fix: harden extraction batch handling

site/static/app.js

@@ -162,7 +162,10 @@ async function runClassify() {
             btn.disabled = false;
             return;
           }
-          btn.innerHTML = '✓ ' + completed + '/' + total + ' документов извлечено';
+          // Partial jobs are terminal and usable, but must not look like full success.
+          var failed = d.failed || 0;
+          btn.innerHTML = (failed ? '⚠ ' : '✓ ') + completed + '/' + total + ' документов извлечено'
+            + (failed ? ' | ошибок: ' + failed : '');
           stepDone('stepClassify');
           stepActive('stepGroups');
           loadGroupsAction();
@@ -212,7 +215,9 @@ async function runClassify() {
       if (data.v3 && data.failed) summary += ' | ошибок: ' + data.failed;
       if (data.garbage) summary += ' | 🗑️ ' + data.garbage + ' мусор';
       if (data.types) summary += ' | ' + Object.entries(data.types).map(function (e) { return e[1] + '×' + e[0]; }).join(', ');
-      btn.innerHTML = '✓ ' + summary + ' (' + Math.round((Date.now() - start) / 1000) + 'с)';
+      // Continue to dossier rendering for partial success while keeping its warning visible.
+      btn.innerHTML = (data.v3 && data.partial ? '⚠ ' : '✓ ') + summary
+        + ' (' + Math.round((Date.now() - start) / 1000) + 'с)';
       stepDone('stepClassify');
       stepActive('stepGroups');
       loadGroupsAction();