feat(F-084): completed feature

work/artifacts/F-084/leader-close.json

@@ -0,0 +1,13 @@
+{
+  "feature_id": "F-084",
+  "agent": "leader",
+  "verdict": "APPROVED",
+  "summary": "All gates approved. F-084 fixes /categories so every row renders the emoji (with a neutral placeholder when missing) regardless of whether the category has children.",
+  "evidence": [
+    "work/artifacts/F-084/reviewer.json verdict=APPROVED",
+    "work/artifacts/F-084/security.json verdict=APPROVED",
+    "work/artifacts/F-084/qa.json verdict=APPROVED",
+    "npx tsc --noEmit exit 0"
+  ],
+  "timestamp": "2026-08-20T04:12:30Z"
+}