Capture current Ansible control plane state

Commit the accumulated infrastructure work that was living only in the
working tree: monitoring stack, emergency access/bot, gyro allocator,
grimmory, adguard, backup audit and the OpenCode agent definitions.

Also ignore Python bytecode, local archives and Nix/direnv artifacts.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GTocXkGUUazHdKKd3r9k71

ansible/roles/emergency_access/templates/emergency-control.j2

@@ -0,0 +1,27 @@
+#!/bin/sh
+set -eu
+
+case "${SSH_ORIGINAL_COMMAND:-}" in
+  start)
+    /usr/bin/sudo /usr/bin/systemctl start emergency-reverse-ssh.service
+    /usr/bin/sudo /usr/bin/systemctl restart emergency-reverse-ssh.timer
+    /usr/bin/systemctl is-active --quiet emergency-reverse-ssh.service
+    printf 'started; expires in {{ emergency_tunnel_ttl }}\nConnect:\nssh -i ~/.ssh/id_ed25519_homelab_ansible -o IdentitiesOnly=yes -J vps -p 22010 ansible@127.0.0.1\n'
+    ;;
+  stop)
+    /usr/bin/sudo /usr/bin/systemctl stop emergency-reverse-ssh.timer
+    /usr/bin/sudo /usr/bin/systemctl stop emergency-reverse-ssh.service
+    printf 'stopped\n'
+    ;;
+  status)
+    if /usr/bin/systemctl is-active --quiet emergency-reverse-ssh.service; then
+      /usr/bin/systemctl show --property=ActiveState --property=ActiveEnterTimestamp --value emergency-reverse-ssh.service
+    else
+      printf 'stopped\n'
+    fi
+    ;;
+  *)
+    printf 'unsupported command\n' >&2
+    exit 64
+    ;;
+esac