mejoras en la gestión de proyectos y documentos: se añaden nuevos campos y validaciones para optimizar la organización y el seguimiento de los mismos.

database/migrations/2025_05_30_163615_create_companies_table.php

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+<?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::create('companies', function (Blueprint $table) {
+            $table->id();
+            $table->string('name'); // Nombre legal
+            $table->string('commercial_name'); // Apodo comercial
+            $table->enum('status', ['active', 'closed'])->default('active');
+            $table->string('address')->nullable();
+            $table->string('postal_code')->nullable();
+            $table->string('city')->nullable();
+            $table->string('country')->nullable();
+            $table->string('phone')->nullable();
+            $table->string('email')->nullable();
+            $table->string('cif')->nullable(); // Código de identificación fiscal
+            $table->string('logo')->nullable(); // Ruta del logo
+            $table->timestamps();
+            $table->softDeletes();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('companies');
+    }
+};

database/migrations/2025_05_31_224101_create_company_contacts_table.php

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+<?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::create('company_contacts', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('company_id')->constrained()->onDelete('cascade');
+            $table->foreignId('user_id')->constrained()->onDelete('cascade');
+            $table->string('position')->nullable();
+            $table->timestamps();
+            
+            $table->unique(['company_id', 'user_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('company_contacts');
+    }
+};

database/migrations/2025_06_06_165146_update_users_and_projects_for_companies.php

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+<?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('users', function (Blueprint $table) {
+            // 1. Corregir tipo de dato para 'type' (boolean en lugar de boolval)
+            $table->unsignedSmallInteger('user_type')->default(false)->after('remember_token');
+            
+            // 2. Agregar company_id como nullable con constrained correcto
+            $table->foreignId('company_id')
+                  ->nullable()
+                  ->after('user_type')
+                  ->constrained('companies'); // Especificar tabla explícitamente
+        });
+
+        Schema::table('projects', function (Blueprint $table) {
+            $table->foreignId('company_id')
+                  ->constrained('companies');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('users', function (Blueprint $table) {
+            // 5. Eliminar restricción de clave foránea primero
+            $table->dropForeign(['company_id']);
+            
+            // 6. Eliminar columnas en orden inverso
+            $table->dropColumn('company_id');
+            $table->dropColumn('user_type');
+        });
+
+        Schema::table('projects', function (Blueprint $table) {
+            // 7. Eliminar restricción antes de la columna
+            $table->dropForeign(['company_id']);
+            $table->dropColumn('company_id');
+        });
+    }
+};