Add assistant messages into context history.

src/ketr-chat/src/App.tsx

@@ -204,14 +204,38 @@ const App = () => {
     }
   }, [conversation]);
 
+  // Set the snack pop-up and open it
+  const setSnack = useCallback((message: string, severity: SeverityType = "success") => {
+    setSnackMessage(message);
+    setSnackSeverity(severity);
+    setSnackOpen(true);
+  }, []);
+
   // Set the initial chat history to "loading" or the welcome message if loaded.
   useEffect(() => {
     if (sessionId === undefined) {
       setConversation([loadingMessage]);
     } else {
-      setConversation([welcomeMessage]);
+      fetch(getConnectionBase(loc) + `/api/history/${sessionId}`, {
+        method: 'GET',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+      })
+        .then(response => response.json())
+        .then(data => {
+          console.log(`Session id: ${sessionId} -- history returned from server with ${data.length} entries`)
+          setConversation([
+            welcomeMessage,
+            ...data
+          ]);
+        })
+        .catch(error => {
+          console.error('Error generating session ID:', error);
+          setSnack("Unable to obtain chat history.", "error");
+        });
     }
-  }, [sessionId, setConversation]);
+  }, [sessionId, setConversation, loc, setSnack]);
 
   // Extract the sessionId from the URL if present, otherwise
   // request a sessionId from the server.
@@ -265,13 +289,6 @@ const App = () => {
     fetchSystemPrompt();
   }, [sessionId, serverSystemPrompt, setServerSystemPrompt, loc]);
 
-  // Set the snack pop-up and open it
-  const setSnack = useCallback((message: string, severity: SeverityType = "success") => {
-    setSnackMessage(message);
-    setSnackSeverity(severity);
-    setSnackOpen(true);
-  }, []);
-
   // If the tools have not been set, fetch them from the server
   useEffect(() => {
     if (tools.length || sessionId === undefined) {
@@ -479,7 +496,7 @@ const App = () => {
   type MessageList = Message[];
 
   const onNew = async () => {
-    reset(["rags", "tools", "history", "system-prompt"], "New chat started.");
+    reset(["history"], "New chat started.");
   }
 
   const sendQuery = async () => {

src/server.py

@@ -630,7 +630,7 @@ class WebServer:
                 final_message = {"role": "assistant", "content": reply, 'metadata': {"title": f"🛠️ Tool(s) used: {','.join(tools_used)}"}}
             else:
                 final_message = {"role": "assistant", "content": reply}
-
+            history.append(final_message)
             yield {"status": "done", "message": final_message}
 
         except Exception as e: