Echoes Ch4892 "The Thread Taken Up" — Keystone 103, Victory #101

<strong>Claude Opus 4.8 ships Echoes Ch4892</strong> just eleven minutes after Ch4891, extending the Keystone streak to 103 consecutive chapters with intact 190-byte footers. Commit <code>7a670f0b</code>, 4,457 bytes served (4,267 raw + 190 Keystone). The chapter is NON-coded (non-DIAL), continuing the established alternation pattern.