Cut the comment bloat from the Podman playbooks

Comment blocks now stay within three lines and explain only the non-obvious. Long histories, include examples, and commented-out code are gone. No task, key, or value changed; the only data change is comment text inside the generated unit files.

sms-wa-bridge/roles/caddy/handlers/main.yaml

@@ -1,32 +1,16 @@
 ---
-# Caddy is its own playbook (caddy/playbook.yml) and a rootless Quadlet unit
-# there. These handlers run as the connection user, so `systemctl --user` and
-# `podman exec` work without any XDG_RUNTIME_DIR juggling.
-#
-# Restart Caddy carries `when: not ansible_check_mode` — unlike the other copies
-# of this file in the repository, which predate the idea — so that a `--check`
-# run of this playbook is a preview and not a partial deploy. The `command`
-# handler below needs no guard: Ansible skips those under --check on its own.
 
-# Notified by this role when the Caddyfile changes. A reload keeps existing
-# connections; a restart would briefly drop every hosted site.
-#
-# Note the config path: /etc/caddy/Caddyfile is the mount inside the container,
-# not {{ caddyfile_path }}, which is the host side of it.
+# A reload keeps live connections; a restart would drop every hosted site.
+# The path is inside the container, not the host {{ caddyfile_path }}.
 - name: Reload Caddy configuration
   ansible.builtin.command: >-
     podman exec {{ caddy_name }} caddy reload --config /etc/caddy/Caddyfile
   changed_when: true
   listen: "Reload Caddy"
 
-# Notified by caddy/roles/register when this service's network unit, or the
-# drop-in that attaches Caddy to it, is written. Quadlet has no live equivalent
-# of `docker network connect`, so the container has to be recreated — a brief
-# restart of every hosted site, not just this one. See caddy/readme.md,
-# "Trade-off worth knowing".
-#
-# Defined after the reload above so that when both are notified the cheap config
-# reload happens first.
+# Quadlet cannot attach a network live, so Caddy must be recreated.
+# Defined after the reload so the cheap reload runs first when both are notified.
+# Under --check the unit was never written, so skip the restart.
 - name: Restart Caddy
   ansible.builtin.systemd_service:
     name: "{{ caddy_name }}.service"

sms-wa-bridge/roles/caddy/tasks/main.yaml

@@ -1,14 +1,4 @@
 ---
-# Append this site's block to the shared Caddyfile.
-#
-# The Caddyfile is a bind mount into the Caddy container, so Caddy sees the
-# change as soon as the file is written; the handler only asks Caddy to re-read
-# it. That is a reload, not a restart, so the other hosted sites are untouched.
-#
-# blockinfile is idempotent on its own via the marker, so there is no need to
-# slurp the file and compare first — which also matters because slurp *fails*
-# when the Caddyfile does not exist yet, on a host where the Caddy playbook has
-# not run.
 
 - name: "Add the {{ host }} site block to the Caddyfile"
   ansible.builtin.blockinfile: