diff --git a/src/ai_client.py b/src/ai_client.py
index 1f2a2850..d13e3546 100644
--- a/src/ai_client.py
+++ b/src/ai_client.py
@@ -1903,14 +1903,14 @@ def _ensure_deepseek_client() -> None:
   _load_credentials()
   pass
 
-def _send_deepseek(md_content: str, user_message: str, base_dir: str,
+def _send_deepseek_result(md_content: str, user_message: str, base_dir: str,
  file_items: list[dict[str, Any]] | None = None,
  discussion_history: str = "",
  stream: bool = False,
  pre_tool_callback: Optional[Callable[[str, str, Optional[Callable[[str], str]]], Optional[str]]] = None,
  qa_callback: Optional[Callable[[str], str]] = None,
  stream_callback: Optional[Callable[[str], None]] = None,
- patch_callback: Optional[Callable[[str, str], Optional[str]]] = None) -> str:
+ patch_callback: Optional[Callable[[str, str], Optional[str]]] = None) -> Result[str]:
  """
  [C: src/ai_server.py:_handle_send]
  """
@@ -2007,7 +2007,7 @@ def _send_deepseek(md_content: str, user_message: str, base_dir: str,
     response.raise_for_status()
    except requests.exceptions.RequestException as e:
     if monitor.enabled: monitor.end_component("ai_client._send_deepseek")
-    raise _classify_deepseek_error(e) from e
+    return Result(data="", errors=[_classify_deepseek_error(e, source="ai_client.deepseek")])
 
    assistant_text = ""
    tool_calls_raw = []
@@ -2155,10 +2155,10 @@ def _send_deepseek(md_content: str, user_message: str, base_dir: str,
    
   res = "\n\n".join(all_text_parts) if all_text_parts else "(No text returned)"
   if monitor.enabled: monitor.end_component("ai_client._send_deepseek")
-  return res
+  return Result(data=res)
  except Exception as e:
   if monitor.enabled: monitor.end_component("ai_client._send_deepseek")
-  raise _classify_deepseek_error(e) from e
+  return Result(data="", errors=[_classify_deepseek_error(e, source="ai_client.deepseek")])
 
 #endregion: DeepSeek Provider