Agent host: the VM is now nisse, not nisse-host

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01J5Utyfzw7gF7UhjRDEtjTk

tests/deploy/test_agent_host.py

@@ -71,7 +71,7 @@ def test_its_port_caddys_and_the_firewalls_agree() -> None:
     port = setting("SB_PORT")
     assert silverbullet()["ports"] == [f"0.0.0.0:{port}:3000"]  # IPv4 only
     caddy = (HOST / "caddy" / "vault.dongar.net.caddy").read_text()
-    assert f"reverse_proxy nisse-host.garrett-hall.com:{port}" in caddy
+    assert f"reverse_proxy nisse.garrett-hall.com:{port}" in caddy
     assert "@outside not remote_ip private_ranges" in caddy  # the LAN only