- Add PostgreSQL-specific data types (@db.VarChar, @db.Text, @db.Timestamptz, @db.JsonB, @db.Inet)
- Implement comprehensive database constraints via custom migration
- Add detailed field-level documentation and enum descriptions
- Optimize indexes for common query patterns and company-scoped data
- Ensure data integrity with check constraints for positive values and logical time validation
- Add partial indexes for performance optimization on failed/pending processing sessions
