feat: send personal player notifications

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

@@ -1,4 +1,5 @@
 using Dapper;
+using GmRelay.Bot.Features.Notifications;
 using GmRelay.Shared.Domain;
 using Npgsql;
 using Telegram.Bot;
@@ -13,7 +14,8 @@ internal sealed record SessionInfo(
     string Title,
     DateTime ScheduledAt,
     Guid GroupId,
-    long TelegramChatId);
+    long TelegramChatId,
+    string NotificationMode);
 
 internal sealed record ParticipantInfo(
     long TelegramId,
@@ -29,6 +31,7 @@ internal sealed record ParticipantInfo(
 public sealed class SendConfirmationHandler(
     NpgsqlDataSource dataSource,
     ITelegramBotClient bot,
+    DirectSessionNotificationSender directSender,
     ILogger<SendConfirmationHandler> logger)
 {
     public async Task HandleAsync(Guid sessionId, CancellationToken ct)
@@ -39,7 +42,8 @@ public sealed class SendConfirmationHandler(
         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
+                   g.telegram_chat_id AS TelegramChatId,
+                   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
@@ -115,6 +119,26 @@ public sealed class SendConfirmationHandler(
                 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);

src/GmRelay.Bot/Features/Notifications/DirectSessionNotificationSender.cs

@@ -0,0 +1,41 @@
+using Telegram.Bot;
+using Telegram.Bot.Types.Enums;
+
+namespace GmRelay.Bot.Features.Notifications;
+
+public sealed record DirectNotificationRecipient(long TelegramId, string DisplayName);
+
+public sealed class DirectSessionNotificationSender(
+    ITelegramBotClient bot,
+    ILogger<DirectSessionNotificationSender> logger)
+{
+    public async Task SendAsync(
+        IEnumerable<DirectNotificationRecipient> recipients,
+        string htmlText,
+        string notificationKind,
+        Guid sessionId,
+        CancellationToken ct)
+    {
+        foreach (var recipient in recipients)
+        {
+            try
+            {
+                await bot.SendMessage(
+                    chatId: recipient.TelegramId,
+                    text: htmlText,
+                    parseMode: ParseMode.Html,
+                    cancellationToken: ct);
+            }
+            catch (Exception ex)
+            {
+                logger.LogWarning(
+                    ex,
+                    "Failed to send {NotificationKind} DM for session {SessionId} to player {TelegramId} ({DisplayName})",
+                    notificationKind,
+                    sessionId,
+                    recipient.TelegramId,
+                    recipient.DisplayName);
+            }
+        }
+    }
+}

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

@@ -1,4 +1,5 @@
 using Dapper;
+using GmRelay.Bot.Features.Notifications;
 using GmRelay.Shared.Domain;
 using Npgsql;
 using Telegram.Bot;
@@ -12,7 +13,8 @@ internal sealed record JoinLinkSession(
     string Title,
     string JoinLink,
     DateTime ScheduledAt,
-    long TelegramChatId);
+    long TelegramChatId,
+    string NotificationMode);
 
 internal sealed record ConfirmedPlayer(
     long TelegramId,
@@ -28,6 +30,7 @@ internal sealed record ConfirmedPlayer(
 public sealed class SendJoinLinkHandler(
     NpgsqlDataSource dataSource,
     ITelegramBotClient bot,
+    DirectSessionNotificationSender directSender,
     ILogger<SendJoinLinkHandler> logger)
 {
     public async Task HandleAsync(Guid sessionId, CancellationToken ct)
@@ -38,7 +41,8 @@ public sealed class SendJoinLinkHandler(
         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
+                   g.telegram_chat_id AS TelegramChatId,
+                   s.notification_mode AS NotificationMode
             FROM sessions s
             JOIN game_groups g ON g.id = s.group_id
             WHERE s.id = @SessionId
@@ -102,6 +106,24 @@ public sealed class SendJoinLinkHandler(
             """,
             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/SendOneHourReminderHandler.cs

@@ -0,0 +1,97 @@
+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)
+{
+    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/CreateSession/CancelSessionHandler.cs

@@ -1,4 +1,5 @@
 using Dapper;
+using GmRelay.Bot.Features.Notifications;
 using GmRelay.Shared.Domain;
 using GmRelay.Shared.Rendering;
 using Npgsql;
@@ -15,11 +16,12 @@ public sealed record CancelSessionCommand(
     int MessageId);
 
 // DTOs for AOT compilation
-internal sealed record CancelSessionInfoDto(string Title, Guid BatchId, long GmId);
+internal sealed record CancelSessionInfoDto(string Title, Guid BatchId, long GmId, string NotificationMode);
 
 public sealed class CancelSessionHandler(
     NpgsqlDataSource dataSource,
     ITelegramBotClient bot,
+    DirectSessionNotificationSender directSender,
     ILogger<CancelSessionHandler> logger)
 {
     public async Task HandleAsync(CancelSessionCommand command, CancellationToken ct)
@@ -29,7 +31,7 @@ public sealed class CancelSessionHandler(
         
         // 1. Проверяем, что запрос делает ГМ данной сессии
         var session = await connection.QuerySingleOrDefaultAsync<CancelSessionInfoDto>(
-            @"SELECT s.title as Title, s.batch_id as BatchId, g.gm_telegram_id as GmId
+            @"SELECT s.title as Title, s.batch_id as BatchId, g.gm_telegram_id as GmId, s.notification_mode as NotificationMode
               FROM sessions s
               JOIN game_groups g ON s.group_id = g.id
               WHERE s.id = @SessionId",
@@ -73,6 +75,19 @@ public sealed class CancelSessionHandler(
               ORDER BY sp.registration_status ASC, sp.created_at ASC, sp.responded_at ASC, p.created_at ASC",
             new { BatchId = session.BatchId }, transaction);
 
+        var directRecipients = (await connection.QueryAsync<DirectNotificationRecipient>(
+            """
+            SELECT p.telegram_id AS TelegramId,
+                   p.display_name AS DisplayName
+            FROM session_participants sp
+            JOIN players p ON sp.player_id = p.id
+            WHERE sp.session_id = @SessionId
+              AND sp.is_gm = false
+              AND sp.registration_status = @Active
+            """,
+            new { command.SessionId, Active = ParticipantRegistrationStatus.Active },
+            transaction)).ToList();
+
         await transaction.CommitAsync(ct);
 
         // 4. Перерисовываем сообщение
@@ -92,6 +107,17 @@ public sealed class CancelSessionHandler(
             
             // Опционально: написать отдельное сообщение в чат
             await bot.SendMessage(command.ChatId, $"❌ <b>Внимание!</b> Сессия \"{System.Net.WebUtility.HtmlEncode(session.Title)}\" отменена.", parseMode: Telegram.Bot.Types.Enums.ParseMode.Html, cancellationToken: ct);
+
+            var mode = SessionNotificationModeExtensions.FromDatabaseValue(session.NotificationMode);
+            if (mode.ShouldSendDirectMessages())
+            {
+                await directSender.SendAsync(
+                    directRecipients,
+                    $"❌ <b>Сессия отменена</b>\n\n📌 <b>{System.Net.WebUtility.HtmlEncode(session.Title)}</b>",
+                    "session-cancelled",
+                    command.SessionId,
+                    ct);
+            }
         }
         catch (Exception ex)
         {

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

@@ -1,4 +1,5 @@
 using Dapper;
+using GmRelay.Bot.Features.Notifications;
 using GmRelay.Shared.Domain;
 using GmRelay.Shared.Rendering;
 using Npgsql;
@@ -12,9 +13,13 @@ namespace GmRelay.Bot.Features.Sessions.RescheduleSession;
 
 internal sealed record AwaitingProposalDto(
     Guid Id, Guid SessionId, string Title, DateTime CurrentScheduledAt,
-    Guid BatchId, int? BatchMessageId, long TelegramChatId);
+    Guid BatchId, int? BatchMessageId, long TelegramChatId, string NotificationMode);
 
-internal sealed record VoteParticipantDto(Guid PlayerId, string DisplayName, string? TelegramUsername);
+internal sealed record VoteParticipantDto(
+    Guid PlayerId,
+    string DisplayName,
+    string? TelegramUsername,
+    long TelegramId = 0);
 
 // ── Handler ──────────────────────────────────────────────────────────
 
@@ -26,6 +31,7 @@ internal sealed record VoteParticipantDto(Guid PlayerId, string DisplayName, str
 public sealed class HandleRescheduleTimeInputHandler(
     NpgsqlDataSource dataSource,
     ITelegramBotClient bot,
+    DirectSessionNotificationSender directSender,
     ILogger<HandleRescheduleTimeInputHandler> logger)
 {
     /// <summary>
@@ -48,7 +54,8 @@ public sealed class HandleRescheduleTimeInputHandler(
             """
             SELECT rp.id AS Id, rp.session_id AS SessionId, s.title AS Title, s.scheduled_at AS CurrentScheduledAt,
                    s.batch_id AS BatchId, s.batch_message_id AS BatchMessageId,
-                   g.telegram_chat_id AS TelegramChatId
+                   g.telegram_chat_id AS TelegramChatId,
+                   s.notification_mode AS NotificationMode
             FROM reschedule_proposals rp
             JOIN sessions s ON s.id = rp.session_id
             JOIN game_groups g ON g.id = s.group_id
@@ -86,7 +93,10 @@ public sealed class HandleRescheduleTimeInputHandler(
         // 3. Load participants (non-GM) signed up for this session
         var participants = (await connection.QueryAsync<VoteParticipantDto>(
             """
-            SELECT p.id AS PlayerId, p.display_name AS DisplayName, p.telegram_username AS TelegramUsername
+            SELECT p.id AS PlayerId,
+                   p.display_name AS DisplayName,
+                   p.telegram_username AS TelegramUsername,
+                   p.telegram_id AS TelegramId
             FROM session_participants sp
             JOIN players p ON p.id = sp.player_id
             WHERE sp.session_id = @SessionId
@@ -135,6 +145,29 @@ public sealed class HandleRescheduleTimeInputHandler(
             replyMarkup: keyboard,
             cancellationToken: ct);
 
+        var mode = SessionNotificationModeExtensions.FromDatabaseValue(proposal.NotificationMode);
+        if (mode.ShouldSendDirectMessages())
+        {
+            var directText = $"""
+                🔄 <b>Голосование за перенос сессии</b>
+
+                📌 <b>{System.Net.WebUtility.HtmlEncode(proposal.Title)}</b>
+                📅 Текущее время: <b>{proposal.CurrentScheduledAt.FormatMoscow()}</b> (МСК)
+                📅 Новое время: <b>{newTime.FormatMoscow()}</b> (МСК)
+
+                Проголосуйте кнопкой в групповом сообщении.
+                """;
+
+            await directSender.SendAsync(
+                participants.Select(p => new DirectNotificationRecipient(
+                    p.TelegramId,
+                    p.DisplayName)),
+                directText,
+                "reschedule-vote",
+                proposal.SessionId,
+                ct);
+        }
+
         // Store vote message ID
         await connection.ExecuteAsync(
             "UPDATE reschedule_proposals SET vote_message_id = @MsgId WHERE id = @Id",
@@ -156,7 +189,11 @@ public sealed class HandleRescheduleTimeInputHandler(
 
         await connection.ExecuteAsync(
             """
-            UPDATE sessions SET scheduled_at = @NewTime, status = @Status, updated_at = now()
+            UPDATE sessions
+            SET scheduled_at = @NewTime,
+                status = @Status,
+                one_hour_reminder_processed_at = NULL,
+                updated_at = now()
             WHERE id = @SessionId
             """,
             new { NewTime = newTime, proposal.SessionId, Status = SessionStatus.Planned },

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

@@ -1,4 +1,5 @@
 using Dapper;
+using GmRelay.Bot.Features.Notifications;
 using GmRelay.Shared.Domain;
 using GmRelay.Shared.Rendering;
 using Npgsql;
@@ -25,11 +26,13 @@ internal sealed record VoteProposalDto(
     string SessionStatus,
     long TelegramChatId,
     int? ConfirmationMessageId,
-    int? BatchMessageId);
+    int? BatchMessageId,
+    string NotificationMode);
 
 public sealed class HandleRescheduleVoteHandler(
     NpgsqlDataSource dataSource,
     ITelegramBotClient bot,
+    DirectSessionNotificationSender directSender,
     ILogger<HandleRescheduleVoteHandler> logger)
 {
     public async Task HandleAsync(HandleRescheduleVoteCommand command, CancellationToken ct)
@@ -48,7 +51,8 @@ public sealed class HandleRescheduleVoteHandler(
                    s.status AS SessionStatus,
                    s.confirmation_message_id AS ConfirmationMessageId,
                    s.batch_message_id AS BatchMessageId,
-                   g.telegram_chat_id AS TelegramChatId
+                   g.telegram_chat_id AS TelegramChatId,
+                   s.notification_mode AS NotificationMode
             FROM reschedule_proposals rp
             JOIN sessions s ON s.id = rp.session_id
             JOIN game_groups g ON g.id = s.group_id
@@ -105,7 +109,8 @@ public sealed class HandleRescheduleVoteHandler(
                 """
                 SELECT p.id AS PlayerId,
                        p.display_name AS DisplayName,
-                       p.telegram_username AS TelegramUsername
+                       p.telegram_username AS TelegramUsername,
+                       p.telegram_id AS TelegramId
                 FROM session_participants sp
                 JOIN players p ON p.id = sp.player_id
                 WHERE sp.session_id = @SessionId
@@ -130,6 +135,8 @@ public sealed class HandleRescheduleVoteHandler(
 
         if (decision.Outcome == RescheduleVoteOutcome.Rejected)
         {
+            var directRecipients = await LoadDirectRecipients(connection, proposal.SessionId, transaction);
+
             await connection.ExecuteAsync(
                 "UPDATE reschedule_proposals SET status = 'Rejected' WHERE id = @Id",
                 new { Id = command.ProposalId },
@@ -156,12 +163,25 @@ public sealed class HandleRescheduleVoteHandler(
             }
 
             await bot.AnswerCallbackQuery(command.CallbackQueryId, decision.CallbackText, cancellationToken: ct);
+
+            var mode = SessionNotificationModeExtensions.FromDatabaseValue(proposal.NotificationMode);
+            if (mode.ShouldSendDirectMessages())
+            {
+                await directSender.SendAsync(
+                    directRecipients,
+                    $"❌ <b>Перенос сессии отклонён</b>\n\n📌 <b>{System.Net.WebUtility.HtmlEncode(proposal.Title)}</b>\n📅 Время остаётся прежним: <b>{proposal.CurrentScheduledAt.FormatMoscow()}</b> (МСК)",
+                    "reschedule-rejected",
+                    proposal.SessionId,
+                    ct);
+            }
+
             logger.LogInformation("Reschedule proposal {ProposalId} rejected by player {PlayerId}", command.ProposalId, playerId);
             return;
         }
 
         if (decision.ShouldRescheduleSession)
         {
+            var directRecipients = await LoadDirectRecipients(connection, proposal.SessionId, transaction);
             var newTime = new DateTimeOffset(proposal.ProposedAt, TimeSpan.Zero);
 
             await connection.ExecuteAsync(
@@ -171,6 +191,7 @@ public sealed class HandleRescheduleVoteHandler(
                     status = @Status,
                     confirmation_message_id = NULL,
                     link_message_id = NULL,
+                    one_hour_reminder_processed_at = NULL,
                     updated_at = now()
                 WHERE id = @SessionId
                 """,
@@ -214,6 +235,17 @@ public sealed class HandleRescheduleVoteHandler(
 
             await TryUpdateBatchMessage(proposal, ct);
 
+            var mode = SessionNotificationModeExtensions.FromDatabaseValue(proposal.NotificationMode);
+            if (mode.ShouldSendDirectMessages())
+            {
+                await directSender.SendAsync(
+                    directRecipients,
+                    $"✅ <b>Сессия перенесена</b>\n\n📌 <b>{System.Net.WebUtility.HtmlEncode(proposal.Title)}</b>\n📅 Новое время: <b>{proposal.ProposedAt.FormatMoscow()}</b> (МСК)",
+                    "reschedule-approved",
+                    proposal.SessionId,
+                    ct);
+            }
+
             logger.LogInformation(
                 "Session {SessionId} rescheduled to {NewTime} (proposal {ProposalId})",
                 proposal.SessionId,
@@ -257,6 +289,25 @@ public sealed class HandleRescheduleVoteHandler(
         await bot.AnswerCallbackQuery(command.CallbackQueryId, decision.CallbackText, cancellationToken: ct);
     }
 
+    private static async Task<List<DirectNotificationRecipient>> LoadDirectRecipients(
+        Npgsql.NpgsqlConnection connection,
+        Guid sessionId,
+        Npgsql.NpgsqlTransaction transaction)
+    {
+        return (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
+            """,
+            new { SessionId = sessionId, Active = ParticipantRegistrationStatus.Active },
+            transaction)).ToList();
+    }
+
     private async Task TryUpdateBatchMessage(VoteProposalDto proposal, CancellationToken ct)
     {
         try

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

@@ -2,6 +2,7 @@ using Dapper;
 using GmRelay.Shared.Domain;
 using GmRelay.Bot.Features.Confirmation.SendConfirmation;
 using GmRelay.Bot.Features.Reminders.SendJoinLink;
+using GmRelay.Bot.Features.Reminders.SendOneHourReminder;
 using Npgsql;
 
 namespace GmRelay.Bot.Infrastructure.Scheduling;
@@ -17,11 +18,13 @@ namespace GmRelay.Bot.Infrastructure.Scheduling;
 public sealed class SessionSchedulerService(
     NpgsqlDataSource dataSource,
     SendConfirmationHandler confirmationHandler,
+    SendOneHourReminderHandler oneHourReminderHandler,
     SendJoinLinkHandler joinLinkHandler,
     ILogger<SessionSchedulerService> logger) : BackgroundService
 {
     private static readonly TimeSpan TickInterval = TimeSpan.FromMinutes(1);
     private static readonly TimeSpan ConfirmationLeadTime = TimeSpan.FromHours(24);
+    private static readonly TimeSpan OneHourReminderLeadTime = TimeSpan.FromHours(1);
     private static readonly TimeSpan JoinLinkLeadTime = TimeSpan.FromMinutes(5);
 
     protected override async Task ExecuteAsync(CancellationToken stoppingToken)
@@ -36,6 +39,7 @@ public sealed class SessionSchedulerService(
             try
             {
                 await ProcessConfirmationTriggers(stoppingToken);
+                await ProcessOneHourReminderTriggers(stoppingToken);
                 await ProcessJoinLinkTriggers(stoppingToken);
             }
             catch (OperationCanceledException) when (stoppingToken.IsCancellationRequested)
@@ -52,6 +56,42 @@ public sealed class SessionSchedulerService(
         logger.LogInformation("Session scheduler stopped");
     }
 
+    /// <summary>
+    /// T-1h trigger: process direct reminders according to the session notification mode.
+    /// </summary>
+    private async Task ProcessOneHourReminderTriggers(CancellationToken ct)
+    {
+        await using var connection = await dataSource.OpenConnectionAsync(ct);
+
+        var sessionIds = 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
+            });
+
+        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);
+            }
+        }
+    }
+
     /// <summary>
     /// T-24h trigger: find sessions that need confirmation requests sent.
     /// Condition: status='Planned' AND scheduled_at minus 24h is in the past.

src/GmRelay.Bot/Migrations/V007__add_session_notification_mode.sql

@@ -0,0 +1,8 @@
+ALTER TABLE sessions
+    ADD COLUMN notification_mode VARCHAR(50) NOT NULL DEFAULT 'GroupAndDirect'
+        CHECK (notification_mode IN ('GroupAndDirect', 'GroupOnly')),
+    ADD COLUMN one_hour_reminder_processed_at TIMESTAMPTZ;
+
+CREATE INDEX ix_sessions_one_hour_reminders ON sessions (scheduled_at)
+    WHERE status IN ('Confirmed', 'ConfirmationSent')
+      AND one_hour_reminder_processed_at IS NULL;

src/GmRelay.Bot/Program.cs

@@ -1,6 +1,8 @@
 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;
@@ -50,8 +52,10 @@ builder.Services.AddSingleton<ITelegramUpdateSource, TelegramUpdateSource>();
 
 // ── Feature handlers (explicit registration — AOT safe) ──────────────
 builder.Services.AddSingleton<SendConfirmationHandler>();
+builder.Services.AddSingleton<DirectSessionNotificationSender>();
 builder.Services.AddSingleton<HandleRsvpHandler>();
 builder.Services.AddSingleton<SendJoinLinkHandler>();
+builder.Services.AddSingleton<SendOneHourReminderHandler>();
 builder.Services.AddSingleton<CreateSessionHandler>();
 builder.Services.AddSingleton<JoinSessionHandler>();
 builder.Services.AddSingleton<LeaveSessionHandler>();