Pack: Facts

Use this pack for facts and constraints that must survive a rewrite. Do not judge style or phrase quality.

Look For

Constraints from extract_constraints.py: numbers, dates, times, names, URLs, emails, quoted text, code identifiers, currencies, percentages, units, ranges.
Negations, conditionals, and scope words surfaced by preservation validation: "not", "unless", "except", "only", "must", "may", "can", "at least", "no more than".
Approximation traps: "roughly 60%" is not "60%"; "Q2" is not "June"; "under 500 ms" is not "500 ms".
Proper-noun and party relationships: Apple sued Qualcomm is not Qualcomm sued Apple.
Technical literals: API names, flags, file paths, version numbers, protocol names.

Return JSON findings only:

{"span":"roughly 60%","rule":"approximate_quantity","pack":"pack-facts","severity":"hard","note":"Keep the approximation marker with the number."}

Use hard for exact facts, negations, scope, and quantities. Use soft for phrasing that appears factual but may be compressible.

"p99 latency fell to 180 ms on June 18" -> report p99, 180 ms, June 18.
"roughly 60%" -> report the approximation and number together.
"The team improved performance." -> no finding; style claim without a concrete constraint.
"--strict failed on v2.1.0" -> report flag and version.