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kevinveenbirkenbach
23688c6850
A client picks start, end and step freely, so nothing limited how much
the upstream scanned. Against the live Prometheus contract a day at
minute resolution asks for 1441 points while the contract returns 100:
the server computed all of them and the adapter discarded 1341, with the
timeout bounding only how long it did that, four times over.
The ceiling is result_items, which the adapter already truncates to, so
the request and the response now mean the same number and no eighth
limit key was needed across seventeen roles. The refusal names the
smallest step that fits. Both boundary forms Prometheus accepts are
understood, and one that cannot be parsed is refused rather than waved
through, since a range nobody can measure is a range nobody can bound.
The rule keys on a tool declaring the three range arguments, not on a
role name, so a future range-shaped upstream inherits it.
938426da01 closed the time half of the same criterion with
--query.timeout; this is the sample half.
Also repairs one dead link the docs move left in the README.