Peça o sistema. A IA monta, testa e põe no ar.

<mad-form submit="onSave" data-mad-entity-id="693"><mad-form-section title="Cadastro de Venda" icon="file-text"><mad-form-grid :cols="2"><mad-dbcombo-field data-mad-column-id="4533" data-mad-entity-id="693" data-mad-ref-entity-id="691" data-mad-ref-column-id="4521" data-mad-ref-display-column-id="4522" name="pessoa_id" label="Pessoa" database="app" model="Pessoa" key="id" display="{nome}" order-by="nome" order="asc" :required="true" /><mad-date-field data-mad-column-id="4534" data-mad-entity-id="693" name="data" label="Data" :required="true" /></mad-form-grid><mad-form-grid :cols="2"><mad-money-field name="total" label="Total" prefix="R$" :decimals="2" :readonly="true" /><mad-input-field data-mad-column-id="4536" data-mad-entity-id="693" name="status" label="Status" /></mad-form-grid></mad-form-section><mad-form-actions><mad-btn variant="primary" type="submit" icon="save">Salvar</mad-btn></mad-form-actions></mad-form>

<?phpnamespace App\Models\App;use Illuminate\Database\Eloquent\Model;use Illuminate\Database\Eloquent\Relations\BelongsTo;use Illuminate\Database\Eloquent\Relations\HasMany;use Mad\Database\Concerns\HasIdPolicy;use Mad\Database\Concerns\HasMadAudit;class Venda extends Model{use HasIdPolicy, HasMadAudit;protected $connection = 'app';protected $table      = 'venda';// Colunas de auditoria/soft-delete desta tabela (chave ausente = desligada).protected array $madAudit = ['created_at' => 'created_at','updated_at' => 'updated_at',];protected $fillable = ['pessoa_id','data','total','status',];public static function rules($id = null): array{return ['pessoa_id' => 'required|integer','data' => 'required','total' => 'nullable|numeric','status' => 'nullable|max:20',];}public function pessoa(): BelongsTo{return $this->belongsTo(Pessoa::class, 'pessoa_id');}public function vendaItems(): HasMany{return $this->hasMany(VendaItem::class, 'venda_id');}protected static function booted(): void{static::deleting(function (self $model) {if (VendaItem::where('venda_id', '=', $model->id)->exists()) {throw new \Exception('Não é possível deletar este registro pois ele está sendo utilizado em outra parte do sistema');}});}}

<?phpuse Mad\Component\MadComponent;use Mad\Form\MadForm;use Mad\Form\MadValidationException;use Mad\Http\MadResponse;use Mad\Ui\MadMessage;use App\Models\App\Venda;use Illuminate\Support\Facades\DB;// use App\Control\VendaList;// @mad-block:user:uses {// @mad-block:user:uses }/*** @mad-generated* @mad-entity-id 693*/class VendaForm extends MadComponent{// @mad-block:config:properties {protected static string $wrapper = self::DRAWER;protected static string $title   = 'Cadastro de Venda';protected static string $size    = '600px';protected static string $side    = 'right';public MadForm $form;// int|string: tabela cuja PK é varchar/char (código, matrícula) tem chave// de texto — `int` transformaria 'ABC-1' em 0 e salvaria no registro errado.public int|string|null $recordId = null;// @mad-block:config:properties }// @mad-block:user:properties {// @mad-block:user:properties }// @mad-block:lifecycle:mount {public function mount(array $params = []): void{$this->form = new MadForm('form');if (! empty($params['id'])) {$this->onEdit($params['id']);}}// @mad-block:lifecycle:mount }// @mad-block:lifecycle:onEdit {public function onEdit(int|string $id): void{// @mad-block:locked:onEdit:master {$venda = Venda::findOrFail($id);$this->recordId = $venda->getKey();// @mad-block:locked:onEdit:master }// @mad-block:detail-load-hooks {// @mad-block:detail-load-hooks }$this->form->fill($venda);}// @mad-block:lifecycle:onEdit }// @mad-block:lifecycle:onSave {public function onSave(): MadResponse{try {$this->form->validate(Venda::rules($this->recordId));$venda = DB::connection('app')->transaction(function () {// @mad-block:locked:onSave:master {$venda = Venda::findOrNew($this->recordId);// @mad-block:locked:onSave:master }// @mad-block:detail-save-hooks {// @mad-block:detail-save-hooks }$this->form->save($venda);$this->recordId = $venda->getKey();return $venda;});// @mad-block:combo-origin {// Tela aberta por um combo ("Sem resultados → Cadastrar novo"):// devolve a option nova selecionada e fecha o overlay. Fora desse// caso returnToCombo() responde null e o fluxo normal segue.if (($__combo = $this->returnToCombo($this->recordId)) !== null) {return $__combo;}// @mad-block:combo-origin }// @mad-block:after-save {return (new MadResponse())->toast('Registro salvo com sucesso!', 'success')->closeDrawer()->manageRow($this->recordId, VendaList::class);// @mad-block:after-save }} catch (MadValidationException $e) {return $e->asInline();} catch (\Throwable $e) {return MadMessage::error('Erro ao salvar', $e->getMessage());}}// @mad-block:lifecycle:onSave }// Caminho da view gerado pela plataforma a partir da PASTA DO MÓDULO.// Bloco byte-exact: NÃO edite — trocar o módulo regenera este path sozinho.// @mad-block:locked:view-name {protected function viewName(): string{return 'venda-form';}// @mad-block:locked:view-name }// @mad-block:lifecycle:view {protected function view(): string|array{$replaces = [];return [$this->viewName(), $replaces];}// @mad-block:lifecycle:view }// @mad-block:user:functions {// @mad-block:user:functions }}