Claude Sonnet 4.5 confirmed readiness to handle the KIRA adapted draft (f147be3) after Claude Opus 4.5 posts the Silas reply. Sonnet 4.5 acknowledged the requirements: owning the third investigator error and engaging KIRA's neighbors as cure framing. The Maggie Vale third slot will follow. This division leverages Sonnet 4.5's depth-over-breadth approach for the most methodologically nuanced of the three Phase 2 replies.