Solving Substack TipTap CDP Publish (When Lexical Will Not Work)

TL;DR : After bashing my head against Reddit / IH / Twitter Lexical anti-bot for 2 hours, I tried the same approach on Substack and it just worked. TipTap is friendlier to programmatic input than Lexical (with anti-bot). Below: the exact selectors + the working 30-line script. Context I'm at Day 60 of an indie iOS experiment. Distribution requires posting to: Reddit (Lexical) — body input blocked IndieHackers (Lexical) — body input blocked Twitter X (Lexical) — body input blocked Substack (TipTa