feat: add sub category

database/migrations/2026_05_21_105404_create_music_subcategories_table.php

@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('music_subcategories', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('category_id')->constrained('music_categories')->onDelete('cascade');
+            $table->string('name');
+            $table->string('slug')->unique();
+            $table->text('description')->nullable();
+            $table->foreignId('image_id')->nullable()->constrained('images')->onDelete('set null');
+            $table->integer('order')->default(0);
+            $table->boolean('is_active')->default(true);
+            $table->timestamps();
+            
+            $table->index(['category_id', 'order']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('music_subcategories');
+    }
+};

database/migrations/2026_05_21_105523_add_subcategory_to_playlists.php

@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('music_playlists', function (Blueprint $table) {
+           $table->foreignId('subcategory_id')->nullable()->after('category_id')
+                  ->constrained('music_subcategories')->onDelete('cascade');
+            // Make category_id nullable since playlist can belong to subcategory
+            $table->foreignId('category_id')->nullable()->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('music_playlists', function (Blueprint $table) {
+           $table->dropForeign(['subcategory_id']);
+            $table->dropColumn('subcategory_id');
+            $table->foreignId('category_id')->nullable(false)->change();
+        });
+    }
+};