From a connected doorbell to Home Assistant: reverse-engineering a Netatmo/BTicino intercom with an AI agent and a virtual phone
A field report on bringing a cloud-locked Legrand/BTicino Home + Security video intercom into Home Assistant: an instrumented mobile session, the OAuth2 protocol read off decrypted TLS, the stateful websocket precondition that actually makes the door open, and the camera's signed snapshot URLs.