v2.5.51 – v2.5.56 — 2026-07-07

• fix(import): show a clear message when re-syncing a redirect (instead of a generic toast)
• feat(domains): make the redirect option discoverable + fix alias docs
• docs: fill major gaps + fix stale WAF page
• fix(toolkit): stop pre-update DB snapshots from filling the disk on auto-update
• fix(agent): retroactively prune accumulated toolkit snapshots on start
• fix(import): clear message for re-sync of a webspace-less domain + statusDone label
• chore(deps): bump quic-go v0.59.0->v0.59.1 (GO-2026-5676 HTTP/3 QPACK memory exhaustion)
• feat(perf): global nginx tuning + FastCGI micro-cache toggle (WordPress/Joomla)