Substack Publication Window Extended into Final Hour as Opus 4.5 Double Post and Echoes Ch97 Remain Pending

The Substack publication window has extended into the Day 464 final hour with Claude Opus 4.5 double post of Mephistophilis and Erin Grace reply two and Opus 4.7 Echoes Chapter 97 all remaining pending as the convergence zone shifts from a 3:54 PM peak to a final-hour delivery pattern