- U3: Square production (upsert) now buffers to parquet via flatten-order-to-parquet!
- U3: EzCater core import-order now buffers to parquet instead of Datomic transact
- U3: EzCater XLS upload-xls now buffers to parquet instead of audit-transact
- U4: Rewrite sales_orders.clj to read from DuckDB via pq/get-sales-orders
- U5: Rewrite sales_summaries to use parquet aggregation functions
- get-payment-items-parquet, get-discounts-parquet, get-refund-items-parquet
- get-tax-parquet, get-tip-parquet, get-sales-parquet
- Add sum-* aggregation functions to storage/sales_summaries.clj
- sum-discounts, sum-refunds-by-type, sum-taxes, sum-tips, sum-sales-by-category
- Add DuckDB/S3 parquet storage layer (auto-ap.storage.parquet)
- Add sales_to_parquet migration script for historical data
- Add cleanup_sales for post-migration Datomic cleanup
- Add sales_orders_new.clj with DuckDB read layer for SSR views
- Add test scaffolding for parquet storage
- Add plan document for move-detailed-sales-to-parquet
