Upload hub_dashboard.html

hub_dashboard.html

@@ -3913,16 +3913,31 @@ setInterval(function(){
   async function pollTrainingLogs() {
     try {
       const res = await fetch('/api/ranker/logs/recent?limit=80');
-      if (!res.ok) throw new Error(res.status);
-      const json = await res.json();
+      // v2.3: always parse JSON even on non-2xx; service now always returns JSON
+      let json;
+      try {
+        json = await res.json();
+      } catch (parseErr) {
+        // Response was not JSON (e.g. HTML error page from a proxy)
+        throw new Error('HTTP ' + res.status + ' — non-JSON response from /api/ranker/logs/recent');
+      }
+      if (!res.ok) {
+        // Service returned an error object — show it but don't abort
+        const errMsg = json.error || ('HTTP ' + res.status);
+        const term = document.getElementById('training-log-terminal');
+        if (term && !_termLines.length) {
+          term.innerHTML = '<div class="tlog-error" style="font-size:11px">⚠ ' + escHtml(errMsg) + '</div>';
+        }
+        return;
+      }
       const entries = json.logs || [];
       updateTerminal(entries);
       updateTrainingKPIs(entries);
     } catch(err) {
-      // Silently tolerate connection errors — dashboard may run offline
+      // Silently tolerate transient connection errors — show detail on first failure
       const term = document.getElementById('training-log-terminal');
       if (term && !_termLines.length) {
-        term.innerHTML = '<div class="tlog-error">Error loading logs — ' + escHtml(err.message) + '</div>';
+        term.innerHTML = '<div class="tlog-error" style="font-size:11px">⚠ ' + escHtml(err.message) + '</div>';
       }
     }
   }