Esquelet inicial: finestra negra i primera escena

source/utils/defines.hpp

@@ -0,0 +1,19 @@
+#pragma once
+
+namespace Texts {
+    constexpr const char* WINDOW_TITLE = "© 2026 Aventures en Egipte — JailDesigner";
+    constexpr const char* COPYRIGHT = "© 2026 JailDesigner";
+    constexpr const char* VERSION = "0.1.0";  // Single source of truth — Makefile el grep
+}  // namespace Texts
+
+namespace GameCanvas {
+    constexpr int WIDTH = 320;
+    constexpr int HEIGHT = 240;
+    constexpr int CENTER_X = WIDTH / 2;
+    constexpr int CENTER_Y = HEIGHT / 2;
+}  // namespace GameCanvas
+
+namespace Tile {
+    constexpr int SIZE = 8;
+    constexpr int HALF_SIZE = SIZE / 2;
+}  // namespace Tile