Member updates: saved draft (loads into the admin card, Save draft button)

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

updates.js

@@ -79,6 +79,10 @@ async function send(input, opts) {
   })();
   return { ok: true, id: rec.id, total: rec.total };
 }
+// one saved draft (subject, intro, noteIds, audience): the admin card loads it, Save draft writes it
+const DRAFT = () => path.join(R.dataDir, 'updates-draft.json');
+function draft() { try { return JSON.parse(fs.readFileSync(DRAFT(), 'utf8')); } catch (e) { return null; } }
+function saveDraft(d) { const v = { subject: String(d.subject || '').slice(0, 150), intro: String(d.intro || '').slice(0, 8000), noteIds: (d.noteIds || []).map(String).slice(0, 40), audience: AUDIENCES[d.audience] ? d.audience : 'optin', savedAt: Date.now() }; try { fs.writeFileSync(DRAFT(), JSON.stringify(v)); } catch (e) {} return v; }
 function status() { const l = log(); if (running) { const k = l.sends.find(x => x.id === running.id); if (k) Object.assign(k, running); } return { sends: l.sends.slice(0, 12), running: !!running }; }
 function lastSentAt() { const l = log(); const d = l.sends.find(x => x.status === 'done'); return d ? d.ts : 0; }
-module.exports = { init, AUDIENCES, counts, compose, send, status, lastSentAt };
+module.exports = { init, AUDIENCES, counts, compose, send, status, lastSentAt, draft, saveDraft };