diff --git a/src/servers/notifications/catalogue.ts b/src/servers/notifications/catalogue.ts
index 4dded5eb..905e3bc8 100644
--- a/src/servers/notifications/catalogue.ts
+++ b/src/servers/notifications/catalogue.ts
@@ -137,6 +137,24 @@ const CORE_ENTRIES: Record<string, NotificationEntry> = {
     matters: it is the fallback when it doesn't, and it is what makes the thread group per commander rather
     than piling every commander into one stack.
   */
+  /*
+    A message from the owner, in their own words.
+
+    The plainest possible entry: both fields are the producer's and this adds nothing around them. It
+    exists because `officer/core:test` has fixed words and `officer/core:commander` prefixes a name, so
+    there was no way to say one sentence to somebody without it arriving dressed as something else.
+
+    Same trade as every producer-text notification — the words go through Apple and Google. See
+    `sidecar/notify/types.ts`. This one is the case where that is most obviously the point: it is a
+    message TO a person, and a message they cannot read is not one.
+  */
+  'officer/core:message': {
+    title: '{title}',
+    body: '{body}',
+    target: 'mobile',
+    route: 'officer://',
+    thread: 'officer/core:message',
+  },
   'officer/core:commander': {
     // `{title}` is the commander's NAME and `{body}` its sentence — the commander supplies both and this
     // decides what they look like. It sends "Voice Memos", never "Commander: Voice Memos": the prefix is