fixes

src/state.rs

@@ -41,9 +41,24 @@ pub struct NoteUpdate {
 #[derive(Debug, Clone, Serialize)]
 pub struct PresenceUser {
     pub name: String,
+    pub compact_name: String,
     pub color: Option<String>,
 }
 
+fn compact_presence_name(name: &str) -> String {
+    let trimmed = name.trim();
+    let Some((first, rest)) = trimmed.split_once('.') else {
+        return trimmed.to_string();
+    };
+    if first.is_empty() || rest.is_empty() {
+        return trimmed.to_string();
+    }
+    let Some(initial) = first.chars().next() else {
+        return trimmed.to_string();
+    };
+    format!("{initial}.{rest}")
+}
+
 #[derive(Debug, Clone)]
 struct PresenceConnection {
     identity: String,
@@ -158,6 +173,7 @@ impl AppState {
             PresenceConnection {
                 identity,
                 user: PresenceUser {
+                    compact_name: compact_presence_name(&nickname),
                     name: nickname,
                     color,
                 },