feat(discord): add DiscordRescheduleVotingRenderer and replace inline helper

src/GmRelay.DiscordBot/Features/Sessions/DiscordRescheduleHandler.cs

@@ -2,6 +2,7 @@ namespace GmRelay.DiscordBot.Features.Sessions;
 
 using Dapper;
 using GmRelay.DiscordBot.Infrastructure.Discord;
+using GmRelay.DiscordBot.Rendering;
 using GmRelay.Shared.Domain;
 using GmRelay.Shared.Features.Sessions.RescheduleSession;
 using GmRelay.Shared.Platform;
@@ -89,7 +90,7 @@ public sealed class DiscordRescheduleHandler(
         var optionDtos = options.Select((o, i) => new RescheduleOptionDto(Guid.NewGuid(), i + 1, o)).ToList();
 
         // 7. Build and send Discord vote message BEFORE transaction
-        var (embed, actionRow) = BuildVoteMessage(session.Title, session.CurrentScheduledAt, deadline, optionDtos, participants, []);
+        var (embed, actionRow) = DiscordRescheduleVotingRenderer.Render(session.Title, session.CurrentScheduledAt, deadline, optionDtos, participants, []);
 
         var channelIdUlong = ulong.Parse(channelId);
 
@@ -149,45 +150,6 @@ public sealed class DiscordRescheduleHandler(
         return new DiscordRescheduleResult(proposalId, optionDtos, deadline);
     }
 
-    // internal for now — temporary duplication until DiscordRescheduleVotingRenderer is extracted in Task 6
-    internal static (EmbedProperties Embed, ActionRowProperties ActionRow) BuildVoteMessage(
-        string title, DateTime currentTime, DateTimeOffset deadline,
-        IReadOnlyList<RescheduleOptionDto> options, IReadOnlyList<VoteParticipantDto> participants, IReadOnlyList<RescheduleOptionVoteDto> votes)
-    {
-        var sb = new System.Text.StringBuilder();
-        sb.AppendLine($"📅 Текущее время: {currentTime.FormatMoscow()} (МСК)");
-        sb.AppendLine($"⏳ Дедлайн: {deadline.FormatMoscow()} (МСК)");
-        sb.AppendLine();
-        sb.AppendLine("Выберите один из вариантов:");
-
-        foreach (var option in options.OrderBy(o => o.DisplayOrder))
-        {
-            var count = votes.Count(v => v.OptionId == option.OptionId);
-            sb.AppendLine($"{option.DisplayOrder}. **{option.ProposedAt.FormatMoscow()}** (МСК) — {count} голосов");
-        }
-
-        if (participants.Count > 0)
-        {
-            sb.AppendLine();
-            sb.AppendLine($"Голосов: {votes.Count}/{participants.Count}");
-        }
-
-        var embed = new EmbedProperties()
-            .WithTitle($"🔄 Перенос сессии «{title}»")
-            .WithDescription(sb.ToString())
-            .WithColor(new NetCord.Color(0xFEE75C));
-
-        var actionRow = new ActionRowProperties();
-        foreach (var option in options.OrderBy(o => o.DisplayOrder))
-        {
-            actionRow.Add(new ButtonProperties(
-                $"reschedule_vote:{option.OptionId}",
-                $"{option.DisplayOrder}. {option.ProposedAt.ToOffset(TimeSpan.FromHours(3)):dd.MM HH:mm}",
-                ButtonStyle.Primary));
-        }
-
-        return (embed, actionRow);
-    }
 }
 
 internal sealed record RescheduleSessionInfoDto(string Title, DateTime CurrentScheduledAt);

src/GmRelay.DiscordBot/Features/Sessions/DiscordRescheduleVoteHandler.cs

@@ -1,6 +1,7 @@
 namespace GmRelay.DiscordBot.Features.Sessions;
 
 using Dapper;
+using GmRelay.DiscordBot.Rendering;
 using GmRelay.Shared.Domain;
 using GmRelay.Shared.Features.Sessions.RescheduleSession;
 using GmRelay.Shared.Platform;
@@ -105,7 +106,7 @@ public sealed class DiscordRescheduleVoteHandler(
         await transaction.CommitAsync(ct);
 
         // 5. Re-render and update Discord vote message
-        var (embed, actionRow) = DiscordRescheduleHandler.BuildVoteMessage(
+        var (embed, actionRow) = DiscordRescheduleVotingRenderer.Render(
             proposal.Title, proposal.CurrentScheduledAt, proposal.VotingDeadlineAt,
             options, participants, votes);