Schema::table('mno_partners', function (Blueprint $table) {
    // Stores the ID of the 'Correspondent' in Paperless
    $table->unsignedBigInteger('paperless_correspondent_id')->nullable(); 
});

Schema::table('document_types', function (Blueprint $table) {
    // Stores the ID of the 'Tag' in Paperless (e.g., 'SLA', 'Contract')
    $table->unsignedBigInteger('paperless_tag_id')->nullable();
});