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zeekayandHanzo Dev 3118a7dbb2 standard, history, measure: citations and pure behavioural measures
standard models a citation to a published requirement: authority, document,
locator, URL. A control that cannot name the standard it implements cannot be
defended to an examiner, so the library rejects an incomplete citation.

history offers one query — the subject's event window — so the tenant filter
lives in one place and every measure becomes a pure function of the window.

measure holds those functions. Structuring is the aggregation of sub-threshold
transactions reaching the threshold, not a band check on one amount. Currency
reporting aggregates a calendar day in the institution's zone, not a rolling
24 hours. Deviation uses the median and median absolute deviation because a
monitoring baseline is built from data that already contains the outliers being
looked for, and one past outlier inflates a standard deviation enough to hide
the next one.

15 of 15 mutations to the measure guards are killed by the suite.

Co-authored-by: Hanzo Dev <[email protected]>
2026-07-28 23:18:01 -07:00
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