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docs(site): publish a terms of service page (#273)
lux has shipped on two app stores, syncs accounts, hands one person control of another person's lights, and now reads a church's service plan — with no terms anywhere. This adds /terms/ as a third real document (same MPA shape as /privacy/) and links it from the nav and the footer beside Privacy. Covers what exists today and nothing else: the app is free and GPLv3 with no account required, there is nothing to buy, accounts and shared control (including the up-to-an-hour revocation window a guest connection carries), Planning Center as read-only and cancellable from either end, the lighting posture — local control is authoritative, keep an operator, not for life-safety — availability with no SLA, your content, liability, and changes.
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‎apps/site/src/chrome.tsx‎

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@@ -8,13 +8,16 @@ export function Nav() {
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</svg>
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lux
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</a>
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<div className="flex items-center gap-7 text-[15px]">
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<div className="flex items-center gap-5 text-[15px] sm:gap-7">
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<a className="text-mut transition-colors hover:text-ink" href="/#how">
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How it works
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</a>
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<a className="text-mut transition-colors hover:text-ink" href="/privacy/">
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Privacy
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</a>
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<a className="text-mut transition-colors hover:text-ink" href="/terms/">
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Terms
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</a>
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</div>
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</nav>
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);
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<a className="transition-colors hover:text-ink" href="/privacy/">
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Privacy
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</a>
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<a className="transition-colors hover:text-ink" href="/terms/">
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Terms
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</a>
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</div>
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</div>
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</footer>

‎apps/site/src/pages/terms.tsx‎

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import { Nav, Footer } from "../chrome";
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export function Terms() {
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return (
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<div className="mx-auto max-w-[1120px] px-6">
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<Nav />
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<article className="mx-auto max-w-[68ch] py-14 pb-24 [&_h2]:mt-10 [&_h2]:mb-2.5 [&_h2]:text-2xl [&_h2]:font-semibold [&_li]:my-1.5 [&_li]:text-[#c6ccd4] [&_p]:my-3 [&_p]:text-[#c6ccd4] [&_strong]:text-ink [&_ul]:my-3 [&_ul]:ml-6 [&_ul]:list-disc">
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<h1 className="text-[clamp(32px,4vw,44px)] font-bold tracking-[-0.02em]">
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Terms
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</h1>
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<p className="mt-1.5 !text-[15px] !text-mut">
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Effective August 10, 2026 · applies to lux for macOS and iOS, the lux
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account, and this site
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</p>
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<h2>The short version</h2>
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<p>
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The app is free and open source, and it works without an account. An
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account exists only for the things that cross a boundary — another
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device, another person, another company's service. Two sections below
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are worth reading twice:{" "}
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<strong>lighting control</strong> and{" "}
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<strong>Planning Center</strong>. They are the ones that matter when
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something goes wrong during a service.
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</p>
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<h2>Who you're agreeing with</h2>
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<p>
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lux is made and run by John Carmack —{" "}
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<a className="text-accent underline underline-offset-3" href="mailto:johncarmack@me.com">
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johncarmack@me.com
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</a>
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. "We" means that. "You" means you, and if you're agreeing on behalf
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of a church or an organization, it means that organization and you're
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confirming you may bind it.
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</p>
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<h2>The app is free, and it's yours</h2>
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<p>
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The lux desktop and mobile apps are free and open source under the
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GNU General Public License v3.0. That license governs the software
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itself, and{" "}
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<strong>nothing in these terms takes away a right it grants you</strong>.
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The full 512-channel desk, all three outputs, custom fixtures,
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scenes, and manual control work with no account and no payment.
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</p>
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<h2>There's nothing to buy</h2>
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<p>
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lux has no paid plan, no subscription, and no in-app purchase. If
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that ever changes, the terms for it will be published here before
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anyone is asked to pay, and the offline app will stay free.
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</p>
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<h2>Accounts</h2>
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<p>
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You need an account only for the features that leave your machine:
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syncing setups between your devices, sharing control with someone
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else, connecting Planning Center. You're responsible for what happens
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under yours. Tell us at the address above if you think someone else
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has it.
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</p>
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<p>
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Don't hand out your password to share a rig — share the setup
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instead. That's a thing lux does properly, and it's revocable.
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</p>
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<h2>Sharing control</h2>
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<p>
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Sharing a setup gives another lux account real control of real lights
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on your rig. Give it only to people you trust, and know what it costs
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to take back:
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</p>
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<ul>
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<li>
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An invite is single-use and expires on its own. Either side can end
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a grant at any time — revoking and leaving are the same act named
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from opposite ends, and neither party needs the other's
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cooperation.
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</li>
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<li>
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<strong>Revoking is not instant for a guest who is already
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connected.</strong> Their access is checked when they connect, and
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their connection re-checks about once an hour, so someone already
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at your desk may keep it until then. If you need them off the rig
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right now, pull the setup off the network or close the app.
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</li>
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</ul>
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<h2>Planning Center</h2>
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<p>
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If you connect Planning Center, you're confirming you're allowed to
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do that for your organization.
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</p>
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<ul>
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<li>
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<strong>lux only reads.</strong> It never creates, edits, or
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deletes anything in Planning Center, and it never advances your
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service. That's a property of how the software is built, not only a
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promise — the Privacy Policy says exactly how.
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</li>
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<li>
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lux reads your service types and, for the one you pick, the next
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plan and its items. Precisely what that means is in the{" "}
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<a className="text-accent underline underline-offset-3" href="/privacy/">
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Privacy Policy
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</a>
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.
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</li>
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<li>
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Planning Center is your provider, not ours. Your relationship with
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them, and their availability, are between you and them. If they're
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down, change their API, or end your access, lux's plan features
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stop — and, per the next section, your lights do not.
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</li>
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<li>
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Disconnect at any time, from lux or from Planning Center. Either
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one ends it.
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</li>
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</ul>
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<h2>Lighting control — read this one twice</h2>
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<p>
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<strong>lux is a tool, and you are the operator.</strong>
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</p>
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<ul>
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<li>
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<strong>Local control is authoritative and doesn't depend on
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us.</strong> Live DMX output goes from your machine to your
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hardware. If our servers are down, your internet is out, or
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Planning Center is unreachable, your lights hold and manual control
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keeps working. That's how lux is built, and it's the reason the
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cloud features are allowed to exist at all.
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</li>
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<li>
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The plan view shows you your running order. It does not touch your
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lights on its own — you're the one pressing Go — and nothing in it
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sits in the path between a fader and a fixture.
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</li>
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<li>
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<strong>Keep a person who can take over.</strong> For any service
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that matters, have someone at the desk who can run it by hand, and
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make sure they know how.
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</li>
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<li>
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<strong>Do not use lux where a lighting failure could hurt
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someone</strong>, or where a specific light must be guaranteed on
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or off for safety. It is not certified for life-safety, emergency
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lighting, or anything with that kind of consequence. Strobing and
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rapid intensity changes can trigger photosensitive seizures; what
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you put in front of an audience is your call and your
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responsibility.
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</li>
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</ul>
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<h2>Acceptable use</h2>
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<p>
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Don't use lux to break the law, don't try to get into other people's
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accounts or setups, and don't attack the service.
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</p>
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<h2>Availability</h2>
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<p>
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We try to keep the cloud features up, but there's no promised uptime
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and no SLA. We may change or retire a cloud feature with reasonable
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notice. <strong>The offline app is the guarantee; the servers are the
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convenience.</strong>
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</p>
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<h2>Your content</h2>
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<p>
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Your setups, your scenes, and your plan data are yours. We claim no
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ownership of them and no license beyond storing and transmitting them
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to give you the features you turned on. Deleting your account removes
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them from our servers — the{" "}
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<a className="text-accent underline underline-offset-3" href="/privacy/">
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Privacy Policy
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</a>{" "}
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says what that reaches, and what you should end yourself first.
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</p>
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<h2>Warranties and liability</h2>
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<p>
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The hosted service is provided "as is", without warranties beyond
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those the law doesn't let us disclaim. (The software itself carries
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the GPL's own warranty disclaimer; this covers the servers.) To the
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extent the law allows, we're not liable for indirect or consequential
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losses — a missed cue, a service that didn't look the way you wanted,
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lost volunteer time. Nothing here limits liability for death or
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personal injury caused by negligence, or for anything else that can't
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be limited.
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</p>
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<h2>Ending it</h2>
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<p>
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Stop using it whenever you like; delete the account from the account
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menu. We may suspend or end an account that breaks these terms, and
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we'll say why unless we're not allowed to. When it ends, the cloud
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features stop and the free app carries on.
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</p>
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<h2>Changes</h2>
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<p>
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If these terms change, the new text lands on this page with a new
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date at the top. If a change is material and you have an account,
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we'll tell you before it takes effect.
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</p>
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<h2>Contact</h2>
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<p>
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Questions:{" "}
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<a className="text-accent underline underline-offset-3" href="mailto:johncarmack@me.com">
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johncarmack@me.com
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</a>
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</p>
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</article>
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<Footer />
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</div>
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);
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}

‎apps/site/src/terms-main.tsx‎

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import { StrictMode } from "react";
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import { createRoot } from "react-dom/client";
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import "./app.css";
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import { Terms } from "./pages/terms";
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createRoot(document.getElementById("root")!).render(
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<StrictMode>
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<Terms />
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</StrictMode>,
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);

‎apps/site/terms/index.html‎

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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Terms — lux</title>
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<meta
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name="description"
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content="The terms for the lux apps and the lux account: free and open source, no account required, and who is responsible for what when the lights are on."
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/>
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<link rel="canonical" href="https://lux.johncarmack.com/terms/" />
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<meta property="og:title" content="Terms — lux" />
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<meta
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property="og:description"
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content="Free and open source, no account required, and who is responsible for what when the lights are on."
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/>
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<meta property="og:url" content="https://lux.johncarmack.com/terms/" />
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<meta name="theme-color" content="#0b0d10" />
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<link
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rel="icon"
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href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpolygon points='16,6 26,28 6,28' fill='%23e8a33d' fill-opacity='0.35'/%3E%3Ccircle cx='16' cy='7' r='4' fill='%23e8a33d'/%3E%3C/svg%3E"
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/>
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<link
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rel="preload"
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href="/fonts/Geist-Variable.woff2"
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as="font"
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type="font/woff2"
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crossorigin
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/>
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</head>
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<body>
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<div id="root"></div>
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<script type="module" src="/src/terms-main.tsx"></script>
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</body>
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</html>

‎apps/site/vite.config.ts‎

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import babel from "@rolldown/plugin-babel";
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import tailwindcss from "@tailwindcss/vite";
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// MPA on purpose: two real HTML documents (home + privacy), so the privacy URL
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// MPA on purpose: real HTML documents (home, privacy, terms), so each legal URL
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// resolves as a document with no client routing involved.
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export default defineConfig({
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plugins: [react(), babel({ presets: [reactCompilerPreset()] }), tailwindcss()],
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input: {
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main: resolve(import.meta.dirname, "index.html"),
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privacy: resolve(import.meta.dirname, "privacy/index.html"),
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terms: resolve(import.meta.dirname, "terms/index.html"),
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},
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},
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},

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