8.0 keeps the canonical operators (eq/ne/gt/gte/lt/lte) and their clean
long-form aliases (equals/notEquals/greaterThan/greaterThanOrEqual/lessThan/
lessThanOrEqual), and drops the four redundant deprecated spellings:
is → eq, isNot → ne, greaterEqual → gte, lessEqual → lte
Removed from every evaluator (metadataIndex criteria + range switches,
metadataFilter, the db whereMatcher egress path) and from the
BrainyFieldOperators type, the unsupported-operator error message, the docs
(QUERY_OPERATORS / api README / VFS projection + semantic guides), and the
whereMatcher alias tests. Also migrated Brainy's own internal use — the VFS
TemporalProjection queried with greaterEqual/lessEqual, which would have
silently broken — to gte/lte.
Full gate green: build, unit 1512, integration 607.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
David Snelling
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