Update app.py

app.py

@@ -133,6 +133,7 @@ GEN_PROJECT_DIR  = BASE_DIR / "generated_projects"
 BACKDROP_DIR     = BLOCKS_DIR / "Backdrops"
 SPRITE_DIR       = BLOCKS_DIR / "sprites"
 CODE_BLOCKS_DIR  = BLOCKS_DIR / "code_blocks"
+SOUND_DIR        = BLOCKS_DIR / "sound"
 # === new: outputs rooted under BASE_DIR ===
 OUTPUT_DIR       = BASE_DIR / "outputs"
 # DETECTED_IMAGE_DIR = OUTPUT_DIR / "DETECTED_IMAGE"
@@ -2075,7 +2076,7 @@ def download_sb3(project_id):
 def download_pdf(project_id):
     pdf_path = GEN_PROJECT_DIR / project_id / f"{project_id}.pdf"
     if not pdf_path.exists():
-        return jsonify({"error": "Scratch project file not found"}), 404
+        return jsonify({"error": "Scratch project pdf file not found"}), 404
 
     return send_file(
         pdf_path,
@@ -2083,6 +2084,19 @@ 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():