feat(stream): yield sources in stream

application/api/answer/routes.py

@@ -221,7 +221,13 @@ def complete_stream(
                 "timestamp": datetime.datetime.now(datetime.timezone.utc),
             }
         )
-
+        sources = retriever.search()
+        for source in sources:
+            if("text" in source):
+                source["text"] = source["text"][:100].strip()+"..."
+        if(len(sources) > 0):
+            data = json.dumps({"type":"source","source":sources})
+            yield f"data: {data}\n\n"
         data = json.dumps({"type": "end"})
         yield f"data: {data}\n\n"
     except Exception as e: