Deactivate completed Orleans grains after TTL

server/src/Vanguard.Server/Matches/MatchGrainRegistry.cs

@@ -127,18 +127,32 @@ public sealed class MatchGrainRegistry
 
     public void Remove(string matchId) => _matches.TryRemove(matchId, out _);
 
-    public void RemoveExpired(DateTimeOffset now)
+    public async Task RemoveExpiredAsync(DateTimeOffset now)
     {
         var ttl = TimeSpan.FromSeconds(_options.CompletedMatchTtlSeconds);
 
         foreach (var (matchId, match) in _matches)
         {
             var summary = match.Summary;
-            if (summary.IsFinished && summary.FinishedAt is { } finishedAt && now - finishedAt >= ttl)
+            if (!summary.IsFinished || summary.FinishedAt is not { } finishedAt || now - finishedAt < ttl)
+                continue;
+
+            if (!_matches.TryRemove(matchId, out _))
+                continue;
+
+            if (match is OrleansMatchAdapter adapter)
             {
-                _matches.TryRemove(matchId, out _);
-                _logger.LogInformation("Match {MatchId} removed after completion.", matchId);
+                try
+                {
+                    await adapter.DeactivateAsync();
+                }
+                catch (Exception exception)
+                {
+                    _logger.LogDebug(exception, "Match {MatchId}: Orleans deactivation failed.", matchId);
+                }
             }
+
+            _logger.LogInformation("Match {MatchId} removed after completion.", matchId);
         }
     }
 }

server/src/Vanguard.Server/Matches/MatchTicker.cs

@@ -42,7 +42,7 @@ public sealed class MatchTicker : BackgroundService
                 }
             }
 
-            _registry.RemoveExpired(now);
+            await _registry.RemoveExpiredAsync(now);
         }
     }
 }

server/src/Vanguard.Server/Matches/Orleans/IMatchActor.cs

@@ -31,6 +31,9 @@ public interface IMatchActor : IGrainWithStringKey
     Task<MatchSummaryData> GetSummaryAsync();
 
     Task<bool> HasPlayerAsync(string playerId);
+
+    /// <summary>Выгрузить завершённый матч из silo после TTL.</summary>
+    Task DeactivateAsync();
 }
 
 [GenerateSerializer]

server/src/Vanguard.Server/Matches/Orleans/MatchActorGrain.cs

@@ -146,6 +146,12 @@ public sealed class MatchActorGrain : Grain, IMatchActor
         return match.HasPlayer(playerId);
     }
 
+    public Task DeactivateAsync()
+    {
+        DeactivateOnIdle();
+        return Task.CompletedTask;
+    }
+
     private async Task<MatchGrain> RequireAsync()
     {
         await EnsureInitializedAsync();

server/src/Vanguard.Server/Matches/Orleans/OrleansMatchAdapter.cs

@@ -88,6 +88,11 @@ public sealed class OrleansMatchAdapter : IMatchGrain
         await RefreshAsync();
     }
 
+    public async Task DeactivateAsync()
+    {
+        await _actor.DeactivateAsync();
+    }
+
     private async Task RefreshAsync()
     {
         try