Move the encrypted-key store from a single slot to a per-pubkey map so
several saved nsec accounts each keep their own key on the device and the
profile switcher can move between them. Previously bitvid:sessionActor:v1
held one key (last-saved wins), so switching among saved nsec accounts
silently failed.
- sessionActor.js: new bitvid:sessionActors:v2 map keyed by pubkey (follows
the existing bitvid:<thing>:<npub> convention). readStoredSessionActorEntry,
persistSessionActor, clearStoredSessionActor take an optional target pubkey;
legacy v1 slot is kept in sync as the last-saved default and migrated into
the map on first read. IndexedDB mirror keyed per-pubkey. Adds
listStoredSessionActorPubkeys().
- client.js: getStoredSessionActorMetadata / unlockStoredSessionActor accept a
target pubkey; access-denial cleanup forgets only the blocked account.
- nsec provider threads expectPubkey into the unlock so a switch unlocks the
requested account, with the expectPubkey guard as a backstop.
- authSessionCoordinator: look up the target account's stored-key metadata.
NIP-46 multi-account (single slot bitvid:nip46:session:v1) remains as a
follow-up. Tests: tests/session-actor-multi-account.test.mjs (7).
Co-Authored-By: Claude Opus 4.8 <[email protected]>
