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mercadodevida/work/artifacts/F-176/implementer.md
2026-08-22 18:49:33 +02:00

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# F-176 — Implementer
## Cause
POS lookup SQL was written for an obsolete schema and referenced nonexistent columns: `v.name`, `v.active`, `p.active`, `inventory_stock.quantity`, `pricing_variant_prices.price_cents`, plus category links by variant. PostgreSQL returned 500; the UI swallowed it and rendered “Sin resultados”.
## Changes
- Search uses product name/state and current variant SKU/EAN.
- Inventory uses summed `available`, scoped to the active store.
- Price uses offer or current net amount.
- Category lookup uses `catalog_product_categories.product_id`.
- Manual partial EAN search uses parameterized `ILIKE`; exact EAN/SKU endpoints were repaired too.
- UI now exposes API search errors rather than reporting false empty results.
## Evidence
- Project TypeScript PASS.
- POS Next build PASS.
- `git diff --check` PASS.
- Authenticated runtime search `q=590123412345`: HTTP 200, 12 existing products.
- Exact EAN `59012341234501`: HTTP 200, Almendras Crudas Ecologicas, stock 25, price 895.