feat(BD-09): completed feature

work/artifacts/BD-09/security.json

@@ -0,0 +1,33 @@
+{
+  "feature_id": "BD-09",
+  "verdict": "APPROVED",
+  "agent": "security",
+  "timestamp": "2026-08-18T04:26:00Z",
+  "checks": {
+    "sql_injection": {
+      "pass": true,
+      "notes": "All queries use parameterized $1/$2/$3 placeholders. variantId validated as UUID by Zod."
+    },
+    "authorization": {
+      "pass": true,
+      "notes": "Admin role required via requireRole(user, 'admin'). No IDOR possible - only admin access."
+    },
+    "input_validation": {
+      "pass": true,
+      "notes": "Zod schema: variantId must be valid UUID, quantity must be non-negative integer, items array 1-100 items max."
+    },
+    "transaction_safety": {
+      "pass": true,
+      "notes": "Explicit transaction with BEGIN/COMMIT/ROLLBACK. All changes atomic - either all succeed or none."
+    },
+    "audit_logging": {
+      "pass": true,
+      "notes": "inventory_movements table records each bulk_adjust operation with variant_id and quantity."
+    },
+    "no_secrets": {
+      "pass": true,
+      "notes": "No secrets, API keys or credentials added. Only validation logic and SQL."
+    }
+  },
+  "notes": "Bulk adjust endpoint secured with admin-only access, parameterized queries, and atomic transactions."
+}