70 files changed, 2091 insertions, 1097 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 be1e12e9..d98f141f 100644
--- a/_sources/generated.json
+++ b/_sources/generated.json
@@ -486,10 +486,10 @@
         "pinned": false,
         "src": {
             "name": null,
-            "sha256": "sha256-0BNn0MOulONcseLsy3p8cOGBxMpEj07iN08mSJ0mNgM=",
+            "sha256": "sha256-6nOFTF2rwSTymjWo+um8XUIu8yMb6+6ivfqCrBkanCk=",
             "type": "url",
-            "url": "https://pypi.org/packages/source/y/yt_dlp/yt_dlp-2025.4.30.tar.gz"
+            "url": "https://pypi.org/packages/source/y/yt_dlp/yt_dlp-2025.5.22.tar.gz"
         },
-        "version": "2025.4.30"
+        "version": "2025.5.22"
     }
 }
\ No newline at end of file
diff --git a/_sources/generated.nix b/_sources/generated.nix
index ff85bc0d..3bf73fed 100644
--- a/_sources/generated.nix
+++ b/_sources/generated.nix
@@ -294,10 +294,10 @@
   };
   yt-dlp = {
     pname = "yt-dlp";
-    version = "2025.4.30";
+    version = "2025.5.22";
     src = fetchurl {
-      url = "https://pypi.org/packages/source/y/yt_dlp/yt_dlp-2025.4.30.tar.gz";
-      sha256 = "sha256-0BNn0MOulONcseLsy3p8cOGBxMpEj07iN08mSJ0mNgM=";
+      url = "https://pypi.org/packages/source/y/yt_dlp/yt_dlp-2025.5.22.tar.gz";
+      sha256 = "sha256-6nOFTF2rwSTymjWo+um8XUIu8yMb6+6ivfqCrBkanCk=";
     };
   };
 }
diff --git a/accounts/gkleen@sif/default.nix b/accounts/gkleen@sif/default.nix
index 36a81f83..706eb241 100644
--- a/accounts/gkleen@sif/default.nix
+++ b/accounts/gkleen@sif/default.nix
@@ -71,6 +71,7 @@ in {
       imports = [
         ./libvirt
         ./niri
+        ./synadm
         flakeInputs.nix-index-database.hmModules.nix-index
         flakeInputs.impermanence.nixosModules.home-manager.impermanence
       ];
@@ -282,6 +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;
@@ -317,12 +328,11 @@ 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";
           };
-          extraConfig = ''
-            envinclude KITTY_CONF_*
-          '';
         };
         fuzzel = {
           enable = true;
@@ -334,7 +344,7 @@ in {
               font = "Fira Sans";
             };
             colors = {
-              background = "000000aa";
+              background = "000000cc";
               text = "cdd6f4ff";
               match = "94e2d5ff";
               selection = "585b70ff";
@@ -355,6 +365,7 @@ in {
           enable = true;
           settings.show_banner = false;
         };
+        fd.enable = true;
       };
 
       services = {
@@ -480,6 +491,13 @@ in {
         };
       };
 
+      qt.kde.settings = {
+        kwalletrc = {
+          KSecretD.Enabled = false;
+          Wallet."Default Wallet" = "store";
+        };
+      };
+
       xsession.preferStatusNotifierItems = true;
 
       xresources.properties = import ./xresources.nix;
@@ -499,8 +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]))
-          libation
-          # synadm
+          libation libqalculate
         ] ++ mapAttrsToList (_name: pkg: pkgs.callPackage pkg {}) (customUtils.nixImport { dir = ./utils; });
 
         file = {
@@ -523,6 +540,7 @@ in {
           STACK_XDG = 1;
           EDITOR = lib.getExe' editor "emacsclient";
           RCLONE_PASSWORD_COMMAND = "${lib.getExe' pkgs.libsecret "secret-tool"} lookup service rclone";
+          SYSTEMD_TINT_BACKGROUND = "false";
         };
 
         extraProfileCommands = ''
@@ -559,9 +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
@@ -579,6 +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;
@@ -666,10 +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 {
@@ -680,6 +708,42 @@ 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";
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 af1af07a..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;
@@ -416,7 +449,7 @@ in {
           { title = "^Access Request.*"; }
           { title = ".*Passkey credentials$"; }
         ];
-        windowRuleExtra = [
+        windowRuleExtra = with kdl; [
           (kdl.leaf "open-focused" false)
         ];
         key = "Mod+Control+P";
@@ -444,6 +477,20 @@ in {
         app-id = "com.github.wwmm.easyeffects";
         spawn = [ "easyeffects" ];
       }
+      { name = "time";
+        key = "Mod+Control+K";
+        app-id = "chrome-kimai.yggdrasil.li__-Default";
+        spawn = [ (toString (pkgs.resholve.writeScript "kimai" {
+          interpreter = pkgs.runtimeShell;
+          inputs = [ pkgs.dex ];
+          execer = [ "cannot:${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
@@ -500,6 +547,9 @@ in {
             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" [
@@ -614,7 +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)
           ])
@@ -643,7 +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" [
@@ -662,6 +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$"; })
             (plain "default-column-width" [(leaf "proportion" 1.)])
           ])
@@ -761,12 +816,12 @@ in {
                         done < <(export LC_ALL=C.UTF-8; echo; find "$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 "$QALC_RES" ]] || exit 1
@@ -786,11 +841,26 @@ in {
                       notify-send "$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
                     '';
@@ -851,7 +921,7 @@ in {
                   "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;
@@ -923,13 +993,20 @@ in {
                   "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 810bff89..eba26caa 100644
--- a/accounts/gkleen@sif/niri/mako.nix
+++ b/accounts/gkleen@sif/niri/mako.nix
@@ -25,6 +25,7 @@
           ignore-timeout = true;
           default-timeout = 2000;
         };
+        "app-name=worktime".history = false;
         "mode=silent".invisible = true;
       };
       package = pkgs.symlinkJoin {
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/flake.lock b/flake.lock
index 64091d39..cab6ae5f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -397,11 +397,11 @@
         "xwayland-satellite-unstable": "xwayland-satellite-unstable"
       },
       "locked": {
-        "lastModified": 1747115632,
-        "narHash": "sha256-SypEtZQsum43HvIT4HqM1RH8CE3wCWFIO5b5IqC/2FA=",
+        "lastModified": 1747638609,
+        "narHash": "sha256-rPTN667tMqC1IQYgsnotVfXbVNbOzScxn0ontMkkSPk=",
         "owner": "sodiboo",
         "repo": "niri-flake",
-        "rev": "44eeba852a6671ab1c7be5ca65a58c49794cef4b",
+        "rev": "af697f3a8665c8d0770485a2e659ddde88430e3b",
         "type": "github"
       },
       "original": {
@@ -431,11 +431,11 @@
     "niri-unstable": {
       "flake": false,
       "locked": {
-        "lastModified": 1747113435,
-        "narHash": "sha256-9oU1mKAM2BZLSots136UA75RIed53YtYgns9TUkr3ck=",
+        "lastModified": 1747635487,
+        "narHash": "sha256-za7ctGh4MaW1h5Drm1WtwNZxiXvQK9yXZAeeIyY9b2Q=",
         "owner": "YaLTeR",
         "repo": "niri",
-        "rev": "6d083ea49741d6e8e85d5a1d6b6bcaa837d3b5c0",
+        "rev": "3f2b7e63ba15cf33475116d32e8b7d22208a8438",
         "type": "github"
       },
       "original": {
@@ -472,11 +472,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1746934494,
-        "narHash": "sha256-3n6i+F0sDASjkhbvgFDpPDZGp7z19IrRtjfF9TwJpCA=",
+        "lastModified": 1747540584,
+        "narHash": "sha256-cxCQ413JTUuRv9Ygd8DABJ1D6kuB/nTfQqC0Lu9C0ls=",
         "owner": "Mic92",
         "repo": "nix-index-database",
-        "rev": "e9b21b01e4307176b9718a29ac514838e7f6f4ff",
+        "rev": "ec179dd13fb7b4c6844f55be91436f7857226dce",
         "type": "github"
       },
       "original": {
@@ -514,11 +514,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1741549407,
-        "narHash": "sha256-f9SXK+/rvlryDNlc++Eva/hYjbkf7OCalWwmwifRhtI=",
+        "lastModified": 1747637556,
+        "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": 1747083103,
-        "narHash": "sha256-dMx20S2molwqJxbmMB4pGjNfgp5H1IOHNa1Eby6xL+0=",
+        "lastModified": 1747129300,
+        "narHash": "sha256-L3clA5YGeYCF47ghsI7Tcex+DnaaN/BbQ4dR2wzoiKg=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "d1d68fe8b00248caaa5b3bbe4984c12b47e0867d",
+        "rev": "e81fd167b33121269149c57806599045fd33eeed",
         "type": "github"
       },
       "original": {
@@ -651,11 +651,11 @@
     },
     "nixpkgs-stable_2": {
       "locked": {
-        "lastModified": 1746957726,
-        "narHash": "sha256-k9ut1LSfHCr0AW82ttEQzXVCqmyWVA5+SHJkS5ID/Jo=",
+        "lastModified": 1747485343,
+        "narHash": "sha256-YbsZyuRE1tobO9sv0PUwg81QryYo3L1F3R3rF9bcG38=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a39ed32a651fdee6842ec930761e31d1f242cb94",
+        "rev": "9b5ac7ad45298d58640540d0323ca217f32a6762",
         "type": "github"
       },
       "original": {
@@ -699,11 +699,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1746904237,
-        "narHash": "sha256-3e+AVBczosP5dCLQmMoMEogM57gmZ2qrVSrmq9aResQ=",
+        "lastModified": 1747542820,
+        "narHash": "sha256-GaOZntlJ6gPPbbkTLjbd8BMWaDYafhuuYRNrxCGnPJw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d89fc19e405cb2d55ce7cc114356846a0ee5e956",
+        "rev": "292fa7d4f6519c074f0a50394dbbe69859bb6043",
         "type": "github"
       },
       "original": {
@@ -962,11 +962,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1746485181,
-        "narHash": "sha256-PxrrSFLaC7YuItShxmYbMgSuFFuwxBB+qsl9BZUnRvg=",
+        "lastModified": 1747603214,
+        "narHash": "sha256-lAblXm0VwifYCJ/ILPXJwlz0qNY07DDYdLD+9H+Wc8o=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "e93ee1d900ad264d65e9701a5c6f895683433386",
+        "rev": "8d215e1c981be3aa37e47aeabd4e61bb069548fd",
         "type": "github"
       },
       "original": {
@@ -1037,11 +1037,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1746649034,
-        "narHash": "sha256-gmv+ZiY3pQnwgI0Gm3Z1tNSux1CnOJ0De+xeDOol1+0=",
+        "lastModified": 1747441483,
+        "narHash": "sha256-W8BFXk5R0TuJcjIhcGoMpSOaIufGXpizK0pm+uTqynA=",
         "owner": "pyproject-nix",
         "repo": "uv2nix",
-        "rev": "fe540e91c26f378c62bf6da365a97e848434d0cd",
+        "rev": "582024dc64663e9f88d467c2f7f7b20d278349de",
         "type": "github"
       },
       "original": {
@@ -1060,16 +1060,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1742140394,
-        "narHash": "sha256-U1Lp5HZbpnWQRetOLzQl3dURplY2BRfAZYkjBawYrVM=",
+        "lastModified": 1747383113,
+        "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"
       }
diff --git a/flake.nix b/flake.nix
index 0745d37c..20ab9f7e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -187,7 +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";
@@ -363,7 +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;
@@ -375,6 +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 = {
@@ -398,7 +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 f4de24e8..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
@@ -130,6 +130,12 @@ in {
       useNetworkd = true;
     };
 
+    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
@@ -372,19 +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;
@@ -403,8 +396,8 @@ in {
 
       logind = {
         lidSwitch = "suspend";
-        lidSwitchDocked = "lock";
-        lidSwitchExternalPower = "lock";
+        lidSwitchDocked = "ignore";
+        lidSwitchExternalPower = "ignore";
       };
 
       atd = {
@@ -610,25 +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%";
@@ -688,7 +662,7 @@ in {
       directories = [
         "/nix"
         "/root"
-        "/home"
+        "/home"
         "/var/log"
         "/var/lib/sops-nix"
         "/var/lib/nixos"
@@ -699,8 +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 = [
       ];
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/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 d420040a..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 ./audiobookshelf.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 7aa3fb00..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" "audiobookshelf.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/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     ( 
-  "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=="
-)
+ymir._domainkey         IN      CNAME   ymir._domainkey.yggdrasil.li.
 
 _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     ( 
-  "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=="
-)
+ymir._domainkey         IN      CNAME   ymir._domainkey.yggdrasil.li.
+surtr._domainkey        IN      CNAME   surtr._domainkey.yggdrasil.li.
 
 _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     ( 
-  "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=="
-)
+ymir._domainkey         IN      CNAME   ymir._domainkey.yggdrasil.li.
+surtr._domainkey        IN      CNAME   surtr._domainkey.yggdrasil.li.
 
 _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 7273827b..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 (
-  2025050900 ; serial
+  2025060700 ; serial
   10800      ; refresh
   3600       ; retry
   604800     ; expire
@@ -101,12 +101,22 @@ _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     ( 
-  "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=="
-)
+ymir._domainkey         IN      CNAME   ymir._domainkey.yggdrasil.li.
+surtr._domainkey        IN      CNAME   surtr._domainkey.yggdrasil.li.
 
 _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:
-                        logger.debug('Received result: %s', record)
-                        allowed = True
+
+                    if relay_eligible:
+                        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})
+                        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 845f6455..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" ''
-    #!${pkgs.zsh}/bin/zsh
-
+  nftables-nologin-script = pkgs.resholve.writeScript "nftables-mail-nologin" {
+    inputs = with pkgs; [inetutils nftables gnugrep findutils];
+    interpreter = lib.getExe pkgs.zsh;
+  } ''
     set -e
-    export PATH="${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";
@@ -251,11 +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" = {
@@ -280,7 +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"
@@ -310,7 +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"
@@ -373,7 +403,7 @@ in {
       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
@@ -672,7 +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
 
@@ -692,7 +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;
@@ -777,7 +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
       '';
 
@@ -844,15 +874,16 @@ in {
               charset utf-8;
               source_charset utf-8;
             '';
-            root = pkgs.runCommand "mta-sts.${domain}" {} ''
-              mkdir -p $out/.well-known
-              cp ${pkgs.writeText "mta-sts.${domain}.txt" ''
+            root = pkgs.writeTextFile {
+              name = "mta-sts.${domain}";
+              destination = "/.well-known/mta-sts.txt";
+              text = ''
                 version: STSv1
                 mode: enforce
                 max_age: 2419200
                 mx: mailin.${domain}
-              ''} $out/.well-known/mta-sts.txt
-            '';
+              '';
+            };
           };
       }) emailDomains);
     };
@@ -869,7 +900,7 @@ in {
     systemd.services.spm = {
       serviceConfig = {
         Type = "notify";
-        ExecStart = "${pkgs.spm}/bin/spm-server";
+        ExecStart = getExe' pkgs.spm "spm-server";
         User = "spm";
         Group = "spm";
 
@@ -927,7 +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"
@@ -960,6 +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'" },
+]
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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/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/vidhar/default.nix b/hosts/vidhar/default.nix
index c9470ee9..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 ./audiobookshelf
+    ./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
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/ruleset.nft b/hosts/vidhar/network/ruleset.nft
index 6b0ac9fc..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 {}
 
@@ -95,6 +96,7 @@ table inet filter {
   counter paperless-rx {}
   counter hledger-rx {}
   counter audiobookshelf-rx {}
+  counter kimai-rx {}
 
   counter established-rx {}
 
@@ -127,6 +129,7 @@ table inet filter {
   counter paperless-tx {}
   counter hledger-tx {}
   counter audiobookshelf-tx {}
+  counter kimai-tx {}
 
   counter tx {}
 
@@ -150,8 +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
@@ -266,7 +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
@@ -274,7 +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/prometheus/default.nix b/hosts/vidhar/prometheus/default.nix
index b1d90d47..094f9f7a 100644
--- a/hosts/vidhar/prometheus/default.nix
+++ b/hosts/vidhar/prometheus/default.nix
@@ -27,6 +27,7 @@ in {
 
       extraFlags = [
         "--web.enable-remote-write-receiver"
+        "--storage.tsdb.retention.size=35GB"
       ];
 
       exporters = {
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
index 2532cfc3..f526a434 100644
--- a/modules/abs-podcast-autoplaylist.nix
+++ b/modules/abs-podcast-autoplaylist.nix
@@ -37,6 +37,7 @@ in {
           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}" {
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/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/overlays/abs-podcast-autoplaylist/default.nix b/overlays/abs-podcast-autoplaylist/default.nix
index 075e0ba0..843f1b65 100644
--- a/overlays/abs-podcast-autoplaylist/default.nix
+++ b/overlays/abs-podcast-autoplaylist/default.nix
@@ -1,23 +1,14 @@
-{ prev, final, flakeInputs, ... }:
-
-with flakeInputs;
+{ prev, final, flake, flakeInputs, ... }:
 
 let
-  workspace = uv2nix.lib.workspace.loadWorkspace { workspaceRoot = ./.; };
-  overlay = workspace.mkPyprojectOverlay {
-    sourcePreference = "wheel";
+  workspace = flakeInputs.uv2nix.lib.workspace.loadWorkspace { workspaceRoot = ./.; };
+  pythonSet = flake.lib.pythonSet {
+    pkgs = final;
+    python = final.python312;
+    overlay = workspace.mkPyprojectOverlay {
+      sourcePreference = "wheel";
+    };
   };
-  python = final.python312;
-  pythonSet =
-    (final.callPackage pyproject-nix.build.packages {
-      inherit python;
-    }).overrideScope
-      (
-        prev.lib.composeManyExtensions [
-          pyproject-build-systems.overlays.default
-          overlay
-        ]
-      );
   virtualEnv = pythonSet.mkVirtualEnv "abs-podcast-autoplaylist-env" workspace.deps.default;
 in {
   abs-podcast-autoplaylist = virtualEnv.overrideAttrs (oldAttrs: {
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: {
-        nativeBuildInputs = (oldAttrs.nativeBuildInputs or []) ++ [final.makeWrapper];
-        preFixup = ''
+      deploy-rs = prev.symlinkJoin {
+        name = "${prev.deploy-rs.deploy-rs.name}-wrapped";
+        paths = [ prev.deploy-rs.deploy-rs ];
+        buildInputs = [ prev.makeWrapper ];
+        postBuild = ''
           wrapProgram $out/bin/deploy \
             --prefix PATH : ${prev.lib.makeBinPath (with final; [ nix-monitored ])}
         '';
-      });
+      };
     };
   })
   final prev
diff --git a/overlays/uucp/default.nix b/overlays/uucp/default.nix
deleted file mode 100644
index 4189dbcc..00000000
--- a/overlays/uucp/default.nix
+++ /dev/null
@@ -1,9 +0,0 @@
-{ final, prev, ... }: {
-  uucp = prev.uucp.overrideAttrs (oldAttrs: {
-    configureFlags = (oldAttrs.configureFlags or []) ++ ["--with-newconfigdir=/etc/uucp"];
-    patches = (oldAttrs.patches or []) ++ [
-      ./mailprogram.patch
-    ];
-    NIX_CFLAGS_COMPILE = "${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" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/14/cc/a436f0fc2d04e57a0697e0f87a03b9eaed03ad043d2d5f887f8eebcec95f/asyncclick-8.1.8-py3-none-any.whl", hash = "sha256:eb1ccb44bc767f8f0695d592c7806fdf5bd575605b4ee246ffd5fadbcfdbd7c6", size = 99093, upload-time = "2025-01-06T09:46:51.046Z" },
+    { 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" },
+]
+
+[[package]]
+name = "asyncio"
+version = "3.4.3"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/da/54/054bafaf2c0fb8473d423743e191fcdf49b2c1fd5e9af3524efbe097bafd/asyncio-3.4.3.tar.gz", hash = "sha256:83360ff8bc97980e4ff25c964c7bd3923d333d177aa4f7fb736b019f26c7cb41", size = 204411, upload-time = "2015-03-10T14:11:26.494Z" }
+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" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/d1/d6/3965ed04c63042e047cb6a3e6ed1a63a35087b6a609aa3a15ed8ac56c221/colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6", size = 25335, upload-time = "2022-10-25T02:36:20.889Z" },
+]
+
+[[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 = [
+    { url = "https://files.pythonhosted.org/packages/d2/fc/c0a3f4c4eaa5a22fbef91713474666e13d0ea2a69c84532579490a9f2cc8/dbus_next-0.2.3-py3-none-any.whl", hash = "sha256:58948f9aff9db08316734c0be2a120f6dc502124d9642f55e90ac82ffb16a18b", size = 57885, upload-time = "2021-07-25T22:11:25.466Z" },
+]
+
+[[package]]
+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 = [
+    { url = "https://files.pythonhosted.org/packages/76/c6/c88e154df9c4e1a2a66ccf0005a88dfb2650c1dffb6f5ce603dfbd452ce3/idna-3.10-py3-none-any.whl", hash = "sha256:946d195a0d259cbba61165e88e65941f16e9b36ea6ddb97f00452bae8b1287d3", size = 70442, upload-time = "2024-09-15T18:07:37.964Z" },
+]
+
+[[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 = [
+    { url = "https://files.pythonhosted.org/packages/e9/44/75a9c9421471a6c4805dbf2356f7c181a29c1879239abab1ea2cc8f38b40/sniffio-1.3.1-py3-none-any.whl", hash = "sha256:2f6da418d1f1e0fddd844478f41680e794e6051915791a034ff65e5f100525a2", size = 10235, upload-time = "2024-02-25T23:20:01.196Z" },
+]
+
+[[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;
-
-{
-  worktime = mkPoetryApplication {
-    python = prev.python312;
-
-    projectDir = cleanPythonSources { src = ./.; };
-
-    meta.mainProgram = "worktime";
+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 "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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-packaging = ["build", "setuptools (>=61.2)", "setuptools-scm[toml] (>=6.0)", "twine"]
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-
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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]
+[project]
 name = "worktime"
-version = "0.1.0"
-description = ""
-authors = ["Gregor Kleen <gkleen@yggdrasil.li>"]
+version = "1.0.0"
+requires-python = "~=3.12"
+dependencies = [
+    "pyxdg>=0.28,<0.29",
+    "python-dateutil>=2.9.0.post0,<3",
+    "uritools>=4.0.3,<5",
+    "requests>=2.32.3,<3",
+    "tabulate>=0.9.0,<0.10",
+    "toml>=0.10.2,<0.11",
+    "jsonpickle>=4.0.5,<5",
+    "frozendict>=2.4.6",
+    "atomicwriter>=0.2.5",
+    "desktop-notify>=1.3.3",
+]
 
-[tool.poetry.dependencies]
-python = "^3.12"
-pyxdg = "^0.28"
-python-dateutil = "^2.9.0.post0"
-uritools = "^4.0.3"
-requests = "^2.32.3"
-tabulate = "^0.9.0"
-backoff = "^2.2.1"
-toml = "^0.10.2"
-jsonpickle = "^4.0.5"
-
-[tool.poetry.scripts]
+[project.scripts]
 worktime = "worktime.__main__:main"
+worktime-ui = "worktime.__main__:ui"
+worktime-stop = "worktime.__main__:stop"
 
 [build-system]
-requires = ["poetry-core"]
-build-backend = "poetry.core.masonry.api"
\ No newline at end of file
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[dependency-groups]
+dev = []
diff --git a/overlays/worktime/uv.lock b/overlays/worktime/uv.lock
new file mode 100644
index 00000000..39de4ccf
--- /dev/null
+++ b/overlays/worktime/uv.lock
@@ -0,0 +1,248 @@
+version = 1
+revision = 2
+requires-python = ">=3.12, <4"
+
+[[package]]
+name = "atomicwriter"
+version = "0.2.5"
+source = { registry = "https://pypi.org/simple" }
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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):
-    TOGGL = '/api/v9'
-    REPORTS = '/reports/api/v2'
-
-class TogglAPIError(Exception):
-    def __init__(self, response, *, http_error=None):
-        self.http_error = http_error
-        self.response = response
-
-    def __str__(self):
-        if not self.http_error is None:
-            return str(self.http_error)
-        else:
-            return self.response.text
-
-class TogglAPI(object):
-    def __init__(self, api_token, workspace_id, client_ids):
-        self._api_token = api_token
-        self._workspace_id = workspace_id
-        self._client_ids = set(map(int, client_ids.split(','))) if client_ids else None
-
-    def _make_url(self, api=TogglAPISection.TOGGL, section=['me', 'time_entries', 'current'], params={}):
-        if api is TogglAPISection.REPORTS:
-          params.update({'user_agent': 'worktime', 'workspace_id': self._workspace_id})
-
-        api_path = api.value
-        section_path = '/'.join(section)
-        uri = uricompose(scheme='https', host='api.track.toggl.com', path=f"{api_path}/{section_path}", query=params)
-
-        return uri
-
-    def _query(self, url, method):
-        response = self._raw_query(url, method)
-        response.raise_for_status()
-        return response
-
-    @backoff.on_predicate(
-        backoff.expo,
-        factor=0.1, max_value=2,
-        predicate=lambda r: r.status_code == 429,
-        max_time=10,
-    )
-    def _raw_query(self, url, method):
-        headers = {'content-type': 'application/json', 'accept': 'application/json'}
-        response = None
-
-        if method == 'GET':
-            response = requests.get(url, headers=headers, auth=HTTPBasicAuth(self._api_token, 'api_token'))
-        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
+import asyncio
+
+from frozendict import frozendict
+from contextlib import closing
+import os
+from time import clock_gettime_ns, CLOCK_MONOTONIC
+from atomicwriter import AtomicWriter
+import desktop_notify.aio as notify
+
+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 KimaiSession(requests.Session):
+    def __init__(self, base_url: str, api_token: str):
+        super().__init__()
+        self.base_url = base_url
+        self.auth = BearerAuth(api_token)
+        retries = Retry(total=5, backoff_factor=0.1, status_forcelist=[500, 502, 503, 504])
+        super().mount(base_url, HTTPAdapter(max_retries=retries))
+
+    def request(self, method, url, *args, **kwargs):
+        joined_url = urljoin(self.base_url, url)
+        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']})
+
+class KimaiAPI(object):
+    def __init__(self, base_url: str, api_token: str, clients: Iterable[str]):
+        self._session = KimaiSession(base_url, api_token)
+        self._kimai_clients = self._session.get('/api/customers').json()
+        self._client_ids = self.resolve_clients(clients)
+        kimai_user = self._session.get('/api/users/me').json()
+        self._tz = gettz(kimai_user['timezone'])
+
+    def resolve_clients(self, clients: Iterable[str]) -> frozenset[int]:
+        return frozenset({ client['id'] for client in self._kimai_clients if client['name'] in clients })
+
+    def render_datetime(self, datetime: datetime) -> str:
+        return datetime.astimezone(self._tz).strftime('%Y-%m-%dT%H:%M:%S')
+
+    def get_timesheets(self, params: dict[str, Any] = {}) -> Generator[Any]:
+        for page in count(start=1):
+            resp = self._session.get('/api/timesheets', params=params | {'size': 100, 'page': page})
+            if resp.status_code == 404:
+                break
+            yield from resp.json()
 
-    def entry_durations(self, start_date, *, end_date, rounding=False, client_ids):
-        if client_ids is not None and not client_ids:
+    def entry_durations(self, start_date: datetime, *, end_date: datetime, clients: Iterable[str] | None = None) -> Generator[timedelta]:
+        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,
-                    'clients': client_ids,
-                    'workspace': self._workspace_id,
-                    'workspace_clients': self._client_ids
-                }).encode('utf-8'), key = self._api_token.encode('utf-8')).hexdigest()
+                    'client_ids': client_ids,
+                }).encode('utf-8'), key = self._session.auth.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(),
-                       'until': (req_end + timedelta(days=1)).date().isoformat(),
-                       'rounding': 'yes' if rounding else 'no',
-                       'billable': 'yes'
-                      }
-            if client_ids is not None:
-                params |= { 'client_ids': ','.join(map(str, client_ids)) }
-            for page in count(start = 1):
-                url = self._make_url(api = TogglAPISection.REPORTS, section = ['details'], params = params | { 'page': page })
-                r = self._query(url = url, method='GET')
-                if not r or not r.json():
-                    raise TogglAPIError(r)
-                report = r.json()
-                for entry in report['data']:
-                    start = isoparse(entry['start'])
-                    end = isoparse(entry['end'])
-
-                    if start > req_end or end < req_start:
-                        continue
+            params = {
+                'begin': self.render_datetime(req_start),
+                'end': self.render_datetime(req_end),
+                'customers[]': list(client_ids),
+                'billable': 1,
+            }
+
+            for entry in self.get_timesheets(params):
+                if entry['end'] is None:
+                    continue
+
+                start = isoparse(entry['begin'])
+                end = isoparse(entry['end'])
+
+                if start > req_end or end < req_start:
+                    continue
 
-                    x = min(end, req_end) - max(start, req_start)
-                    if cache_key:
-                        entries.append(x)
-                    yield x
-                if not report['data']:
-                    break
+                x = min(end, req_end) - max(start, req_start)
+                if cache_key:
+                    entries.append(x)
+                yield x
 
             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):
-        billable_acc = 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)
+    def get_billable_hours(self, start_date: datetime, end_date: datetime = datetime.now(timezone.utc)) -> timedelta:
+        return sum(self.entry_durations(start_date, end_date=end_date), start=timedelta(milliseconds=0))
 
-            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))
-
-        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))
-
-        return billable_acc
+    def get_running_entry(self) -> Any | None:
+        kimai_entries = self._session.get('/api/timesheets/active').json()
+        if not kimai_entries:
+            return None
+        entry = kimai_entries[0]
 
-    def get_running_clock(self, now=datetime.now(timezone.utc)):
-        url = self._make_url(api = TogglAPISection.TOGGL, section = ['me', 'time_entries', 'current'])
-        r = self._query(url = url, method='GET')
+        if entry['project']['customer']['id'] not in self._client_ids:
+            return None
 
-        if not r or (not r.json() and r.json() is not None):
-            raise TogglAPIError(r)
+        return entry
 
-        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:
-            if 'pid' in r.json() and r.json()['pid']:
-                url = self._make_url(api = TogglAPISection.TOGGL, section = ['projects', str(r.json()['pid'])])
-                pr = self._query(url = url, method = 'GET')
-                if not pr or not pr.json():
-                    raise TogglAPIError(pr)
+    def get_recent_entries(self) -> Generator[Any]:
+        step = timedelta(days = 7)
+        now = datetime.now().astimezone(timezone.utc)
+        ids = set()
+        for req_end in (now - step * i for i in count()):
+            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():
-                    return None
+    def start_clock(self, project_id: int, activity_id: int, description: str | None = None, tags: Iterable[str] | None = None, billable: bool = True):
+        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']:
-                    if pr.json()['cid'] not in self._client_ids:
-                        return None
-                elif 0 not in self._client_ids:
-                    return None
-            elif 0 not in self._client_ids:
-                return None
+    def stop_clock(self, running_id: int):
+        self._session.patch(f'/api/timesheets/{running_id}/stop').raise_for_status()
 
-        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_token=config.get("TOGGL", {}).get("ApiToken", None),
-          workspace_id=config.get("TOGGL", {}).get("Workspace", None),
-          client_ids=config.get("TOGGL", {}).get("ClientIds", None)
+      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)
       )
       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/shell.nix b/shell.nix
index bec68474..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
@@ -15,5 +21,9 @@ in pkgs.mkShell {
     nvfetcher.packages.${system}.default
     ca-util.packages.${system}.ca
     poetry uv
+    ninja pkg-config cairo.dev systemd.dev
   ]);
+  shellHook = ''
+    export UV_FIND_LINKS=${uv-links}/lib/python3.12/site-packages
+  '';
 }
diff --git a/user-profiles/zsh/default.nix b/user-profiles/zsh/default.nix
index 973ff775..ab523a52 100644
--- a/user-profiles/zsh/default.nix
+++ b/user-profiles/zsh/default.nix
@@ -21,6 +21,8 @@
             abbreviations = {
               re = "systemctl restart";
               ure = "systemctl --user restart";
+              st = "systemctl status";
+              ust = "systemctl --user status";
             };
             globalAbbreviations = {
               "L" = "| less";
@@ -28,6 +30,7 @@
               "G" = "| grep";
               "B" = "&> /dev/null &";
               "BB" = "&> /dev/null &!";
+              "J" = lib.mkIf config.programs.jq.enable "| jq '.'";
             };
           };