Initial commit: Horux Strategy Platform

- Laravel 11 backend with API REST
- React 18 + TypeScript + Vite frontend
- Multi-parser architecture for accounting systems (CONTPAQi, Aspel, SAP)
- 27+ financial metrics calculation
- PDF report generation with Browsershot
- Complete documentation (10 documents)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/app/Models/User.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Foundation\Auth\User as Authenticatable;
+use Illuminate\Notifications\Notifiable;
+use Laravel\Sanctum\HasApiTokens;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class User extends Authenticatable
+{
+    use HasApiTokens, HasFactory, Notifiable;
+
+    protected $fillable = [
+        'nombre',
+        'email',
+        'password',
+        'role',
+        'cliente_id',
+    ];
+
+    protected $hidden = [
+        'password',
+        'remember_token',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'email_verified_at' => 'datetime',
+            'password' => 'hashed',
+        ];
+    }
+
+    public function cliente(): BelongsTo
+    {
+        return $this->belongsTo(Cliente::class);
+    }
+
+    public function permisosEmpleado(): HasMany
+    {
+        return $this->hasMany(PermisoEmpleado::class);
+    }
+
+    public function isAdmin(): bool
+    {
+        return $this->role === 'admin';
+    }
+
+    public function isAnalista(): bool
+    {
+        return $this->role === 'analista';
+    }
+
+    public function isCliente(): bool
+    {
+        return $this->role === 'cliente';
+    }
+
+    public function isEmpleado(): bool
+    {
+        return $this->role === 'empleado';
+    }
+
+    public function canAccessCliente(int $clienteId): bool
+    {
+        if ($this->isAdmin() || $this->isAnalista()) {
+            return true;
+        }
+
+        return $this->cliente_id === $clienteId;
+    }
+}