Establish split score definition

app/Models/SplitScoreDefinition.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class SplitScoreDefinition extends Model
+{
+    use HasFactory;
+
+    protected $guarded = [];
+
+    protected $casts = [
+        'splits' => 'array',
+    ];
+}

database/migrations/2025_10_31_125143_create_split_score_definitions_table.php

@@ -0,0 +1,30 @@
+<?php
+
+use App\Models\Audition;
+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('split_score_definitions', function (Blueprint $table) {
+            $table->id();
+            $table->foreignIdFor(Audition::class)->constrained()->cascadeOnDelete()->cascadeOnUpdate();
+            $table->json('splits')->default('{}');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('split_score_definitions');
+    }
+};