Package Manifest — pkg_mokosuiterealty.xml with dlid and updateservers
Plugin Manifest — mokosuiterealty.xml with config fieldsets (listing defaults, search settings)
Extension Class — Realty.php SubscriberInterface plugin with autoloadLanguage
Services Provider — DI container registration for system plugin
SQL Install — 9 tables: listings, listing_photos, showings, offers, commissions, open_houses, open_house_visitors, price_history, saved_searches
SQL Uninstall — reverse-dependency drop order
Language Files — en-GB .ini and .sys.ini
ListingHelper — filtered search, dashboard stats, price history with transaction
CommissionHelper — split calculations, agent YTD summary, pending payouts
ShowingHelper — scheduling, agent calendar, buyer feedback recording
OfferHelper — submit, accept (atomic with FOR UPDATE), competing offer rejection
OpenHouseHelper — event scheduling, visitor sign-in, lead capture
PropertySearchHelper — Haversine geo proximity with bounding box, saved searches
Wiki — Home, guides/Installation, guides/Configuration, reference/Helpers
README — layer architecture and feature overview
CLAUDE.md — repo-specific with layer 2 dependencies, helpers, tables, coding standards

OfferHelper — dual-accept race condition (FOR UPDATE + status guards)
PropertySearchHelper — HAVING without GROUP BY replaced with subquery wrapper
PropertySearchHelper — count query was built but never executed