Initial loot UI works to load an item by its world entity ID.

tests/loot.cpp

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+#include <catch2/catch_test_macros.hpp>
+#include <fmt/core.h>
+#include <string>
+#include "components.hpp"
+#include "dinkyecs.hpp"
+
+using namespace fmt;
+using namespace components;
+
+TEST_CASE("test the loot ui", "[loot]") {
+  Config items("assets/items.json");
+  DinkyECS::World world;
+  auto torch = world.entity();
+  auto& data = items["TORCH_BAD"];
+
+  components::init();
+  components::configure_entity(world, torch, data["components"]);
+
+  auto& torch_sprite = world.get<Sprite>(torch);
+  REQUIRE(torch_sprite.name == "torch_horizontal_floor");
+}