Return full chat list

server/QMax.Api/Controllers/ChatsController.cs

@@ -30,7 +30,6 @@ public sealed class ChatsController(
             .OrderByDescending(x => x.IsPinned)
             .ThenByDescending(x => x.UnreadCount > 0)
             .ThenByDescending(x => x.LastMessageAt ?? x.UpdatedAt)
-            .Take(200)
             .ToArray();
 
         return chats.Select(projection.ToDto).ToArray();

tests/QMax.Tests/ApiSmokeTests.cs

@@ -110,6 +110,48 @@ public sealed class ApiSmokeTests : IDisposable
         });
     }
 
+    [Fact]
+    public async Task ChatListReturnsAllChatsBeyondLegacyLimit()
+    {
+        using var factory = _factory.WithWebHostBuilder(builder =>
+        {
+            builder.ConfigureTestServices(services =>
+            {
+                services.RemoveAll<IHostedService>();
+            });
+        });
+        using var client = factory.CreateClient();
+        await LoginAsync(client);
+
+        using (var scope = factory.Services.CreateScope())
+        {
+            var db = scope.ServiceProvider.GetRequiredService<QMaxDbContext>();
+            for (var index = 0; index < 221; index++)
+            {
+                db.Chats.Add(new Chat
+                {
+                    ExternalId = $"bulk-chat-{index:D3}",
+                    Title = index switch
+                    {
+                        219 => "\u0421\u0430\u0438\u0434",
+                        220 => "\u0410\u043d\u044e\u0442\u0430",
+                        _ => $"Bulk Chat {index:D3}"
+                    },
+                    Kind = ChatKind.MaxDialog,
+                    LastMessageAt = DateTimeOffset.UtcNow.AddMinutes(-index)
+                });
+            }
+
+            await db.SaveChangesAsync();
+        }
+
+        var chats = await client.GetFromJsonAsync<ChatDto[]>("/api/chats", JsonOptions);
+        Assert.NotNull(chats);
+        Assert.Equal(221, chats!.Count(x => x.ExternalId?.StartsWith("bulk-chat-", StringComparison.Ordinal) == true));
+        Assert.Contains(chats, x => x.Title == "\u0421\u0430\u0438\u0434");
+        Assert.Contains(chats, x => x.Title == "\u0410\u043d\u044e\u0442\u0430");
+    }
+
     [Fact]
     public async Task SyncMergesLateDiscoveredAttachmentsIntoExistingMessage()
     {