Index: scripts/migrate-circles.mjs
===================================================================
--- scripts/migrate-circles.mjs	(revision 8ef8c3eac2476504a52ea0e74c93a6692330eecb)
+++ scripts/migrate-circles.mjs	(revision 8ef8c3eac2476504a52ea0e74c93a6692330eecb)
@@ -0,0 +1,42 @@
+// One-time migration: convert the old Cirkels (pull-protocol circle_links) into
+// ActivityPub follows with auto-boost ("feature an artist"). Run per instance:
+//   cd ~/apps/<instance> && node scripts/migrate-circles.mjs
+// Idempotent: followActor upserts ap_following, so re-running is safe.
+
+import 'dotenv/config';
+import db from '../src/config/database.js';
+import ActivityPubService from '../src/services/ActivityPubService.js';
+
+// A Klonkt site's AP actor is reachable from its root via content negotiation:
+// an AP-Accept GET on the root 302s to /ap/users/<slug>.
+async function resolveActor(siteUrl) {
+  try {
+    const r = await fetch(siteUrl, { headers: { Accept: 'application/activity+json' }, redirect: 'manual' });
+    if (r.status >= 300 && r.status < 400) { const loc = r.headers.get('location'); if (loc) return loc; }
+    if (r.ok) return siteUrl; // root already serves the actor
+  } catch (e) { /* unreachable */ }
+  return null;
+}
+
+let links = [];
+try {
+  links = db.prepare(`
+    SELECT cl.remote_url AS url, s.id AS sid, s.slug AS slug
+    FROM circle_links cl JOIN sites s ON s.id = cl.local_site_id
+    WHERE cl.status = 'active'
+  `).all();
+} catch (e) { console.log('no circle_links table — nothing to migrate'); process.exit(0); }
+
+if (!links.length) { console.log('no active circle_links — nothing to migrate'); process.exit(0); }
+
+for (const l of links) {
+  const actor = await resolveActor(l.url);
+  if (!actor) { console.log(`SKIP ${l.slug} -> ${l.url} (actor unresolvable)`); continue; }
+  try {
+    const r = await ActivityPubService.followActor({ id: l.sid, slug: l.slug }, actor, true);
+    console.log(`${l.slug} -> ${actor} : ${r && r.error ? 'ERR ' + r.error : 'OK (auto-boost)'}`);
+  } catch (e) {
+    console.log(`${l.slug} -> ${actor} : EXC ${e.message}`);
+  }
+}
+process.exit(0);