feat(journal): live updates on new entry via SSE (/api/events) — admin journal auto-refreshes when a student submits

public/js/journal.js

@@ -219,6 +219,29 @@ function goPage(p) {
   loadEntries();
 }
 
+let liveSource = null;
+let liveReconnectTimer = null;
+function connectLiveUpdates() {
+  if (liveSource) { liveSource.close(); liveSource = null; }
+  const connect = () => {
+    const t = sessionStorage.getItem('authToken');
+    if (!t) return;
+    liveSource = new EventSource(`${API}/api/events?token=${encodeURIComponent(t)}`);
+    liveSource.addEventListener('entries_changed', () => {
+      showToast('Поступила новая запись — список обновлён');
+      page = 1;
+      loadEntries();
+    });
+    liveSource.onerror = () => {
+      if (liveSource) { liveSource.close(); liveSource = null; }
+      if (liveReconnectTimer) clearTimeout(liveReconnectTimer);
+      liveReconnectTimer = setTimeout(connect, 5000);
+    };
+  };
+  connect();
+  window.addEventListener('beforeunload', () => { if (liveSource) liveSource.close(); });
+}
+
 async function openEdit(id) {
   const e = currentEntries.find(x => x.id === id);
   if (!e) return;
@@ -670,5 +693,6 @@ document.getElementById('linkCopyBtn').addEventListener('click', copyLink);
     loadGroupOptions();
     loadStudentOptions();
     loadEntries();
+    connectLiveUpdates();
   }
 })();