api fix and script fe improv

backend/src/api/packet_scripting_api.py

@@ -493,11 +493,7 @@ async def upload_script(
     except ValueError as e:
         logger.warning("Invalid name provided: %s", name)
         raise HTTPException(status_code=400, detail=str(e))
-
-    if not script.filename.endswith(".py"):
-        logger.warning("Upload rejected: script not .py (name=%s original=%s)", name, script.filename)
-        raise HTTPException(status_code=400, detail="only .py scripts allowed")
-
+    
     spath = script_path_for(name)
     if os.path.exists(spath):
         logger.warning("Upload rejected: script with name already exists: %s", name)