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.

components/LegalFooter.tsx

@@ -1,5 +1,6 @@
 import Link from "next/link";
 import type { ReactNode } from "react";
+import { DOCS_URL, GITEA_URL } from "@/lib/plans";
 
 function LegalLink({
   href,
@@ -33,7 +34,7 @@ export function LegalFooter() {
   return (
     <footer className="mt-auto w-full border-t border-gray-800 bg-black/40 py-8 text-xs text-gray-500">
       <div className="mx-auto flex max-w-4xl flex-wrap items-center justify-center gap-x-4 gap-y-2 px-6 md:justify-start">
-        <span>© {year} Songs2VID. All rights reserved.</span>
+        <span>© {year} Songs2VID. MIT licensed.</span>
         <span aria-hidden="true" className="hidden sm:inline">
           |
         </span>
@@ -50,16 +51,18 @@ export function LegalFooter() {
         <span aria-hidden="true" className="hidden sm:inline">
           |
         </span>
-        <LegalLink href="/terms">Terms of Service</LegalLink>
+        <LegalLink href="/terms">Terms of Use</LegalLink>
         <span aria-hidden="true" className="hidden sm:inline">
           |
         </span>
-        <LegalLink href="https://docs.songs2vid.com" external>Documentation</LegalLink>
+        <LegalLink href={DOCS_URL} external>
+          Documentation
+        </LegalLink>
         <span aria-hidden="true" className="hidden sm:inline">
           |
         </span>
-        <LegalLink href="https://status.atakanozban.com/status/2" external>
-          Service Status
+        <LegalLink href={GITEA_URL} external>
+          Source
         </LegalLink>
       </div>
     </footer>