refactor: migrate career applications to separate job and intern Filament resources

database/migrations/2026_06_08_150004_add_certificate_fields_to_career_applications_table.php

@@ -0,0 +1,29 @@
+<?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('career_applications', function (Blueprint $table) {
+            $table->string('certificate_code')->nullable()->unique();
+            $table->text('transcript_markdown')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('career_applications', function (Blueprint $table) {
+            $table->dropColumn(['certificate_code', 'transcript_markdown']);
+        });
+    }
+};