feat(F-192): completed feature

work/artifacts/F-192/implementer.md

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+# F-192 — Implementer Evidence
+
+## Feature
+Simplify storefront net price VAT label.
+
+## Change
+
+### `project/frontend/src/app/products/[slug]/page.tsx` (line 152)
+
+Changed the net price label from:
+```
+{formatPrice(netCents)} sin IVA · IVA {vatPercent}%
+```
+To:
+```
+{formatPrice(netCents)} sin IVA ({vatPercent}%)
+```
+
+Removes the separator " · " and the duplicate "IVA" word as specified.
+
+Only one occurrence found in the entire codebase (frontend + storefront).
+
+## Verification
+
+| Check | Result |
+|-------|--------|
+| `npx tsc --noEmit` (frontend) | 0 errors |
+| `npm test` (backend) | 269 passed, 96 skipped |
+| `./scripts/verify.sh` | OK |