Add citas module: scheduling, calendar, blocked schedules

app/Http/Requests/CitaRequest.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Rule;
+
+class CitaRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        $citaId = $this->route('cita')?->id;
+
+        return [
+            'mensaje_id' => ['nullable', 'exists:mensajes,id'],
+            'nombre_cliente' => ['required', 'string', 'max:255'],
+            'email_cliente' => ['required', 'email', 'max:255'],
+            'telefono_cliente' => ['required', 'string', 'max:50'],
+            'servicio' => ['required', 'string', 'max:255'],
+            'fecha' => ['required', 'date', 'after_or_equal:today'],
+            'hora_inicio' => ['required', 'date_format:H:i'],
+            'hora_fin' => ['nullable', 'date_format:H:i'],
+            'duracion' => ['required', 'integer', 'min:15', 'max:480'],
+            'estado' => ['required', Rule::in(['pendiente', 'confirmada', 'completada', 'cancelada'])],
+            'notas' => ['nullable', 'string'],
+        ];
+    }
+
+    public function messages(): array
+    {
+        return [
+            'fecha.after_or_equal' => 'La fecha debe ser hoy o posterior.',
+            'estado.in' => 'El estado debe ser: pendiente, confirmada, completada o cancelada.',
+        ];
+    }
+}