feat(packs): opt-in package packs — media/office/dev/gaming/containers/compat

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

modules/packs/office.nix

@@ -0,0 +1,76 @@
+# Office pack — browsers, communication, office suite, notes, password
+# managers, sync/backup.
+#
+# Migrated from packages.nix `productivity` category, which is gated on
+# features.office OR features.communication today; this pack reproduces
+# the whole list to preserve parity (splitting office vs communication is
+# a follow-up). Run through omni.lib.filterPackages so exclude applies.
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.omni.packs.office;
+in
+{
+  options.omni.packs.office.enable =
+    lib.mkEnableOption "Office pack (browsers, comms, office suite, notes, backup)";
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = config.omni.lib.filterPackages (
+      with pkgs;
+      [
+        # Browsers
+        firefox
+        chromium
+        brave
+        qutebrowser
+
+        # Communication
+        # discord
+        # slack
+        # telegram-desktop
+        signal-desktop
+        element-desktop
+        ferdium
+        # zoom-us
+        # teams-for-linux
+
+        # Bitcoin
+        sparrow
+
+        # Office
+        libreoffice
+        onlyoffice-desktopeditors
+        wpsoffice
+
+        # Note taking
+        obsidian
+        # logseq
+        # joplin-desktop
+        # zettlr
+
+        # Spaced repetition / learning
+        anki
+
+        # Email
+        # thunderbird
+        # aerc
+        # neomutt
+
+        # Calendar
+        calcurse
+        khal
+
+        # Password managers
+        bitwarden-desktop
+        keepassxc
+        pass
+
+        # Sync and backup
+        syncthing
+        nextcloud-client
+        rclone
+        restic
+        borgbackup
+      ]
+    );
+  };
+}