refactor: improve performance action DX (#1130)

database/migrations/2026_03_17_000917_fix_unique_performance_constraint.php

@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+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('performances', function (Blueprint $table) {
+            $table->index('song_id');
+            $table->dropUnique('unique_performance');
+            $table->unique(['song_id', 'artist_type', 'artist_id', 'deleted_at'], 'unique_performance');
+            $table->dropIndex('performances_song_id_index');
+        });
+    }
+};