Kevin Veen-Birkenbach b90a2f6c87
sys-ctl-alm-{email,telegram}: unescape instance names before alerts
Use `systemd-escape --unescape` to restore human-readable unit identifiers in
Telegram and Email alerts. Also ensure Telegram messages are URL-encoded and
Email status checks try both raw and escaped forms for robustness.

Fixes issue where slashes were shown as dashes in notifications.

Context: see ChatGPT conversation
https://chatgpt.com/share/68a4c171-db08-800f-8399-7e07f237a441
2025-08-19 20:25:15 +02:00
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