backend env updates and brand json files

tests/test_brand_registry.py

@@ -49,6 +49,11 @@ EXPECTED_SEED_TABLES = {
     "godrej": "brand_godrej",
     "grb": "brand_grb",
     "hindustan unilever": "brand_hindustan_unilever",
+    # Ingested straight into the database with no BRAND_ALIASES entry, so it
+    # exercises the unaliased path: resolve_parent_brand returns it unchanged
+    # and it gets its own table. Pinned here to catch the day some new alias
+    # whole-word-matches "idhayam" and silently re-parents 24 products.
+    "idhayam": "brand_idhayam",
     "lion dates": "brand_lion_dates",
     "Manna": "brand_manna",
     "milky mist": "brand_milky_mist",