Close OSS self-host gaps: in-repo API docs, legal notes, and packaging.

Add MIT license and docs/api, strip SaaS status/admin remnants from robots and footer, align env/compose/README with payment-free product truth.

app/terms/page.tsx

@@ -1,15 +1,51 @@
 import { LegalPageLayout } from "@/components/LegalPageLayout";
+import { LEGAL_OPERATOR } from "@/lib/legal/constants";
+import { DOCS_URL, GITEA_URL } from "@/lib/plans";
 
 export default function TermsPage() {
   return (
     <LegalPageLayout title="Terms of Use">
       <p>
-        Songs2VID is provided as open-source, self-hosted software without warranty. The operator of
-        each instance is responsible for availability, configuration, and user access.
+        Songs2VID OSS is open-source, <strong>payment-free, self-hosted software</strong>. These
+        terms describe use of the software and of instances that run it. They are{" "}
+        <strong>not</strong> the paid cloud Terms of Service for songs2vid.com (a separate hosted
+        product with its own billing and policies).
       </p>
+
+      <h2>1. Software license and warranty</h2>
       <p>
-        You are responsible for the media you process and upload, including compliance with
-        copyright law and YouTube&apos;s terms.
+        The source is provided under the license in the repository <code>LICENSE</code> file. The
+        software is provided <strong>without warranty</strong> of any kind. The operator of each
+        instance is responsible for availability, security, backups, configuration, and who may
+        sign in.
+      </p>
+
+      <h2>2. No paid features in this edition</h2>
+      <p>
+        This edition has no Stripe integration, subscriptions, credits, pricing pages, or paywalls.
+        Full layout, watermark, API, and playlist features are available to signed-in users of the
+        instance. Any paid offering lives only on the separate hosted SaaS product.
+      </p>
+
+      <h2>3. Your content and YouTube</h2>
+      <p>
+        You are solely responsible for media you upload and for compliance with copyright law and
+        YouTube&apos;s terms. Connecting Google/YouTube authorizes the instance to upload on your
+        behalf within the scopes granted.
+      </p>
+
+      <h2>4. Acceptable use</h2>
+      <p>
+        Do not use the software to infringe rights, abuse YouTube or Google APIs, or circumvent
+        another party&apos;s security. Operators may suspend access on their instances.
+      </p>
+
+      <h2>5. Contact</h2>
+      <p>
+        Package / project contact:{" "}
+        <a href={`mailto:${LEGAL_OPERATOR.email}`}>{LEGAL_OPERATOR.email}</a>. Instance-specific
+        support: contact your operator. Docs: <a href={DOCS_URL}>{DOCS_URL}</a>. Source:{" "}
+        <a href={GITEA_URL}>{GITEA_URL}</a>.
       </p>
     </LegalPageLayout>
   );