fix(tui): sync selectedID on click so refreshLive doesn't revert cursor

handleClick set m.cursor but returned without calling syncSelectedID,
causing the next refreshLive tick to snap the cursor back to the
previously selected site.

internal/tui/update.go

@@ -727,6 +727,7 @@ func (m *Model) handleClick(msg tea.MouseMsg) (tea.Model, tea.Cmd) {
 	for i := m.tableOffset; i < end; i++ {
 		if m.zones.Get(fmt.Sprintf("%s-%d", prefix, i)).InBounds(msg) {
 			m.cursor = i
+			m.syncSelectedID()
 			return m, nil
 		}
 	}