Brand Discovery-LLM Updates

.env.example

@@ -294,6 +294,18 @@ BRAND_SYNC_INTERVAL_SECONDS=300
 # Food Facts runs first and is never subject to it.
 #BRAND_DISCOVERY_DEADLINE_SECONDS=300
 
+# Brand Discovery's optional "Web & retail listings" source, for brands Open
+# Food Facts does not carry. Reads search-engine results that point at retailer
+# product pages (Blinkit, Zepto, Instamart, BigBasket, JioMart, Amazon,
+# Flipkart...) - never the pages themselves, never a language model. Uses the
+# Google Custom Search API when USE_GOOGLE_CSE=true, else DuckDuckGo.
+#WEB_DISCOVERY_ENABLED=true
+#WEB_DISCOVERY_MAX_QUERIES=80
+#WEB_DISCOVERY_PAUSE_SECONDS=2.0
+#WEB_DISCOVERY_RESULTS_PER_QUERY=20
+#WEB_DISCOVERY_CACHE_DAYS=7
+#WEB_DISCOVERY_DIR=/app/data/cache/web_discovery
+
 
 USE_S3=true
 S3_ACCESS_KEY=your-do-spaces-key