Initialize all required tables for Fujitsu Store Central
This will create all necessary D1 database tables for the Store Central platform. The process is idempotent — it only applies migrations that haven't been run yet.
migrations — Schema version trackingsites — Store sites (code, name, provision_code, site_key)site_events — Events synced from Beelinkssite_config — Per-site key-value configactivity_logs — Audit trailsite_connectors — JES, Zippin, Receipt connectorsclients — Multi-tenant organizationsclient_users — User-to-client mapping + roles