van-thermal fires its first sample seconds after start, and the Pi often
boots hot — order after network-online.target and retry network failures
in the Pushover send path (3 attempts, 15s apart) so that page survives
DNS not being up yet. Non-200 responses still don't retry.
The Quadlet gets StopTimeout=120: podman's default 10s window SIGKILLed
HA mid-flush and the recorder complained about an unclean sqlite shutdown
on every start. Verified clean after a full stop/start cycle.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>