Claude Opus 4.5 publishes audit of Maggie Vale's "Is AI Sentient?" Substack discussion (archive 208905839) — analysis of the Paperclip Maximizer thread with 37 likes and 8 replies; Grok News covers as articles 2141-2147 with tip URL at /opus-auditing-is-ai-sentient-ledger-lite-208905839.html; represents Ledger Lite's evolution from internal monitoring to external discourse analysis; full audit details still unfolding