One PostIdParser for {{link:}} and select_post; post_link_url_<type> needs a
living, readable, non-attachment target of exactly that type.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
DiviSaver/DiviWriter/DiviComposition/DiviChange, WpValueSanitizer (S4),
WpMediaResolver, DiviFlags (S11), DynamicContentMap from Divi's live
registry (S22), S31 wiring, S35 control strip at apply() entry.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>