diff --git a/swarm-authelia-bridge-sock/src/lib.rs b/swarm-authelia-bridge-sock/src/lib.rs
index 890669f9..849961cd 100644
--- a/swarm-authelia-bridge-sock/src/lib.rs
+++ b/swarm-authelia-bridge-sock/src/lib.rs
@@ -75,7 +75,7 @@ pub struct AgentIdentity {
 /// The bridge's answer to a [`BridgeRequest`].
 ///
 /// `#[serde(tag = "status")]` rather than a bare `Result`-shaped wrapper: an
-/// external tag reads directly as one of three named outcomes on the wire
+/// external tag reads directly as a named outcome on the wire
 /// (`{"status":"created",...}`), with no separate "was this an error"
 /// boolean to keep in sync with which variant it is.
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -111,8 +111,13 @@ mod tests {
     use super::{AgentIdentity, BridgeRequest, BridgeResponse};
 
     /// Pins the external-tag wire shape — a reader off the wire (or a log
-    /// line) should be able to tell the three outcomes apart without
+    /// line) should be able to tell the outcomes apart without
     /// cross-referencing this crate's source.
+    ///
+    /// **Every variant, deliberately.** A test that claims to pin the wire
+    /// shape and covers all but one is worse than a narrower one: the next
+    /// variant gets added with nothing to remind its author that this is
+    /// where the shape is settled.
     #[test]
     fn response_variants_tag_on_status() {
         let created = serde_json::to_value(BridgeResponse::Created).unwrap();
@@ -121,6 +126,17 @@ mod tests {
         let exists = serde_json::to_value(BridgeResponse::AlreadyExists).unwrap();
         assert_eq!(exists, serde_json::json!({"status": "already_exists"}));
 
+        let agents = serde_json::to_value(BridgeResponse::Agents {
+            agents: vec![AgentIdentity {
+                name: "atlas".to_owned(),
+            }],
+        })
+        .unwrap();
+        assert_eq!(
+            agents,
+            serde_json::json!({"status": "agents", "agents": [{"name": "atlas"}]})
+        );
+
         let err = serde_json::to_value(BridgeResponse::Error {
             message: "boom".to_owned(),
         })