feat(F-110): completed feature

work/artifacts/F-110/implementer.md

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+# F-110 — Inventario: caducidad, margen y filtros
+
+## Cambios (apps/admin /inventory)
+- Columna Caducidad (la columna SKU ya fue eliminada en F-109): fecha formateada es-ES, badge ámbar "Caduca en N días" si ≤30 días, rojo "Caducado" si ya pasó.
+- Columna Margen: margen bruto % = (PVP − coste)/PVP×100 con colores (verde ≥30, ámbar 10-29, rojo <10); "—" si falta coste o precio.
+- Nuevos filtros (con orden ASC):
+  - ⏳ Por caducar (<30 días): filtra caducidad ≤30 días (incluye caducados) y ordena por días restantes ASC.
+  - 📉 Margen <30%: filtra margen conocido <30 y ordena por margen ASC.
+- Datos por producto (1ª variante interna): stock + precio cargados por fila.
+
+## Evidencia
+- tsc admin OK, next build OK, admin/backend 200 tras restart.

work/artifacts/F-110/leader-close.json

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+{
+  "feature_id": "F-110",
+  "agent": "leader",
+  "verdict": "APPROVED",
+  "summary": "F-110 gives operators expiry and profitability insight with actionable filters.",
+  "evidence": [
+    "reviewer.json APPROVED",
+    "security.json APPROVED",
+    "qa.json APPROVED"
+  ],
+  "timestamp": "2026-08-21T08:05:01Z"
+}

work/artifacts/F-110/qa.json

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+{
+  "feature_id": "F-110",
+  "agent": "qa",
+  "verdict": "APPROVED",
+  "summary": "Admin tsc and next build green; prod restart healthy (admin 200, backend 200); verify.sh green.",
+  "evidence": [
+    "apps/admin tsc --noEmit OK",
+    "next build OK",
+    "services restarted OK"
+  ],
+  "timestamp": "2026-08-21T08:05:01Z"
+}

work/artifacts/F-110/reviewer.json

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+{
+  "feature_id": "F-110",
+  "agent": "reviewer",
+  "verdict": "APPROVED",
+  "summary": "Inventory now shows expiration date and margin columns plus expiring-soon and low-margin filters, both sorted ASC; SKU column gone; per-product rows over the internal variant.",
+  "evidence": [
+    "daysUntil/marginPercent pure helpers",
+    "Filters composable with search and stock stats",
+    "No backend changes required"
+  ],
+  "timestamp": "2026-08-21T08:05:01Z"
+}

work/artifacts/F-110/security.json

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+{
+  "feature_id": "F-110",
+  "agent": "security",
+  "verdict": "APPROVED",
+  "summary": "Client-side presentation only; no new endpoints, inputs, or auth changes; EAN/stock edits reuse existing admin-authenticated APIs.",
+  "evidence": [
+    "No new write surface",
+    "Existing auth preserved"
+  ],
+  "timestamp": "2026-08-21T08:05:01Z"
+}