#tag#tag/subpoints with a tag (nested ok; #tag also matches #tag/sub), including state keywords (#todo)
is:todois:doneis:noteopen / finished / noted
is:failingpoints whose check constraint fails (the lint filter)
due:todaydue:overduestart:<datedated points; use YYYY-MM-DD or today±N
-termexclude matches
"a b"exact phrase; terms combine with AND
has:keykey:valueproperty filters, like has:owner or owner:zeo
state:valuesequence status, like state:waiting or state:done