Update app.py

app.py

@@ -73,6 +73,15 @@ WORLD_STATE_FILE_MD_PREFIX = "🌍_" # Prefix for world save files
 # File Emojis
 FILE_EMOJIS = {"md": "📝", "mp3": "🎵", "png": "🖼️", "mp4": "🎥", "zip": "📦", "json": "📄"}
 
+# --- Mapping Emojis to Primitive Types ---
+# Ensure these types match the createPrimitiveMesh function keys in index.html
+PRIMITIVE_MAP = {
+    "🌳": "Tree", "🗿": "Rock", "🏛️": "Simple House", "🌲": "Pine Tree", "🧱": "Brick Wall",
+    "🔵": "Sphere", "📦": "Cube", "🧴": "Cylinder", "🍦": "Cone", "🍩": "Torus",
+    "🍄": "Mushroom", "🌵": "Cactus", "🔥": "Campfire", "⭐": "Star", "💎": "Gem",
+    "🗼": "Tower", "🚧": "Barrier", "⛲": "Fountain", "🏮": "Lantern", "팻": "Sign Post"
+    # Add more pairs up to ~20 if desired
+}
 
 # --- Directories ---
 for d in [CHAT_DIR, AUDIO_DIR, AUDIO_CACHE_DIR, SAVED_WORLDS_DIR]: