docs: update hivectl verb list in CLAUDE.md (add gateway, agents, choom)

CLAUDE.md

@@ -27,13 +27,19 @@ hive-c0re/         host daemon + sibling operator CLI (lib + 2 bins)
                          vacuum tasks.
   src/bin/hivectl.rs    `hivectl` binary: operator-facing host CLI
                          for ad-hoc administration that doesn't go
-                         through the broker. v0 verbs: `forge
-                         create-user <name>`, `matrix create-user
-                         <name>` — wrap the same idempotent
-                         `forge::ensure_user_for` /
-                         `matrix::ensure_user_for` flows c0re runs
-                         in its boot sweeps, callable manually for
-                         recovery / debug.
+                         through the broker. Verbs: `forge
+                         create-user <name>` / `matrix create-user
+                         <name>` — manual entry points to the same
+                         idempotent provisioning flows c0re runs at
+                         boot; `gateway create-user|delete-user|
+                         list-users` — BCrypt htpasswd management for
+                         gateway HTTP Basic auth; `agents list|kill|
+                         restart|restart-all` — container management
+                         without the broker; `choom <name> [--fresh]`
+                         — exec into `machinectl shell h-<name>`
+                         running `claude --continue` (or fresh) so
+                         the operator can drop into the agent's live
+                         Claude session interactively.
   src/server.rs         host admin socket (HostRequest → dispatch)
   src/client.rs         admin-socket client
   src/manager_server.rs manager-privileged socket (ManagerRequest)