wai-quantum: what is new, what is a known construction found again, and aberrations #495
2026-10-26
wai-quantum: what is new, what is a known construction found again, and aberrations
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Feature 9 of the co-design report: a novelty, rediscovery and serendipity
ledger.
- engine::novelty:
- the inspiring set: GHZ by a chain, by doubling and by fan-out, the
uniform superposition and the toolchain's QFT, at the program's width
(to 12 qubits), and programs the caller adds;
- a structural distance, 0 to 1: weighted Jaccard over gate tokens (kind,
qubits relative to the first) and consecutive pairs of them;
- rediscovery: a program proved to make the same state (a preparation) or
the same circuit as a known construction, never on random inputs alone,
is named for it; built unlike it (distance >= 0.5) it is a different
route to a known result; a program that is itself one known
construction is not a different route to another;
- with a reference, the measures it beats it on that the cost does not
weigh; call is the JSON dispatch for hosts.
- engine::discover:
- an aberration: a candidate that breaks only the specification's rules
is judged again without them; verified there, its evaluation carries
the rule (broke: the gate, or the line), the reason, and the cost, axes
and strength it would have. Never kept. judge returns the rule broken
instead of marking the failure text;
- novelty: one entry at the largest size against the other elites.
- The command line: novelty (--against, --reference, --weigh, --input) and
discover novelty; discover eval and submit print an aberration.
- MCP: novelty_qasm and discover_novelty.
- The Studio:
- Alternatives cards say what is new in each, against the known
constructions and the draft, and mark a different route;
- the Workbench names each kept generator, shows it on the entry with
what it beats the reference on unasked, and logs an aberration with
"Try without that rule", which loosens the specification;
- Found keeps different routes, aberrations and verified entries far from
everything compared, to open, save with a note, or dismiss, counting
what was flagged and saved;
- the assistant has novelty_qasm, and may call a program new only when
the engine says so.
- Bindings: engine_novelty and engine_discover_novelty in the page; novelty
and discover_novelty in the desktop app, which builds quantum_toolchain.
- CI: wai-web's native engine tests count 10.
Co-Authored-By: Claude Opus 5.5 <[email protected]>