feat: Add initial core game scene, player script, and static Tekton manager.

scripts/managers/static_tekton_manager.gd

@@ -42,9 +42,9 @@ func calculate_spawn_points(count: int, gridmap: Node) -> Array[Vector2i]:
 	# If count > 5, we only return 5 because that's the max safe non-adjacent set in 3x3
 	var spawn_points: Array[Vector2i] = []
 	
-	var iterations = min(count, target_indices.size())
-	for i in range(iterations):
-		var zone_idx = target_indices[i]
+	for zone_idx in target_indices:
+		if spawn_points.size() >= count:
+			break
 		var zone = zones[zone_idx]
 		
 		# Determine Position Type for Bias