feat: add detail image media and play list

database/migrations/2026_06_03_130000_add_detail_image_to_media_and_playlists.php

@@ -0,0 +1,41 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Add a second image reference: image_id = list/thumbnail image,
+     * detail_image_id = image shown on the detail (show-by-id) screen.
+     */
+    public function up(): void
+    {
+        Schema::table('media', function (Blueprint $table) {
+            $table->unsignedBigInteger('detail_image_id')->nullable()->after('image_id');
+            $table->foreign('detail_image_id')->references('id')->on('images')->nullOnDelete();
+        });
+
+        Schema::table('music_playlists', function (Blueprint $table) {
+            $table->unsignedBigInteger('detail_image_id')->nullable()->after('image_id');
+            $table->foreign('detail_image_id')->references('id')->on('images')->nullOnDelete();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('media', function (Blueprint $table) {
+            $table->dropForeign(['detail_image_id']);
+            $table->dropColumn('detail_image_id');
+        });
+
+        Schema::table('music_playlists', function (Blueprint $table) {
+            $table->dropForeign(['detail_image_id']);
+            $table->dropColumn('detail_image_id');
+        });
+    }
+};