diff --git a/flake.nix b/flake.nix
index 7d11854..10f519a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -12,6 +12,8 @@
       url = "github:ryantm/agenix";
       inputs = {
         nixpkgs.follows = "nixpkgs";
+        darwin.follows = "nix-darwin";
+        home-manager.follows = "home-manager";
       };
     };
     home-manager = {
@@ -179,6 +181,8 @@
 
         "millironx@bosephus" = mkHomeConfiguration { hostname = "bosephus"; };
 
+        "tchristensen@beocat" = mkHomeConfiguration { hostname = "beocat"; };
+
         "millironx@odyssey" = mkHomeConfiguration {
           hostname = "odyssey";
           desktop = true;
diff --git a/homes/beocat.nix b/homes/beocat.nix
new file mode 100644
index 0000000..2282c83
--- /dev/null
+++ b/homes/beocat.nix
@@ -0,0 +1,8 @@
+{ config, lib, pkgs, pkgs-unstable, ... }: {
+  home = {
+    username = "tchristensen";
+    homeDirectory = "/homes/tchristensen";
+  };
+  programs = { };
+  services = { };
+}
diff --git a/homes/darwin.nix b/homes/darwin.nix
index 8f1c3b6..32cc0e2 100644
--- a/homes/darwin.nix
+++ b/homes/darwin.nix
@@ -1,4 +1,4 @@
-{ pkgs, custom-pkgs, ... }: {
+{ config, lib, pkgs, pkgs-unstable, ... }: {
 
   imports = [
     ./../modules/defaults.nix
@@ -15,27 +15,21 @@
       (pkgs.writeShellScriptBin "get-current-wifi" ''
         ipconfig getsummary $(networksetup -listallhardwareports | awk '/Hardware Port: Wi-Fi/{getline; print $2}') | awk -F ' SSID : ' '/ SSID : / {print $2}'
       '')
-      (pkgs.writeScriptBin "secure-finger" (
-        builtins.readFile ./../bin/find_processes_using_secure_input.py
-      ))
+      (pkgs.writeScriptBin "secure-finger"
+        (builtins.readFile ./../bin/find_processes_using_secure_input.py))
     ];
     sessionVariables = {
       JULIA_NUM_THREADS = "$(sysctl -n hw.logicalcpu)";
       # This is a workaround because it appears that launchd sets the socket
       # and the home-manager module won't set the socket if it's already set
       # This line seems to break on Linux, but is needed on MacOS
-      SSH_AUTH_SOCK = "$(${pkgs.gnupg}/bin/gpgconf --list-dirs agent-ssh-socket)";
+      SSH_AUTH_SOCK =
+        "$(${pkgs.gnupg}/bin/gpgconf --list-dirs agent-ssh-socket)";
     };
     shellAliases = {
       nproc = "sysctl -n hw.logicalcpu";
       tailscale = "/Applications/Tailscale.app/Contents/MacOS/Tailscale";
     };
-    file = {
-      "Library/Spelling/en_US-medical.dic".source =
-        "${custom-pkgs.hunspell-en-med-glut}/share/hunspell/en_US-medical.dic";
-      "Library/Spelling/en_US-medical.aff".source =
-        "${custom-pkgs.hunspell-en-med-glut}/share/hunspell/en_US-medical.aff";
-    };
   };
   programs = {
     bash = {
@@ -57,11 +51,5 @@
       '';
     };
   };
-  services = {
-    gpg-agent = {
-      pinentry = {
-        package = pkgs.pinentry_mac;
-      };
-    };
-  };
+  services = { gpg-agent = { pinentry = { package = pkgs.pinentry_mac; }; }; };
 }
diff --git a/homes/desktop.nix b/homes/desktop.nix
index 51a4e01..fad5434 100644
--- a/homes/desktop.nix
+++ b/homes/desktop.nix
@@ -1,5 +1,6 @@
 {
   pkgs,
+  lib,
   custom-pkgs,
   ...
 }:
@@ -36,9 +37,39 @@
       woodpecker-cli
       (texlive.combine { inherit (texlive) scheme-basic latex-bin latexmk; })
       custom-pkgs.ark
-      custom-pkgs.hunspell-en-med-glut
+      custom-pkgs.hunspell-en-med
       custom-pkgs.jlfmt
       custom-pkgs.runic
     ];
+    shellAliases = {
+      code = "codium";
+      zunlink = ''
+        readlink ~/.config/zed/settings.json > ~/.config/zed/hm-settings-location &&
+        rm ~/.config/zed/settings.json &&
+        cp $(< ~/.config/zed/hm-settings-location) ~/.config/zed/settings.json &&
+        chmod u+w ~/.config/zed/settings.json
+      '';
+      zrelink = ''
+        rm -f ~/.config/zed/settings.json &&
+        ln -s $(< ~/.config/zed/hm-settings-location) ~/.config/zed/settings.json
+      '';
+    };
+  };
+  services = {
+    syncthing.enable = true;
+  };
+
+  # Symlink the merged en_MED Hunspell dictionary into the user dictionary
+  # directory that Qt/Sonnet (and macOS native spellcheck) scan at startup.
+  home.file = lib.mkIf pkgs.stdenv.isDarwin {
+    "Library/Spelling/en_MED.dic".source = "${custom-pkgs.hunspell-en-med}/share/hunspell/en_MED.dic";
+    "Library/Spelling/en_MED.aff".source = "${custom-pkgs.hunspell-en-med}/share/hunspell/en_MED.aff";
+  };
+
+  # On Linux, Qt/Sonnet resolves QStandardPaths::GenericDataLocation + "/hunspell"
+  # which maps to ~/.local/share/hunspell (managed via xdg.dataFile).
+  xdg.dataFile = lib.mkIf pkgs.stdenv.isLinux {
+    "hunspell/en_MED.dic".source = "${custom-pkgs.hunspell-en-med}/share/hunspell/en_MED.dic";
+    "hunspell/en_MED.aff".source = "${custom-pkgs.hunspell-en-med}/share/hunspell/en_MED.aff";
   };
 }
diff --git a/homes/linux-desktop.nix b/homes/linux-desktop.nix
index 6ed4842..6447c0d 100644
--- a/homes/linux-desktop.nix
+++ b/homes/linux-desktop.nix
@@ -1,24 +1,13 @@
-{
-  config,
-  pkgs,
-  custom-pkgs,
-  ...
-}:
+{ config, pkgs, custom-pkgs, ... }:
 let
   home-manager-repo = "${config.xdg.configHome}/home-manager";
   mkOutOfStoreSymlink = config.lib.file.mkOutOfStoreSymlink;
-in
-{
+in {
   imports = [ ./../programs/plasma.nix ];
 
   home = {
-    packages = with pkgs; [
-      sqlitebrowser
-      custom-pkgs.sc4pac
-    ];
-    sessionVariables = {
-      ZED_WINDOW_DECORATIONS = "server";
-    };
+    packages = with pkgs; [ sqlitebrowser custom-pkgs.sc4pac ];
+    sessionVariables = { ZED_WINDOW_DECORATIONS = "server"; };
   };
   services = {
     gpg-agent = {
@@ -31,22 +20,22 @@ in
   };
   xdg = {
     configFile = {
-      "plasma-workspace/env/ZED_WINDOW_DECORATIONS.sh".text = "export ZED_WINDOW_DECORATIONS=server";
+      "plasma-workspace/env/ZED_WINDOW_DECORATIONS.sh".text =
+        "export ZED_WINDOW_DECORATIONS=server";
       "onedrive/config".text = ''
         force_session_upload = "true"
         delay_inotify_processing = "true"
       '';
     };
     dataFile = {
-      "hunspell/en_US-medical.dic".source =
-        "${custom-pkgs.hunspell-en-med-glut}/share/hunspell/en_US-medical.dic";
-      "hunspell/en_US-medical.aff".source =
-        "${custom-pkgs.hunspell-en-med-glut}/share/hunspell/en_US-medical.aff";
       "kio/servicemenus/kate.desktop".source = ./../dotfiles/kate.desktop;
       "kio/servicemenus/vlc.desktop".source = ./../dotfiles/vlc.desktop;
-      "kio/servicemenus/word-to-pdf.desktop".source = ./../dotfiles/word-to-pdf.desktop;
-      "kio/servicemenus/powerpoint-to-pdf.desktop".source = ./../dotfiles/powerpoint-to-pdf.desktop;
-      "user-places.xbel".source = mkOutOfStoreSymlink "${home-manager-repo}/dotfiles/user-places.xbel";
+      "kio/servicemenus/word-to-pdf.desktop".source =
+        ./../dotfiles/word-to-pdf.desktop;
+      "kio/servicemenus/powerpoint-to-pdf.desktop".source =
+        ./../dotfiles/powerpoint-to-pdf.desktop;
+      "user-places.xbel".source =
+        mkOutOfStoreSymlink "${home-manager-repo}/dotfiles/user-places.xbel";
     };
   };
 }
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 74604e1..8fa7b3d 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -2,7 +2,7 @@
 with pkgs;
 {
   ark = callPackage ./ark.nix { };
-  hunspell-en-med-glut = callPackage ./hunspell-en-med-glut.nix { };
+  hunspell-en-med = callPackage ./hunspell-en-med.nix { };
   jlfmt = callPackage ./jlfmt.nix { };
   runic = callPackage ./runic.nix { };
   sc4pac = callPackage ./sc4pac.nix { };
diff --git a/pkgs/hunspell-en-med-glut.nix b/pkgs/hunspell-en-med.nix
similarity index 52%
rename from pkgs/hunspell-en-med-glut.nix
rename to pkgs/hunspell-en-med.nix
index baf6e35..db3f182 100644
--- a/pkgs/hunspell-en-med-glut.nix
+++ b/pkgs/hunspell-en-med.nix
@@ -1,19 +1,25 @@
 { pkgs, lib }:
 
 let
-  pname = "hunspell-en-med-glut";
-  version = "0.0.20140410";
-  src = pkgs.fetchFromGitHub {
-    owner = "glutanimate";
-    repo = pname;
-    rev = version;
-    sha256 = "sha256-7KzZ+4UToWMYFXxIRwQTxT4PwyVsBwLAF07Tlnk8eY8=";
+  # Hunspell dictionary of English medical terms by glutanimate.
+  # Merges OpenMedSpel (R. Robinson) and MTH-Med-Spel-Chek (Rajasekharan N.),
+  # covering ~90,000 terms (anatomy, pharmacology, DSM-IV, ICD-9, etc.).
+  # Note: word list is current to April 2014; GPL-3.0 licensed.
+  # Source: https://github.com/glutanimate/hunspell-en-med-glut
+  medDic = pkgs.fetchurl {
+    url = "https://raw.githubusercontent.com/glutanimate/hunspell-en-med-glut/master/en_med_glut.dic";
+    # Run `nix build` once with this placeholder to get the real hash from the
+    # error message, then replace it here.
+    hash = "sha256-voNMOdaB3QED0Lut3KujWXhr0Sa+sdDAi27ZMoVJDBs=";
   };
+
 in
 pkgs.stdenv.mkDerivation {
-  inherit pname;
-  inherit version;
-  inherit src;
+  pname = "hunspell-en-med";
+  # Date of last upstream commit to the dictionary file
+  version = "2017-01-04";
+
+  dontUnpack = true;
 
   installPhase = ''
     runHook preInstall
@@ -23,25 +29,24 @@ pkgs.stdenv.mkDerivation {
     # de-duplicate, then prepend the new count to form a valid .dic file.
     {
       tail -n +2 "${pkgs.hunspellDicts.en_US}/share/hunspell/en_US.dic"
-      tail -n +18 $src/en_med_glut.dic
+      tail -n +2 ${medDic}
     } | sort -u > words.txt
 
     count=$(wc -l < words.txt)
-    { printf '%s\n' "$count"; cat words.txt; } > $out/share/hunspell/en_US-medical.dic
+    { printf '%s\n' "$count"; cat words.txt; } > $out/share/hunspell/en_MED.dic
 
     # Reuse en_US affix rules; the medical word list carries no morphology.
-    cp "${pkgs.hunspellDicts.en_US}/share/hunspell/en_US.aff" $out/share/hunspell/en_US-medical.aff
+    cp "${pkgs.hunspellDicts.en_US}/share/hunspell/en_US.aff" $out/share/hunspell/en_MED.aff
 
     runHook postInstall
   '';
 
   meta = {
-    description = "Merged US English + medical terms Hunspell dictionary (en_US-medical)";
+    description = "Merged US English + medical terms Hunspell dictionary (en_MED)";
     longDescription = ''
       Combines the standard en_US Hunspell dictionary with the glutanimate
       medical terms word list (hunspell-en-med-glut), giving a single
-      en_US-medical dictionary that covers everyday English and ~90,000 medical
-      terms.
+      en_MED dictionary that covers everyday English and ~90,000 medical terms.
     '';
     homepage = "https://github.com/glutanimate/hunspell-en-med-glut";
     license = lib.licenses.gpl3;
diff --git a/programs/direnv.nix b/programs/direnv.nix
index 086b41c..4b34305 100644
--- a/programs/direnv.nix
+++ b/programs/direnv.nix
@@ -1,7 +1,6 @@
-{ pkgs-unstable, ... }: {
+{ ... }: {
   programs.direnv = {
     enable = true;
-    package = pkgs-unstable.direnv;
     enableBashIntegration = true;
     enableZshIntegration = true;
   };
diff --git a/programs/plasma.nix b/programs/plasma.nix
index 0fbd948..ec79918 100644
--- a/programs/plasma.nix
+++ b/programs/plasma.nix
@@ -1,16 +1,11 @@
 { config, ... }: {
 
-  imports = [
-    ./konsole.nix
-    ./yakuake.nix
-  ];
+  imports = [ ./konsole.nix ./yakuake.nix ];
 
   programs.plasma = {
     enable = true;
     overrideConfig = true;
-    shortcuts = {
-      yakuake.toggle-window-state = "Ctrl+`";
-    };
+    shortcuts = { yakuake.toggle-window-state = "Ctrl+`"; };
     configFile = {
       dolphinrc = {
         DetailsMode.PreviewSize = 16;
@@ -27,7 +22,8 @@
           "Places Icons Auto-resize" = false;
           "Places Icons Static Size" = 22;
         };
-        PreviewSettings.Plugins = "audiothumbnail,avif,blenderthumbnail,comicbookthumbnail,cursorthumbnail,djvuthumbnail,ebookthumbnail,exrthumbnail,directorythumbnail,fontthumbnail,imagethumbnail,jpegthumbnail,jxl,kraorathumbnail,windowsexethumbnail,windowsimagethumbnail,mobithumbnail,opendocumentthumbnail,gsthumbnail,rawthumbnail,svgthumbnail,gdk-pixbuf-thumbnailer,ffmpegthumbs,gsf-office";
+        PreviewSettings.Plugins =
+          "audiothumbnail,avif,blenderthumbnail,comicbookthumbnail,cursorthumbnail,djvuthumbnail,ebookthumbnail,exrthumbnail,directorythumbnail,fontthumbnail,imagethumbnail,jpegthumbnail,jxl,kraorathumbnail,windowsexethumbnail,windowsimagethumbnail,mobithumbnail,opendocumentthumbnail,gsthumbnail,rawthumbnail,svgthumbnail,gdk-pixbuf-thumbnailer,ffmpegthumbs,gsf-office";
       };
 
       # Store GPG passphrase
@@ -38,27 +34,19 @@
       };
 
       # Disable hot corner
-      kwinrc = {
-        Effect-overview.BorderActivate = 9;
-      };
+      kwinrc = { Effect-overview.BorderActivate = 9; };
     };
-    input.mice = [
-      {
-        enable = true;
-        name = "Logitech M705";
-        vendorId = "046d";
-        productId = "406d";
-        naturalScroll = true;
-      }
-    ];
+    input.mice = [{
+      enable = true;
+      name = "Logitech M705";
+      vendorId = "046d";
+      productId = "406d";
+      naturalScroll = true;
+    }];
     kwin = {
       cornerBarrier = false;
       titlebarButtons = {
-        left = [
-          "close"
-          "minimize"
-          "maximize"
-        ];
+        left = [ "close" "minimize" "maximize" ];
         right = [ "help" ];
       };
       virtualDesktops = {
@@ -78,11 +66,7 @@
         hiding = "normalpanel";
         screen = 0;
         widgets = [
-          {
-            kickoff = {
-              icon = "fedora-logo-icon";
-            };
-          }
+          { kickoff = { icon = "fedora-logo-icon"; }; }
           "org.kde.plasma.marginsseparator"
           "org.kde.plasma.windowlist"
           "org.kde.plasma.appmenu"
@@ -92,8 +76,9 @@
             config = {
               Appearance.chartFace = "org.kde.ksysguard.barchart";
               Sensors.highPrioritySensorIds = "[${
-                builtins.concatStringsSep "," (builtins.genList (i: ''"cpu/cpu${builtins.toString i}/usage"'') 32)
-              }]";
+                  builtins.concatStringsSep "," (builtins.genList
+                    (i: ''"cpu/cpu${builtins.toString i}/usage"'') 32)
+                }]";
             };
           }
           {
@@ -104,7 +89,8 @@
             name = "org.kde.plasma.systemmonitor.net";
             config = {
               Appearance.chartFace = "org.kde.ksysguard.horizontalbars";
-              Sensors.highPrioritySensorIds = ''[ "network/all/download","network/all/upload" ]'';
+              Sensors.highPrioritySensorIds =
+                ''[ "network/all/download","network/all/upload" ]'';
               # These are the values needed to make the network indicator
               # actually useful, but it appears that plasma-manager doesn't
               # support nesting this deep yet. Disable for now.
@@ -171,10 +157,7 @@
         opacity = "adaptive";
         hiding = "normalpanel";
         screen = 1;
-        widgets = [
-          "org.kde.plasma.windowlist"
-          "org.kde.plasma.appmenu"
-        ];
+        widgets = [ "org.kde.plasma.windowlist" "org.kde.plasma.appmenu" ];
       }
       ##### Bottom: Virtual desktop pager | Full-name taskbar w/o pins #####
       {
@@ -198,36 +181,26 @@
       }
     ];
     powerdevil.AC.autoSuspend.action = "nothing";
-    window-rules = [
-      {
-        description = "Firefox picture-in-picture";
-        match = {
-          # Window class intentionally omitted ("Unimportant") — matching on
-          # class alone causes the rule to silently fail on Wayland.
-          title = {
-            value = "Picture-in-Picture";
-            type = "exact";
-          };
-          window-types = [ "normal" ];
+    window-rules = [{
+      description = "Firefox picture-in-picture";
+      match = {
+        window-class = {
+          value = "org.mozilla.firefox";
+          type = "exact";
         };
-        apply = {
-          above = {
-            value = true;
-            apply = "force";
-          };
-          skiptaskbar = {
-            value = true;
-            apply = "force";
-          };
-        };
-      }
-    ];
+      };
+      apply = {
+        above = true;
+        aboverule = 2;
+      };
+    }];
     workspace = {
       lookAndFeel = "org.kde.breezedark.desktop";
       wallpaperFillMode = "preserveAspectCrop";
       wallpaperSlideShow = {
         interval = 86400;
-        path = "${config.home.homeDirectory}/Nextcloud/Pictures/Desktop backgrounds/";
+        path =
+          "${config.home.homeDirectory}/Nextcloud/Pictures/Desktop backgrounds/";
       };
     };
   };