feat(repo): add CLA mechanism for external contributors
Introduce a Contributor License Agreement (CLA) so external contributions
can be licensed under AGPL-3.0 and any other terms (incl. closed-source),
keeping the AGPL-3.0 codebase usable in closed-source projects.
- CLA.md: authoritative English CLA (ICLA + employer authorization, v1.0)
- CLA.zh.md: non-binding Chinese reference translation
- CONTRIBUTING.md: bilingual contributing guide, points to CLA
- .github/workflows/cla.yml: self-hosted cla-assistant-action that records
signatures into cla-signatures/version-1.json; exempts maintainers & bots
via allowlist; skips when CLA_BOT_TOKEN is unset
- .github/PULL_REQUEST_TEMPLATE.md: guides contributors to sign
- README.{md,en.md,ja.md}: add License & contributing footer
- app/terms: note CLA requirement in the IP section
Enforcement requires repo-level setup (PAT secret + branch protection)
documented in cla.yml; not covered by this commit.
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# Contributor License Agreement — InfiPlot
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Thank you for your interest in contributing to InfiPlot ("the Project"). This
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Contributor License Agreement ("CLA") governs the rights you grant to the
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Project maintainers for your Contributions. **By signing this CLA, you confirm
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that you have read and agree to its terms.** A non-binding Chinese translation
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is available in [`CLA.zh.md`](./CLA.zh.md); in the event of any conflict, this
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English version controls.
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This CLA is version **1.0**.
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## 1. Definitions
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- **"You"** (or **"Contributor"**) means the individual who submits a
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Contribution to the Project and signs this CLA. If You are submitting a
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Contribution on behalf of Your employer, the terms of Section 4 (Employer
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Authorization) also apply.
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- **"We"** (or **"the Project maintainers"**) means the maintainers of the
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InfiPlot project — the individuals and entities authorized to administer the
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Project, including the right to use Contributions as described in this CLA.
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- **"Contribution"** means any original work of authorship, including any
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modification or addition to the existing source code, documentation, assets,
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or other materials, that is intentionally submitted by You to the Project.
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For the avoidance of doubt, this includes submissions made electronically
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(via pull request, commit, issue, comment, or any other channel) as well as
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any code, text, or other content submitted for inclusion in the Project.
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- **"Project"** means the InfiPlot software and all related repositories and
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materials maintained by Us.
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## 2. Copyright License
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Subject to the terms of this CLA, You hereby grant to Us and to the recipients
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of software distributed by Us a perpetual, worldwide, non-exclusive,
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no-charge, royalty-free, irrevocable copyright license to reproduce, prepare
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derivative works of, publicly display, publicly perform, sublicense, and
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distribute Your Contributions and such derivative works.
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Without limiting the foregoing, this license expressly permits Us to use,
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modify, and distribute Your Contributions under the terms of the
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[GNU Affero General Public License v3.0](https://www.gnu.org/licenses/agpl-3.0.html)
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(under which the Project is currently distributed) **and** under any other
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license terms of Our choosing, including proprietary, closed-source, or
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commercial license terms. This is the primary purpose of this CLA.
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## 3. Patent License
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Subject to the terms of this CLA, You hereby grant to Us and to the recipients
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of software distributed by Us a perpetual, worldwide, non-exclusive,
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no-charge, royalty-free, irrevocable (except as stated in Section 6) patent
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license to make, have made, use, offer to sell, sell, import, and otherwise
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transfer the Contribution, where such license applies only to those patent
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claims licensable by You that are necessarily infringed by Your
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Contribution(s) alone or by combination of Your Contribution(s) with the
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Project to which such Contribution(s) was submitted.
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## 4. Employer Authorization
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You represent that, if Your Contribution was created in the course of Your
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employment, or if Your employer (or any entity other than You) might have any
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rights, title, or interest in Your Contribution (for example, because You used
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employer-owned equipment, resources, or time), then one of the following is
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true:
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1. Your employer (or such other entity) has authorized You to submit the
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Contribution and to grant the licenses in Sections 2 and 3; **or**
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2. Your Contribution is not subject to the intellectual property rights of
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Your employer (or any such other entity) — for example, because the work
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was done entirely on Your own time, using only Your own resources, and
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outside the scope of Your employment.
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If We request it, You agree to provide written confirmation of the applicable
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authorization from Your employer (or such other entity) in a form acceptable
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to Us. You acknowledge that, where an employer (or any entity other than You)
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may have rights in a Contribution, We may decline to accept it until suitable
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authorization is provided.
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## 5. Your Representations and Warranties
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You represent that:
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1. Each of Your Contributions is entirely Your original work (or, if not, has
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been submitted to the Project with appropriate attribution and under a
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license compatible with this CLA), and You have the right to submit it.
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2. To the best of Your knowledge, each Contribution does not infringe the
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intellectual property rights (including, without limitation, copyright and
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patent rights) of any third party.
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3. You are legally entitled to grant the licenses set out in Sections 2 and 3,
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and no other agreement, obligation, or restriction (including, without
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limitation, any employment agreement or open-source license) prevents You
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from doing so.
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You provide Your Contributions **"as is"** and, except for the express
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representations and warranties in this CLA, You make no other representations
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or warranties of any kind, whether express or implied.
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## 6. Withdrawal and Revocation
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You may revoke this CLA, or the patent license granted in Section 3, by giving
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Us written notice (by email to **hi@infiplot.com**). Any such revocation takes
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effect **only as to Contributions You submit after** the date We receive Your
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notice, and does not affect any Contribution You submitted before that date or
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the rights already granted in any such Contribution.
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## 7. Disclaimer
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EXCEPT FOR THE EXPRESS REPRESENTATIONS AND WARRANTIES IN THIS CLA, YOUR
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CONTRIBUTIONS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. IN NO EVENT WILL YOU BE
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LIABLE TO US OR TO ANY OTHER PARTY FOR ANY DAMAGES, WHETHER DIRECT, INDIRECT,
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SPECIAL, INCIDENTAL, OR CONSEQUENTIAL, ARISING OUT OF OR RELATED TO THIS CLA
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OR YOUR CONTRIBUTIONS.
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## 8. Miscellaneous
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1. **No obligation.** Nothing in this CLA obligates Us to accept or use any
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Contribution, or to distribute any version of the Project that includes
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Your Contribution.
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2. **Retention of rights.** This CLA grants Us a license to Your
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Contributions; it does not transfer ownership of Your copyright or patent
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rights to Us. You retain all right, title, and interest in and to Your
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Contributions, subject to the licenses granted here.
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3. **Entire agreement.** This CLA, together with any terms referenced herein,
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constitutes the entire agreement between You and Us regarding the subject
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matter hereof and supersedes any prior agreements on that subject.
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4. **Modifications.** We may publish a new version of this CLA from time to
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time (for example, `version-2`). When We do, the new version will apply to
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Contributions You submit after it takes effect; Contributions You submitted
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under a prior version remain governed by that prior version.
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5. **Severability.** If any provision of this CLA is held to be unenforceable
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or invalid, that provision will be limited or eliminated to the minimum
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extent necessary, and the remaining provisions will remain in full force.
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6. **Governing law.** This CLA is governed by the laws applicable to the
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Project maintainers' jurisdiction, without regard to its conflict-of-laws
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principles.
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## 9. Contact
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If You have any questions about this CLA, contact Us at **hi@infiplot.com**.
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---
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_By signing this CLA (for example, by replying to a pull request with the
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phrase "I have read the CLA Document and I hereby sign the CLA"), You confirm
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that You have read, understood, and agree to be bound by its terms._
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