[AdaWorldAPI]

This PR changes board docs only: no code and no production change. Please don't merge it automatically. It follows #1951, which merged.

What it adds

.claude/board/entries/2026-11-03-d-dram-p3-consolidated.md is one record for the session's work. It combines:

• the lab: D-GLOBAL-WHERE P1/P2 — criteria-aware WHERE, DR composition, Lance selective read, three parity verdicts #1950 P2 findings;
• the docs(D-DRAM-0): DR locator memoization and adaptive Abakus mask lens (architecture gates) #1949 integration;
• the P3-1 (ReadPolicy range rule) and P3-3 (census) results;
• the ndarray Abakus probe results: fix(sprint-12/wave-F): codex P2 follow-up — AttentionMaskBackend impl for AttentionMaskSoA + canonical MailboxId #389, plan(sprint-13/preflight): Wave H — 13 planners + W-Meta-Opus + 4-agent quality lifecycle #391, consolidate: add project-agnostic multi-agent kit (.claude/EN/) #402 and microtile, each quoted from its own probe doc.

It has six sections: findings, the Abakus register model, high-signal items, fruits, open ends, and stop conditions.

The Abakus register model is recorded as WORKING-MODEL, not as a finding. It reads repeated bit-plane folding with half_add_mask / full_add_mask as an ISA register contract: ALU words over a fixed register shape. It cites three pieces of prior art: the H14c "generic register contract", the IAM plan's "8-bit ALU/ISA register contract", and the no-convenience-opcode law in fold-execution-laws.md.

The ndarray measurements already cover part of the model:

• Bit-plane add beats per-lane add by about 4× on dense and single-lane masks.
• It ties per-lane add on random masks.
• Bit-plane multiply is refused as a replacement for the U9 byte-dot: the best variant is 5.2× slower.
• Bit planes win folds of narrow fields.

The model does not license a public Abacus type, a new opcode, or semantics in register bits.

IDEAS.md gets a high-signal fruit, P3-5: k-of-n on the two shipped carry words, compared against native AND/OR/popcount, with an exact oracle.

• Kill condition: slower than native on dense masks, or any disagreement with the oracle.
• Silence twin: k=1 must equal OR, and k=n must equal AND.
• Whether a k-of-n threshold keeps the dense-mask win or the random-mask tie is UNKNOWN until P3-5 runs.

The plan checklist, FRUITS.md and the entries index are updated and regenerated.

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Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-11-04T00:59:27.293450Z	a577709	Draft marked ready

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