fix: complete catalog pagination and recovery states

app/static/admin.js

@@ -3,11 +3,7 @@
     "full_name",
     "status",
     "positions",
-    "hse_start_year",
-    "email",
-    "academic_degree",
     "last_seen_at",
-    "dismissed_at",
     "profile",
   ];
   const storageKey = "miem.directory.columns";
@@ -85,6 +81,11 @@
   function setupProgress() {
     const panel = document.querySelector("[data-progress-panel]");
     if (!panel) return;
+    const state = document.createElement("p");
+    state.className = "progress-panel__empty";
+    state.setAttribute("role", "status");
+    panel.append(state);
+    let pending = false;
 
     const update = (run) => {
       if (!run) return;
@@ -111,17 +112,31 @@
     };
 
     const poll = async () => {
+      if (pending) return true;
+      pending = true;
+      state.textContent = "Обновляем прогресс…";
+      panel.setAttribute("aria-busy", "true");
       try {
-        const response = await fetch("/api/crawl-runs/latest", { credentials: "same-origin" });
+        const response = await fetch("/api/crawl-runs/latest", {
+          credentials: "same-origin",
+          signal: AbortSignal.timeout(15000),
+        });
         if (!response.ok) throw new Error("progress request failed");
         const data = await response.json();
         const run = data.running || data.latest;
         update(run);
+        state.textContent = run ? "Прогресс обновлён" : "Запусков пока нет. Запустите парсинг.";
+        const error = document.querySelector("[data-progress-error]");
+        if (error) error.hidden = true;
         return Boolean(data.running);
       } catch (_error) {
         const error = document.querySelector("[data-progress-error]");
         if (error) error.hidden = false;
+        state.textContent = "Показаны последние полученные данные. Прогресс может быть устаревшим.";
         return true;
+      } finally {
+        pending = false;
+        panel.setAttribute("aria-busy", "false");
       }
     };