dolphindb-extension includes code derived from DolphinDB VS Code Extension:
https://github.com/dolphindb/vscode-extension

The upstream source is distributed under the Apache License, Version 2.0.
The fixed upstream revision and extraction details are recorded in
frontend/upstream/provenance.json. Connection method bodies and shared types
are reused through scripts/sync_upstream.py; Jupyter UI, configuration storage,
and the authenticated WebSocket relay are implemented in this project.
