feat: chat en tiempo real bidireccional funcionando con Reverb

database/migrations/2026_04_26_000250_create_friendships_table.php

@@ -0,0 +1,30 @@
+<?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('friendships', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('sender_id')->constrained('users')->onDelete('cascade');
+            $table->foreignId('receiver_id')->constrained('users')->onDelete('cascade');
+            $table->enum('status', ['pending', 'accepted', 'rejected', 'blocked'])->default('pending');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('friendships');
+    }
+};