skydick: upgrade to nixos-25.11, add Spotlight + recycle bin ...

- Upgrade nixpkgs from nixos-24.11 to nixos-25.11 (Samba 4.20→4.22)
- Add overlay to build sambaFull with tracker/spotlight support
- Add Spotlight search with tracker backend for Finder search over SMB
- Add localsearch indexer service for public, media, and ldx files
- Add recycle bin (vfs recycle) for public/homes shares
- Add global fruit VFS for Apple compatibility
- Move fruit:model=TimeCapsule to ldx-timemachine share only
- Fix package renames for 25.11: targetcli→targetcli-fb, dstat→dool

Co-Authored-By: Claude Opus 4.6 <[email protected]>

skydick: add Telegraf monitoring with SMART, ZFS, and system metrics ...

Sends metrics to door1 InfluxDB (bucket: skydick) via Telegraf.
Monitors all 5 Mach2 SAS drives, NVMe P4500, and boot SSD via SMART.
InfluxDB token encrypted with agenix.

Co-Authored-By: Claude Opus 4.6 <[email protected]>

skydick: extract datapool.nix for Mach2 ZFS storage config ...

Move all storage-serving config (NFS, Samba, iSCSI, tmpfiles, firewall
ports, storage group) from default.nix into datapool.nix. Add Mach2
dual-actuator mirror layout documentation, new datasets (torrent, vm),
and clean permission model (setgid storage group for user data).

Co-Authored-By: Claude Opus 4.6 <[email protected]>

Add skydick SSH key, set xlab-gateway deploy to LAN IP ...

- Authorize ldx@skydick ed25519 key for cross-machine deploy-rs
- Change xlab-gateway deploy hostname to 10.253.254.1 (LAN, reachable
  from skydick)

Co-Authored-By: Claude Opus 4.6 <[email protected]>

deploy-rs: update xlab-gateway hostname, add NOPASSWD sudo ...

- Change xlab-gateway deploy hostname to WAN IP (166.111.98.29)
- Add NOPASSWD sudo rules for deploy-rs activation commands
  (nix-env, activate scripts)

Co-Authored-By: Claude Opus 4.6 <[email protected]>

Initial skyworks infrastructure flake ...

Unified NixOS configuration for skydick (storage server) and
xlab-gateway (lab router). Flat module structure with shared
common/users/ssh modules, agenix secrets, disko, and deploy-rs.

Co-Authored-By: Claude Opus 4.6 <[email protected]>