Merge pull request #22 from beatz174-bit/codex/provide-csv-template-for-product-seed-data

Add CSV template for product seed data

docs/seed/README.md

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+# Product seed CSV template
+
+Use `products_seed_template.csv` to author product seed data that can be imported into the Dexie database. Populate one row per product and ensure the `category` column contains the product's category name.
+
+## Columns
+- **name**: Product display name.
+- **category**: Category label for the product. Codex will generate the category table from the unique values in this column.
+- **unit_type**: Unit of measure (e.g., `units`, `packs`, `bottles`).
+- **bulk_name**: Label for the bulk unit (e.g., `carton`, `box`).
+- **units_per_bulk**: Number of individual units contained in a bulk item.
+- **barcode**: Optional barcode string. Leave blank if unknown.
+- **archived**: `true` or `false` to indicate whether the product is archived.
+
+## Usage flow for Codex
+1. Read `products_seed_template.csv`.
+2. Seed `products` with the CSV rows (generate UUIDs and timestamps per record).
+3. Build a **unique, alphabetized** list of categories from the `category` column and seed the `categories` table with those values (UUIDs plus timestamps).
+4. If necessary, seed `areas` separately using the existing defaults in `src/db/seed.ts` or an equivalent CSV.

docs/seed/products_seed_template.csv

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+name,category,unit_type,bulk_name,units_per_bulk,barcode,archived
+Sparkling Water 500ml,Drinks,units,carton,24,012345678905,false
+Salted Chips 50g,Snacks,units,carton,48,023456789012,false
+Chocolate Bar,Confectionery,units,box,30,034567890129,false