fix: Beállítások endless-refresh loop after a migration (v0.68.3)

The migration journal keeps returning the last completed job; the resume-view
watched any job and migWatch's done-branch reloads the page -> endless reload
loop after any migration. Resume-view now watches only in-progress jobs.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

controller/internal/web/templates/settings.html

@@ -390,8 +390,12 @@ function pollUntilBack() {
             .then(function(r){return r.json();}).then(function(d){ if(d.ok){ migWatch(); } else { alert('Hiba: '+(d.error||'ismeretlen')); } })
             .catch(function(e){ alert('Hiba: '+e); });
     }
-    // Resume view: if a migration is already running when the page loads, show the panel.
-    (function(){ fetch('/api/storage/migrate/status').then(function(r){return r.json();}).then(function(d){ if(d.data&&d.data.job){ migWatch(); } }).catch(function(){}); })();
+    // Resume view: if a migration is STILL IN PROGRESS when the page loads, show the panel and watch.
+    // Must NOT re-watch a terminal (done/aborted) job: the journal keeps returning the last completed
+    // job indefinitely, and migWatch's done-branch reloads the page — so watching a persisted 'done'
+    // job on every load creates an endless refresh loop. Only the active watcher (started from
+    // storageMigrateAll) should fire the one-time post-completion reload.
+    (function(){ fetch('/api/storage/migrate/status').then(function(r){return r.json();}).then(function(d){ var job=d.data&&d.data.job; if(job && job.phase!=='done' && job.phase!=='aborted'){ migWatch(); } }).catch(function(){}); })();
     </script>
     {{else}}
     <div class="empty-state" style="padding:1.5rem">