Create sentiment_engine.py

sentiment_engine.py

@@ -0,0 +1,13 @@
+def sentiment_features(news_payload):
+    articles = []
+    for block in news_payload:
+        articles.extend(block.get("articles", []))
+
+    count = len(articles)
+    unique_titles = len(set(a.get("title","") for a in articles))
+
+    return {
+        "article_count": count,
+        "diversity_ratio": unique_titles / max(count, 1),
+        "sentiment_pressure": min(1.0, count / 50.0)
+    }