LOTUS_BUGS.md: new Encryption/E2EE section tagged EXTREME complexity +
planning-session-required for a senior-engineer deep dive — OTK upload
conflict storm (KE-1), Element Call media-key distribution failures causing
audio/video dropouts (KE-2), a timeline decryption error (KE-3), and
MatrixRTC delayed-event timeouts (KE-4). All observed live 2026-06-30; not
caused by the EC fork work. Plus a non-developer ELEMENT_CALL_TEST_CHECKLIST.md.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
