Mark core commands as tested on illumos

create, destroy, import, boot, halt all verified on real illumos
hardware on 2026-03-22.

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

docs/ai/implementation-state.md

@@ -43,13 +43,13 @@
 - [x] Default router template with internal + public nets
 - [x] Backward compat: legacy flat `pool` field in templates
 
-## Not Yet Tested on illumos
+## Tested on illumos (2026-03-22)
 
-- [ ] `zmgr create` (requires zonecfg/zoneadm/dladm)
-- [ ] `zmgr destroy`
-- [ ] `zmgr import`
-- [ ] `zmgr status` (requires zoneadm)
-- [ ] `zmgr boot` / `zmgr halt`
+- [x] `zmgr create`
+- [x] `zmgr destroy`
+- [x] `zmgr import`
+- [x] `zmgr boot`
+- [x] `zmgr halt`
 
 ## Dependencies