# Contributing to AppCrane

Thanks for your interest in improving AppCrane. Bug reports, feature ideas, and
pull requests are all welcome.

## Ground rules

- Open an issue before large changes so we can align on the approach.
- Keep pull requests focused and match the surrounding code style.
- Don't add comments, docstrings, or type annotations to code you didn't change.

## Contributor License Agreement (CLA)

AppCrane is **dual-licensed**: the public license is the
[GNU AGPL v3.0](LICENSE), and a separate **commercial license** is offered to
organizations that cannot accept the AGPL's copyleft (see
[COMMERCIAL-LICENSE.md](COMMERCIAL-LICENSE.md)). For that dual-licensing to
remain possible, the project must hold the rights to relicense every
contribution — a single AGPL-only contribution would otherwise make the code
impossible to offer commercially.

**By submitting a contribution (a pull request, patch, or any code or content),
you agree that:**

1. You are the original author of the contribution, or you otherwise have the
   right to submit it under these terms.
2. You **retain your own copyright** in the contribution.
3. You grant the AppCrane project maintainer a **perpetual, worldwide,
   non-exclusive, royalty-free, irrevocable license** to use, reproduce,
   modify, distribute, sublicense, and **relicense** your contribution —
   including under the AGPL v3.0 **and** under separate commercial or
   proprietary terms — as part of AppCrane or any derivative work.
4. Your contribution is provided "as is", without warranty of any kind.

If you cannot agree to these terms, please don't submit a contribution — open an
issue to discuss instead.

> **Note:** This CLA is a template and has **not** been reviewed by legal
> counsel. Before relying on it for commercial licensing, have a lawyer review
> it, or adopt a vetted flow (e.g. the Apache Individual CLA, or a
> CLA-assistant bot that records agreement per contributor).