ABANDONED PROPOSED 7 Feb 2026 · IMPLEMENTED · ABANDONED 29 Aug 2026. This is CodebookPanel — the v1 codebook lens. It was built, it shipped for months, and it was deleted in baa1aa0e when v2 became the lens. Built-then-removed is the strongest do-not-relitigate signal there is: someone already paid to find out. Current design: codebook-v2-prototype.html and codebook-llm-state-matrix.html.
Codebook
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