fix: api answer tool call event

application/api/answer/routes/base.py

@@ -110,6 +110,8 @@ class BaseAnswerResource:
                         yield f"data: {data}\n\n"
                 elif "tool_calls" in line:
                     tool_calls = line["tool_calls"]
+                    data = json.dumps({"type": "tool_calls", "tool_calls": tool_calls})
+                    yield f"data: {data}\n\n"
                 elif "thought" in line:
                     thought += line["thought"]
                     data = json.dumps({"type": "thought", "thought": line["thought"]})