Paul Faure 4b7349037f feat(kql): support numeric range queries (>=, <=, >, <) ...

Add NumericRestrictionNode to the KQL PEG grammar so that range
operators work with numeric values, not just DateTimes. This enables
queries like `size>=1048576`, `photo.iso>=100`, `photo.fNumber>=2.8`,
and `photo.focalLength<50`.

Changes:
- ast: add NumericNode with Key, Operator, Value (float64)
- kql/dictionary.peg: add NumericRestrictionNode and Number rules
- kql/factory.go: add buildNumericNode()
- kql/cast.go: add toFloat64()
- bleve/compiler.go: compile NumericNode to NumericRangeQuery

Fixes: #12093

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-03-07 23:51:08 -05:00

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