Add a standalone toast notification system (no Provider needed) and use it
for settings save feedback. Skip save when fields are empty. Remove save
button on Anilist local user select in favor of auto-save on change.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
For each series with missing volumes and an approved metadata link,
calls Prowlarr to find available matching releases and stores them in
a report (no auto-download). Includes per-series detail page, Telegram
notifications with per-event toggles, and stats display in the jobs table.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>