feat(#21): support selected telegram topics for schedules

Route new schedules to an existing forum topic when /newsession is sent inside one, create bot-owned topics only from the forum root, and keep group notifications/dashboard updates threaded to the stored topic.

Persist topic ownership so deletion only removes empty bot-created topics, add topic routing tests and smoke coverage, and bump release metadata to 1.14.0.

src/GmRelay.Bot/Features/Sessions/ListSessions/DeleteSessionHandler.cs

@@ -1,6 +1,7 @@
 using Dapper;
 using Npgsql;
 using Telegram.Bot;
+using GmRelay.Bot.Infrastructure.Telegram;
 using GmRelay.Shared.Domain;
 
 namespace GmRelay.Bot.Features.Sessions.ListSessions;
@@ -12,7 +13,13 @@ public sealed record DeleteSessionCommand(
     long ChatId,
     int MessageId);
 
-internal sealed record DeleteSessionInfoDto(string Title, Guid BatchId, bool CanManage, int? ThreadId);
+internal sealed record DeleteSessionInfoDto(
+    string Title,
+    Guid BatchId,
+    Guid GroupId,
+    bool CanManage,
+    int? ThreadId,
+    bool TopicCreatedByBot);
 
 public sealed class DeleteSessionHandler(
     NpgsqlDataSource dataSource,
@@ -29,7 +36,9 @@ public sealed class DeleteSessionHandler(
             """
             SELECT s.title AS Title,
                    s.batch_id AS BatchId,
+                   s.group_id AS GroupId,
                    s.thread_id AS ThreadId,
+                   s.topic_created_by_bot AS TopicCreatedByBot,
                    EXISTS (
                        SELECT 1
                        FROM group_managers gm
@@ -57,15 +66,23 @@ public sealed class DeleteSessionHandler(
         // 2. Delete session
         await connection.ExecuteAsync("DELETE FROM sessions WHERE id = @Id", new { Id = command.SessionId }, transaction);
 
-        // 3. Check if any sessions are left in the batch
-        var remainingInBatch = await connection.ExecuteScalarAsync<int>(
-            "SELECT COUNT(*) FROM sessions WHERE batch_id = @BatchId",
-            new { BatchId = session.BatchId }, transaction);
+        var remainingInTopic = session.ThreadId.HasValue
+            ? await connection.ExecuteScalarAsync<int>(
+                """
+                SELECT COUNT(*)
+                FROM sessions
+                WHERE group_id = @GroupId
+                  AND thread_id = @ThreadId
+                """,
+                new { session.GroupId, ThreadId = session.ThreadId.Value },
+                transaction)
+            : 0;
 
         await transaction.CommitAsync(ct);
 
-        // 4. If no sessions left and we have a forum topic, delete the topic
-        if (remainingInBatch == 0 && session.ThreadId.HasValue)
+        // 4. If no sessions are left in a bot-owned forum topic, delete the topic.
+        if (session.ThreadId.HasValue &&
+            TelegramTopicRouting.ShouldDeleteForumTopic(session.TopicCreatedByBot, remainingInTopic))
         {
             try
             {
@@ -113,7 +130,7 @@ public sealed class DeleteSessionHandler(
 
         if (sessionsList.Count == 0)
         {
-            try { await bot.EditMessageText(command.ChatId, command.MessageId, "📭 В этой группе нет предстоящих игр.", cancellationToken: ct); } catch {}
+            try { await bot.EditMessageText(command.ChatId, command.MessageId, "📭 В этой группе нет предстоящих игр.", cancellationToken: ct); } catch { }
             return;
         }