sync with labv2.nix + standalone flake with toDisk app

Previous history:
- c359054 daku working!
- 8de5cff fix integer overflow in vmix network lib
- 9c25a66 daku on 25.05. with ollama
- 385a3bf vmix enables relaxed sandbox
- c363da1 restructure vmixLib into linux/windows subattrs with OS-specific customizeImage
- edd4dc2 vmix: port namespace model and module improvements from conf.nix
- 6666ecf vmix: add SPICE support, install virtio guest tools with SPICE agent
- 46f5671 vmix: add QEMU guest agent channel for Windows VMs
- e1fea34 vmix: add Win11 LTSC 2024 image, refactor VirtIO driver selection
- c27ae68 vmix: make customizeImage chroot-sandboxed by default, opt-in impure
- 305fbac virt customize needs chroot for now due to usr bin env things. could be fixed later
- 264d30f vmix: add win10 VM on desk, disable SMB signing for guest Samba access
- 9b64f51 vmix: split Windows templates into per-category files, add comprehensive debloat
- ef91bf8 vmix: fix missing parent registry keys in Windows templates
- f87f340 win10 VM on panda with AMD GPU + USB passthrough
- 38e474f vmix: split Windows build into Audit Mode install + composable templates
- a6a8db3 vmix: win11 support, remove build VNC, switch VMs to SPICE
- 6cf5a21 generalize stage sets bg color, accent color and sets visual effects to performance
- a84849f remove rdp template since it doesn't even work
- 5245263 vmix: best performance template + generalize cleanup
- ab12dd3 vmix: use CopyProfile for best performance visual effects
- bce3326 vmix: CopyProfile for best performance visual effects
- 2496107 vmix: add app templates (7zip, VLC, ImageGlass, Edge WebView, VC++ runtimes)
- 29a6123 wip: debug default associations xml
- 2a2e5f5 vmix: fix DefaultAssociations.xml cmd.exe escaping
- cc6ff9d vmix: move DefaultAssociations.xml to template only
- a4a78ec vmix: add removeWMP template to remove Windows Media Player
- 3fe56de vmix: improved Edge removal (files, shortcuts, scheduled tasks)
- a491767 vmix: fully remove Edge via post-oobe AppxPackage removal
- 6ca1619 vmix: remove Edge DevToolsClient SystemApps + AppxPackage
- 0c1ec35 vmix: sandboxie windows app template
- 628bbd2 vmix: add Sandboxie-Plus template
- f055a41 vmix: reorganize templates, add file associations, remove Paint
- 34326f4 vmix: set Thorium as default browser via PS-SFTA in post-oobe
- 86af258 vmix: Active Setup for default browser (all users, no post-oobe needed)
- 35b8cb0 remove vnc display from thorium template
- c7e0af6 vmix: fix Win11 generalize timeout + UCPD disable for URL associations
- 43a1345 vmix: add Office 2024 template + Ohook activation in generalize
- 03bbce0 vmix: updated office installation xml. more privacy options enabled
- 790a0ee vmix: thorium installation - hide SFTA window
- a0e5c18 vmix: fix office install.bat call + add privacy registry policies
- 3df38ca vmix: fix Ohook activation + suppress Office theme dialog
- df39ba3 vmix: remove sandboxie shortcut from desktop
- 50d5972 vmix: skip Sandboxie desktop shortcut via installer flag
- ee2fa0f vmix: fix win10 default browser
- 938315b vmix: windows: set accent color to automatic. remove accent color from unnecessary elements
- beceda8 vmix: allow ISO-only VMs without OS disk, add WinPE VM to panda

Flake outputs: overlays.default, nixosModules.default, lib, apps.toDisk

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

lib/images/windows/templates/apps/office.nix

@@ -0,0 +1,29 @@
+# Install Microsoft Office 2024 (Word, Excel, PowerPoint) via offline deployment
+{ pkgs, makeFilesISO, ... }:
+let
+  officeSrc = pkgs.fetchurl {
+    url = "https://git.sagar.ch/dotfiles/office-2024-word-excel-powerpoint/archive/4351e8d93ceb28f65de9ec4dc9c27dccbe91ff34.zip";
+    hash = "sha256-ulNecpkUH6O9cqYhgtmG++a1gi+c4HIR1Vvo22VygJs=";
+  };
+in {
+  name = "office";
+  cdroms = [ (makeFilesISO { name = "office"; files = [ officeSrc ]; }) ];
+  auditScript = ''
+    @echo off
+    echo Installing Microsoft Office 2024...
+    call D:\office-2024-word-excel-powerpoint\install.bat
+
+    :: Office privacy policies (HKCU, preserved to new users via CopyProfile)
+    reg add "HKCU\Software\Policies\Microsoft\office\16.0\common\privacy" /v "disconnectedstate" /t REG_DWORD /d 2 /f >nul
+    reg add "HKCU\Software\Policies\Microsoft\office\16.0\common\privacy" /v "usercontentdisabled" /t REG_DWORD /d 2 /f >nul
+    reg add "HKCU\Software\Policies\Microsoft\office\16.0\common\privacy" /v "downloadcontentdisabled" /t REG_DWORD /d 2 /f >nul
+    reg add "HKCU\Software\Policies\Microsoft\office\16.0\common\privacy" /v "controllerconnectedservicesenabled" /t REG_DWORD /d 2 /f >nul
+    reg add "HKCU\Software\Policies\Microsoft\office\common\clienttelemetry" /v "sendtelemetry" /t REG_DWORD /d 3 /f >nul
+
+    :: incase of enabling connected experiences, this disables the dialog box that shows at first run
+    :: reg add "HKCU\SOFTWARE\Microsoft\Office\16.0\Common\Privacy\SettingsStore\Anonymous" /v "OptionalConnectedExperiencesNoticeVersion" /t REG_DWORD /d 2 /f >nul
+
+    :: supress dialogbox - Choose your theme for 365 Apps
+    reg add "HKCU\SOFTWARE\Microsoft\Office\16.0\Common\PromoDialog" /v "FluentWelcomeDialogShown" /t REG_DWORD /d 1 /f >nul
+  '';
+}