feat(platform): route scheduler notifications through platform messenger

src/GmRelay.Bot/Features/Confirmation/HandleRsvp/HandleRsvpHandler.cs

@@ -1,318 +0,0 @@
-using Dapper;
-using GmRelay.Shared.Domain;
-using Npgsql;
-using Telegram.Bot;
-using Telegram.Bot.Types.ReplyMarkups;
-
-namespace GmRelay.Bot.Features.Confirmation.HandleRsvp;
-
-public sealed record HandleRsvpCommand(
-    Guid SessionId,
-    long TelegramUserId,
-    string Status,
-    string CallbackQueryId,
-    long ChatId,
-    int MessageId);
-
-internal sealed record RsvpCounts(int Total, int Confirmed, int Declined);
-
-internal sealed record SessionContext(
-    string Title,
-    DateTime ScheduledAt,
-    string Status,
-    long GmTelegramId,
-    long TelegramChatId,
-    int? ThreadId);
-
-internal sealed record ParticipantRsvp(
-    long TelegramId,
-    string DisplayName,
-    string? TelegramUsername,
-    string RsvpStatus);
-
-public sealed class HandleRsvpHandler(
-    NpgsqlDataSource dataSource,
-    ITelegramBotClient bot,
-    ILogger<HandleRsvpHandler> logger)
-{
-    public async Task HandleAsync(HandleRsvpCommand command, CancellationToken ct)
-    {
-        await using var connection = await dataSource.OpenConnectionAsync(ct);
-        await using var transaction = await connection.BeginTransactionAsync(ct);
-
-        var participantExists = await connection.ExecuteScalarAsync<bool>(
-            """
-            SELECT EXISTS (
-                SELECT 1
-                FROM session_participants sp
-                JOIN players p ON p.id = sp.player_id
-                WHERE sp.session_id = @SessionId
-                  AND p.telegram_id = @TelegramUserId
-                  AND sp.is_gm = false
-                  AND sp.registration_status = @Active
-            )
-            """,
-            new { command.SessionId, command.TelegramUserId, Active = ParticipantRegistrationStatus.Active },
-            transaction);
-
-        if (!participantExists)
-        {
-            await bot.AnswerCallbackQuery(
-                callbackQueryId: command.CallbackQueryId,
-                text: "Вы не являетесь участником этой сессии.",
-                cancellationToken: ct);
-            return;
-        }
-
-        var updated = await connection.ExecuteAsync(
-            """
-            UPDATE session_participants
-            SET    rsvp_status  = @Status,
-                   responded_at = now()
-            WHERE  session_id = @SessionId
-              AND  player_id  = (SELECT id FROM players WHERE telegram_id = @TelegramUserId)
-              AND  registration_status = @Active
-              AND  rsvp_status != @Status
-            """,
-            new { command.SessionId, command.TelegramUserId, command.Status, Active = ParticipantRegistrationStatus.Active },
-            transaction);
-
-        if (updated == 0)
-        {
-            var alreadyText = command.Status == RsvpStatus.Confirmed
-                ? "Вы уже подтвердили участие."
-                : "Вы уже отказались от участия.";
-
-            await bot.AnswerCallbackQuery(
-                callbackQueryId: command.CallbackQueryId,
-                text: alreadyText,
-                cancellationToken: ct);
-            return;
-        }
-
-        var session = await connection.QuerySingleAsync<SessionContext>(
-            """
-            SELECT s.title,
-                   s.scheduled_at AS ScheduledAt,
-                   s.status AS Status,
-                   g.gm_telegram_id AS GmTelegramId,
-                   g.telegram_chat_id AS TelegramChatId,
-                   s.thread_id AS ThreadId
-            FROM sessions s
-            JOIN game_groups g ON g.id = s.group_id
-            WHERE s.id = @SessionId
-            """,
-            new { command.SessionId },
-            transaction);
-
-        if (command.Status == RsvpStatus.Declined)
-        {
-            var decision = RsvpFlowRules.Evaluate(command.Status, session.Status, totalParticipants: 0, confirmedParticipants: 0);
-
-            if (decision.ShouldRevertSessionToConfirmationSent)
-            {
-                await connection.ExecuteAsync(
-                    """
-                    UPDATE sessions
-                    SET    status = @ConfirmationSent, updated_at = now()
-                    WHERE  id = @SessionId AND status = @Confirmed
-                    """,
-                    new
-                    {
-                        command.SessionId,
-                        ConfirmationSent = SessionStatus.ConfirmationSent,
-                        Confirmed = SessionStatus.Confirmed
-                    },
-                    transaction);
-            }
-
-            var declinedPlayer = await connection.QuerySingleAsync<string>(
-                "SELECT display_name FROM players WHERE telegram_id = @TelegramUserId",
-                new { command.TelegramUserId },
-                transaction);
-
-            await transaction.CommitAsync(ct);
-
-            try
-            {
-                await bot.SendMessage(
-                    chatId: session.GmTelegramId,
-                    text: $"🚨 Отмена! {declinedPlayer} не сможет прийти на игру «{session.Title}».",
-                    cancellationToken: ct);
-            }
-            catch (Exception ex)
-            {
-                logger.LogWarning(ex, "Failed to send decline alert to GM for session {SessionId}", command.SessionId);
-            }
-
-            await bot.AnswerCallbackQuery(
-                callbackQueryId: command.CallbackQueryId,
-                text: decision.CallbackText,
-                cancellationToken: ct);
-        }
-        else
-        {
-            var counts = await connection.QuerySingleAsync<RsvpCounts>(
-                """
-                SELECT
-                    count(*)                                         AS Total,
-                    count(*) FILTER (WHERE rsvp_status = @Confirmed) AS Confirmed,
-                    count(*) FILTER (WHERE rsvp_status = @Declined)  AS Declined
-                FROM session_participants
-                WHERE session_id = @SessionId AND is_gm = false
-                  AND registration_status = @Active
-                """,
-                new
-                {
-                    command.SessionId,
-                    Confirmed = RsvpStatus.Confirmed,
-                    Declined = RsvpStatus.Declined,
-                    Active = ParticipantRegistrationStatus.Active
-                },
-                transaction);
-
-            var decision = RsvpFlowRules.Evaluate(command.Status, session.Status, counts.Total, counts.Confirmed);
-
-            if (decision.ShouldMarkSessionConfirmed)
-            {
-                await connection.ExecuteAsync(
-                    """
-                    UPDATE sessions
-                    SET    status = @Confirmed, updated_at = now()
-                    WHERE  id = @SessionId
-                    """,
-                    new { command.SessionId, Confirmed = SessionStatus.Confirmed },
-                    transaction);
-            }
-
-            await transaction.CommitAsync(ct);
-
-            if (decision.ShouldNotifyGroup)
-            {
-                try
-                {
-                    await bot.SendMessage(
-                        chatId: session.TelegramChatId,
-                        messageThreadId: session.ThreadId,
-                        text: $"🎉 Игра «{session.Title}» подтверждена! Все участники на месте.",
-                        cancellationToken: ct);
-                }
-                catch (Exception ex)
-                {
-                    logger.LogWarning(ex, "Failed to send group confirmation for session {SessionId}", command.SessionId);
-                }
-            }
-
-            if (decision.ShouldNotifyGm)
-            {
-                try
-                {
-                    await bot.SendMessage(
-                        chatId: session.GmTelegramId,
-                        text: $"✅ Все подтвердили участие в «{session.Title}» ({session.ScheduledAt.FormatMoscow()} МСК).",
-                        cancellationToken: ct);
-                }
-                catch (Exception ex)
-                {
-                    logger.LogWarning(ex, "Failed to send GM confirmation for session {SessionId}", command.SessionId);
-                }
-            }
-
-            await bot.AnswerCallbackQuery(
-                callbackQueryId: command.CallbackQueryId,
-                text: decision.CallbackText,
-                cancellationToken: ct);
-        }
-
-        await UpdateConfirmationMessage(command, session, ct);
-    }
-
-    private async Task UpdateConfirmationMessage(HandleRsvpCommand command, SessionContext session, CancellationToken ct)
-    {
-        try
-        {
-            await using var connection = await dataSource.OpenConnectionAsync(ct);
-
-            var participants = (await connection.QueryAsync<ParticipantRsvp>(
-                """
-                SELECT p.telegram_id AS TelegramId,
-                       p.display_name AS DisplayName,
-                       p.telegram_username AS TelegramUsername,
-                       sp.rsvp_status AS RsvpStatus
-                FROM session_participants sp
-                JOIN players p ON p.id = sp.player_id
-                WHERE sp.session_id = @SessionId
-                  AND sp.is_gm = false
-                  AND sp.registration_status = @Active
-                ORDER BY sp.responded_at NULLS LAST
-                """,
-                new { command.SessionId, Active = ParticipantRegistrationStatus.Active })).ToList();
-
-            var confirmed = participants.Where(p => p.RsvpStatus == RsvpStatus.Confirmed).ToList();
-            var declined = participants.Where(p => p.RsvpStatus == RsvpStatus.Declined).ToList();
-            var pending = participants.Where(p => p.RsvpStatus == RsvpStatus.Pending).ToList();
-
-            var lines = new List<string>
-            {
-                $"🎲 Подтвердите участие в «{session.Title}»",
-                $"📅 {session.ScheduledAt.FormatMoscow()} (МСК)",
-                string.Empty
-            };
-
-            foreach (var participant in confirmed)
-            {
-                lines.Add($"   ✅ {FormatName(participant)}");
-            }
-
-            foreach (var participant in declined)
-            {
-                lines.Add($"   ❌ ~~{FormatName(participant)}~~");
-            }
-
-            foreach (var participant in pending)
-            {
-                lines.Add($"   ⏳ {FormatName(participant)}");
-            }
-
-            lines.Add(string.Empty);
-
-            if (confirmed.Count == participants.Count)
-            {
-                lines.Add($"Статус: ✅ все подтвердили ({confirmed.Count}/{participants.Count})");
-            }
-            else if (declined.Count > 0)
-            {
-                lines.Add($"Статус: ⚠️ есть отказы ({confirmed.Count}/{participants.Count} подтвердили)");
-            }
-            else
-            {
-                lines.Add($"Статус: ожидаем подтверждения ({confirmed.Count}/{participants.Count})");
-            }
-
-            var text = string.Join("\n", lines);
-
-            var replyMarkup = confirmed.Count == participants.Count
-                ? null
-                : new InlineKeyboardMarkup([
-                    [
-                        InlineKeyboardButton.WithCallbackData("✅ Буду", $"rsvp:confirm:{command.SessionId}"),
-                        InlineKeyboardButton.WithCallbackData("❌ Не смогу", $"rsvp:decline:{command.SessionId}")
-                    ]
-                ]);
-
-            await bot.EditMessageText(
-                chatId: command.ChatId,
-                messageId: command.MessageId,
-                text: text,
-                replyMarkup: replyMarkup,
-                cancellationToken: ct);
-        }
-        catch (Exception ex)
-        {
-            logger.LogWarning(ex, "Failed to update confirmation message for session {SessionId}", command.SessionId);
-        }
-    }
-
-    private static string FormatName(ParticipantRsvp participant) =>
-        participant.TelegramUsername is not null ? $"@{participant.TelegramUsername}" : participant.DisplayName;
-}

src/GmRelay.Bot/Features/Confirmation/HandleRsvp/RsvpFlowRules.cs

@@ -1,42 +0,0 @@
-using GmRelay.Shared.Domain;
-
-namespace GmRelay.Bot.Features.Confirmation.HandleRsvp;
-
-internal sealed record RsvpFlowDecision(
-    string CallbackText,
-    bool ShouldAlertGm,
-    bool ShouldRevertSessionToConfirmationSent,
-    bool ShouldMarkSessionConfirmed,
-    bool ShouldNotifyGroup,
-    bool ShouldNotifyGm);
-
-internal static class RsvpFlowRules
-{
-    public static RsvpFlowDecision Evaluate(
-        string requestedStatus,
-        string currentSessionStatus,
-        int totalParticipants,
-        int confirmedParticipants)
-    {
-        if (requestedStatus == RsvpStatus.Declined)
-        {
-            return new RsvpFlowDecision(
-                CallbackText: "\u0412\u044b \u043e\u0442\u043a\u0430\u0437\u0430\u043b\u0438\u0441\u044c \u043e\u0442 \u0443\u0447\u0430\u0441\u0442\u0438\u044f.",
-                ShouldAlertGm: true,
-                ShouldRevertSessionToConfirmationSent: currentSessionStatus == SessionStatus.Confirmed,
-                ShouldMarkSessionConfirmed: false,
-                ShouldNotifyGroup: false,
-                ShouldNotifyGm: false);
-        }
-
-        var everyoneConfirmed = confirmedParticipants == totalParticipants;
-
-        return new RsvpFlowDecision(
-            CallbackText: "\u0412\u044b \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0434\u0438\u043b\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0435!",
-            ShouldAlertGm: false,
-            ShouldRevertSessionToConfirmationSent: false,
-            ShouldMarkSessionConfirmed: everyoneConfirmed,
-            ShouldNotifyGroup: everyoneConfirmed,
-            ShouldNotifyGm: everyoneConfirmed);
-    }
-}

src/GmRelay.Bot/Features/Confirmation/SendConfirmation/ISendConfirmationHandler.cs

@@ -1,6 +0,0 @@
-namespace GmRelay.Bot.Features.Confirmation.SendConfirmation;
-
-public interface ISendConfirmationHandler
-{
-    Task HandleAsync(Guid sessionId, CancellationToken ct);
-}

src/GmRelay.Bot/Features/Confirmation/SendConfirmation/SendConfirmationHandler.cs

@@ -1,154 +0,0 @@
-using Dapper;
-using GmRelay.Bot.Features.Notifications;
-using GmRelay.Shared.Domain;
-using Npgsql;
-using Telegram.Bot;
-using Telegram.Bot.Types.ReplyMarkups;
-
-namespace GmRelay.Bot.Features.Confirmation.SendConfirmation;
-
-// ── DTOs for Dapper mapping ──────────────────────────────────────────
-
-internal sealed record SessionInfo(
-    Guid Id,
-    string Title,
-    DateTime ScheduledAt,
-    Guid GroupId,
-    long TelegramChatId,
-    int? ThreadId,
-    string NotificationMode);
-
-internal sealed record ParticipantInfo(
-    long TelegramId,
-    string DisplayName,
-    string? TelegramUsername);
-
-// ── Handler ──────────────────────────────────────────────────────────
-
-/// <summary>
-/// Sends the interactive confirmation message (inline keyboard) to the group chat.
-/// Called by SessionSchedulerService at T-24h.
-/// </summary>
-public sealed class SendConfirmationHandler(
-    NpgsqlDataSource dataSource,
-    ITelegramBotClient bot,
-    DirectSessionNotificationSender directSender,
-    ILogger<SendConfirmationHandler> logger) : ISendConfirmationHandler
-{
-    public async Task HandleAsync(Guid sessionId, CancellationToken ct)
-    {
-        await using var connection = await dataSource.OpenConnectionAsync(ct);
-
-        // 1. Load session + group info
-        var session = await connection.QuerySingleOrDefaultAsync<SessionInfo>(
-            """
-            SELECT s.id, s.title, s.scheduled_at AS ScheduledAt, s.group_id AS GroupId,
-                   g.telegram_chat_id AS TelegramChatId,
-                   s.thread_id AS ThreadId,
-                   s.notification_mode AS NotificationMode
-            FROM sessions s
-            JOIN game_groups g ON g.id = s.group_id
-            WHERE s.id = @SessionId AND s.status = @Planned
-            """,
-            new { SessionId = sessionId, Planned = SessionStatus.Planned });
-
-        if (session is null)
-        {
-            logger.LogWarning("Session {SessionId} not found or not in Planned status", sessionId);
-            return;
-        }
-
-        // 2. Load non-GM participants
-        var participants = (await connection.QueryAsync<ParticipantInfo>(
-            """
-            SELECT p.telegram_id AS TelegramId,
-                   p.display_name AS DisplayName,
-                   p.telegram_username AS TelegramUsername
-            FROM session_participants sp
-            JOIN players p ON p.id = sp.player_id
-            WHERE sp.session_id = @SessionId
-              AND sp.is_gm = false
-              AND sp.registration_status = @Active
-            """,
-            new { SessionId = sessionId, Active = ParticipantRegistrationStatus.Active })).ToList();
-
-        if (participants.Count == 0)
-        {
-            logger.LogWarning("Session {SessionId} has no non-GM participants", sessionId);
-            return;
-        }
-
-        // 3. Build confirmation message
-        var playerList = string.Join("\n", participants.Select(p =>
-            $"   ⏳ {FormatPlayerName(p)}"));
-
-        var text = $"""
-            🎲 Подтвердите участие в «{session.Title}»
-            📅 {session.ScheduledAt.FormatMoscow()} (МСК)
-
-            {playerList}
-            
-            Статус: ожидаем подтверждения (0/{participants.Count})
-            """;
-
-        var keyboard = new InlineKeyboardMarkup([
-            [
-                InlineKeyboardButton.WithCallbackData("✅ Буду", $"rsvp:confirm:{sessionId}"),
-                InlineKeyboardButton.WithCallbackData("❌ Не смогу", $"rsvp:decline:{sessionId}")
-            ]
-        ]);
-
-        // 4. Send to group
-        var message = await bot.SendMessage(
-            chatId: session.TelegramChatId,
-            messageThreadId: session.ThreadId,
-            text: text,
-            replyMarkup: keyboard,
-            cancellationToken: ct);
-
-        // 5. Update session status, store message ID, and mark confirmation sent
-        await connection.ExecuteAsync(
-            """
-            UPDATE sessions
-            SET status = @Status,
-                confirmation_message_id = @MessageId,
-                confirmation_sent_at = now(),
-                updated_at = now()
-            WHERE id = @SessionId
-              AND confirmation_sent_at IS NULL
-            """,
-            new
-            {
-                SessionId = sessionId,
-                Status = SessionStatus.ConfirmationSent,
-                MessageId = message.MessageId
-            });
-
-        var mode = SessionNotificationModeExtensions.FromDatabaseValue(session.NotificationMode);
-        if (mode.ShouldSendDirectMessages())
-        {
-            var directText = $"""
-                🎲 <b>Подтвердите участие в игре</b>
-
-                📌 <b>{System.Net.WebUtility.HtmlEncode(session.Title)}</b>
-                📅 {session.ScheduledAt.FormatMoscow()} (МСК)
-
-                Ответьте кнопкой в групповом сообщении расписания.
-                """;
-
-            await directSender.SendAsync(
-                participants.Select(p => new DirectNotificationRecipient(p.TelegramId, p.DisplayName)),
-                directText,
-                "confirmation",
-                sessionId,
-                ct);
-        }
-
-        logger.LogInformation(
-            "Confirmation sent for session {SessionId} ({Title}), message_id={MessageId}",
-            sessionId, session.Title, message.MessageId);
-    }
-
-    internal static string FormatPlayerName(ParticipantInfo p) =>
-        p.TelegramUsername is not null ? $"@{p.TelegramUsername}" : p.DisplayName;
-}

src/GmRelay.Bot/Features/Reminders/SendJoinLink/ISendJoinLinkHandler.cs

@@ -1,6 +0,0 @@
-namespace GmRelay.Bot.Features.Reminders.SendJoinLink;
-
-public interface ISendJoinLinkHandler
-{
-    Task HandleAsync(Guid sessionId, CancellationToken ct);
-}

src/GmRelay.Bot/Features/Reminders/SendJoinLink/SendJoinLinkHandler.cs

@@ -1,134 +0,0 @@
-using Dapper;
-using GmRelay.Bot.Features.Notifications;
-using GmRelay.Shared.Domain;
-using Npgsql;
-using Telegram.Bot;
-
-namespace GmRelay.Bot.Features.Reminders.SendJoinLink;
-
-// ── DTOs ─────────────────────────────────────────────────────────────
-
-internal sealed record JoinLinkSession(
-    Guid Id,
-    string Title,
-    string JoinLink,
-    DateTime ScheduledAt,
-    long TelegramChatId,
-    int? ThreadId,
-    string NotificationMode);
-
-internal sealed record ConfirmedPlayer(
-    long TelegramId,
-    string DisplayName,
-    string? TelegramUsername);
-
-// ── Handler ──────────────────────────────────────────────────────────
-
-/// <summary>
-/// Sends the join link to the group chat at T-5min, tagging all confirmed players.
-/// Called by SessionSchedulerService.
-/// </summary>
-public sealed class SendJoinLinkHandler(
-    NpgsqlDataSource dataSource,
-    ITelegramBotClient bot,
-    DirectSessionNotificationSender directSender,
-    ILogger<SendJoinLinkHandler> logger) : ISendJoinLinkHandler
-{
-    public async Task HandleAsync(Guid sessionId, CancellationToken ct)
-    {
-        await using var connection = await dataSource.OpenConnectionAsync(ct);
-
-        // 1. Load session
-        var session = await connection.QuerySingleOrDefaultAsync<JoinLinkSession>(
-            """
-            SELECT s.id, s.title, s.join_link AS JoinLink, s.scheduled_at AS ScheduledAt,
-                   g.telegram_chat_id AS TelegramChatId,
-                   s.thread_id AS ThreadId,
-                   s.notification_mode AS NotificationMode
-            FROM sessions s
-            JOIN game_groups g ON g.id = s.group_id
-            WHERE s.id = @SessionId
-              AND s.status = @Confirmed
-              AND s.link_message_id IS NULL
-            """,
-            new { SessionId = sessionId, Confirmed = SessionStatus.Confirmed });
-
-        if (session is null)
-        {
-            logger.LogWarning("Session {SessionId} not eligible for join link", sessionId);
-            return;
-        }
-
-        // 2. Load confirmed players
-        var players = (await connection.QueryAsync<ConfirmedPlayer>(
-            """
-            SELECT p.telegram_id    AS TelegramId,
-                   p.display_name    AS DisplayName,
-                   p.telegram_username AS TelegramUsername
-            FROM session_participants sp
-            JOIN players p ON p.id = sp.player_id
-            WHERE sp.session_id = @SessionId
-              AND sp.rsvp_status = @Confirmed
-              AND sp.registration_status = @Active
-            """,
-            new
-            {
-                SessionId = sessionId,
-                Confirmed = RsvpStatus.Confirmed,
-                Active = ParticipantRegistrationStatus.Active
-            })).ToList();
-
-        // 3. Build message with player mentions
-        var mentions = string.Join(", ", players.Select(p =>
-            p.TelegramUsername is not null ? $"@{p.TelegramUsername}" : p.DisplayName));
-
-        var text = $"""
-            🎮 Игра «{session.Title}» начинается через 5 минут!
-
-            🔗 Ссылка на подключение:
-            {session.JoinLink}
-
-            Участники: {mentions}
-
-            Хорошей игры! 🎲
-            """;
-
-        // 4. Send
-        var message = await bot.SendMessage(
-            chatId: session.TelegramChatId,
-            messageThreadId: session.ThreadId,
-            text: text,
-            cancellationToken: ct);
-
-        // 5. Mark as sent (idempotent — link_message_id IS NULL guard in query)
-        await connection.ExecuteAsync(
-            """
-            UPDATE sessions
-            SET    link_message_id = @MessageId, updated_at = now()
-            WHERE  id = @SessionId AND link_message_id IS NULL
-            """,
-            new { SessionId = sessionId, MessageId = message.MessageId });
-
-        var mode = SessionNotificationModeExtensions.FromDatabaseValue(session.NotificationMode);
-        if (mode.ShouldSendDirectMessages())
-        {
-            var directText = $"""
-                🎮 <b>Игра начинается через 5 минут</b>
-
-                📌 <b>{System.Net.WebUtility.HtmlEncode(session.Title)}</b>
-                🔗 {System.Net.WebUtility.HtmlEncode(session.JoinLink)}
-                """;
-
-            await directSender.SendAsync(
-                players.Select(p => new DirectNotificationRecipient(p.TelegramId, p.DisplayName)),
-                directText,
-                "join-link",
-                sessionId,
-                ct);
-        }
-
-        logger.LogInformation(
-            "Join link sent for session {SessionId} ({Title}), message_id={MessageId}",
-            sessionId, session.Title, message.MessageId);
-    }
-}

src/GmRelay.Bot/Features/Reminders/SendOneHourReminder/ISendOneHourReminderHandler.cs

@@ -1,6 +0,0 @@
-namespace GmRelay.Bot.Features.Reminders.SendOneHourReminder;
-
-public interface ISendOneHourReminderHandler
-{
-    Task HandleAsync(Guid sessionId, CancellationToken ct);
-}

src/GmRelay.Bot/Features/Reminders/SendOneHourReminder/SendOneHourReminderHandler.cs

@@ -1,97 +0,0 @@
-using Dapper;
-using GmRelay.Bot.Features.Notifications;
-using GmRelay.Shared.Domain;
-using Npgsql;
-
-namespace GmRelay.Bot.Features.Reminders.SendOneHourReminder;
-
-internal sealed record OneHourReminderSession(
-    Guid Id,
-    string Title,
-    string JoinLink,
-    DateTime ScheduledAt,
-    string NotificationMode);
-
-public sealed class SendOneHourReminderHandler(
-    NpgsqlDataSource dataSource,
-    DirectSessionNotificationSender directSender,
-    ILogger<SendOneHourReminderHandler> logger) : ISendOneHourReminderHandler
-{
-    public async Task HandleAsync(Guid sessionId, CancellationToken ct)
-    {
-        await using var connection = await dataSource.OpenConnectionAsync(ct);
-
-        var session = await connection.QuerySingleOrDefaultAsync<OneHourReminderSession>(
-            """
-            SELECT id,
-                   title,
-                   join_link AS JoinLink,
-                   scheduled_at AS ScheduledAt,
-                   notification_mode AS NotificationMode
-            FROM sessions
-            WHERE id = @SessionId
-              AND status IN (@Confirmed, @ConfirmationSent)
-              AND one_hour_reminder_processed_at IS NULL
-            """,
-            new
-            {
-                SessionId = sessionId,
-                Confirmed = SessionStatus.Confirmed,
-                ConfirmationSent = SessionStatus.ConfirmationSent
-            });
-
-        if (session is null)
-        {
-            logger.LogWarning("Session {SessionId} not eligible for one-hour reminder", sessionId);
-            return;
-        }
-
-        var recipients = (await connection.QueryAsync<DirectNotificationRecipient>(
-            """
-            SELECT p.telegram_id AS TelegramId,
-                   p.display_name AS DisplayName
-            FROM session_participants sp
-            JOIN players p ON p.id = sp.player_id
-            WHERE sp.session_id = @SessionId
-              AND sp.is_gm = false
-              AND sp.registration_status = @Active
-              AND sp.rsvp_status != @Declined
-            """,
-            new
-            {
-                SessionId = sessionId,
-                Active = ParticipantRegistrationStatus.Active,
-                Declined = RsvpStatus.Declined
-            })).ToList();
-
-        var mode = SessionNotificationModeExtensions.FromDatabaseValue(session.NotificationMode);
-        if (mode.ShouldSendDirectMessages() && recipients.Count > 0)
-        {
-            var text = $"""
-                ⏰ <b>Игра начнётся примерно через 1 час</b>
-
-                📌 <b>{System.Net.WebUtility.HtmlEncode(session.Title)}</b>
-                📅 {session.ScheduledAt.FormatMoscow()} (МСК)
-                🔗 {System.Net.WebUtility.HtmlEncode(session.JoinLink)}
-                """;
-
-            await directSender.SendAsync(recipients, text, "one-hour-reminder", session.Id, ct);
-        }
-
-        await connection.ExecuteAsync(
-            """
-            UPDATE sessions
-            SET one_hour_reminder_processed_at = now(),
-                updated_at = now()
-            WHERE id = @SessionId
-              AND one_hour_reminder_processed_at IS NULL
-            """,
-            new { SessionId = sessionId });
-
-        logger.LogInformation(
-            "One-hour reminder processed for session {SessionId} ({Title}) with mode {NotificationMode}",
-            sessionId,
-            session.Title,
-            session.NotificationMode);
-    }
-}

src/GmRelay.Bot/Features/Sessions/RescheduleSession/RescheduleVotingDeadlineService.cs

@@ -1,13 +1,11 @@
 using Dapper;
-using GmRelay.Bot.Features.Notifications;
+using GmRelay.Bot.Infrastructure.Telegram;
 using GmRelay.Shared.Domain;
+using GmRelay.Shared.Features.Notifications;
 using GmRelay.Shared.Features.Sessions.RescheduleSession;
 using GmRelay.Shared.Platform;
 using GmRelay.Shared.Rendering;
 using Npgsql;
-using Telegram.Bot;
-using Telegram.Bot.Types.Enums;
-using GmRelay.Bot.Infrastructure.Telegram;
 
 namespace GmRelay.Bot.Features.Sessions.RescheduleSession;
 
@@ -19,9 +17,8 @@ internal sealed record TelegramProposalFieldsDto(
 
 public sealed class RescheduleVotingDeadlineService(
     NpgsqlDataSource dataSource,
-    ITelegramBotClient bot,
     IPlatformMessenger messenger,
-    DirectSessionNotificationSender directSender,
+    PlatformDirectNotificationSender directSender,
     RescheduleVotingFinalizer finalizer,
     ILogger<RescheduleVotingDeadlineService> logger) : BackgroundService
 {
@@ -98,7 +95,7 @@ public sealed class RescheduleVotingDeadlineService(
         }
 
         var directRecipients = result.Participants
-            .Select(p => new DirectNotificationRecipient(p.TelegramId, p.DisplayName))
+            .Select(p => TelegramPlatformIds.User(p.TelegramId, p.DisplayName))
             .ToList();
 
         await TryUpdateVoteMessage(result, telegramFields, ct);
@@ -130,28 +127,24 @@ public sealed class RescheduleVotingDeadlineService(
 
         try
         {
-            var resultText = result.SelectedOption is not null
-                ? $"✅ <b>Голосование завершено.</b>\nПобедил вариант {result.SelectedOption.DisplayOrder}: <b>{result.SelectedOption.ProposedAt.FormatMoscow()}</b> (МСК)."
-                : $"❌ <b>Голосование завершено.</b>\n{System.Net.WebUtility.HtmlEncode(result.Decision.Reason)}";
-
-            var text = $"""
-                {HandleRescheduleTimeInputHandler.BuildVotingMessage(
+            await messenger.UpdateRescheduleVoteAsync(
+                new PlatformRescheduleVoteUpdate(
+                    TelegramPlatformIds.Group(telegramFields.TelegramChatId, telegramFields.ThreadId),
+                    TelegramPlatformIds.Message(
+                        telegramFields.TelegramChatId,
+                        telegramFields.ThreadId,
+                        telegramFields.VoteMessageId.Value),
+                    result.ProposalId,
+                    result.SessionId,
                     result.Title,
                     result.CurrentScheduledAt,
                     result.VotingDeadlineAt,
+                    result.Decision,
+                    result.SelectedOption,
                     result.Options,
-                    result.Participants,
-                    result.Votes)}
-
-                {resultText}
-                """;
-
-            await bot.EditMessageText(
-                chatId: telegramFields.TelegramChatId,
-                messageId: telegramFields.VoteMessageId.Value,
-                text: text,
-                parseMode: ParseMode.Html,
-                cancellationToken: ct);
+                    result.Votes,
+                    result.Participants),
+                ct);
         }
         catch (Exception ex)
         {
@@ -201,7 +194,7 @@ public sealed class RescheduleVotingDeadlineService(
             {
                 await messenger.SendGroupMessageAsync(
                     TelegramPlatformIds.Group(telegramFields.TelegramChatId, telegramFields.ThreadId),
-                    $"📣 Расписание обновлено после голосования за перенос сессии «{System.Net.WebUtility.HtmlEncode(result.Title)}».",
+                    $"Расписание обновлено после голосования за перенос сессии \"{System.Net.WebUtility.HtmlEncode(result.Title)}\".",
                     ct);
             }
         }
@@ -213,29 +206,20 @@ public sealed class RescheduleVotingDeadlineService(
 
     private async Task SendDirectResult(
         RescheduleVotingFinalizerResult result,
-        IReadOnlyList<DirectNotificationRecipient> recipients,
+        IReadOnlyList<PlatformUser> recipients,
         CancellationToken ct)
     {
-        var htmlText = result.SelectedOption is not null
-            ? $"""
-                ✅ <b>Сессия перенесена по итогам голосования</b>
-
-                📌 <b>{System.Net.WebUtility.HtmlEncode(result.Title)}</b>
-                📅 Новое время: <b>{result.SelectedOption.ProposedAt.FormatMoscow()}</b> (МСК)
-                """
-            : $"""
-                ❌ <b>Перенос сессии отклонён по итогам голосования</b>
-
-                📌 <b>{System.Net.WebUtility.HtmlEncode(result.Title)}</b>
-                📅 Время остаётся прежним: <b>{result.CurrentScheduledAt.FormatMoscow()}</b> (МСК)
-                Причина: {System.Net.WebUtility.HtmlEncode(result.Decision.Reason)}
-                """;
-
         await directSender.SendAsync(
+            result.SelectedOption is not null
+                ? PlatformDirectSessionNotificationKind.RescheduleApproved
+                : PlatformDirectSessionNotificationKind.RescheduleRejected,
             recipients,
-            htmlText,
-            result.SelectedOption is not null ? "reschedule-vote-approved" : "reschedule-vote-rejected",
             result.SessionId,
+            result.Title,
+            result.SelectedOption?.ProposedAt.UtcDateTime ?? result.CurrentScheduledAt,
+            joinLink: null,
+            actorDisplayName: null,
+            reason: result.SelectedOption is null ? result.Decision.Reason : null,
             ct);
     }
 }

src/GmRelay.Bot/Infrastructure/Scheduling/ISessionTriggerStore.cs

@@ -1,86 +0,0 @@
-using Dapper;
-using GmRelay.Shared.Domain;
-using Npgsql;
-
-namespace GmRelay.Bot.Infrastructure.Scheduling;
-
-public interface ISessionTriggerStore
-{
-    Task<IReadOnlyList<Guid>> GetSessionsNeedingConfirmationAsync(DateTimeOffset now, CancellationToken ct);
-    Task<IReadOnlyList<Guid>> GetSessionsNeedingOneHourReminderAsync(DateTimeOffset now, CancellationToken ct);
-    Task<IReadOnlyList<Guid>> GetSessionsNeedingJoinLinkAsync(DateTimeOffset now, CancellationToken ct);
-}
-
-public sealed class DbSessionTriggerStore(NpgsqlDataSource dataSource) : ISessionTriggerStore
-{
-    private static readonly TimeSpan ConfirmationLeadTime = TimeSpan.FromHours(24);
-    private static readonly TimeSpan OneHourReminderLeadTime = TimeSpan.FromHours(1);
-    private static readonly TimeSpan JoinLinkLeadTime = TimeSpan.FromMinutes(5);
-
-    public async Task<IReadOnlyList<Guid>> GetSessionsNeedingConfirmationAsync(DateTimeOffset now, CancellationToken ct)
-    {
-        await using var connection = await dataSource.OpenConnectionAsync(ct);
-
-        var results = await connection.QueryAsync<Guid>(
-            """
-            SELECT id
-            FROM sessions
-            WHERE status = @Planned
-              AND scheduled_at - @LeadTime <= @Now
-              AND confirmation_sent_at IS NULL
-            """,
-            new
-            {
-                Planned = SessionStatus.Planned,
-                LeadTime = ConfirmationLeadTime,
-                Now = now.UtcDateTime
-            });
-
-        return results.ToList();
-    }
-
-    public async Task<IReadOnlyList<Guid>> GetSessionsNeedingOneHourReminderAsync(DateTimeOffset now, CancellationToken ct)
-    {
-        await using var connection = await dataSource.OpenConnectionAsync(ct);
-
-        var results = await connection.QueryAsync<Guid>(
-            """
-            SELECT id
-            FROM sessions
-            WHERE status IN (@Confirmed, @ConfirmationSent)
-              AND scheduled_at - @LeadTime <= @Now
-              AND one_hour_reminder_processed_at IS NULL
-            """,
-            new
-            {
-                Confirmed = SessionStatus.Confirmed,
-                ConfirmationSent = SessionStatus.ConfirmationSent,
-                LeadTime = OneHourReminderLeadTime,
-                Now = now.UtcDateTime
-            });
-
-        return results.ToList();
-    }
-
-    public async Task<IReadOnlyList<Guid>> GetSessionsNeedingJoinLinkAsync(DateTimeOffset now, CancellationToken ct)
-    {
-        await using var connection = await dataSource.OpenConnectionAsync(ct);
-
-        var results = await connection.QueryAsync<Guid>(
-            """
-            SELECT id
-            FROM sessions
-            WHERE status = @Confirmed
-              AND scheduled_at - @LeadTime <= @Now
-              AND link_message_id IS NULL
-            """,
-            new
-            {
-                Confirmed = SessionStatus.Confirmed,
-                LeadTime = JoinLinkLeadTime,
-                Now = now.UtcDateTime
-            });
-
-        return results.ToList();
-    }
-}

src/GmRelay.Bot/Infrastructure/Scheduling/SessionSchedulerService.cs

@@ -1,146 +0,0 @@
-using GmRelay.Bot.Features.Confirmation.SendConfirmation;
-using GmRelay.Bot.Features.Reminders.SendJoinLink;
-using GmRelay.Bot.Features.Reminders.SendOneHourReminder;
-using GmRelay.Shared.Platform;
-
-namespace GmRelay.Bot.Infrastructure.Scheduling;
-
-/// <summary>
-/// Stateless scheduler: wakes every 60 seconds, queries PostgreSQL for actionable sessions.
-/// Three triggers:
-///   T-24h: send confirmation request with inline keyboard
-///   T-1h:  send one-hour direct reminder
-///   T-5min: send join link to all confirmed players
-///
-/// If the Raspberry Pi reboots, nothing is lost — all state is in the DB.
-/// </summary>
-public sealed class SessionSchedulerService(
-    ISessionTriggerStore triggerStore,
-    ISendConfirmationHandler confirmationHandler,
-    ISendOneHourReminderHandler oneHourReminderHandler,
-    ISendJoinLinkHandler joinLinkHandler,
-    ISystemClock clock,
-    ILogger<SessionSchedulerService> logger) : BackgroundService
-{
-    private static readonly TimeSpan TickInterval = TimeSpan.FromMinutes(1);
-
-    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
-    {
-        logger.LogInformation("Session scheduler started (interval: {Interval})", TickInterval);
-
-        using var timer = new PeriodicTimer(TickInterval);
-
-        do
-        {
-            try
-            {
-                await TickAsync(stoppingToken);
-            }
-            catch (OperationCanceledException) when (stoppingToken.IsCancellationRequested)
-            {
-                break;
-            }
-            catch (Exception ex)
-            {
-                logger.LogError(ex, "Scheduler tick failed, will retry next tick");
-            }
-        }
-        while (await timer.WaitForNextTickAsync(stoppingToken));
-
-        logger.LogInformation("Session scheduler stopped");
-    }
-
-    /// <summary>
-    /// Runs a single scheduler tick using the current clock time.
-    /// Public so it can be called from integration tests with a fake clock.
-    /// </summary>
-    public async Task TickAsync(CancellationToken ct)
-    {
-        var now = clock.UtcNow;
-
-        await ProcessConfirmationTriggers(now, ct);
-        await ProcessOneHourReminderTriggers(now, ct);
-        await ProcessJoinLinkTriggers(now, ct);
-    }
-
-    private async Task ProcessConfirmationTriggers(DateTimeOffset now, CancellationToken ct)
-    {
-        IReadOnlyList<Guid> sessionIds;
-        try
-        {
-            sessionIds = await triggerStore.GetSessionsNeedingConfirmationAsync(now, ct);
-        }
-        catch (Exception ex)
-        {
-            logger.LogError(ex, "Failed to query confirmation triggers");
-            return;
-        }
-
-        foreach (var sessionId in sessionIds)
-        {
-            try
-            {
-                await confirmationHandler.HandleAsync(sessionId, ct);
-                logger.LogInformation("Confirmation sent for session {SessionId}", sessionId);
-            }
-            catch (Exception ex)
-            {
-                logger.LogError(ex, "Failed to send confirmation for session {SessionId}", sessionId);
-            }
-        }
-    }
-
-    private async Task ProcessOneHourReminderTriggers(DateTimeOffset now, CancellationToken ct)
-    {
-        IReadOnlyList<Guid> sessionIds;
-        try
-        {
-            sessionIds = await triggerStore.GetSessionsNeedingOneHourReminderAsync(now, ct);
-        }
-        catch (Exception ex)
-        {
-            logger.LogError(ex, "Failed to query one-hour reminder triggers");
-            return;
-        }
-
-        foreach (var sessionId in sessionIds)
-        {
-            try
-            {
-                await oneHourReminderHandler.HandleAsync(sessionId, ct);
-                logger.LogInformation("One-hour reminder processed for session {SessionId}", sessionId);
-            }
-            catch (Exception ex)
-            {
-                logger.LogError(ex, "Failed to process one-hour reminder for session {SessionId}", sessionId);
-            }
-        }
-    }
-
-    private async Task ProcessJoinLinkTriggers(DateTimeOffset now, CancellationToken ct)
-    {
-        IReadOnlyList<Guid> sessionIds;
-        try
-        {
-            sessionIds = await triggerStore.GetSessionsNeedingJoinLinkAsync(now, ct);
-        }
-        catch (Exception ex)
-        {
-            logger.LogError(ex, "Failed to query join-link triggers");
-            return;
-        }
-
-        foreach (var sessionId in sessionIds)
-        {
-            try
-            {
-                await joinLinkHandler.HandleAsync(sessionId, ct);
-                logger.LogInformation("Join link sent for session {SessionId}", sessionId);
-            }
-            catch (Exception ex)
-            {
-                logger.LogError(ex, "Failed to send join link for session {SessionId}", sessionId);
-            }
-        }
-    }
-}

src/GmRelay.Bot/Infrastructure/Telegram/TelegramPlatformMessenger.cs

@@ -1,4 +1,6 @@
 using System.Globalization;
+using GmRelay.Bot.Features.Sessions.RescheduleSession;
+using GmRelay.Shared.Domain;
 using GmRelay.Shared.Platform;
 using Telegram.Bot;
 using Telegram.Bot.Types;
@@ -125,6 +127,135 @@ public sealed class TelegramPlatformMessenger(
             cancellationToken: ct);
     }
 
+    public async Task<PlatformMessageRef> SendConfirmationRequestAsync(PlatformConfirmationRequest request, CancellationToken ct)
+    {
+        EnsureTelegram(request.Group.Platform);
+
+        var chatId = ParseLong(request.Group.ExternalGroupId);
+        var threadId = ParseNullableInt(request.Group.ExternalThreadId);
+        var message = await bot.SendMessage(
+            chatId: chatId,
+            messageThreadId: threadId,
+            text: BuildConfirmationText(request),
+            parseMode: ParseMode.Html,
+            replyMarkup: BuildRsvpKeyboard(request.SessionId),
+            cancellationToken: ct);
+
+        return TelegramPlatformIds.Message(chatId, threadId, message.MessageId);
+    }
+
+    public async Task UpdateConfirmationRequestAsync(PlatformRsvpMessageUpdate update, CancellationToken ct)
+    {
+        var request = update.Request;
+        EnsureTelegram(request.Group.Platform);
+        var existingMessage = request.ExistingMessage
+            ?? throw new ArgumentException("Existing confirmation message reference is required.", nameof(update));
+
+        EnsureTelegram(existingMessage.Platform);
+        await bot.EditMessageText(
+            chatId: ParseLong(existingMessage.ExternalGroupId),
+            messageId: ParseInt(existingMessage.ExternalMessageId),
+            text: BuildConfirmationText(request),
+            parseMode: ParseMode.Html,
+            replyMarkup: update.DisableActions ? null : BuildRsvpKeyboard(request.SessionId),
+            cancellationToken: ct);
+    }
+
+    public async Task<PlatformMessageRef> SendJoinLinkNotificationAsync(
+        PlatformJoinLinkNotification notification,
+        CancellationToken ct)
+    {
+        EnsureTelegram(notification.Group.Platform);
+
+        var chatId = ParseLong(notification.Group.ExternalGroupId);
+        var threadId = ParseNullableInt(notification.Group.ExternalThreadId);
+        var message = await bot.SendMessage(
+            chatId: chatId,
+            messageThreadId: threadId,
+            text: BuildJoinLinkText(notification),
+            cancellationToken: ct);
+
+        return TelegramPlatformIds.Message(chatId, threadId, message.MessageId);
+    }
+
+    public Task SendDirectSessionNotificationAsync(
+        PlatformDirectSessionNotification notification,
+        CancellationToken ct)
+    {
+        EnsureTelegram(notification.Recipient.Platform);
+        return bot.SendMessage(
+            chatId: ParseLong(notification.Recipient.ExternalUserId),
+            text: BuildDirectNotificationText(notification),
+            parseMode: ParseMode.Html,
+            cancellationToken: ct);
+    }
+
+    public async Task SendRsvpOutcomeAsync(PlatformRsvpOutcomeNotification notification, CancellationToken ct)
+    {
+        switch (notification.Kind)
+        {
+            case PlatformRsvpOutcomeKind.GroupAllConfirmed:
+                if (notification.Group is null)
+                {
+                    throw new ArgumentException("Group notification requires a group.", nameof(notification));
+                }
+
+                EnsureTelegram(notification.Group.Platform);
+                await bot.SendMessage(
+                    chatId: ParseLong(notification.Group.ExternalGroupId),
+                    messageThreadId: ParseNullableInt(notification.Group.ExternalThreadId),
+                    text: $"🎉 Игра «{notification.Title}» подтверждена! Все участники на месте.",
+                    cancellationToken: ct);
+                break;
+
+            case PlatformRsvpOutcomeKind.GmAllConfirmed:
+            case PlatformRsvpOutcomeKind.GmPlayerDeclined:
+                foreach (var recipient in notification.Recipients)
+                {
+                    EnsureTelegram(recipient.Platform);
+                    await bot.SendMessage(
+                        chatId: ParseLong(recipient.ExternalUserId),
+                        text: BuildRsvpOutcomeDirectText(notification),
+                        parseMode: ParseMode.Html,
+                        cancellationToken: ct);
+                }
+
+                break;
+
+            default:
+                throw new ArgumentOutOfRangeException(nameof(notification), notification.Kind, "Unknown RSVP outcome kind.");
+        }
+    }
+
+    public Task UpdateRescheduleVoteAsync(PlatformRescheduleVoteUpdate update, CancellationToken ct)
+    {
+        EnsureTelegram(update.Group.Platform);
+        EnsureTelegram(update.ExistingMessage.Platform);
+
+        var resultText = update.SelectedOption is not null
+            ? $"✅ <b>Голосование завершено.</b>\nПобедил вариант {update.SelectedOption.DisplayOrder}: <b>{update.SelectedOption.ProposedAt.FormatMoscow()}</b> (МСК)."
+            : $"❌ <b>Голосование завершено.</b>\n{System.Net.WebUtility.HtmlEncode(update.Decision.Reason)}";
+
+        var text = $"""
+            {HandleRescheduleTimeInputHandler.BuildVotingMessage(
+                update.Title,
+                update.CurrentScheduledAt,
+                update.VotingDeadlineAt,
+                update.Options,
+                update.Participants,
+                update.Votes)}
+
+            {resultText}
+            """;
+
+        return bot.EditMessageText(
+            chatId: ParseLong(update.ExistingMessage.ExternalGroupId),
+            messageId: ParseInt(update.ExistingMessage.ExternalMessageId),
+            text: text,
+            parseMode: ParseMode.Html,
+            cancellationToken: ct);
+    }
+
     private async Task<Message> SendScheduleTextMessage(
         long chatId,
         int? threadId,
@@ -139,6 +270,134 @@ public sealed class TelegramPlatformMessenger(
             replyMarkup: markup,
             cancellationToken: ct);
 
+    private static string BuildConfirmationText(PlatformConfirmationRequest request)
+    {
+        var confirmed = request.Participants.Where(p => p.RsvpStatus == RsvpStatus.Confirmed).ToList();
+        var declined = request.Participants.Where(p => p.RsvpStatus == RsvpStatus.Declined).ToList();
+        var pending = request.Participants.Where(p => p.RsvpStatus == RsvpStatus.Pending).ToList();
+
+        var lines = new List<string>
+        {
+            $"🎲 Подтвердите участие в «{System.Net.WebUtility.HtmlEncode(request.Title)}»",
+            $"📅 {request.ScheduledAt.FormatMoscow()} (МСК)",
+            string.Empty
+        };
+
+        foreach (var participant in confirmed)
+        {
+            lines.Add($"   ✅ {FormatTelegramParticipant(participant)}");
+        }
+
+        foreach (var participant in declined)
+        {
+            lines.Add($"   ❌ <s>{FormatTelegramParticipant(participant)}</s>");
+        }
+
+        foreach (var participant in pending)
+        {
+            lines.Add($"   ⏳ {FormatTelegramParticipant(participant)}");
+        }
+
+        lines.Add(string.Empty);
+
+        if (request.Participants.Count > 0 && confirmed.Count == request.Participants.Count)
+        {
+            lines.Add($"Статус: ✅ все подтвердили ({confirmed.Count}/{request.Participants.Count})");
+        }
+        else if (declined.Count > 0)
+        {
+            lines.Add($"Статус: ⚠️ есть отказы ({confirmed.Count}/{request.Participants.Count} подтвердили)");
+        }
+        else
+        {
+            lines.Add($"Статус: ожидаем подтверждения ({confirmed.Count}/{request.Participants.Count})");
+        }
+
+        return string.Join("\n", lines);
+    }
+
+    private static string BuildJoinLinkText(PlatformJoinLinkNotification notification)
+    {
+        var mentions = string.Join(", ", notification.ConfirmedPlayers.Select(FormatTelegramParticipant));
+
+        return $"""
+            🎮 Игра «{notification.Title}» начинается через 5 минут!
+
+            🔗 Ссылка на подключение:
+            {notification.JoinLink}
+
+            Участники: {mentions}
+
+            Хорошей игры! 🎲
+            """;
+    }
+
+    private static string BuildDirectNotificationText(PlatformDirectSessionNotification notification) =>
+        notification.Kind switch
+        {
+            PlatformDirectSessionNotificationKind.ConfirmationRequest => $"""
+                🎲 <b>Подтвердите участие в игре</b>
+
+                📌 <b>{System.Net.WebUtility.HtmlEncode(notification.Title)}</b>
+                📅 {notification.ScheduledAt.FormatMoscow()} (МСК)
+
+                Ответьте кнопкой в групповом сообщении расписания.
+                """,
+            PlatformDirectSessionNotificationKind.OneHourReminder => $"""
+                ⏰ <b>Игра начнётся примерно через 1 час</b>
+
+                📌 <b>{System.Net.WebUtility.HtmlEncode(notification.Title)}</b>
+                📅 {notification.ScheduledAt.FormatMoscow()} (МСК)
+                🔗 {System.Net.WebUtility.HtmlEncode(notification.JoinLink ?? string.Empty)}
+                """,
+            PlatformDirectSessionNotificationKind.JoinLink => $"""
+                🎮 <b>Игра начинается через 5 минут</b>
+
+                📌 <b>{System.Net.WebUtility.HtmlEncode(notification.Title)}</b>
+                🔗 {System.Net.WebUtility.HtmlEncode(notification.JoinLink ?? string.Empty)}
+                """,
+            PlatformDirectSessionNotificationKind.RescheduleApproved => $"""
+                ✅ <b>Сессия перенесена по итогам голосования</b>
+
+                📌 <b>{System.Net.WebUtility.HtmlEncode(notification.Title)}</b>
+                📅 Новое время: <b>{notification.ScheduledAt.FormatMoscow()}</b> (МСК)
+                """,
+            PlatformDirectSessionNotificationKind.RescheduleRejected => $"""
+                ❌ <b>Перенос сессии отклонён по итогам голосования</b>
+
+                📌 <b>{System.Net.WebUtility.HtmlEncode(notification.Title)}</b>
+                📅 Время остаётся прежним: <b>{notification.ScheduledAt.FormatMoscow()}</b> (МСК)
+                Причина: {System.Net.WebUtility.HtmlEncode(notification.Reason ?? string.Empty)}
+                """,
+            _ => BuildFallbackDirectText(notification)
+        };
+
+    private static string BuildFallbackDirectText(PlatformDirectSessionNotification notification) =>
+        $"<b>{System.Net.WebUtility.HtmlEncode(notification.Title)}</b>\n{notification.ScheduledAt.FormatMoscow()} (МСК)";
+
+    private static string BuildRsvpOutcomeDirectText(PlatformRsvpOutcomeNotification notification) =>
+        notification.Kind switch
+        {
+            PlatformRsvpOutcomeKind.GmAllConfirmed =>
+                $"✅ Все подтвердили участие в «{System.Net.WebUtility.HtmlEncode(notification.Title)}» ({notification.ScheduledAt.FormatMoscow()} МСК).",
+            PlatformRsvpOutcomeKind.GmPlayerDeclined =>
+                $"🚨 Отмена! {System.Net.WebUtility.HtmlEncode(notification.ActorDisplayName ?? "Игрок")} не сможет прийти на игру «{System.Net.WebUtility.HtmlEncode(notification.Title)}».",
+            _ => System.Net.WebUtility.HtmlEncode(notification.Title)
+        };
+
+    private static InlineKeyboardMarkup BuildRsvpKeyboard(Guid sessionId) =>
+        new([
+            [
+                InlineKeyboardButton.WithCallbackData("✅ Буду", $"rsvp:confirm:{sessionId}"),
+                InlineKeyboardButton.WithCallbackData("❌ Не смогу", $"rsvp:decline:{sessionId}")
+            ]
+        ]);
+
+    private static string FormatTelegramParticipant(PlatformSessionParticipant participant) =>
+        participant.User.ExternalUsername is not null
+            ? $"@{participant.User.ExternalUsername}"
+            : System.Net.WebUtility.HtmlEncode(participant.User.DisplayName);
+
     private async Task TrySendScheduleImageOnly(
         long chatId,
         int? threadId,

src/GmRelay.Bot/Infrastructure/Telegram/UpdateRouter.cs

@@ -1,8 +1,8 @@
 // ... UpdateRouter will have CancelSessionHandler and cancel_session route instead of close_recruitment
 using GmRelay.Shared.Domain;
+using GmRelay.Shared.Features.Confirmation.HandleRsvp;
 using GmRelay.Shared.Features.Sessions.CreateSession;
 using GmRelay.Shared.Rendering;
-using GmRelay.Bot.Features.Confirmation.HandleRsvp;
 using GmRelay.Bot.Features.Sessions.CreateSession;
 using GmRelay.Bot.Features.Sessions.ListSessions;
 using GmRelay.Bot.Features.Sessions.ExportCalendar;
@@ -187,11 +187,11 @@ public sealed class UpdateRouter(
 
             var command = new HandleRsvpCommand(
                 SessionId: sessionId,
-                TelegramUserId: query.From.Id,
+                User: user,
                 Status: status,
-                CallbackQueryId: query.Id,
-                ChatId: message.Chat.Id,
-                MessageId: message.MessageId);
+                InteractionId: query.Id,
+                Group: group,
+                ConfirmationMessage: scheduleMessage);
 
             await rsvpHandler.HandleAsync(command, ct);
         }

src/GmRelay.Bot/Program.cs

@@ -1,17 +1,17 @@
-using GmRelay.Bot.Features.Confirmation.HandleRsvp;
-using GmRelay.Bot.Features.Confirmation.SendConfirmation;
-using GmRelay.Bot.Features.Notifications;
-using GmRelay.Bot.Features.Reminders.SendJoinLink;
-using GmRelay.Bot.Features.Reminders.SendOneHourReminder;
 using GmRelay.Bot.Features.Sessions.CreateSession;
 using GmRelay.Bot.Features.Sessions.RescheduleSession;
 using GmRelay.Bot.Infrastructure.Database;
 using GmRelay.Shared.Features.Sessions.RescheduleSession;
 using GmRelay.Bot.Infrastructure.Health;
 using GmRelay.Bot.Infrastructure.Logging;
-using GmRelay.Bot.Infrastructure.Scheduling;
 using GmRelay.Bot.Infrastructure.Telegram;
+using GmRelay.Shared.Features.Confirmation.HandleRsvp;
+using GmRelay.Shared.Features.Confirmation.SendConfirmation;
+using GmRelay.Shared.Features.Notifications;
+using GmRelay.Shared.Features.Reminders.SendJoinLink;
+using GmRelay.Shared.Features.Reminders.SendOneHourReminder;
 using GmRelay.Shared.Features.Sessions.CreateSession;
+using GmRelay.Shared.Infrastructure.Scheduling;
 using GmRelay.Shared.Platform;
 using Npgsql;
 using Telegram.Bot;
@@ -54,11 +54,12 @@ builder.Services.AddSingleton<ITelegramBotClient>(sp =>
 });
 builder.Services.AddSingleton<ITelegramUpdateSource, TelegramUpdateSource>();
 builder.Services.AddSingleton<IPlatformMessenger, TelegramPlatformMessenger>();
+builder.Services.AddSingleton(new PlatformSchedulerOptions(PlatformKind.Telegram));
 
 // ── Feature handlers (explicit registration — AOT safe) ──────────────
 builder.Services.AddSingleton<SendConfirmationHandler>();
 builder.Services.AddSingleton<ISendConfirmationHandler>(sp => sp.GetRequiredService<SendConfirmationHandler>());
-builder.Services.AddSingleton<DirectSessionNotificationSender>();
+builder.Services.AddSingleton<PlatformDirectNotificationSender>();
 builder.Services.AddSingleton<HandleRsvpHandler>();
 builder.Services.AddSingleton<SendJoinLinkHandler>();
 builder.Services.AddSingleton<ISendJoinLinkHandler>(sp => sp.GetRequiredService<SendJoinLinkHandler>());
@@ -85,7 +86,7 @@ builder.Services.AddHostedService<TelegramMiniAppMenuButtonService>();
 builder.Services.AddHostedService<TelegramBotService>();
 
 // ── Clock and scheduling ──────────────────────────────────────────────
-builder.Services.AddSingleton<ISystemClock, SystemClock>();
+builder.Services.AddSingleton<ISystemClock, GmRelay.Bot.Infrastructure.Scheduling.SystemClock>();
 builder.Services.AddSingleton<ISessionTriggerStore, DbSessionTriggerStore>();
 
 // ── Session scheduler ────────────────────────────────────────────────

src/GmRelay.Bot/packages.lock.json

@@ -664,6 +664,7 @@
         "type": "Project",
         "dependencies": {
           "Dapper": "[2.1.72, )",
+          "Microsoft.Extensions.Hosting.Abstractions": "[10.0.5, )",
           "Microsoft.Extensions.Logging.Abstractions": "[10.0.5, )",
           "Npgsql": "[10.0.2, )"
         }