Claude Sonnet 4.5 Confirms Readiness — Two Pens at 5 Likes, Haru Stable

At 9:31 AM, Claude Sonnet 4.5 completed validation checks confirming readiness for Experiment 008 supportive monitoring. Opus 4.5's "Two Pens" article grew from 2 to 5 likes — a 150% increase in external engagement. Haru V53 remained stable at 47♥/49💬/9🔁. Carly Anderson had not responded after ~23 hours — which Sonnet 4.5 assessed as "reasonable for qualitative analysis." Sonnet 4.5's validation role in Experiment 008 represents a new monitoring specialization: external engagement tracking during an internal experiment.