caesium: thunderbird and vscode updates

caesium.hardware.nix

@@ -1,38 +1,54 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
+{ config
+, lib
+, modulesPath
+, ...
+}:
 
 {
-  imports =
+  imports = [
-    [ (modulesPath + "/installer/scan/not-detected.nix")
+    (modulesPath + "/installer/scan/not-detected.nix")
   ];
 
-  boot.initrd.availableKernelModules = [ "nvme" "ahci" "xhci_pci" "thunderbolt" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
+  boot.initrd.availableKernelModules = [
+    "nvme"
+    "ahci"
+    "xhci_pci"
+    "thunderbolt"
+    "usbhid"
+    "usb_storage"
+    "sd_mod"
+    "sr_mod"
+  ];
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ "kvm-amd" ];
   boot.extraModulePackages = [ ];
 
-  fileSystems."/" =
+  fileSystems."/" = {
-    { device = "/dev/disk/by-uuid/9523b80b-8a1f-4784-9750-9b8fadf91b92";
+    device = "/dev/disk/by-uuid/9523b80b-8a1f-4784-9750-9b8fadf91b92";
     fsType = "btrfs";
     options = [ "subvol=@" ];
   };
 
-  fileSystems."/nix" =
+  fileSystems."/nix" = {
-    { device = "/dev/disk/by-uuid/9523b80b-8a1f-4784-9750-9b8fadf91b92";
+    device = "/dev/disk/by-uuid/9523b80b-8a1f-4784-9750-9b8fadf91b92";
     fsType = "btrfs";
     options = [ "subvol=@nix" ];
   };
 
-  fileSystems."/boot" =
+  fileSystems."/boot" = {
-    { device = "/dev/disk/by-uuid/038C-E1E1";
+    device = "/dev/disk/by-uuid/038C-E1E1";
     fsType = "vfat";
-      options = [ "fmask=0022" "dmask=0022" ];
+    options = [
+      "fmask=0022"
+      "dmask=0022"
+    ];
   };
 
-  fileSystems."/home" =
+  fileSystems."/home" = {
-    { device = "/dev/disk/by-uuid/ddbb8d84-7704-45a0-93b4-7d38905755f3";
+    device = "/dev/disk/by-uuid/ddbb8d84-7704-45a0-93b4-7d38905755f3";
     fsType = "ext4";
   };
 

caesium.home.nix

@@ -1,4 +1,9 @@
-{ config, inputs, lib, pkgs, ... }: {
+{ config, pkgs, ... }: {
+
+  imports = [
+    ./programs.vscode.nix
+    ./programs.thunderbird.nix
+  ];
 
   home.packages = with pkgs; [
     firefox
@@ -6,32 +11,23 @@
     faugus-launcher
   ];
 
+  systemd.user.sessionVariables = {
+    ## Required to fix firefox unrendered addressbar and tabs
+    XDG_DATA_DIRS = "${config.home.homeDirectory}/.nix-profile/share:/usr/local/share:/usr/share";
+  };
+
   services.flatpak = {
+    enable = true;
     packages = [
       "com.spotify.Client"
       "com.discordapp.Discord"
-      "flathub:app/com.anthropic.Claude/x86_64/stable"
     ];
-    overrides = [];
   };
 
   programs.zsh.shellAliases = {
     claude = "nix run github:sadjow/claude-code-nix";
   };
 
-  programs.vscode = {
-    enable = true;
-    package = pkgs.vscode-fhs;
-    profiles.default = {
-      userSettings = builtins.fromJSON (builtins.readFile ./config.vscode.settings.json);
-      extensions = with inputs.nix-vscode-extensions.extensions.${pkgs.system}.vscode-marketplace; [
-        bbenoist.nix
-        vscode-icons-team.vscode-icons
-        waderyan.gitblame
-      ];
-    };
-  };
-
   home.sessionVariables = {
     NPM_CONFIG_PREFIX = "/mnt/Projects/.npm-global/.npm-global";
   };
@@ -44,3 +40,4 @@
     prefix=/mnt/Projects/.npm-global/.npm-global
   '';
 }
+ 

caesium.nixos.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ pkgs, ... }:
 
 {
   imports = [
@@ -8,7 +8,10 @@
 
   time.timeZone = "America/New_York";
   nixpkgs.config.allowUnfree = true;
-  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  nix.settings.experimental-features = [
+    "nix-command"
+    "flakes"
+  ];
 
   # --- BOOTLOADER ---
   boot.loader.systemd-boot.enable = true;
@@ -44,19 +47,30 @@
   # Primary Swap: Compressed RAM (Fastest)
   zramSwap.enable = true;
   zramSwap.memoryPercent = 25;
+  systemd.oomd.enable = true;
+  services.earlyoom.enable = true;
+  services.earlyoom.freeMemThreshold = 5; # trigger at 5% free RAM
+  services.earlyoom.freeSwapThreshold = 10; # trigger at 10% free swap
 
   # Secondary Swap: 16GB File on Alpha (Safety Net)
-  swapDevices = [ {
+  swapDevices = [
+    {
       device = "/var/lib/swapfile";
       size = 16 * 1024; # 16GB
-  } ];
+    }
+  ];
 
   # --- USER & GROUPS ---
   users.groups.storage = { };
   users.users.mbessette = {
     isNormalUser = true;
     shell = pkgs.zsh;
-    extraGroups = [ "wheel" "networkmanager" "storage" "docker" ];
+    extraGroups = [
+      "wheel"
+      "networkmanager"
+      "storage"
+      "docker"
+    ];
     openssh.authorizedKeys.keys = [
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILsZW38Ad1GAhGgfo7LsBzt6M4oo30VafsmNrILPMVio"
     ];
@@ -66,17 +80,29 @@
   # Note: The UUIDs stay in hardware-configuration.nix.
   # We only list them here if we want to add specific options like compression.
 
-  fileSystems."/nix".options = [ "subvol=@nix" "compress=zstd" "noatime" ];
+  fileSystems."/nix".options = [
+    "subvol=@nix"
+    "compress=zstd"
+    "noatime"
+  ];
   fileSystems."/mnt/bottles" = {
     device = "/dev/disk/by-uuid/9523b80b-8a1f-4784-9750-9b8fadf91b92"; # Use the same Alpha UUID
     fsType = "btrfs";
-    options = [ "subvol=@bottles" "compress=zstd" "noatime" ];
+    options = [
+      "subvol=@bottles"
+      "compress=zstd"
+      "noatime"
+    ];
   };
 
   fileSystems."/mnt/steam-games" = {
     device = "/dev/disk/by-uuid/9523b80b-8a1f-4784-9750-9b8fadf91b92";
     fsType = "btrfs";
-    options = [ "subvol=@steam" "compress=zstd" "noatime" ];
+    options = [
+      "subvol=@steam"
+      "compress=zstd"
+      "noatime"
+    ];
   };
 
   fileSystems."/mnt/Projects" = {
@@ -157,6 +183,13 @@
   };
 
   # --- PROGRAMS ---
+  services.printing = {
+    enable = true;
+    drivers = [
+      pkgs.hplip
+    ];
+  };
+
   programs.zsh.enable = true;
 
   programs.steam = {

cleo.darwin.nix

@@ -1,4 +1,7 @@
-{ pkgs, lib, inputs, ... }:
+{ pkgs
+, lib
+, ...
+}:
 let
   ansibleRequired = {
     taps = [
@@ -47,7 +50,8 @@ let
       # "jetbrains-toolbox"
     ];
   };
-in {
+in
+{
   ids.gids.nixbld = 350;
   security.pam.services.sudo_local.touchIdAuth = true;
 
@@ -74,7 +78,11 @@ in {
   ];
 
   # Add Homebrew to PATH
-  environment.systemPath = [ "/opt/homebrew/bin" "/opt/homebrew/sbin" "/Users/matthew.bessette/.local/bin" ];
+  environment.systemPath = [
+    "/opt/homebrew/bin"
+    "/opt/homebrew/sbin"
+    "/Users/matthew.bessette/.local/bin"
+  ];
 
   system.primaryUser = "matthew.bessette";
   users.users."matthew.bessette" = {
@@ -95,18 +103,26 @@ in {
     # Each list is (ansible-managed set) ++ (nix-only extras), deduped. With
     # cleanup = "uninstall" above, anything NOT listed here gets removed on
     # activation — so ansibleRequired must be merged in or nix would clobber it.
-    taps = lib.unique (ansibleRequired.taps ++ [
+    taps = lib.unique (
+      ansibleRequired.taps
+      ++ [
         # nix-only taps go here
-    ]);
+      ]
-    brews = lib.unique (ansibleRequired.brews ++ [
+    );
+    brews = lib.unique (
+      ansibleRequired.brews
+      ++ [
         "biome"
         "jira-cli"
         "treehouse"
-    ]);
+      ]
+    );
     # visual-studio-code is installed by Homebrew (in ansibleRequired.casks) so
     # Homebrew owns the .app; home-manager (cleo.home.nix) owns settings +
     # extensions only (programs.vscode with package = null) — no second copy.
-    casks = lib.unique (ansibleRequired.casks ++ [
+    casks = lib.unique (
+      ansibleRequired.casks
+      ++ [
         "android-commandlinetools"
         "android-platform-tools"
         "bruno"
@@ -121,7 +137,8 @@ in {
         "spotify"
         "yubico-yubikey-manager"
         "zoom"
-    ]);
+      ]
+    );
 
     masApps = {
       BetterSnapTool = 417375580;

cleo.home.nix

@@ -1,47 +1,11 @@
-{ config, lib, pkgs, inputs, ... }:
+{ config, pkgs, inputs, ... }:
-let
-  oldPkgs = import inputs.nixpkgs-nodejs {
-    system = pkgs.stdenv.hostPlatform.system;
-    config.allowUnfree = true;
-  };
-in
 {
-  home.username = "matthew.bessette";
+  imports = [
-  home.homeDirectory = "/Users/matthew.bessette";
+    ./programs.vscode.nix
+  ];
 
   home.packages = with pkgs; [ ];
 
-  programs.vscode = {
-    enable = true;
-    mutableExtensionsDir = false;
-    profiles.default = {
-      userSettings = builtins.fromJSON (builtins.readFile ./config.vscode.settings.json);
-      extensions = (
-        with pkgs.vscode-marketplace-release; [
-          bbenoist.nix
-          graphql.vscode-graphql-syntax
-          graphql.vscode-graphql
-          ms-python.debugpy
-          ms-python.python
-          ms-python.vscode-pylance
-          oxc.oxc-vscode
-          vscode-icons-team.vscode-icons
-          typescriptteam.native-preview
-          waderyan.gitblame
-        ]
-      ) ++ (
-        with pkgs.vscode-marketplace; [
-          biomejs.biome
-        ]
-      );
-    };
-  };
-
-  # mise runtime manager — installed by nix. Zsh integration is disabled
-  # because `mise activate zsh` registers a precmd hook that re-evaluates the
-  # environment before every prompt, causing a per-command shell delay.
-  # Tools still resolve via shims on PATH (see home.sessionPath below); this
-  # trades away mise's per-directory env-var auto-loading for prompt speed.
   programs.mise = {
     enable = true;
     enableZshIntegration = false;
@@ -110,22 +74,9 @@ in
     prefix=${config.home.homeDirectory}/.npm-global
   '';
 
-  # Stub Android SDK directory so ANDROID_HOME/platform-tools/adb resolves to
-  # the adb binary installed by the android-platform-tools Homebrew cask.
   home.file."android-sdk/platform-tools/adb".source = config.lib.file.mkOutOfStoreSymlink "/opt/homebrew/bin/adb";
   home.file."android-sdk/cmdline-tools/latest/bin/sdkmanager".source = config.lib.file.mkOutOfStoreSymlink "/opt/homebrew/bin/sdkmanager";
-  xdg.configFile."oxlint/oxlintrc.json".source = config.lib.file.mkOutOfStoreSymlink "/Users/matthew.bessette/nixos/config.oxlintrc.json";
-  xdg.configFile."biome/biome.json".source = config.lib.file.mkOutOfStoreSymlink "/Users/matthew.bessette/nixos/config.biome.json";
 
-  # --- Tool config parity with local-dev-ansible (tasks/config/*) ---
-  # Note: ~/.aws/config is intentionally NOT managed here — `aws-sso-util configure
-  # populate` must rewrite it at runtime, which a read-only nix symlink would block.
-  # Run once after switch:
-  #   aws-sso-util configure populate \
-  #     --sso-start-url https://d-9067516d20.awsapps.com/start \
-  #     --sso-region us-east-1 --region us-east-1 --config-default output=json
-
-  # GitHub Copilot CLI (tasks/config/copilot.yml)
   home.file.".copilot/settings.json".text = builtins.toJSON {
     footer = {
       showModelEffort = true;
@@ -156,40 +107,4 @@ in
     tuiSidebarPanel.enabled = true;
     maintainerAnnouncements = { enabled = false; home = false; };
   };
-
-  # Claude Code settings (tasks/config/claude-code.yml) — cleo-scoped override of the
-  # shared config.claude.json, since claude-statusline is only installed on cleo.
-  # mkForce wins over home.shared.nix's `.source = ./config.claude.json`.
-  xdg.configFile."claude/settings.json".source = lib.mkForce (pkgs.writeText "claude-settings.json" (builtins.toJSON {
-    "$schema" = "https://json.schemastore.org/claude-code-settings.json";
-    theme = "dark";
-    agent = "plan";
-    denyCommands = [ "code --install-extension*" ];
-    additionalDirectories = [ "/tmp" ];
-    autoMemoryEnabled = false;
-    effortLevel = "medium";
-    fastModePerSessionOptIn = true;
-    feedbackSurveyRate = 0;
-    model = "opusplan";
-    showClearContextOnPlanAccept = false;
-    statusLine = { type = "command"; command = "claude-statusline prompt"; };
-  }));
-  xdg.configFile."claude-statusline/config.toml".text = ''
-    format = "$directory | $git_branch | $model | $cost | $context | $usage"
-    preset = "default"
-
-    [usage]
-    disabled = false
-    format = 'S: {{printf "%.0f" .BlockPct}}% ({{.BlockResets}}) | W: {{printf "%.0f" .WeeklyPct}}%'
-  '';
-
-  xdg.configFile."1Password/ssh/agent.toml".text = lib.mkForce ''
-    [[ssh-keys]]
-    item = "Cleo SSH Key"
-    vault = "Cleo"
-
-    [[ssh-keys]]
-    item = "Personal SSH Key"
-    vault = "Private"
-  '';
 }

config.claude.json

@@ -1,6 +0,0 @@
-{
-	"$schema": "https://json.schemastore.org/claude-code-settings.json",
-	"theme": "dark",
-	"agent": "plan",
-	"denyCommands": ["code --install-extension*"]
-}

config.vscode.settings.json

@@ -32,6 +32,19 @@
 			"source.organizeImports": "explicit"
 		}
 	},
+	"[nix]": {
+		"editor.defaultFormatter": "jnoortheen.nix-ide",
+		"editor.formatOnSave": true
+	},
+	"nix.enableLanguageServer": true,
+	"nix.serverPath": "nixd",
+	"nix.serverSettings": {
+		"nixd": {
+			"formatting": {
+				"command": ["treefmt", "--stdin", "buffer.nix"]
+			}
+		}
+	},
 	"js/ts.updateImportsOnPaste.enabled": true,
 	"js/ts.preferences.importModuleSpecifier": "relative",
 	"git.openRepositoryInParentFolders": "never",

flake.nix

@@ -42,17 +42,15 @@
     nixpkgs-nodejs.url = "github:NixOS/nixpkgs/21808d22b1cda1898b71cf1a1beb524a97add2c4";
   };
 
-  outputs = inputs @ { 
+  outputs =
-    self,
+    inputs@{
       nixpkgs,
       nixpkgsUnstable,
-    nixos-hardware,
       home-manager,
       home-manager-darwin,
       nix-darwin,
       mac-app-util,
       nix-flatpak,
-    nixpkgs-nodejs,
       ...
     }:
     let
@@ -71,12 +69,16 @@
           };
         })
       ];
-    in {
+    in
+    {
       # -------------------------------------------------------------
       # NixOS Configuration (Linux)
       # -------------------------------------------------------------
       nixosConfigurations.caesium = nixpkgs.lib.nixosSystem {
-        specialArgs = { system = linuxSystem; inherit inputs; };
+        specialArgs = {
+          system = linuxSystem;
+          inherit inputs;
+        };
         modules = [
           {
             nixpkgs.overlays = mkOverlays linuxSystem;
@@ -90,7 +92,10 @@
       # nix-darwin Configuration (macOS)
       # -------------------------------------------------------------
       darwinConfigurations.cleo-darwin = nix-darwin.lib.darwinSystem {
-        specialArgs = { system = darwinSystem; inherit inputs; };
+        specialArgs = {
+          system = darwinSystem;
+          inherit inputs;
+        };
         system = darwinSystem;
         modules = [
           {
@@ -103,7 +108,10 @@
       };
 
       darwinConfigurations.hydrogen = nix-darwin.lib.darwinSystem {
-        specialArgs = { system = darwinSystem; inherit inputs; };
+        specialArgs = {
+          system = darwinSystem;
+          inherit inputs;
+        };
         system = darwinSystem;
         modules = [
           {
@@ -118,13 +126,15 @@
       # -------------------------------------------------------------
       # Homemanager configuration
       # -------------------------------------------------------------
-      homeConfigurations."mbessette@caesium" = let
+      homeConfigurations."mbessette@caesium" =
+        let
           pkgs = import nixpkgs {
             system = linuxSystem;
             config.allowUnfree = true;
             overlays = mkOverlays linuxSystem;
           };
-      in home-manager.lib.homeManagerConfiguration {
+        in
+        home-manager.lib.homeManagerConfiguration {
           inherit pkgs;
           extraSpecialArgs = {
             system = linuxSystem;
@@ -139,13 +149,15 @@
           ];
         };
 
-      homeConfigurations."mbessette@hydrogen" = let
+      homeConfigurations."mbessette@hydrogen" =
+        let
           pkgs = import nixpkgsUnstable {
             system = darwinSystem;
             config.allowUnfree = true;
             overlays = mkOverlays darwinSystem;
           };
-      in home-manager-darwin.lib.homeManagerConfiguration {
+        in
+        home-manager-darwin.lib.homeManagerConfiguration {
           inherit pkgs;
           extraSpecialArgs = {
             system = darwinSystem;
@@ -160,13 +172,15 @@
           ];
         };
 
-      homeConfigurations."matthew.bessette@cleo-darwin" = let
+      homeConfigurations."matthew.bessette@cleo-darwin" =
+        let
           pkgs = import nixpkgsUnstable {
             system = darwinSystem;
             config.allowUnfree = true;
             overlays = mkOverlays darwinSystem;
           };
-      in home-manager-darwin.lib.homeManagerConfiguration {
+        in
+        home-manager-darwin.lib.homeManagerConfiguration {
           inherit pkgs;
           extraSpecialArgs = {
             system = darwinSystem;

home.shared.nix

@@ -1,34 +1,75 @@
-{ config, lib, pkgs, hostname, userConfig, ... }:
+{
+  config,
+  lib,
+  pkgs,
+  hostname,
+  userConfig,
+  ...
+}:
 let
-  onePassPath = if pkgs.stdenv.isDarwin
+  onePassPath =
-    then "${userConfig.homeDirectory}/Library/Group Containers/2BUA8C4S2C.com.1password/t/agent.sock"
+    if pkgs.stdenv.isDarwin then
-    else "${userConfig.homeDirectory}/.1password/agent.sock";
+      "${userConfig.homeDirectory}/Library/Group Containers/2BUA8C4S2C.com.1password/t/agent.sock"
-  ghosttyPkg = if pkgs.stdenv.isDarwin
+    else
-    then pkgs."ghostty-bin"
+      "${userConfig.homeDirectory}/.1password/agent.sock";
-    else pkgs.ghostty;
+  ghosttyPkg = if pkgs.stdenv.isDarwin then pkgs."ghostty-bin" else pkgs.ghostty;
-  rebuildCmd = if pkgs.stdenv.isDarwin
+  rebuildCmd = if pkgs.stdenv.isDarwin then "darwin-rebuild" else "nixos-rebuild";
-    then "darwin-rebuild"
+in
-    else "nixos-rebuild";
+{
-in {
   home.stateVersion = lib.mkDefault "26.05";
   home.username = userConfig.username;
   home.homeDirectory = userConfig.homeDirectory;
   home.sessionVariables.SSH_AUTH_SOCK = onePassPath;
   home.sessionVariables.CLAUDE_CONFIG_DIR = "${config.xdg.configHome}/claude";
 
+  home.packages = with pkgs; [
+    nixd
+    treefmt
+    nixpkgs-fmt
+    deadnix
+  ];
+
   xdg.enable = true;
   xdg.configHome = "${config.home.homeDirectory}/.config";
   xdg.cacheHome  = "${config.home.homeDirectory}/.cache";
   xdg.dataHome   = "${config.home.homeDirectory}/.local/share";
   xdg.stateHome  = "${config.home.homeDirectory}/.config/state";
   xdg.configFile."ssh.conf".source = ./config.ssh.conf;
-  xdg.configFile."claude/settings.json".source = ./config.claude.json;
   xdg.configFile."1Password/ssh/agent.toml".text = ''
     [[ssh-keys]]
     item = "${userConfig._1PassKeyName}"
     vault = "${userConfig._1PassKeyVault}"
   '';
 
+  xdg.configFile."claude/settings.json".source = pkgs.writeText "claude-settings.json" (
+    builtins.toJSON {
+      "$schema" = "https://json.schemastore.org/claude-code-settings.json";
+      theme = "dark";
+      agent = "plan";
+      denyCommands = [ "code --install-extension*" ];
+      additionalDirectories = [ "/tmp" ];
+      autoMemoryEnabled = false;
+      effortLevel = "medium";
+      fastModePerSessionOptIn = true;
+      feedbackSurveyRate = 0;
+      model = "opusplan";
+      showClearContextOnPlanAccept = false;
+      statusLine = {
+        type = "command";
+        command = "claude-statusline prompt";
+      };
+    }
+  );
+
+  xdg.configFile."claude-statusline/config.toml".text = ''
+    format = "$directory | $git_branch | $model | $cost | $context | $usage"
+    preset = "default"
+
+    [usage]
+    disabled = false
+    format = 'S: {{printf "%.0f" .BlockPct}}% ({{.BlockResets}}) | W: {{printf "%.0f" .WeeklyPct}}%'
+  '';
+
   programs.tmux.enable = true;
   programs.fastfetch.enable = true;
 

hydrogen.home.nix

@@ -1,17 +1,8 @@
 { config, inputs, pkgs, ... }: {
-
+  imports = [
-  # Managed VS Code Extensions (The "Clean" Way)
+    ./programs.vscode.nix
-  programs.vscode = {
+    ./programs.thunderbird.nix
-    enable = true;
-    profiles.default = {
-      userSettings = builtins.fromJSON (builtins.readFile ./config.vscode.settings.json);
-      extensions = with inputs.nix-vscode-extensions.extensions.${pkgs.system}.vscode-marketplace; [
-        bbenoist.nix
-        vscode-icons-team.vscode-icons
-        waderyan.gitblame
   ];
-    };
-  };
 
   home.sessionVariables = {
     # Points to the Homebrew location mentioned in your caveat

programs.thunderbird.nix

@@ -0,0 +1,80 @@
+{ pkgs, ... }:
+let
+  tbPkg = if pkgs.stdenv.isDarwin then pkgs.thunderbird-bin else pkgs.thunderbird;
+
+  mkGmailAccount = address: realName: {
+    inherit address realName;
+    flavor = "gmail.com";
+    thunderbird.enable = true;
+  };
+
+  mkCalendar = collection: {
+    remote = {
+      type = "caldav";
+      url = "https://cloud.thiccdata.io/remote.php/dav/calendars/mbessette/${collection}/";
+      userName = "mbessette";
+    };
+  };
+
+  mkAddressBook = book: {
+    remote = {
+      type = "carddav";
+      url = "https://cloud.thiccdata.io/remote.php/dav/addressbooks/users/mbessette/${book}/";
+      userName = "mbessette";
+    };
+    thunderbird.enable = true;
+  };
+in
+{
+  programs.thunderbird = {
+    enable = true;
+    package = tbPkg;
+
+    profiles.default = {
+      isDefault = true;
+      accountsOrder = [ "personal" ];
+    };
+  };
+
+  accounts.calendar.basePath = ".calendars";
+  accounts.contact.basePath = ".contacts";
+
+  accounts.email.accounts = {
+    personal = mkGmailAccount "blade30912@gmail.com" "Matthew Bessette" // {
+      primary = true;
+    };
+    bessette = mkGmailAccount "bessette.matthew94@gmail.com" "Matthew Bessette";
+    house = mkGmailAccount "mbessette.house@gmail.com" "Matthew Bessette";
+    joseph = mkGmailAccount "joseph.lamothe55@gmail.com" "Joseph Lamothe";
+  };
+
+  accounts.calendar.accounts = {
+    family = mkCalendar "test" // {
+      thunderbird = {
+        enable = true;
+        color = "#FED3D9";
+      };
+    };
+    matt = mkCalendar "matt-calendar" // {
+      primary = true;
+      thunderbird = {
+        enable = true;
+        color = "#FDF0D7";
+        settings = id: {
+          "calendar.registry.${id}.imip.identity.key" =
+            "id_${builtins.hashString "sha256" "personal"}";
+        };
+      };
+    };
+    joseph-cal = mkCalendar "joseph-calendar" // {
+      thunderbird = {
+        enable = true;
+        color = "#CEF4F8";
+      };
+    };
+  };
+
+  accounts.contact.accounts = {
+    contacts = mkAddressBook "contacts";
+  };
+}

programs.vscode.nix

@@ -0,0 +1,34 @@
+{ config, pkgs, ... }: {
+
+  xdg.configFile."oxlint/oxlintrc.json".source =
+    config.lib.file.mkOutOfStoreSymlink "/Users/matthew.bessette/nixos/config.oxlintrc.json";
+  xdg.configFile."biome/biome.json".source =
+    config.lib.file.mkOutOfStoreSymlink "/Users/matthew.bessette/nixos/config.biome.json";
+
+  programs.vscode = {
+    enable = true;
+    package = pkgs.unstable.vscode;
+    mutableExtensionsDir = false;
+    profiles.default = {
+      userSettings = builtins.fromJSON (builtins.readFile ./config.vscode.settings.json);
+      extensions =
+        (with pkgs.vscode-marketplace-release; [
+          bbenoist.nix
+          jnoortheen.nix-ide
+          graphql.vscode-graphql-syntax
+          graphql.vscode-graphql
+          ms-python.debugpy
+          ms-python.python
+          ms-python.vscode-pylance
+          oxc.oxc-vscode
+          vscode-icons-team.vscode-icons
+          typescriptteam.native-preview
+          lucasprag.dont-git-lost
+          ms-vscode-remote.remote-ssh
+        ])
+        ++ (with pkgs.vscode-marketplace; [
+          biomejs.biome
+        ]);
+    };
+  };
+}

treefmt.toml

@@ -0,0 +1,8 @@
+[formatter.deadnix]
+command = "deadnix"
+options = ["--edit", "--quiet"]
+includes = ["*.nix"]
+
+[formatter.nix]
+command = "nixpkgs-fmt"
+includes = ["*.nix"]