ludic.ui, ludic.i18n: frame_keeps and birth_leaks to 0 - :nth-child's a and b read once per argument, a border-image's miss its own function; typing, the dev dump, parsing, the pointer ring's making, Ln's counted line and the plural header declared

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

packages/ludic.ui/tpl.ludic

@@ -16,6 +16,7 @@ export property UiTpl {
   raw: string = ""              # a <style>'s text, which is not a template's
   where: string = ""            # file:line, for an error
 }
+@alloc_ok("a template being read: once per component class (uc_load)")
 function tpl_read(ui_st: mut UiState, x: Xml, file: string) -> UiTpl {
   let t = new UiTpl
   t.tag = Xml.tag(x)