lorentz 55a80a07ad feat(09-02): GET + PUT /api/me/notification-subscriptions (matrix endpoint) ... - GET returns { eventKeys, channelTypes, matrix } where matrix defaults to true when no row exists (D-15 opt-out model) - PUT UPSERTs single row via composite PK ON CONFLICT - Validates: event_key (non-empty, <=128 chars), channel_type via isPersonalChannelType, enabled as typeof boolean - Write target always session.user.id (T-09-02-01, T-09-02-03)		2026-05-10 07:30:51 -04:00
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route.ts	feat(09-02): GET + PUT /api/me/notification-subscriptions (matrix endpoint)	2026-05-10 07:30:51 -04:00