iter(g316): ua loop 给出下一个可用编号

packages/tools/cli/bin/ua.js

@@ -1770,8 +1770,9 @@ function cmdLoop(args) {
   const items = Array.isArray(data) ? data : data.items;
   const open = items.filter((i) => i.status === 'open');
   const pending = open.filter((i) => i.domain === 'visual');
+  const nextId = `g${Math.max(0, ...items.map((i) => Number(String(i.id).replace(/^g/, '')) || 0)) + 1}`; // 下一条可用编号：自补条目直接照抄，省得撞号后回头 rebase
   if (args.includes('--json')) {
-    const out = { now, lock, entries: lines.length, last, total: items.length, open: open.length, openVisual: pending.length };
+    const out = { now, lock, entries: lines.length, last, total: items.length, open: open.length, openVisual: pending.length, nextId };
     console.log(JSON.stringify(out, null, 2));
     return;
   }
@@ -1781,7 +1782,7 @@ function cmdLoop(args) {
   else console.log(`循环锁：心跳 ${lock.age} 秒前（≥ 15 分钟）→ 疑似中断，可删锁重新点火`);
   console.log(last ? `上次留痕：${last.id} ${last.result} @ ${last.ts}（${last.commit}）` : '上次留痕：无');
   console.log(`累计留痕：${lines.length} 条｜backlog：${items.length} 条，open ${open.length} 条（视觉欠账 ${pending.length} 条）`);
-  if (!open.length) console.log('选题：无 open 条目 → 本轮需按《选题规则》自补一条');
+  if (!open.length) console.log(`选题：无 open 条目 → 本轮需按《选题规则》自补一条（下一条可用编号 ${nextId}）`);
   else console.log(`选题：下一条取 ${pending[0]?.id ?? open[0].id}（${pending[0] ? '视觉欠账优先' : '按数组顺序'}）`);
 }