Add remaining seconds display during rate-limit and improve cooldown handling

client/src/app/torrent-table/torrent-table.component.html

@@ -18,6 +18,9 @@
     <strong>Debrid provider rate limit reached</strong>
     <br />
     Processing paused until {{ rateLimitStatus.nextDequeueTime | date: 'medium' }}
+    @if (rateLimitStatus.secondsRemaining > 0) {
+      ({{ rateLimitStatus.secondsRemaining | number: '1.0-0' }} seconds remaining)
+    }
   </div>
 }
 <div class="table-container">

server/RdtClient.Service/Services/TorrentRunner.cs

@@ -13,6 +13,8 @@ namespace RdtClient.Service.Services;
 
 public class TorrentRunner(ILogger<TorrentRunner> logger, Torrents torrents, Downloads downloads, RemoteService remoteService, IHttpClientFactory httpClientFactory, IRateLimitCoordinator coordinator)
 {
+    private DateTimeOffset? _lastNextAllowedAt;
+
     public static readonly ConcurrentDictionary<Guid, DownloadClient> ActiveDownloadClients = new();
     public static readonly ConcurrentDictionary<Guid, UnpackClient> ActiveUnpackClients = new();
 
@@ -113,6 +115,26 @@ public class TorrentRunner(ILogger<TorrentRunner> logger, Torrents torrents, Dow
         var sw = new Stopwatch();
         sw.Start();
 
+        var currentNextAllowedAt = coordinator.GetMaxNextAllowedAt();
+        if (currentNextAllowedAt != _lastNextAllowedAt)
+        {
+            if (currentNextAllowedAt == null || currentNextAllowedAt <= DateTimeOffset.UtcNow)
+            {
+                if (_lastNextAllowedAt > DateTimeOffset.UtcNow)
+                {
+                    Log("Rate-limit cooldown expired, resuming dequeuing");
+
+                    await remoteService.UpdateRateLimitStatus(new()
+                    {
+                        NextDequeueTime = null,
+                        SecondsRemaining = 0
+                    });
+                }
+            }
+
+            _lastNextAllowedAt = currentNextAllowedAt;
+        }
+
         if (!ActiveDownloadClients.IsEmpty || !ActiveUnpackClients.IsEmpty)
         {
             Log($"TorrentRunner Tick Start, {ActiveDownloadClients.Count} active downloads, {ActiveUnpackClients.Count} active unpacks");
@@ -742,13 +764,17 @@ public class TorrentRunner(ILogger<TorrentRunner> logger, Torrents torrents, Dow
     {
         coordinator.UpdateCooldown("General", retryAfter);
         var nextDequeueTime = coordinator.GetMaxNextAllowedAt();
+        var now = DateTimeOffset.UtcNow;
+        var secondsRemaining = nextDequeueTime.HasValue ? (nextDequeueTime.Value - now).TotalSeconds : 0;
 
         Log($"Rate-limit reached, pausing dequeuing for {retryAfter.TotalMinutes} minutes (until {nextDequeueTime}): {message}");
 
+        _lastNextAllowedAt = nextDequeueTime;
+
         await remoteService.UpdateRateLimitStatus(new()
         {
             NextDequeueTime = nextDequeueTime,
-            SecondsRemaining = retryAfter.TotalSeconds
+            SecondsRemaining = secondsRemaining
         });
     }