feat: record who created join codes and who added each node [CI]

web/admin/src/pages/AgentDetail.tsx

@@ -264,6 +264,12 @@ export function AgentDetail() {
                 <dd>{a.public_visible ? '是' : '否'}</dd>
                 <dt>注册时间</dt>
                 <dd>{fmtTime(a.created_at)}</dd>
+                {a.added_by ? (
+                  <>
+                    <dt>添加者</dt>
+                    <dd>{a.added_by}</dd>
+                  </>
+                ) : null}
                 <dt>最后在线</dt>
                 <dd>{fmtTime(a.last_seen_at)}</dd>
                 <dt>标签</dt>

web/admin/src/pages/Agents.tsx

@@ -195,6 +195,7 @@ export function Agents() {
               <thead>
                 <tr>
                   <th>备注</th>
+                  <th>创建者</th>
                   <th>使用</th>
                   <th>注册后</th>
                   <th>过期</th>
@@ -209,6 +210,7 @@ export function Agents() {
                   return (
                     <tr key={t.id}>
                       <td>{t.note || <span className="faint">—</span>}</td>
+                      <td className="muted">{t.created_by ?? '—'}</td>
                       <td className="num">
                         {t.uses} / {t.max_uses}
                       </td>

web/admin/src/pages/Probes.tsx

@@ -256,6 +256,7 @@ export function Probes() {
             </div>
             <p className="faint" style={{ marginTop: 4 }}>
               创建于 {fmtTime(p.created_at)}
+              {p.added_by ? `，由 ${p.added_by} 添加` : ''}
               {p.revoked_at ? `，吊销于 ${fmtTime(p.revoked_at)}` : ''}
             </p>
             {p.connections.length > 0 ? (