feat: add api brain steps log (backend) (#1705)

Issue https://github.com/StanGirard/quivr/issues/1697

backend/llm/api_brain_qa.py

@@ -52,6 +52,8 @@ class APIBrainQA(
         functions,
         brain_id: UUID,
     ):
+        yield "🧠<Deciding what to do>🧠"
+
         response = completion(
             model=self.model,
             temperature=self.temperature,
@@ -87,12 +89,19 @@ class APIBrainQA(
                     arguments = json.loads(function_call["arguments"])
                 except Exception:
                     arguments = {}
+                yield f"🧠<Calling API with arguments {arguments} and brain id {brain_id}>🧠"
 
+                try:
                     api_call_response = call_brain_api(
                         brain_id=brain_id,
                         user_id=self.user_id,
                         arguments=arguments,
                     )
+                except Exception as e:
+                    raise HTTPException(
+                        status_code=400,
+                        detail=f"Error while calling API: {e}",
+                    )
 
                 messages.append(
                     {
@@ -182,7 +191,11 @@ class APIBrainQA(
             streamed_chat_history.assistant = value
             response_tokens.append(value)
             yield f"data: {json.dumps(streamed_chat_history.dict())}"
-
+        response_tokens = [
+            token
+            for token in response_tokens
+            if not token.startswith("🧠<") and not token.endswith(">🧠")
+        ]
         update_message_by_id(
             message_id=str(streamed_chat_history.message_id),
             user_message=question.question,

frontend/app/chat/[chatId]/components/ActionsBar/components/KnowledgeToFeed/KnowledgeToFeed.tsx

@@ -72,7 +72,7 @@ export const KnowledgeToFeed = ({
         <KnowledgeToFeedInput feedBrain={() => void feedBrain()} />
       )}
       {Boolean(currentBrainId) && (
-        <Link href={`brains-management/${currentBrainId ?? ""}`}>
+        <Link href={`/brains-management/${currentBrainId ?? ""}`}>
           <Button variant={"tertiary"}>
             {t("manage_brain", { ns: "brain" })}
           </Button>