- Send branded welcome email to tenant admin after provisioning completes
(includes username and dashboard URL)
- Store admin_email on tenant entity (V004 migration)
- Show admin email in vendor tenant list table and detail page
- Fix ClickHouse cleanup: skip materialized views (can't ALTER DELETE on MVs)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>