The stream is mail, not shouted

Matches portal 0.3.44. The unit runs /usr/bin/gdo.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

src/main.rs

@@ -1,7 +1,7 @@
 //! gdo - the transmitter that sends the code through the gate so the
 //! iris opens. Portal (uhhm/portal) decides when a person hears
 //! something and renders the mail; gdo holds a durable consumer on
-//! the `WORMHOLE` stream and hands each message to the host's SMTP.
+//! the `mail` stream and hands each message to the host's SMTP.
 //! No site knowledge, no state of its own: if it dies, the stream
 //! keeps the mail until it is back.
 //!
@@ -22,7 +22,7 @@ use std::time::Duration;
 
 /// Portal's side of this contract is `portal::mail`. Same names, same
 /// stream config, so whichever boots first creates it.
-const STREAM: &str = "WORMHOLE";
+const STREAM: &str = "mail";
 const SUBJECTS: &str = "portal.mail.>";
 const SUBJECT: &str = "portal.mail.send";
 const CONTRACT: u8 = 1;
@@ -255,7 +255,7 @@ async fn probe(cfg: Config, to: &str, from: &str) -> anyhow::Result<()> {
     let mut headers = async_nats::HeaderMap::new();
     headers.insert("Nats-Msg-Id", id.as_str());
     js.publish_with_headers(SUBJECT, headers, serde_json::to_vec(&mail)?.into()).await?.await?;
-    println!("sent {id} into {STREAM}");
+    println!("sent {id} into stream {STREAM}");
     let deadline = tokio::time::Instant::now() + Duration::from_secs(60);
     loop {
         let Ok(mut consumer) = stream.get_consumer::<async_nats::jetstream::consumer::pull::Config>(&cfg.consumer).await else {