0efac618de
- the tmdo_hp_listing_attribute_fields filter (hp_ key => type) registers a site's HivePress listing attributes, such as a "Warranty" number attribute (hp_warranty, 901k rows on dev36), in their own hp_listing_attrs group: a new table with each column indexed at creation; hp_listing_core and its pinned hash are unchanged - keys another group manages, keys without the hp_ prefix and unknown types are ignored - Verify: HivePressEntityGroupsTest (opt-in, filtering, pinned hashes), unit 147, integration 53, phpcs; dev36 hp_warranty backfill and queries - PR: PR-109