"Provider input","Internal field","Validation","Test"
"Provider lead identity","enquiry_id","Stable across replay","Duplicate delivery"
"Delivery identity","event_id","Track separately from enquiry","Repeated event"
"Submitted phone","phone","Normalize; protect personal data","Missing / malformed"
"Form notice and preferences","contact_policy","Approved purpose and current eligibility","Suppressed enquiry"
"Receipt time","received_at","Timezone and freshness","Stale lead"
"Page/form identifiers","source_reference","Authorized provenance","Wrong account"
"Language preference","language","Provided preference; no sensitive inference","Missing preference"
"Sales owner","owner_id","Assignable human task","Unavailable owner"