feat: external video player flow and discord playback link improvements

src/commands/music/play.ts

@@ -0,0 +1,23 @@
+import { SlashCommandBuilder } from "discord.js";
+import type { CommandModule } from "../../discord/types.js";
+import { musicPlayer } from "../../services/music/music-player.js";
+
+export const playCommand: CommandModule = {
+  data: new SlashCommandBuilder()
+    .setName("play")
+    .setDescription("유튜브 URL 또는 검색어를 재생합니다")
+    .addStringOption((opt) => opt.setName("query").setDescription("URL 또는 검색어").setRequired(true)),
+  async execute(interaction) {
+    if (!interaction.guildId) return;
+    const query = interaction.options.getString("query", true);
+    await interaction.deferReply();
+    try {
+      const message = await musicPlayer.enqueueFromInteraction(interaction, query);
+      await interaction.editReply(message);
+    } catch (error) {
+      await interaction.editReply(
+        `재생 실패: ${error instanceof Error ? error.message : "알 수 없는 오류"}`,
+      );
+    }
+  },
+};