feat: external video player flow and discord playback link improvements

src/commands/music/queue.ts

@@ -0,0 +1,17 @@
+import { SlashCommandBuilder } from "discord.js";
+import type { CommandModule } from "../../discord/types.js";
+import { musicPlayer } from "../../services/music/music-player.js";
+
+export const queueCommand: CommandModule = {
+  data: new SlashCommandBuilder().setName("queue").setDescription("현재 음악 대기열을 보여줍니다"),
+  async execute(interaction) {
+    if (!interaction.guildId) return;
+    const queue = musicPlayer.list(interaction.guildId);
+    if (queue.length === 0) {
+      await interaction.reply("대기열이 비어 있습니다.");
+      return;
+    }
+    const lines = queue.slice(0, 10);
+    await interaction.reply(`현재 대기열:\n${lines.join("\n")}`);
+  },
+};