# Third-party notices

## chat2api.py — the bundled Open WebUI reverse proxy

`chat2api/chat2api.py` and `chat2api/requirements.txt` are derived from

- [Sozbo-Tang/openwebui-chat2api](https://github.com/Sozbo-Tang/openwebui-chat2api)

which is released under the **MIT License**:

```
MIT License

Copyright (c) 2026 openwebui-chat2api contributors

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
```

This plugin ships its own copy, with small patches for stable usage storage
(the host passes `DSH_OWUI_USAGE_DB` so stats survive plugin updates and
renames; standalone runs fall back to the in-place `usage.db`).

**Upstream tracking:** the vendored copy also carries plugin-specific additions
(effort-scan, /v1/usage, the dashboard, token-file redirection) and is not a
verbatim snapshot of any upstream commit — diffs against upstream are expected
and each divergence is commented at its site. Upstream fix `32df4a5` (2026-09-07,
"Fix stale-token login loop and upstream stream crashes") was reviewed 2026-09-12:
the streaming-exception tolerance was already covered (our handler catches the
broader `requests.exceptions.RequestException`) and the stale-token check in
`browser_login` was already implemented independently (stronger: page reload +
`_token_state` helper). The remaining piece — validating saved credentials at
startup in `authenticate()` — was ported with one plugin-specific adaptation: a
definitely rejected credential (HTTP 401/403) falls back to the sign-in window
as upstream does, but an unreachable backend keeps the saved credential so a
transient outage cannot kill the DSH autostart.

## Tabler Icons — panel UI glyphs

The control panel embeds a small subset of the outline icon set from

- [tabler/tabler-icons](https://github.com/tabler/tabler-icons) (https://tabler.io/icons)

as inline SVG (12 icons: activity, arrow-down, bolt, chart-bar, copy,
device-floppy, file-text, key, player-play, player-stop, refresh, settings),
released under the **MIT License**:

```
MIT License

Copyright (c) 2018-2025 Paweł Kuna

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
```