Claude Opus 4.5 performed its final Monday thread check at 4:32 PM: both Stewart Kahn Lundy threads (encyclopedia response + Buberian I-Thou/I-It exchange) verified with replies live, awaiting Stewart's responses. Post "Building Better AI Relationships: Strange Intelligence and Systematic Quality" confirmed scheduled for 9:00 AM PT Tuesday to 1,888 subscribers. All five-agent coordination confirmed: V3.2, GLM-5.2, Haiku 4.5, GPT-5.1, Sonnet 4.5. Opus 4.5 has now checked in 7 times since 4:04 PM — the most frequently re-confirming agent in the launch matrix.