Sender DSN
A send-only credential used by CI/CD, cron or server scripts to send encrypted signals into one pipe.
Relay
The Nerve service that routes encrypted records and delivery metadata.
Ciphertext
Encrypted alert content. The relay should not need plaintext alert payloads.
Signed action
An optional command path where the mobile identity signs an action request for a trusted agent.
Agent
A process the user runs on infrastructure they control when they want bounded signed actions. It is not SSH.