fix: disconnect all shards when shard manager restarts, don't fetch old timeouts

Catalogger.Backend/Bot/ShardedGatewayClient.cs

@@ -115,7 +115,9 @@ public class ShardedGatewayClient(
             _logger.Information("Started shard {ShardId}/{ShardCount}", shardIndex, TotalShards);
         }
 
-        return await await Task.WhenAny(tasks);
+        var taskResult = await await Task.WhenAny(tasks);
+        Disconnect();
+        return taskResult;
     }
 
     public int ShardIdFor(ulong guildId) => (int)((guildId >> 22) % (ulong)TotalShards);
@@ -136,6 +138,17 @@ public class ShardedGatewayClient(
             client.Dispose();
     }
 
+    private void Disconnect()
+    {
+        _logger.Information("Disconnecting from Discord");
+        foreach (var shardId in _gatewayClients.Keys)
+        {
+            _logger.Debug("Disposing shard {shardId}", shardId);
+            if (_gatewayClients.Remove(shardId, out var client))
+                client.Dispose();
+        }
+    }
+
     private IOptions<DiscordGatewayClientOptions> CloneOptions(
         DiscordGatewayClientOptions options,
         int shardId

Catalogger.Backend/Database/Repositories/TimeoutRepository.cs

@@ -20,7 +20,11 @@ public class TimeoutRepository(DatabaseConnection conn) : IDisposable, IAsyncDis
         );
 
     public async Task<List<DiscordTimeout>> GetAllAsync() =>
-        (await conn.QueryAsync<DiscordTimeout>("select * from timeouts order by id")).ToList();
+        (
+            await conn.QueryAsync<DiscordTimeout>(
+                "select * from timeouts where until > now() order by id"
+            )
+        ).ToList();
 
     public async Task<DiscordTimeout> SetAsync(
         Snowflake guildId,