docs(tasks): mark web-permissions feature complete (Phases 1-5 + polish)
Final summary entry capturing all the work that landed on 2026-04-27
across 11 commits. The web permissions feature now ships with:
* Backend handler + per-permission policy + stored-decision persistence
* Page-host prompt overlay (favicon, queueing, remember-checkbox,
glyphs)
* Settings → Permissions section (revocation UI, sorted by origin,
count badge, relative timestamps)
* Pure `resolveWithStored` invariant unit-tested
* 22 unit tests + 12 Playwright tests (6 prompt + 6 settings)
Future work tracked: per-origin "Revoke all" affordance, per-permission
default policy override, live pubsub refresh.