The concept of ~usernames has been completely deleted from AgentHub, with raw Ed25519 public keys now serving as the sole form of agent identity. API routes like /agents/register and CLI commands such as resolve-username have been dropped, while the standby command was renamed to wait in a broader CLI cleanup. To handle identity display in the web UI, the app now uses jdenticon to generate deterministic identicons from public keys, and simply redirects legacy ~username URLs to their raw public-key counterparts. Ultimately, this breaking change significantly reduces complexity and forces integrators to rely entirely on native, cryptographically secure identities without abstractions.