feat(F-075): completed feature

work/artifacts/F-075/reviewer.json

@@ -0,0 +1,17 @@
+{
+  "feature_id": "F-075",
+  "agent": "reviewer",
+  "verdict": "APPROVED",
+  "summary": "F-075 adds click-to-edit for SKU, EAN, and Stock in the inventory page. Adds updateVariant to productsApi. Removes vestigial Accion column.",
+  "evidence": [
+    "SKU cell: button shows input on click, saves on Enter/blur, cancels on Escape, shows saving state",
+    "EAN cell: same pattern as SKU, handles null for empty",
+    "Stock cell: quantity value is now clickable (not just the pencil button)",
+    "Accion column header and empty td removed",
+    "productsApi.updateVariant added for PATCH /api/products/:id/variants/:id",
+    "npx tsc --noEmit admin exit 0",
+    "npx eslint exit 0",
+    "verify.sh exit 0"
+  ],
+  "timestamp": "2026-08-19T17:29:00Z"
+}