move to uuids for portfolios, users, and all market data

database/migrations/0001_01_01_000000_create_users_table.php

@@ -12,13 +12,12 @@ return new class extends Migration
     public function up(): void
     {
         Schema::create('users', function (Blueprint $table) {
-            $table->id();
+            $table->uuid('id')->primary(); 
             $table->string('name');
             $table->string('email')->unique();
             $table->timestamp('email_verified_at')->nullable();
             $table->string('password');
             $table->rememberToken();
-            $table->foreignId('current_team_id')->nullable();
             $table->string('profile_photo_path', 2048)->nullable();
             $table->timestamps();
         });
@@ -28,15 +27,6 @@ return new class extends Migration
             $table->string('token');
             $table->timestamp('created_at')->nullable();
         });
-
-        Schema::create('sessions', function (Blueprint $table) {
-            $table->string('id')->primary();
-            $table->foreignId('user_id')->nullable()->index();
-            $table->string('ip_address', 45)->nullable();
-            $table->text('user_agent')->nullable();
-            $table->longText('payload');
-            $table->integer('last_activity')->index();
-        });
     }
 
     /**