feat: Consistently include original in "Unexpected response" errors

lib/chat_models/chat_anthropic.ex

@@ -613,9 +613,8 @@ defmodule LangChain.ChatModels.ChatAnthropic do
         error
 
       other ->
-        message = "Unexpected and unhandled API response! #{inspect(other)}"
-        Logger.error(message)
-        {:error, LangChainError.exception(type: "unexpected_response", message: message)}
+        Logger.error("Unexpected and unhandled API response! #{inspect(other)}")
+        other
     end
   end
 
@@ -689,9 +688,16 @@ defmodule LangChain.ChatModels.ChatAnthropic do
         error
 
       other ->
-        message = "Unhandled and unexpected response from streamed post call. #{inspect(other)}"
-        Logger.error(message)
-        {:error, LangChainError.exception(type: "unexpected_response", message: message)}
+        Logger.error(
+          "Unhandled and unexpected response from streamed post call. #{inspect(other)}"
+        )
+
+        {:error,
+         LangChainError.exception(
+           type: "unexpected_response",
+           message: "Unexpected response",
+           original: other
+         )}
     end
   end
 

lib/chat_models/chat_google_ai.ex

@@ -631,7 +631,11 @@ defmodule LangChain.ChatModels.ChatGoogleAI do
         )
 
         {:error,
-         LangChainError.exception(type: "unexpected_response", message: "Unexpected response")}
+         LangChainError.exception(
+           type: "unexpected_response",
+           message: "Unexpected response",
+           original: other
+         )}
     end
   end
 

lib/chat_models/chat_grok.ex

@@ -647,7 +647,8 @@ defmodule LangChain.ChatModels.ChatGrok do
         {:error,
          LangChainError.exception(
            type: :unexpected_response,
-           message: "Unexpected response: #{inspect(other)}"
+           message: "Unexpected response: #{inspect(other)}",
+           original: other
          )}
     end
   end

lib/chat_models/chat_mistral_ai.ex

@@ -484,7 +484,13 @@ defmodule LangChain.ChatModels.ChatMistralAI do
 
       other ->
         Logger.error("Unhandled and unexpected response from streamed call. #{inspect(other)}")
-        {:error, LangChainError.exception(type: "unexpected_response", message: "Unexpected")}
+
+        {:error,
+         LangChainError.exception(
+           type: "unexpected_response",
+           message: "Unexpected",
+           original: other
+         )}
     end
   end
 

lib/chat_models/chat_ollama_ai.ex

@@ -553,7 +553,11 @@ defmodule LangChain.ChatModels.ChatOllamaAI do
         )
 
         {:error,
-         LangChainError.exception(type: "unexpected_response", message: "Unexpected response")}
+         LangChainError.exception(
+           type: "unexpected_response",
+           message: "Unexpected response",
+           original: other
+         )}
     end
   end
 

lib/chat_models/chat_open_ai.ex

@@ -908,7 +908,11 @@ defmodule LangChain.ChatModels.ChatOpenAI do
         )
 
         {:error,
-         LangChainError.exception(type: "unexpected_response", message: "Unexpected response")}
+         LangChainError.exception(
+           type: "unexpected_response",
+           message: "Unexpected response",
+           original: other
+         )}
     end
   end
 
@@ -1185,7 +1189,13 @@ defmodule LangChain.ChatModels.ChatOpenAI do
 
   def do_process_response(_model, other) do
     Logger.error("Trying to process an unexpected response. #{inspect(other)}")
-    {:error, LangChainError.exception(message: "Unexpected response", original: other)}
+
+    {:error,
+     LangChainError.exception(
+       type: "unexpected_response",
+       message: "Unexpected response",
+       original: other
+     )}
   end
 
   defp finish_reason_to_status(nil), do: :incomplete

lib/chat_models/chat_open_ai_responses.ex

@@ -801,7 +801,11 @@ defmodule LangChain.ChatModels.ChatOpenAIResponses do
         )
 
         {:error,
-         LangChainError.exception(type: "unexpected_response", message: "Unexpected response")}
+         LangChainError.exception(
+           type: "unexpected_response",
+           message: "Unexpected response",
+           original: other
+         )}
     end
   end
 
@@ -1137,7 +1141,13 @@ defmodule LangChain.ChatModels.ChatOpenAIResponses do
 
   def do_process_response(_model, other) do
     Logger.error("Trying to process an unexpected response. #{inspect(other)}")
-    {:error, LangChainError.exception(message: "Unexpected response")}
+
+    {:error,
+     LangChainError.exception(
+       type: "unexpected_response",
+       message: "Unexpected response",
+       original: other
+     )}
   end
 
   defp get_token_usage(%{"usage" => usage} = _response_body) when is_map(usage) do

lib/chat_models/chat_orq.ex

@@ -728,7 +728,11 @@ defmodule LangChain.ChatModels.ChatOrq do
         )
 
         {:error,
-         LangChainError.exception(type: "unexpected_response", message: "Unexpected response")}
+         LangChainError.exception(
+           type: "unexpected_response",
+           message: "Unexpected response",
+           original: other
+         )}
     end
   end
 

lib/chat_models/chat_perplexity.ex

@@ -735,7 +735,13 @@ defmodule LangChain.ChatModels.ChatPerplexity do
 
   def do_process_response(_model, other) do
     Logger.error("Trying to process an unexpected response. #{inspect(other)}")
-    {:error, LangChainError.exception(message: "Unexpected response")}
+
+    {:error,
+     LangChainError.exception(
+       type: "unexpected_response",
+       message: "Unexpected response",
+       original: other
+     )}
   end
 
   defp finish_reason_to_status(nil), do: :incomplete

lib/chat_models/chat_vertex_ai.ex

@@ -472,7 +472,11 @@ defmodule LangChain.ChatModels.ChatVertexAI do
         )
 
         {:error,
-         LangChainError.exception(type: "unexpected_response", message: "Unexpected response")}
+         LangChainError.exception(
+           type: "unexpected_response",
+           message: "Unexpected response",
+           original: other
+         )}
     end
   end
 

test/chat_models/chat_open_ai_test.exs

@@ -1644,7 +1644,7 @@ defmodule LangChain.ChatModels.ChatOpenAITest do
       {:error, %LangChainError{} = error} =
         ChatOpenAI.do_process_response(model, "unexpected")
 
-      assert error.type == nil
+      assert error.type == "unexpected_response"
       assert error.message == "Unexpected response"
     end
 

test/chat_models/chat_perplexity_test.exs

@@ -469,7 +469,7 @@ defmodule LangChain.ChatModels.ChatPerplexityTest do
       {:error, %LangChainError{} = error} =
         ChatPerplexity.do_process_response(model, "unexpected")
 
-      assert error.type == nil
+      assert error.type == "unexpected_response"
       assert error.message == "Unexpected response"
     end
   end