feat(F-110): completed feature

work/artifacts/F-110/reviewer.json

@@ -0,0 +1,12 @@
+{
+  "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"
+}