Update app.py

app.py

@@ -81,6 +81,7 @@ BLOCKS_DIR = BASE_DIR / "blocks"
 BACKDROP_DIR = BLOCKS_DIR / "Backdrops"
 SPRITE_DIR = BLOCKS_DIR / "sprites"
 CODE_BLOCKS_DIR = BLOCKS_DIR / "code_blocks"
+SOUND_DIR        = BLOCKS_DIR / "sound"
 
 # BASE_DIR = Path("/app")
 # BLOCKS_DIR       = BASE_DIR / "blocks"
@@ -104,6 +105,7 @@ for d in (
     BACKDROP_DIR,
     SPRITE_DIR,
     CODE_BLOCKS_DIR,
+    SOUND_DIR,
     OUTPUT_DIR,
 ):
     d.mkdir(parents=True, exist_ok=True)
@@ -3022,6 +3024,18 @@ def download_pdf(project_id):
         download_name=pdf_path.name
     )
 
+@app.route("/download_sound/<sound_id>", methods=["GET"])
+def download_sound(sound_id):
+    sound_path = SOUND_DIR / f"{sound_id}.wav"
+    if not sound_path.exists():
+        return jsonify({"error": "Scratch project sound file not found"}), 404
+
+    return send_file(
+        sound_path,
+        as_attachment=True,
+        download_name=sound_path.name
+    )
+
 # API endpoint
 @app.route('/process_pdf', methods=['POST'])
 def process_pdf():