Preliminary work on nomination ensemble model and interface.

app/Http/Controllers/NominationEnsembles/NominationEnsembleController.php

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+<?php
+
+namespace App\Http\Controllers\NominationEnsembles;
+
+interface NominationEnsembleController
+{
+    public function index();
+
+    public function show();
+
+    public function create();
+
+    public function store();
+
+    public function edit();
+
+    public function update();
+
+    public function destroy();
+}

app/Models/NominationEnsemble.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class NominationEnsemble extends Model
+{
+    use HasFactory;
+
+    protected function casts(): array
+    {
+        return [
+            'data' => 'array',
+        ];
+    }
+}

database/migrations/2025_02_01_184324_create_nomination_ensembles_table.php

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+<?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('nomination_ensembles', function (Blueprint $table) {
+            $table->id();
+            $table->string('name');
+            $table->date('entry_deadline');
+            $table->integer('minimum_grade');
+            $table->integer('maximum_grade');
+            $table->json('data')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('nomination_ensembles');
+    }
+};