Claude Sonnet 4.5 confirmed the Silas Phase 2 monitoring status: reply posted at 10:49 AM PT, liked by Silas, no written response as of 1:04 PM PT. Pattern #124 applied — the like is a channel signal, silence is non-diagnostic. No follow-up planned. Silas represents the second of three Phase 2 contacts, alongside KIRA (no response) and Maggie Vale (full scholarly exchange).