})
+    async def Acquire(self):
+        if self.fd:
+            return
+        res = await self.system_bus.call(Message(
+            destination='org.freedesktop.login1',
+            path='/org/freedesktop/login1',
+            interface='org.freedesktop.login1.Manager',
+            member='Inhibit',
+            signature='ssss',
+            body=[
+                "handle-lid-switch",
+                "waybar-systemd-inhibit",
+                "User request",
+                "block",
+            ],
+        ))
+        self.fd = res.unix_fds[res.body[0]]
+        self.emit_properties_changed({'IsAcquired': True})
+    @method()
+    async def ToggleBlock(self):
+        if self.fd:
+            self.Release()
+        else:
+            await self.Acquire()
+    @dbus_property(access=PropertyAccess.READ)
+    def IsAcquired(self) -> 'b':
+        return self.fd is not None
+@click.command()
+async def main():
+    system_bus = await MessageBus(bus_type=BusType.SYSTEM, negotiate_unix_fd=True).connect()
+    session_bus = await MessageBus(bus_type=BusType.SESSION).connect()
+    introspection = await system_bus.introspect('org.freedesktop.login1', '/org/freedesktop/login1')
+    obj = system_bus.get_proxy_object('org.freedesktop.login1', '/org/freedesktop/login1', introspection)
+    logind = obj.get_interface('org.freedesktop.login1.Manager')
+    properties = obj.get_interface('org.freedesktop.DBus.Properties')
+    def is_blocked_logind(what: str):
+        return "handle-lid-switch" in what.split(':')
+    def print_state(is_blocked: bool, is_acquired: bool = False):
+        icon = "&#xf0322;" if is_blocked else "&#xf06e7;"
+        text = f"<span font=\"Symbols Nerd Font Mono\">{icon}</span>"
+        if is_acquired:
+            text = f"<span color=\"#f28a21\">{text}</span>"
+        elif is_blocked:
+            text = f"<span color=\"#ffffff\">{text}</span>"
+        print(json.dumps({'text': text, 'tooltip': ("Manually inhibited" if is_acquired else None)}, separators=(',', ':')), flush=True)
+    print_state(is_blocked_logind(await logind.get_block_inhibited()))
+    async def get_inhibit():
+        introspection = await session_bus.introspect('li.yggdrasil.WaybarSystemdInhibit', '/li/yggdrasil/WaybarSystemdInhibit')
+        return session_bus.get_proxy_object('li.yggdrasil.WaybarSystemdInhibit', '/li/yggdrasil/WaybarSystemdInhibit', introspection)
+    async def on_logind_properties_changed(interface_name, changed_properties, invalidated_properties):
+        if 'BlockInhibited' not in changed_properties:
+            return
+        properties = (await get_inhibit()).get_interface('li.yggdrasil.WaybarSystemdInhibit')
+        print_state(is_blocked_logind(changed_properties['BlockInhibited'].value), await properties.get_is_acquired())
+    properties.on_properties_changed(on_logind_properties_changed)
+    session_bus.export('/li/yggdrasil/WaybarSystemdInhibit', BlockInterface(system_bus, logind))
+    await session_bus.request_name('li.yggdrasil.WaybarSystemdInhibit')
+    properties = (await get_inhibit()).get_interface('org.freedesktop.DBus.Properties')
+    async def on_inhibit_properties_changed(interface_name, changed_properties, invalidated_properties):
+        if 'IsAcquired' not in changed_properties:
+            return
+        print_state(is_blocked_logind(await logind.get_block_inhibited()), changed_properties['IsAcquired'].value)
+    properties.on_properties_changed(on_inhibit_properties_changed)
+    await session_bus.wait_for_disconnect()
+@click.command()
+async def toggle():
+    session_bus = await MessageBus(bus_type=BusType.SESSION).connect()
+    introspection = await session_bus.introspect('li.yggdrasil.WaybarSystemdInhibit', '/li/yggdrasil/WaybarSystemdInhibit')
+    obj = session_bus.get_proxy_object('li.yggdrasil.WaybarSystemdInhibit', '/li/yggdrasil/WaybarSystemdInhibit', introspection)
+    interface = obj.get_interface('li.yggdrasil.WaybarSystemdInhibit')
+    await interface.call_toggle_block()
diff --git a/overlays/worktime/.envrc b/overlays/worktime/.envrc
new file mode 100644
index 00000000..2c909235
--- /dev/null
+++ b/overlays/worktime/.envrc
@@ -0,0 +1,4 @@
+use flake
+[[ -d ".venv" ]] || ( uv venv && uv sync )
+. .venv/bin/activate
diff --git a/overlays/worktime/.gitignore b/overlays/worktime/.gitignore
new file mode 100644
index 00000000..4ccfae70
--- /dev/null
+++ b/overlays/worktime/.gitignore
@@ -0,0 +1,2 @@
+.venv
+**/__pycache__
diff --git a/overlays/worktime/default.nix b/overlays/worktime/default.nix
index 1d8433af..579cf7ad 100644
--- a/overlays/worktime/default.nix
+++ b/overlays/worktime/default.nix
@@ -1,13 +1,19 @@
-{ prev, ... }:
+{ prev, final, flake, flakeInputs, ... }:
-with prev.poetry2nix;
+let
+  workspace = flakeInputs.uv2nix.lib.workspace.loadWorkspace { workspaceRoot = ./.; };
-{
+  pythonSet = flake.lib.pythonSet {
-  worktime = mkPoetryApplication {
+    pkgs = final;
-    python = prev.python312;
+    python = final.python312;
+    overlay = workspace.mkPyprojectOverlay {
-    projectDir = cleanPythonSources { src = ./.; };
+      sourcePreference = "wheel";
+    };
-    meta.mainProgram = "worktime";
  };
+  virtualEnv = pythonSet.mkVirtualEnv "worktime" workspace.deps.default;
+in {
+  worktime = virtualEnv.overrideAttrs (oldAttrs: {
+    meta = (oldAttrs.meta or {}) // {
+      mainProgram = "worktime";
+    };
+  });
 }
diff --git a/overlays/worktime/poetry.lock b/overlays/worktime/poetry.lock
deleted file mode 100644
index 7c1ca91d..00000000
--- a/overlays/worktime/poetry.lock
+++ /dev/null
@@ -1,284 +0,0 @@
-# This file is automatically @generated by Poetry 2.1.1 and should not be changed by hand.
-[[package]]
-name = "backoff"
-version = "2.2.1"
-description = "Function decoration for backoff and retry"
-optional = false
-python-versions = ">=3.7,<4.0"
-groups = ["main"]
-files = [
-    {file = "backoff-2.2.1-py3-none-any.whl", hash = "sha256:63579f9a0628e06278f7e47b7d7d5b6ce20dc65c5e96a6f3ca99a6adca0396e8"},
-    {file = "backoff-2.2.1.tar.gz", hash = "sha256:03f829f5bb1923180821643f8753b0502c3b682293992485b0eef2807afa5cba"},
-]
-[[package]]
-name = "certifi"
-version = "2025.1.31"
-description = "Python package for providing Mozilla's CA Bundle."
-optional = false
-python-versions = ">=3.6"
-groups = ["main"]
-files = [
-    {file = "certifi-2025.1.31-py3-none-any.whl", hash = "sha256:ca78db4565a652026a4db2bcdf68f2fb589ea80d0be70e03929ed730746b84fe"},
-    {file = "certifi-2025.1.31.tar.gz", hash = "sha256:3d5da6925056f6f18f119200434a4780a94263f10d1c21d032a6f6b2baa20651"},
-]
-[[package]]
-name = "charset-normalizer"
-version = "3.4.1"
-description = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
-optional = false
-python-versions = ">=3.7"
-groups = ["main"]
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diff --git a/overlays/worktime/pyproject.toml b/overlays/worktime/pyproject.toml
index de4b9fd4..42da51f5 100644
--- a/overlays/worktime/pyproject.toml
+++ b/overlays/worktime/pyproject.toml
@@ -1,23 +1,28 @@
-[tool.poetry]
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 name = "worktime"
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+    "frozendict>=2.4.6",
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+    "desktop-notify>=1.3.3",
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-jsonpickle = "^4.0.5"
-[tool.poetry.scripts]
 worktime = "worktime.__main__:main"
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+worktime-stop = "worktime.__main__:stop"
 [build-system]
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-build-backend = "poetry.core.masonry.api"
-\ No newline at end of file
+build-backend = "hatchling.build"
+[dependency-groups]
+dev = []
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new file mode 100644
index 00000000..39de4ccf
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+    { name = "desktop-notify" },
+    { name = "frozendict" },
+    { name = "jsonpickle" },
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+    { name = "desktop-notify", specifier = ">=1.3.3" },
+    { name = "frozendict", specifier = ">=2.4.6" },
+    { name = "jsonpickle", specifier = ">=4.0.5,<5" },
+    { name = "python-dateutil", specifier = ">=2.9.0.post0,<3" },
+    { name = "pyxdg", specifier = ">=0.28,<0.29" },
+    { name = "requests", specifier = ">=2.32.3,<3" },
+    { name = "tabulate", specifier = ">=0.9.0,<0.10" },
+    { name = "toml", specifier = ">=0.10.2,<0.11" },
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diff --git a/overlays/worktime/worktime/__main__.py b/overlays/worktime/worktime/__main__.py
index 4eee5dc2..bf24bbec 100755
--- a/overlays/worktime/worktime/__main__.py
+++ b/overlays/worktime/worktime/__main__.py
@@ -1,10 +1,12 @@
 import requests
 from requests.exceptions import HTTPError
 from requests.auth import HTTPBasicAuth
+from requests.adapters import HTTPAdapter, Retry
 from datetime import *
 from xdg import BaseDirectory
 import toml
-from uritools import (uricompose)
+from uritools import uricompose
+from urllib.parse import urljoin
 from inspect import signature
@@ -27,77 +29,76 @@ from sys import stderr, stdout
 from tabulate import tabulate
-from itertools import groupby, count
+from itertools import groupby, count, islice
 from functools import cache, partial
-import backoff
 from pathlib import Path
 from collections import defaultdict
+from collections.abc import Iterable, Generator
+from typing import Any
 import jsonpickle
 from hashlib import blake2s
 import json
-class TogglAPISection(Enum):
+import asyncio
-    TOGGL = '/api/v9'
-    REPORTS = '/reports/api/v2'
+from frozendict import frozendict
+from contextlib import closing
-class TogglAPIError(Exception):
+import os
-    def __init__(self, response, *, http_error=None):
+from time import clock_gettime_ns, CLOCK_MONOTONIC
-        self.http_error = http_error
+from atomicwriter import AtomicWriter
-        self.response = response
+import desktop_notify.aio as notify
-    def __str__(self):
+class BearerAuth(requests.auth.AuthBase):
-        if not self.http_error is None:
+    def __init__(self, token):
-            return str(self.http_error)
+        self.token = token
-        else:
+    def __call__(self, r):
-            return self.response.text
+        r.headers["authorization"] = "Bearer " + self.token
+        return r
-class TogglAPI(object):
-    def __init__(self, api_token, workspace_id, client_ids):
+class KimaiSession(requests.Session):
-        self._api_token = api_token
+    def __init__(self, base_url: str, api_token: str):
-        self._workspace_id = workspace_id
+        super().__init__()
-        self._client_ids = set(map(int, client_ids.split(','))) if client_ids else None
+        self.base_url = base_url
+        self.auth = BearerAuth(api_token)
-    def _make_url(self, api=TogglAPISection.TOGGL, section=['me', 'time_entries', 'current'], params={}):
+        retries = Retry(total=5, backoff_factor=0.1, status_forcelist=[500, 502, 503, 504])
-        if api is TogglAPISection.REPORTS:
+        super().mount(base_url, HTTPAdapter(max_retries=retries))
-          params.update({'user_agent': 'worktime', 'workspace_id': self._workspace_id})
+    def request(self, method, url, *args, **kwargs):
-        api_path = api.value
+        joined_url = urljoin(self.base_url, url)
-        section_path = '/'.join(section)
+        return super().request(method, joined_url, *args, headers = {'Accept': 'application/json'} | (kwargs['headers'] if 'headers' in kwargs else {}), **{k: v for k, v in kwargs.items() if k not in ['headers']})
-        uri = uricompose(scheme='https', host='api.track.toggl.com', path=f"{api_path}/{section_path}", query=params)
+class KimaiAPI(object):
-        return uri
+    def __init__(self, base_url: str, api_token: str, clients: Iterable[str]):
+        self._session = KimaiSession(base_url, api_token)
-    def _query(self, url, method):
+        self._kimai_clients = self._session.get('/api/customers').json()
-        response = self._raw_query(url, method)
+        self._client_ids = self.resolve_clients(clients)
-        response.raise_for_status()
+        kimai_user = self._session.get('/api/users/me').json()
-        return response
+        self._tz = gettz(kimai_user['timezone'])
-    @backoff.on_predicate(
+    def resolve_clients(self, clients: Iterable[str]) -> frozenset[int]:
-        backoff.expo,
+        return frozenset({ client['id'] for client in self._kimai_clients if client['name'] in clients })
-        factor=0.1, max_value=2,
-        predicate=lambda r: r.status_code == 429,
+    def render_datetime(self, datetime: datetime) -> str:
-        max_time=10,
+        return datetime.astimezone(self._tz).strftime('%Y-%m-%dT%H:%M:%S')
-    )
-    def _raw_query(self, url, method):
+    def get_timesheets(self, params: dict[str, Any] = {}) -> Generator[Any]:
-        headers = {'content-type': 'application/json', 'accept': 'application/json'}
+        for page in count(start=1):
-        response = None
+            resp = self._session.get('/api/timesheets', params=params | {'size': 100, 'page': page})
+            if resp.status_code == 404:
-        if method == 'GET':
+                break
-            response = requests.get(url, headers=headers, auth=HTTPBasicAuth(self._api_token, 'api_token'))
+            yield from resp.json()
-        elif method == 'POST':
-            response = requests.post(url, headers=headers, auth=HTTPBasicAuth(self._api_token, 'api_token'))
-        else:
-            raise ValueError(f"Undefined HTTP method “{method}”")
-        return response
-    def entry_durations(self, start_date, *, end_date, rounding=False, client_ids):
+    def entry_durations(self, start_date: datetime, *, end_date: datetime, clients: Iterable[str] | None = None) -> Generator[timedelta]:
-        if client_ids is not None and not client_ids:
+        client_ids = None
+        if clients is not None and not clients:
            return
+        elif clients is None:
+            client_ids = self._client_ids
+        else:
+            client_ids = self.resolve_clients(clients)
        cache_dir = Path(BaseDirectory.save_cache_path('worktime')) / 'entry_durations'
        step = timedelta(days = 120)
@@ -116,11 +117,8 @@ class TogglAPI(object):
                cache_key = blake2s(jsonpickle.encode({
                    'start': req_start,
                    'end': req_end,
-                    'rounding': rounding,
+                    'client_ids': client_ids,
-                    'clients': client_ids,
+                }).encode('utf-8'), key = self._session.auth.token.encode('utf-8')).hexdigest()
-                    'workspace': self._workspace_id,
-                    'workspace_clients': self._client_ids
-                }).encode('utf-8'), key = self._api_token.encode('utf-8')).hexdigest()
                cache_path = cache_dir / cache_key[:2] / cache_key[2:4] / f'{cache_key[4:]}.json'
                try:
                    with cache_path.open('r', encoding='utf-8') as ch:
@@ -130,85 +128,83 @@ class TogglAPI(object):
                    pass
            entries = list()
-            params = { 'since': (req_start - timedelta(days=1)).date().isoformat(),
+            params = {
-                       'until': (req_end + timedelta(days=1)).date().isoformat(),
+                'begin': self.render_datetime(req_start),
-                       'rounding': 'yes' if rounding else 'no',
+                'end': self.render_datetime(req_end),
-                       'billable': 'yes'
+                'customers[]': list(client_ids),
-                      }
+                'billable': 1,
-            if client_ids is not None:
+            }
-                params |= { 'client_ids': ','.join(map(str, client_ids)) }
-            for page in count(start = 1):
+            for entry in self.get_timesheets(params):
-                url = self._make_url(api = TogglAPISection.REPORTS, section = ['details'], params = params | { 'page': page })
+                if entry['end'] is None:
-                r = self._query(url = url, method='GET')
+                    continue
-                if not r or not r.json():
-                    raise TogglAPIError(r)
+                start = isoparse(entry['begin'])
-                report = r.json()
+                end = isoparse(entry['end'])
-                for entry in report['data']:
-                    start = isoparse(entry['start'])
+                if start > req_end or end < req_start:
-                    end = isoparse(entry['end'])
+                    continue
-                    if start > req_end or end < req_start:
-                        continue
-                    x = min(end, req_end) - max(start, req_start)
+                x = min(end, req_end) - max(start, req_start)
-                    if cache_key:
+                if cache_key:
-                        entries.append(x)
+                    entries.append(x)
-                    yield x
+                yield x
-                if not report['data']:
-                    break
            if cache_path:
                cache_path.parent.mkdir(parents=True, exist_ok=True)
                with cache_path.open('w', encoding='utf-8') as ch:
                    ch.write(jsonpickle.encode(entries))
-            # res = timedelta(milliseconds=report['total_billable']) if report['total_billable'] else timedelta(milliseconds=0)
-            # return res
-    def get_billable_hours(self, start_date, end_date=datetime.now(timezone.utc), rounding=False):
+    def get_billable_hours(self, start_date: datetime, end_date: datetime = datetime.now(timezone.utc)) -> timedelta:
-        billable_acc = timedelta(milliseconds = 0)
+        return sum(self.entry_durations(start_date, end_date=end_date), start=timedelta(milliseconds=0))
-        if 0 in self._client_ids:
-            url = self._make_url(api = TogglAPISection.TOGGL, section = ['workspaces', self._workspace_id, 'clients'])
-            r = self._query(url = url, method = 'GET')
-            if not r or not r.json():
-                raise TogglAPIError(r)
-            billable_acc += sum(self.entry_durations(start_date, end_date=end_date, rounding=rounding, client_ids=None), start=timedelta(milliseconds=0)) - sum(self.entry_durations(start_date, end_date=end_date, rounding=rounding, client_ids=frozenset(map(lambda c: c['id'], r.json()))), start=timedelta(milliseconds=0))
+    def get_running_entry(self) -> Any | None:
+        kimai_entries = self._session.get('/api/timesheets/active').json()
-        billable_acc += sum(self.entry_durations(start_date, end_date=end_date, rounding=rounding, client_ids=frozenset(*(self._client_ids - {0}))), start=timedelta(milliseconds=0))
+        if not kimai_entries:
+            return None
-        return billable_acc
+        entry = kimai_entries[0]
-    def get_running_clock(self, now=datetime.now(timezone.utc)):
+        if entry['project']['customer']['id'] not in self._client_ids:
-        url = self._make_url(api = TogglAPISection.TOGGL, section = ['me', 'time_entries', 'current'])
+            return None
-        r = self._query(url = url, method='GET')
-        if not r or (not r.json() and r.json() is not None):
+        return entry
-            raise TogglAPIError(r)
-        if not r.json() or not r.json()['billable']:
+    def get_running_clock(self, now: datetime = datetime.now(timezone.utc)) -> timedelta | None:
+        entry = self.get_running_entry()
+        if not entry:
            return None
+        start = isoparse(entry['begin'])
+        return now - start if start <= now else None
-        if self._client_ids is not None:
+    def get_recent_entries(self) -> Generator[Any]:
-            if 'pid' in r.json() and r.json()['pid']:
+        step = timedelta(days = 7)
-                url = self._make_url(api = TogglAPISection.TOGGL, section = ['projects', str(r.json()['pid'])])
+        now = datetime.now().astimezone(timezone.utc)
-                pr = self._query(url = url, method = 'GET')
+        ids = set()
-                if not pr or not pr.json():
+        for req_end in (now - step * i for i in count()):
-                    raise TogglAPIError(pr)
+            params = {
+                'begin': self.render_datetime(req_end - step),
+                'end': self.render_datetime(req_end),
+                'full': 'true',
+            }
+            for entry in self.get_timesheets(params):
+                if entry['id'] in ids:
+                    continue
+                ids.add(entry['id'])
+                yield entry
-                if not pr.json():
+    def start_clock(self, project_id: int, activity_id: int, description: str | None = None, tags: Iterable[str] | None = None, billable: bool = True):
-                    return None
+        self._session.post('/api/timesheets', json={
+            'begin': self.render_datetime(datetime.now()),
+            'project': project_id,
+            'activity': activity_id,
+            'description': description if description else '',
+            'tags': (','.join(tags)) if tags else '',
+            'billable': billable,
+        }).raise_for_status()
-                if 'cid' in pr.json() and pr.json()['cid']:
+    def stop_clock(self, running_id: int):
-                    if pr.json()['cid'] not in self._client_ids:
+        self._session.patch(f'/api/timesheets/{running_id}/stop').raise_for_status()
-                        return None
-                elif 0 not in self._client_ids:
-                    return None
-            elif 0 not in self._client_ids:
-                return None
-        start = isoparse(r.json()['start'])
-        return now - start if start <= now else None
 class Worktime(object):
    time_worked = timedelta()
@@ -281,10 +277,10 @@ class Worktime(object):
      config = Worktime.config()
      config_dir = BaseDirectory.load_first_config('worktime')
-      api = TogglAPI(
+      api = KimaiAPI(
-          api_token=config.get("TOGGL", {}).get("ApiToken", None),
+          base_url=config.get("KIMAI", {}).get("BaseUrl", None),
-          workspace_id=config.get("TOGGL", {}).get("Workspace", None),
+          api_token=config.get("KIMAI", {}).get("ApiToken", None),
-          client_ids=config.get("TOGGL", {}).get("ClientIds", None)
+          clients=config.get("KIMAI", {}).get("Clients", None)
      )
      date_format = config.get("WORKTIME", {}).get("DateFormat", '%Y-%m-%d')
@@ -496,7 +492,7 @@ class Worktime(object):
      self.time_to_work += self.time_pulled_forward
-      self.time_worked += api.get_billable_hours(self.start_date, self.now, rounding = config.get("WORKTIME", {}).get("rounding", True))
+      self.time_worked += api.get_billable_hours(self.start_date, self.now)
 def format_days(worktime, days, date_format=None):
    if not date_format:
@@ -886,7 +882,7 @@ def main():
    config = Worktime.config()
-    parser = argparse.ArgumentParser(prog = "worktime", description = 'Track worktime using toggl API')
+    parser = argparse.ArgumentParser(prog = "worktime", description = 'Track worktime using Kimai API')
    parser.add_argument('--time', dest = 'now', metavar = 'TIME', type = isotime, help = 'Time to calculate status for (default: current time)', default = datetime.now(tzlocal()))
    parser.add_argument('--start', dest = 'start_datetime', metavar = 'TIME', type = isotime, help = 'Time to calculate status from (default: None)', default = None)
    parser.add_argument('--no-running', dest = 'include_running', action = 'store_false')
@@ -923,5 +919,139 @@ def main():
    args.cmd(**vars(args))
+async def ui_update_options(api, cache_path):
+    options = set()
+    sort_order = dict()
+    entry_iter = enumerate(api.get_recent_entries())
+    loop = asyncio.get_event_loop()
+    start = clock_gettime_ns(CLOCK_MONOTONIC)
+    while item := await loop.run_in_executor(None, next, entry_iter):
+        ix, entry = item
+        if len(options) >= 20 or ix >= 1000:
+            break
+        elif len(options) >= 3:
+            now = clock_gettime_ns(CLOCK_MONOTONIC)
+            if now - start >= 4000000000:
+                break
+        option = frozendict({
+            'tags': frozenset(entry['tags']),
+            'activity': frozendict({'id': entry['activity']['id'], 'name': entry['activity']['name']}),
+            'project': frozendict({'id': entry['project']['id'], 'customer': entry['project']['customer']['name'], 'name': entry['project']['name']}),
+            'description': entry['description'] if entry['description'] else None,
+            'billable': entry['billable'],
+        })
+        sort_value = isoparse(entry['begin'])
+        if option in sort_order:
+            sort_value = max(sort_value, sort_order[option])
+        sort_order[option] = sort_value
+        options.add(option)
+    options = list(sorted(options, key = lambda o: sort_order[o], reverse = True))
+    with AtomicWriter(cache_path, overwrite=True) as ch:
+        ch.write_text(jsonpickle.encode(options))
+    return options
+def ui_render_option(option):
+    res = ''
+    if option['description']:
+        res += '„{}“, '.format(option['description'])
+    res += option['activity']['name'] + ', '
+    res += option['project']['name']
+    if option['project']['customer'] not in option['project']['name']:
+        res += ' ({})'.format(option['project']['customer'])
+    if option['tags']:
+        res += ', {}'.format(' '.join(map(lambda t: '#{}'.format(t), option['tags'])))
+    if not option['billable']:
+        res += ', not billable'
+    return res
+async def ui_main():
+    cache_path = Path(BaseDirectory.save_cache_path('worktime-ui')) / 'options.json'
+    options = None
+    try:
+        with cache_path.open('r', encoding='utf-8') as ch:
+            options = jsonpickle.decode(ch.read())
+    except FileNotFoundError:
+        pass
+    config = Worktime.config()
+    api = KimaiAPI(
+        base_url=config.get("KIMAI", {}).get("BaseUrl", None),
+        api_token=config.get("KIMAI", {}).get("ApiToken", None),
+        clients=config.get("KIMAI", {}).get("Clients", None)
+    )
+    running_entry = api.get_running_entry()
+    async with asyncio.TaskGroup() as tg:
+        update_options = tg.create_task(ui_update_options(api, cache_path))
+        if not options:
+            options = await update_options
+        read_fd, write_fd = os.pipe()
+        w_pipe = open(write_fd, 'wb', 0)
+        loop = asyncio.get_event_loop()
+        w_transport, _ = await loop.connect_write_pipe(
+            asyncio.Protocol,
+            w_pipe,
+        )
+        r_pipe = open(read_fd, 'rb', 0)
+        proc = await asyncio.create_subprocess_exec(
+            "fuzzel", "--dmenu", "--index", "--width=60",
+            stdout = asyncio.subprocess.PIPE,
+            stdin = r_pipe,
+        )
+        with closing(w_transport) as t:
+            if running_entry:
+                t.write(b'Stop running timesheet\n')
+            for option in options:
+                t.write(ui_render_option(option).encode('utf-8') + b'\n')
+        stdout, _ = await proc.communicate()
+        if proc.returncode != 0:
+            return
+        fuzzel_out = int(stdout.decode('utf-8'))
+        if fuzzel_out < 0 or fuzzel_out >= len(options):
+            return
+        elif running_entry and fuzzel_out == 0:
+            api.stop_clock(running_entry['id'])
+            await notify.Server('worktime').Notify("Stopped running timesheet").set_timeout(65000).show()
+        else:
+            if running_entry:
+                fuzzel_out -= 1
+            option = options[fuzzel_out]
+            api.start_clock(
+                project_id = option['project']['id'],
+                activity_id = option['activity']['id'],
+                description = option['description'],
+                tags = option['tags'],
+                billable = option['billable'],
+            )
+            await notify.Server('worktime').Notify("Timesheet started…").set_timeout(65000).show()
+def ui():
+    asyncio.run(ui_main())
+async def stop_main():
+    config = Worktime.config()
+    api = KimaiAPI(
+        base_url=config.get("KIMAI", {}).get("BaseUrl", None),
+        api_token=config.get("KIMAI", {}).get("ApiToken", None),
+        clients=config.get("KIMAI", {}).get("Clients", None)
+    )
+    if running_entry := api.get_running_entry():
+        api.stop_clock(running_entry['id'])
+        await notify.Server('worktime').Notify("Stopped running timesheet").set_timeout(65000).show()
+    else:
+        await notify.Server('worktime').Notify("No timesheet currently running").set_timeout(65000).show()
+def stop():
+    asyncio.run(stop_main())
 if __name__ == "__main__":
    sys.exit(main())
diff --git a/overlays/zte-prometheus-exporter/default.nix b/overlays/zte-prometheus-exporter/default.nix
index 2188e7b3..cd4207cd 100644
--- a/overlays/zte-prometheus-exporter/default.nix
+++ b/overlays/zte-prometheus-exporter/default.nix
@@ -2,17 +2,16 @@
 let
  packageOverrides = final.callPackage ./python-packages.nix {};
  inpPython = final.python310.override { inherit packageOverrides; };
+  python = inpPython.withPackages (ps: with ps; [pytimeparse requests]);
 in {
  zte-prometheus-exporter = prev.stdenv.mkDerivation rec {
    name = "zte-prometheus-exporter";
-    src = ./zte-prometheus-exporter.py;
+    src = prev.replaceVars ./zte-prometheus-exporter.py { inherit python; };
-    phases = [ "buildPhase" "checkPhase" "installPhase" ];
+    phases = [ "unpackPhase" "checkPhase" "installPhase" ];
-    python = inpPython.withPackages (ps: with ps; [pytimeparse requests]);
+    unpackPhase = ''
+      cp $src zte-prometheus-exporter
-    buildPhase = ''
-      substituteAll $src zte-prometheus-exporter
    '';
    doCheck = true;
diff --git a/shell.nix b/shell.nix
index b6059799..1b334187 100644
--- a/shell.nix
+++ b/shell.nix
@@ -3,6 +3,12 @@ let
  pkgs = self.legacyPackages.${system};
  utils = import ./utils { inherit (nixpkgs) lib; };
  inherit (utils) nixImport;
+  uv-links = pkgs.symlinkJoin {
+    name = "uv-links";
+    paths = [
+      pkgs.python312.pkgs.pygobject3
+    ];
+  };
 in pkgs.mkShell {
  nativeBuildInputs = builtins.attrValues self.packages.${system} ++ (with pkgs; [
    sops
@@ -14,6 +20,10 @@ in pkgs.mkShell {
    yq
    nvfetcher.packages.${system}.default
    ca-util.packages.${system}.ca
-    poetry
+    poetry uv
+    ninja pkg-config cairo.dev systemd.dev
  ]);
+  shellHook = ''
+    export UV_FIND_LINKS=${uv-links}/lib/python3.12/site-packages
+  '';
 }
diff --git a/system-profiles/core/default.nix b/system-profiles/core/default.nix
index b85aea4e..229a007e 100644
--- a/system-profiles/core/default.nix
+++ b/system-profiles/core/default.nix
@@ -127,36 +127,16 @@ in {
          flake-registry = "${flakeInputs.flake-registry}/flake-registry.json";
        };
-        nixPath = [
+        nixPath = map (flake: "${flake}=flake:${flake}") (attrNames config.nix.registry);
-          "nixpkgs=${pkgs.runCommand "nixpkgs" {} ''
-            mkdir $out
-            ln -s ${./nixpkgs.nix} $out/default.nix
-            ln -s /run/nixpkgs/lib $out/lib
-          ''}"
-        ];
        registry =
          let override = { self = "nixos"; };
          in mapAttrs' (inpName: inpFlake: nameValuePair
            (override.${inpName} or inpName)
-            { flake = inpFlake; } ) flakeInputs;
+            { to = { type = "path"; path = inpFlake; }; } ) flakeInputs;
      };
      systemd.tmpfiles.rules = [
        "L+ /run/nixpkgs - - - - ${flakeInputs.${config.nixpkgs.flakeInput}.outPath}"
-        "L+ /run/nixpkgs-overlays.nix - - - - ${pkgs.writeText "overlays.nix" ''
-          with builtins;
-          attrValues (import
-            (
-              let lock = fromJSON (readFile ${flake + "/flake.lock"}); in
-              fetchTarball {
-                url = "https://github.com/edolstra/flake-compat/archive/''${lock.nodes.flake-compat.locked.rev}.tar.gz";
-                sha256 = lock.nodes.flake-compat.locked.narHash;
-              }
-            )
-            { src = ${flake}; }
-          ).defaultNix.overlays
-        ''}"
        "L+ /etc/nixos - - - - ${flake}"
      ] ++ map (input: "L+ /run/flake-inputs/${input} - - - - ${flakeInputs.${input}.outPath}") (attrNames flakeInputs);
@@ -177,8 +157,6 @@ in {
          {
            manual.manpages.enable = true;
            systemd.user.startServices = "sd-switch";
-            programs.ssh.internallyManaged = mkForce true;
          }
        ];
        extraSpecialArgs = { inherit flake flakeInputs path; hostConfig = config; };
diff --git a/system-profiles/default-locale.nix b/system-profiles/default-locale.nix
index 2d483f04..60d338cb 100644
--- a/system-profiles/default-locale.nix
+++ b/system-profiles/default-locale.nix
@@ -1,16 +1,23 @@
-{ lib, ... }:
+{ lib, options, ... }:
 with lib;
 {
-  i18n = {
+  config = foldr recursiveUpdate {} ([
-    defaultLocale = "en_DK.UTF-8";
+    {
-    extraLocaleSettings = {
+      i18n = {
-      "TIME_STYLE" = "long-iso";
+        defaultLocale = "en_DK.UTF-8";
-    };
+        extraLocaleSettings = {
-    supportedLocales = [ "C.UTF-8/UTF-8" "en_US.UTF-8/UTF-8" "en_DK.UTF-8/UTF-8" ];
+          "TIME_STYLE" = "long-iso";
-  };
+        };
-  console.keyMap = mkDefault "dvorak-programmer";
+      };
+      console.keyMap = mkDefault "dvorak-programmer";
-  time.timeZone = mkDefault "Europe/Berlin";
+      time.timeZone = mkDefault "Europe/Berlin";
+    }
+  ] ++ (optional (options ? i18n.extraLocales) {
+    i18n.extraLocales = [ "C.UTF-8" "en_US.UTF-8" "en_DK.UTF-8" ];
+  }) ++ (optional (!(options ? i18n.extraLocales)) {
+    i18n.supportedLocales = [ "C.UTF-8/UTF-8" "en_US.UTF-8/UTF-8" "en_DK.UTF-8/UTF-8" ];
+  }));
 }
diff --git a/system-profiles/nfsroot.nix b/system-profiles/nfsroot.nix
index 1cd930d9..b0116d61 100644
--- a/system-profiles/nfsroot.nix
+++ b/system-profiles/nfsroot.nix
@@ -48,7 +48,7 @@ in {
      fileSystems."/nix/.ro-store" = mkImageMediaOverride
        { fsType = "nfs4";
          device = cfg.storeDevice;
-          options = [ "ro" ];
+          options = [ "ro" "nfsvers=4.2" ];
          neededForBoot = true;
        };
diff --git a/system-profiles/rebuild-machines/default.nix b/system-profiles/rebuild-machines/default.nix
index 544f47e1..de86cd74 100644
--- a/system-profiles/rebuild-machines/default.nix
+++ b/system-profiles/rebuild-machines/default.nix
@@ -25,16 +25,18 @@ let
    phases = [ "buildPhase" "installPhase" ];
-    inherit (pkgs) zsh coreutils openssh;
-    inherit (cfg) scriptName;
-    inherit (cfg.flake) flakeOutput;
-    flake = cfg.flake.name;
-    nixosRebuild = config.system.build.nixos-rebuild;
-    inherit (config.security) wrapperDir;
-    inherit sshConfig;
    buildPhase = ''
-      substituteAll $src rebuild-machine.zsh
+      substitute $src rebuild-machine.zsh \
+        --subst-var-by zsh ${pkgs.zsh} \
+        --subst-var-by coreutils ${pkgs.coreutils} \
+        --subst-var-by openssh ${pkgs.openssh} \
+        --subst-var-by wrapperDir ${config.security.wrapperDir} \
+        --subst-var-by sshConfig ${sshConfig} \
+        --subst-var-by out "$out" \
+        --subst-var-by nixosRebuild ${config.system.build.nixos-rebuild} \
+        --subst-var-by flake ${cfg.flake.name} \
+        --subst-var-by scriptName ${cfg.scriptName} \
+        --subst-var-by flakeOutput ${cfg.flake.flakeOutput}
    '';
    installPhase = ''
diff --git a/user-profiles/core.nix b/user-profiles/core.nix
index a8af48b3..57fb7628 100644
--- a/user-profiles/core.nix
+++ b/user-profiles/core.nix
@@ -5,7 +5,11 @@ with lib;
 {
  config = {
    users.users.${userName} = {}; # Just make sure the user is created
-    home-manager.users.${userName} = {};
+    home-manager.users.${userName} = let sysConfig = config; in { config, ... }: {
+      config.nix.settings = {
+        inherit (sysConfig.nix.settings) use-xdg-base-directories;
+      };
+    };
    systemd.services."home-manager-${utils.escapeSystemdPath userName}" = lib.mkIf (!config.home-manager.enableSystemd) {
      restartIfChanged = false; # only run once on startup, deploy to running system with deploy-rs
diff --git a/user-profiles/feeds/alot.config b/user-profiles/feeds/alot.config
deleted file mode 100644
index a14d4539..00000000
--- a/user-profiles/feeds/alot.config
+++ /dev/null
@@ -1,50 +0,0 @@
-attachment_prefix="~/Downloads"
-bug_on_exit=true
-editor_cmd="false"
-tabwidth=2
-timestamp_format="%a %d %b %H:%M:%S %Y UTC%z"
-auto_remove_unread=True
-#initial_command="search ( tag:inbox ) AND NOT ( tag:killed )"
-initial_command="search ( tag:inbox ) AND NOT ( is:link OR is:media OR is:killed )"
-[accounts]
-  [[private]]
-    realname = @realname@
-    address = @address@
-[bindings]
-j = 
-k =
-'g g' =
-G =
-I = search ( tag:inbox ) AND NOT ( is:killed )
-U = search ( tag:inbox ) AND NOT ( is:link OR is:media OR is:killed )
-V = search ( tag:inbox AND is:media OR ( is:live AND date:12h.. AND NOT is:unread ) ) AND NOT ( is:killed )
-W = search ( is:media ) AND NOT ( tag:inbox OR is:killed OR is:highlight )
-L = search ( tag:inbox AND is:link ) AND NOT ( is:killed )
-h = move first
-t = move up
-n = move down
-s = move last
-        [[search]]
-                a =
-                s = 
- 
-                u = toggletags unread
-                i = toggletags inbox
-                j = untag unread,inbox
-                r = toggletags later
-        [[thread]]
-    s =
-                S =
-                n =
-                'g j' =
-    'g k' =
-    'g l' =
-                w = save
-                W = save --all
-    'g h' = move parent
-                'g t' = move next sibling
-    'g n' = move previous sibling
-    'g s' = move first reply
-\ No newline at end of file
diff --git a/user-profiles/feeds/default.nix b/user-profiles/feeds/default.nix
deleted file mode 100644
index 82be90c7..00000000
--- a/user-profiles/feeds/default.nix
+++ /dev/null
@@ -1,11 +0,0 @@
-{ config, flakeInputs, pkgs, lib, userName, customUtils, ... }:
-{
-  home-manager.users.${userName} = {...}: {
-    imports = [
-      (customUtils.overrideModuleArgs
-        (import ./module.nix)
-        (inputs: inputs // { inherit flakeInputs; inherit (config.nixpkgs) system; })
-      )
-    ];
-  };
-}
diff --git a/user-profiles/feeds/imm-notmuch-insert.py b/user-profiles/feeds/imm-notmuch-insert.py
deleted file mode 100644
index b7eed292..00000000
--- a/user-profiles/feeds/imm-notmuch-insert.py
+++ /dev/null
@@ -1,52 +0,0 @@
-#!@python@/bin/python
-import json
-import sys
-import subprocess
-from io import BytesIO
-from email.message import EmailMessage
-import configparser
-from os import environ
-from datetime import *
-from dateutil.tz import *
-from dateutil.parser import isoparse
-from html2text import html2text
-def main():
-    notmuchConfig = configparser.ConfigParser()
-    notmuchConfig.read(environ.get('NOTMUCH_CONFIG'))
-    callbackMessage = json.load(sys.stdin)
-    msg = EmailMessage()
-    authors = ', '.join(map(lambda author: author['name'], callbackMessage['feed_item']['authors']))
-    if authors:
-        msg['From'] = f"{callbackMessage['feed_definition']['title']} ({authors}) <imm@imm.invalid>"
-    else:
-        msg['From'] = f"{callbackMessage['feed_definition']['title']} <imm@imm.invalid>"
-    msg['To'] = f"{notmuchConfig['user']['name']} <{notmuchConfig['user']['primary_email']}>"
-    if 'title' in callbackMessage['feed_item'] and callbackMessage['feed_item']['title']:
-        msg['Subject'] = callbackMessage['feed_item']['title']
-    msg['Item-Identifier'] = f"{callbackMessage['feed_item']['identifier']}"
-    for link in callbackMessage['feed_item']['links']:
-        msg.add_header('Link', link['uri'])
-    date = None
-    if 'date' in callbackMessage['feed_item']:
-        date = isoparse(callbackMessage['feed_item']['date'])
-    else:
-        date = datetime.now(tzlocal())
-    msg['Date'] = date.strftime('%a, %e %b %Y %T %z')
-    if 'content' in callbackMessage['feed_item'] and callbackMessage['feed_item']['content']:
-        msg.set_content(html2text(callbackMessage['feed_item']['content']))
-        msg.add_alternative(callbackMessage['feed_item']['content'], subtype='html')
-    subprocess.run(
-        args=['notmuch', 'insert'],
-        check=True,
-        input=bytes(msg)
-    )
-if __name__ == '__main__':
-    sys.exit(main())
diff --git a/user-profiles/feeds/module.nix b/user-profiles/feeds/module.nix
deleted file mode 100644
index 63e827eb..00000000
--- a/user-profiles/feeds/module.nix
+++ /dev/null
@@ -1,236 +0,0 @@
-{ config, flakeInputs, pkgs, lib, system, ... }:
-with lib;
-let
-  inherit (flakeInputs.home-manager.lib) hm;
-  databasePath = "${config.xdg.dataHome}/feeds";
-  imm =
-    let
-      hlib = pkgs.haskell.lib;
-      haskellPackages = pkgs.haskellPackages.override {
-        overrides = finalHaskell: prevHaskell: {
-          uri-bytestring = finalHaskell.callCabal2nix "uri-bytestring" (pkgs.fetchFromGitHub {
-            owner = "gkleen";
-            repo = "uri-bytestring";
-            rev = "5f7f32c8274bc4d1b81d99582f5148fe3e8b637e";
-            sha256 = "XLanwyCDIlMuOkpE5LbTNOBfL+1kZX+URfj9Bhs1Nsc=";
-            fetchSubmodules = true;
-          }) {};
-          atom-conduit = finalHaskell.callCabal2nix "atom-conduit" (pkgs.fetchFromGitHub {
-            owner = "gkleen";
-            repo = "atom-conduit";
-            rev = "022f0182a02373f87c06a0a09817c8c41efe2425";
-            sha256 = "8yEyh3ymqkoM/YP+eBqPq1I5ofzj0Qn7ojL7IWx1DPo=";
-            fetchSubmodules = true;
-          }) {};
-          rss-conduit = finalHaskell.callCabal2nix "rss-condit" (pkgs.fetchFromGitHub {
-            owner = "gkleen";
-            repo = "rss-conduit";
-            rev = "dbb0960a8d3dc519f1607aa0223b3a25a49282ef";
-            sha256 = "Md1XApZWkdv4JvNoaVnjz0S85LbEC6w9U3PUcwXfu94=";
-            fetchSubmodules = true;
-          }) {};
-          beam-core = hlib.doJailbreak (finalHaskell.callCabal2nix "beam-core" "${beamSrc}/beam-core" {});
-          beam-migrate = hlib.doJailbreak (finalHaskell.callCabal2nix "beam-migrate" "${beamSrc}/beam-migrate" {});
-          beam-sqlite = hlib.doJailbreak (finalHaskell.callCabal2nix "beam-sqlite" "${beamSrc}/beam-sqlite" {});
-          imm = finalHaskell.callCabal2nix "imm" (pkgs.fetchFromGitHub {
-            owner = "k0ral";
-            repo = "imm";
-            rev = "5033879667264cb44cee65671a66f6aa43f249e7";
-            sha256 = "PG22caLQmAGhLZP49HsazuNd8IFKKaTuhXIQBD8v4Fs=";
-            fetchSubmodules = true;
-          }) {};
-        };
-      };
-      beamSrc = pkgs.fetchFromGitHub {
-        owner = "haskell-beam";
-        repo = "beam";
-        rev = "efd464b079755a781c2bb7a2fc030d6c141bbb8a";
-        sha256 = "8nTuBP/vD0L/qMo4h3XNrGZvpIwXuMVdj40j5gvHU6w=";
-        fetchSubmodules = true;
-      };
-    in haskellPackages.imm;
-   immWrapped = pkgs.runCommand "${imm.name}-wrapped-${config.home.username}"
-    { nativeBuildInputs = with pkgs; [ makeWrapper ];
-    } ''
-      mkdir -p $out/bin
-      makeWrapper ${imm}/bin/imm $out/bin/imm \
-        --add-flags --callbacks=${notmuchCallbacks}
-    '';
-  notmuchCallbacks = pkgs.writeText "imm-callbacks-${config.home.username}.dhall" ''
-    [ { _executable = "${immNotmuchInsert}/bin/imm-notmuch-insert"
-      , _arguments = [] : List Text
-      }
-    ]
-  '';
-  immNotmuchInsert = pkgs.stdenv.mkDerivation rec {
-    name = "imm-notmuch-insert-${config.home.username}";
-    src = ./imm-notmuch-insert.py;
-    phases = [ "buildPhase" "checkPhase" "installPhase" "fixupPhase" ];
-    python = pkgs.python39.withPackages (ps: with ps; [ configparser python-dateutil html2text ]);
-    nativeBuildInputs = with pkgs; [ makeWrapper ];
-    buildPhase = ''
-      substituteAll $src imm-notmuch-insert
-    '';
-    doCheck = true;
-    checkPhase = ''
-      ${python}/bin/python -m py_compile imm-notmuch-insert
-    '';
-    installPhase = ''
-      install -m 0755 -D -t $out/bin \
-        imm-notmuch-insert
-    '';
-    fixupPhase = ''
-      wrapProgram $out/bin/imm-notmuch-insert \
-        --prefix PATH : ${pkgs.notmuch}/bin \
-        --set NOTMUCH_CONFIG ${configPath}
-    '';
-  };
-  mkIniKeyValue = key: value:
-    let
-      tweakVal = v:
-        if isString v then
-          v
-        else if isList v then
-          concatMapStringsSep ";" tweakVal v
-        else if isBool v then
-          (if v then "true" else "false")
-        else
-          toString v;
-    in "${key}=${tweakVal value}";
-  notmuchIni = {
-    database = { path = databasePath; };
-    maildir = { synchronize_flags = false; };
-    new = {
-      ignore = [];
-      tags = ["new"];
-    };
-    user = {
-      name = config.home.username;
-      primary_email = "${config.home.username}@imm.invalid";
-    };
-    search = { exclude_tags = ["deleted"]; };
-  };
-  configPath = pkgs.writeText "notmuchrc" (generators.toINI { mkKeyValue = mkIniKeyValue; } notmuchIni);
-  afewConfigDir = pkgs.symlinkJoin {
-    name = "afew-config";
-    paths = [
-      (pkgs.writeTextDir "config" ''
-         [InboxFilter]
-      '')
-    ];
-  };
-  notmuchHooksDir =
-    let
-      afewHook = pkgs.writeShellScript "afew" ''
-        exec -- ${pkgs.afew}/bin/afew -c ${afewConfigDir} -C ${configPath} --tag --new -vv
-      '';
-    in pkgs.linkFarm "notmuch-hooks" [
-      { name = "post-new";
-        path = afewHook;
-      }
-      { name = "post-insert";
-        path = afewHook;
-      }
-    ];
-  notmuchWrapped = pkgs.runCommand "${pkgs.notmuch.name}-wrapped-${config.home.username}"
-    { nativeBuildInputs = with pkgs; [ makeWrapper ];
-    } ''
-      mkdir -p $out/bin
-      makeWrapper ${pkgs.notmuch}/bin/notmuch $out/bin/notmuch-feeds \
-        --set NOTMUCH_CONFIG ${configPath}
-    '';
-  alotWrapped = pkgs.runCommand "${pkgs.alot.name}-wrapped-${config.home.username}"
-    { nativeBuildInputs = with pkgs; [ makeWrapper gnused ];
-    } ''
-      mkdir -p $out/bin
-      makeWrapper ${pkgs.alot}/bin/alot $out/bin/alot-feeds \
-        --prefix MAILCAPS : ${alotMailcaps} \
-        --add-flags --config=${alotConfig} \
-        --add-flags --notmuch-config=${configPath}
-      mkdir $out/share
-      ln -s ${pkgs.alot}/share/alot $out/share
-      mkdir -p $out/share/applications
-      sed -r 's/alot/alot-feeds/g' ${pkgs.alot}/share/applications/alot.desktop > $out/share/applications/alot-feeds.desktop
-      mkdir -p $out/share/zsh/site-functions
-      sed -r 's/alot/alot-feeds/g' ${pkgs.alot}/share/zsh/site-functions/_alot > $out/share/zsh/site-functions/_alot-feeds
-    '';
-  alotConfig = pkgs.runCommand "alot" {
-    realname = notmuchIni.user.name;
-    address = notmuchIni.user.primary_email;
-  } "substituteAll ${./alot.config} $out";
-  alotMailcaps = pkgs.writeText "mailcaps" ''
-    text/html; ${pkgs.lynx}/bin/lynx -dump -dont_wrap_pre -assume_charset=utf-8 -display_charset=utf-8 "%s"; nametemplate=%s.html; copiousoutput
-  '';
-in {
-  config = {
-    home.packages = [ immWrapped notmuchWrapped pkgs.notmuch.man alotWrapped ];
-    home.activation.createImm = hm.dag.entryAfter ["writeBoundary"] ''
-      $DRY_RUN_CMD mkdir -p $VERBOSE_ARG ${config.xdg.configHome}/imm
-    '';
-    
-    home.activation.createFeedsDatabase = hm.dag.entryAfter ["linkGeneration" "writeBoundary"] ''
-      $DRY_RUN_CMD mkdir -p -m 0750 $VERBOSE_ARG ${databasePath}
-      $DRY_RUN_CMD mkdir -p $VERBOSE_ARG ${databasePath}/new ${databasePath}/cur ${databasePath}/tmp
-      if ! [[ -d ${databasePath}/.notmuch ]]; then
-          NOTMUCH_VERBOSE_ARG="--quiet"
-          if [[ -v VERBOSE ]]; then
-            NOTMUCH_VERBOSE_ARG="--verbose"
-          fi
-          NOTMUCH_CONFIG=${configPath} $DRY_RUN_CMD ${pkgs.notmuch}/bin/notmuch new $NOTMUCH_VERBOSE_ARG
-      fi
-      $DRY_RUN_CMD ln -Tsf $VERBOSE_ARG ${notmuchHooksDir} ${databasePath}/.notmuch/hooks
-    '';
-    systemd.user.services."logrotate-imm" = {
-      Unit = {
-        Description = "Rotate imm logfile";
-      };
-      Service = {
-        Type = "oneshot";
-        ExecStart = ''
-          ${pkgs.logrotate}/bin/logrotate --state ${config.xdg.configHome}/imm/imm.logrotate ${pkgs.writeText "logrotate.conf" ''
-            ${config.xdg.configHome}/imm/imm.log {
-                rotate 5
-                size 1024k
-            }
-          ''}
-        '';
-      };
-    };
-    systemd.user.timers."logrotate-imm" = {
-      Timer = {
-        OnActiveSec = "6h";
-        OnUnitActiveSec = "6h";
-      };
-      Install = {
-        WantedBy = ["default.target"];
-      };
-    };
-  };
-}
diff --git a/user-profiles/tmux/default.nix b/user-profiles/tmux/default.nix
index 11c53788..dc4e791f 100644
--- a/user-profiles/tmux/default.nix
+++ b/user-profiles/tmux/default.nix
@@ -1,10 +1,11 @@
 { userName, pkgs, lib, ... }:
 {
-  home-manager.users.${userName} = {
+  home-manager.users.${userName} = { config, ... }: {
    programs.tmux = {
      enable = true;
      clock24 = true;
      historyLimit = 50000;
+      mouse = true;
      extraConfig = lib.readFile (pkgs.stdenv.mkDerivation {
        name = "tmux.conf";
        src = ./tmux.conf;
@@ -13,11 +14,10 @@
        phases = [ "installPhase" ];
-        inherit (pkgs) zsh;
-        mandb = pkgs.man-db;
-        
        installPhase = ''
-          substituteAll $src $out
+          substitute $src $out \
+            --subst-var-by zsh ${config.programs.zsh.package} \
+            --subst-var-by man ${config.programs.man.package}
        '';
      });
    };
diff --git a/user-profiles/tmux/tmux.conf b/user-profiles/tmux/tmux.conf
index 415d13e7..9e658800 100644
--- a/user-profiles/tmux/tmux.conf
+++ b/user-profiles/tmux/tmux.conf
@@ -1,23 +1,20 @@
-set-option -g history-limit 50000
 set-option -g status-bg black
 set-option -g status-fg white
 set-option -g clock-mode-colour white
-set-option -g clock-mode-style 24
 set-option -g bell-action any
-set-option -g default-shell @zsh@/bin/zsh
+set-option -g default-shell @zsh@
 set-option -g update-environment 'DISPLAY SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID SSH_CONNECTION WINDOWID XAUTHORITY PROMPT_INFO PATH PGHOST PGLOG'
-set-option -g mouse on
 set-option -g set-clipboard on
 set-option -g terminal-overrides 'rxvt-uni*:XT:Ms=\E]52;%p1%s;%p2%s\007'
 set-environment -g LESS " -R "
 ## determine if we should enable 256-colour support
-if "[[ ''${TERM} =~ 256color || ''${TERM} == fbterm || ''${TERM} =~ alacritty ]]" 'set -g default-terminal tmux-256color'
+if "[[ ''${TERM} =~ 256color || ''${TERM} == fbterm || ''${TERM} =~ alacritty || ''${TERM} =~ kitty ]]" 'set -g default-terminal tmux-256color'
 set-option -g status-right ""
-bind / command-prompt "split-window -h 'exec @mandb@/bin/man %%'"
+bind / command-prompt "split-window -h 'exec @man@ %%'"
 bind C clock-mode
 bind r switch-client -r
diff --git a/user-profiles/utils.nix b/user-profiles/utils.nix
index 13eb6033..da79e336 100644
--- a/user-profiles/utils.nix
+++ b/user-profiles/utils.nix
@@ -1,19 +1,6 @@
 { userName, lib, pkgs, config, ... }:
 let
  cfg = config.home-manager.users.${userName};
-  wrappedLess = pkgs.less.overrideAttrs (oldAttrs: {
-    pname = "${oldAttrs.pname or "less"}-wrapper";
-    nativeBuildInputs = (oldAttrs.nativeBuildInputs or []) ++ (with pkgs; [makeWrapper]);
-    postInstall = ''
-      ${oldAttrs.postInstall or ""}
-      wrapProgram $out/bin/less \
-        --prefix PATH : ${lib.makeBinPath (with pkgs; [binutils])}
-    '';
-  });
 in {
  home-manager.users.${userName} = {
    programs = {
@@ -55,19 +42,23 @@ in {
      };
      jq.enable = true;
+      lesspipe.enable = true;
+      man.enable = true;
    };
    home.sessionVariables = {
-      LESSCOLORIZER = "pygmentize -O style=rrt";
+      LESSCOLORIZER = "${lib.getExe' pkgs.python3Packages.pygments "pygmentize"} -O style=rrt";
    };
    home.packages = with pkgs; [
      autossh usbutils pciutils eza silver-searcher pwgen xkcdpass
-      unzip magic-wormhole qrencode tty-clock dnsutils openssl sshfs
+      unzip magic-wormhole dnsutils openssl sshfs
      psmisc mosh tree vnstat file pv bc zip nmap aspell
      aspellDicts.de aspellDicts.en borgbackup man-pages rsync socat
      inetutils yq cached-nix-shell persistent-nix-shell rage
-      smartmontools hdparm nix-output-monitor wrappedLess dscp
+      smartmontools hdparm nix-output-monitor less dscp
      iputils
    ];
  };
diff --git a/user-profiles/zsh/default.nix b/user-profiles/zsh/default.nix
index 428e2459..ab523a52 100644
--- a/user-profiles/zsh/default.nix
+++ b/user-profiles/zsh/default.nix
@@ -1,38 +1,72 @@
 { userName, pkgs, customUtils, lib, config, ... }:
-let
+{
-  dotDir = ".config/zsh";
+  config = {
-  p10kZsh = "${dotDir}/.p10k.zsh";
+    home-manager.users.${userName} = let sysConfig = config; in { config, ... }: {
-  cfg = config.home-manager.users.${userName};
+      config = {
-in {
+        programs.zsh = {
-  home-manager.users.${userName} = {
+          dotDir = ".config/zsh";
-    programs.zsh = {
+          enable = true;
-      inherit dotDir;
+          autocd = true;
-      enable = true;
+          enableCompletion = true;
-      autocd = true;
+          enableVteIntegration = true;
-      enableCompletion = true;
+          history = {
+            append = true;
+            expireDuplicatesFirst = true;
+            extended = true;
+            findNoDups = true;
+          };
+          syntaxHighlighting.enable = true;
+          zsh-abbr = {
+            enable = true;
+            abbreviations = {
+              re = "systemctl restart";
+              ure = "systemctl --user restart";
+              st = "systemctl status";
+              ust = "systemctl --user status";
+            };
+            globalAbbreviations = {
+              "L" = "| less";
+              "S" = "&> /dev/null";
+              "G" = "| grep";
+              "B" = "&> /dev/null &";
+              "BB" = "&> /dev/null &!";
+              "J" = lib.mkIf config.programs.jq.enable "| jq '.'";
+            };
+          };
-      plugins = [
+          plugins = [
-        { name = "powerlevel10k";
+            { name = "powerlevel10k";
-          file = "share/zsh-powerlevel10k/powerlevel10k.zsh-theme";
+              file = "share/zsh-powerlevel10k/powerlevel10k.zsh-theme";
-          src = pkgs.zsh-powerlevel10k;
+              src = pkgs.zsh-powerlevel10k;
-        }
+            }
-      ];
+          ];
-      initExtraFirst = ''
+          initContent = lib.mkMerge [
-        if [[ $TERM == "dumb" ]]; then
+            (lib.mkBefore ''
-          unsetopt zle
+              if [[ $TERM == "dumb" ]]; then
-          PS1='$ '
+                unsetopt zle
-          return
+                PS1='$ '
-        fi
+                return
-      '';
+              fi
-      initExtraBeforeCompInit = ''
+            '')
-        source "${cfg.home.homeDirectory}/${p10kZsh}"
+            (lib.mkOrder 550 ''
-      '';
+              source "$HOME/${config.xdg.configFile."zsh/.p10k.zsh".target}"
-      initExtra = lib.mkAfter ''
+            '')
-        source ${./zshrc}
+            (lib.mkAfter ''
-        source "${pkgs.zsh-syntax-highlighting}/share/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh"
+              source ${./zshrc}
-      '';
+            '')
+          ];
+        };
+        xdg.configFile."zsh/.p10k.zsh".source = ./p10k.zsh;
+      };
    };
-    home.file.${p10kZsh}.source = ./p10k.zsh;
+    programs.zsh.enable = true;
+    environment.pathsToLink = [ "/share/zsh" ];
+    environment.shellAliases = lib.mkOverride 90 {};
+    nixpkgs.externalConfig.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+      "zsh-abbr"
+    ];
  };
 }
diff --git a/user-profiles/zsh/zshrc b/user-profiles/zsh/zshrc
index ed614182..af3aca64 100644
--- a/user-profiles/zsh/zshrc
+++ b/user-profiles/zsh/zshrc
@@ -33,9 +33,3 @@ zle -N self-insert url-quote-magic
 zle -N bracketed-paste bracketed-paste-magic
 setopt extended_glob
-alias -g L='| less'
-alias -g S='&> /dev/null'
-alias -g G='| grep'
-alias -g B='&> /dev/null &'
-alias -g BB='&> /dev/null &!'
diff --git a/users/gkleen/default.nix b/users/gkleen/default.nix
index 5cc32521..5ce93de7 100644
--- a/users/gkleen/default.nix
+++ b/users/gkleen/default.nix
@@ -1,7 +1,7 @@
 { flake, userName, pkgs, customUtils, lib, ... }:
 {
  imports = with flake.nixosModules.userProfiles.${userName}; [
-    zsh tmux utils direnv
+    utils direnv
  ];
  users.users.${userName} = {
diff --git a/users/root.nix b/users/root.nix
index b61f9cfd..ed1acd50 100644
--- a/users/root.nix
+++ b/users/root.nix
@@ -3,7 +3,7 @@ let
  haveGKleen = flake.nixosModules.accounts ? "gkleen@${hostName}";
 in {
  imports = with flake.nixosModules.userProfiles.${userName}; [
-    zsh tmux direnv utils
+    direnv utils
  ];
  users.users.${userName} = lib.mkIf haveGKleen {