Valida que el script notify-developer.sh crea DM rooms con
encriptacion habilitada: initial_state con m.room.encryption,
algoritmo m.megolm.v1.aes-sha2, preset trusted_private_chat,
is_direct e invite presentes.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
