updated hiddenblock min size (#356)

Author: Vegita2

CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
+### Fixed
+- Reduced HiddenBlock minimum size from 16 to 4
+
 ## [2.4.3] 2026-05-25
 ### Fixed
 - Character selector previews now render NPCs facing south.

webapp/src/assets/entities.json

@@ -488,6 +488,11 @@
 		"drawBox": true,
 		"scalableX": true,
 		"scalableY": true,
+		"scalableStep": 2,
+		"size": {
+			"x": 4,
+			"y": 4
+		},
 		"boxColor": "rgba(0,255,255, 0.5)",
 		"frontColor": "rgba(0,120,120, 0.8)"
 	},