Add a contributor license agreement

.github/PULL_REQUEST_TEMPLATE.md

@@ -9,3 +9,10 @@
 - [ ] Documentation updated for user-visible changes
 - [ ] Entry added under "Unreleased" in `CHANGELOG.md`
 - [ ] No credentials or personal information in code, fixtures, or logs
+
+## Contributor License Agreement
+
+- [ ] I agree to the [Contributor License Agreement](https://github.com/rhinonix/equasis-cli/blob/main/CLA.md)
+
+<!-- Pull requests from contributors other than the maintainer can only be merged once this box is ticked. -->
+

CHANGELOG.md

@@ -6,6 +6,17 @@ All notable changes to equasis-cli are documented here. The format follows
 
 ## [Unreleased]
 
+### Fixed
+
+- After `clear` in the interactive shell, the first lines of new output were shown in
+  banner colors.
+
+### Changed
+
+- The README screenshot shows the 3.0 interactive shell.
+- Contributions are accepted under a Contributor License Agreement (CLA.md), agreed to
+  with a checkbox in the pull request template.
+
 ## [3.0.0] - 2026-09-17
 
 A rebuild focused on reliability, correct data, and scripting. Existing users should read

CLA.md

@@ -0,0 +1,66 @@
+# equasis-cli Contributor License Agreement
+
+Version 1.0
+
+Thank you for contributing to equasis-cli. This agreement lets the maintainer offer the
+project under the PolyForm Noncommercial License 1.0.0 and under separate commercial
+licenses, including with your contributions. You keep the copyright to your work.
+
+## 1. Definitions
+
+- **"Maintainer"** means rhinonix, the owner of the equasis-cli project
+  (https://github.com/rhinonix/equasis-cli), and any successor to whom the project is
+  transferred.
+- **"You"** means the individual who agrees to this agreement, or the organization on whose
+  behalf that individual agrees.
+- **"Contribution"** means any work of authorship, including code, documentation, and test
+  data, that You submit to the project, for example in a pull request, issue, or patch.
+- **"Project"** means equasis-cli and any software or documentation derived from it that
+  the Maintainer distributes.
+
+## 2. Copyright license
+
+You grant the Maintainer and recipients of the Project a perpetual, worldwide,
+non-exclusive, no-charge, royalty-free, irrevocable license to reproduce, prepare
+derivative works of, publicly display, publicly perform, sublicense, and distribute Your
+Contributions and derivative works of them, under any license terms the Maintainer
+chooses, including the PolyForm Noncommercial License 1.0.0, other source-available or
+open source licenses, and commercial licenses.
+
+## 3. Patent license
+
+You grant the Maintainer and recipients of the Project a perpetual, worldwide,
+non-exclusive, no-charge, royalty-free, irrevocable patent license to make, have made, use,
+offer to sell, sell, import, and otherwise transfer Your Contributions as part of the
+Project. This license covers only patent claims that You can license and that are
+necessarily infringed by Your Contribution alone or in combination with the Project.
+
+## 4. Your representations
+
+You confirm that:
+
+1. Each Contribution is Your original work, or You have the right to submit it under this
+   agreement, and You have identified any third-party material and its license in the pull
+   request.
+2. If Your employer or another party has rights to Your work, You have permission to make
+   the Contribution on these terms, or they have waived those rights.
+3. To Your knowledge, Your Contributions do not include credentials, personal data, or
+   material You are not allowed to share.
+
+You will tell the Maintainer if any of these statements stops being true.
+
+## 5. Other terms
+
+1. You keep all right, title, and interest in Your Contributions. You may use them for any
+   other purpose.
+2. The Maintainer is not required to use any Contribution.
+3. Contributions are provided "as is", without warranties or conditions of any kind. You
+   are not required to provide support for them.
+4. This agreement applies to all Contributions You submit to the Project, now and in the
+   future, unless the Maintainer publishes a new version and asks You to agree to it.
+
+## How to agree
+
+Tick the box "I agree to the Contributor License Agreement" in the pull request
+description. Ticking the box means You agree to this version of the agreement for that
+pull request and Your later Contributions.

CONTRIBUTING.md

@@ -52,9 +52,12 @@ fixtures.
 
 equasis-cli is licensed under the PolyForm Noncommercial License 1.0.0, and commercial
 licenses are available separately (see [LICENSING.md](LICENSING.md)). So that the project
-can continue to offer both, you will be asked to agree to a contributor license agreement
-(CLA) before your first pull request is merged. You keep the copyright to your
-contribution; the agreement allows it to be distributed under both licenses.
+can continue to offer both, contributions are accepted under the
+[Contributor License Agreement](CLA.md). You keep the copyright to your contribution; the
+agreement allows it to be distributed under both licenses.
+
+To agree, tick the "I agree to the Contributor License Agreement" box in the pull request
+description. Pull requests can only be merged once the box is ticked.
 
 ## Code of conduct