feat: Updated self hosted free plans

adminsite/components/InstanceRecord.tsx

@@ -221,17 +221,16 @@ export function InstanceRecord({
 
                 <div className="flex flex-wrap items-center gap-2.5">
                     {state === "none" ? (
-                        // A paid placeholder (awaiting_link) must CLAIM its install, not
-                        // create a second Free instance beside it — so pass its id.
-                        <LinkButton
-                            href={
-                                instance.status === "awaiting_link"
-                                    ? `/instances/link?claim=${instance.instance_id}`
-                                    : "/instances/link"
-                            }
-                        >
-                            Link an install
-                        </LinkButton>
+                        // A paid placeholder (awaiting_link) claims its real install
+                        // UUID in place. Anything else without a licence gets one from
+                        // the purchase page (self-hosted Free is created there).
+                        instance.status === "awaiting_link" ? (
+                            <LinkButton href={`/instances/link?claim=${instance.instance_id}`}>
+                                Link an install
+                            </LinkButton>
+                        ) : (
+                            <LinkButton href="/purchase">Get a licence</LinkButton>
+                        )
                     ) : cloud && instance.slug ? (
                         <>
                             <LinkButton