feat: send personal player notifications

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.