chore: apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: Lash-L

roborock/protocol.py

@@ -366,6 +366,8 @@ def _parse(self, stream, context, path):
                 stream_seek(stream, current_pos + start_index, 0, path)
             else:
                 _LOGGER.debug("No valid version header found in stream, continuing anyways...")
+                # Seek back to the original position to avoid parsing at EOF
+                stream_seek(stream, current_pos, 0, path)
 
         return super()._parse(stream, context, path)
 

tests/devices/test_local_decoder_padding.py

@@ -44,7 +44,7 @@ def test_decoder_4byte_padding():
 
 
 def test_decoder_variable_padding():
-    """Test proposed fix: variable length padding should be skipped."""
+    """Test variable length padding handling."""
     encoder = create_local_encoder(TEST_LOCAL_KEY, connect_nonce=123, ack_nonce=456)
     decoder = create_local_decoder(TEST_LOCAL_KEY, connect_nonce=123, ack_nonce=456)