oss: errors + more (#1174)

- fix links
- more x-refs
- style (capitalizing headers properly, remove unicode whitespace
artifacts)
- link to `langsmith` REST API in ref homepage
- migrate `langchain` error code refs

Author: mdrxy

pipeline/preprocessors/link_map.py

@@ -126,6 +126,7 @@ class LinkMap(TypedDict):
             "trim_messages": "langchain/messages/#langchain.messages.trim_messages",
             "UsageMetadata": "langchain/messages/#langchain.messages.UsageMetadata",
             "InputTokenDetails": "langchain/messages/#langchain.messages.InputTokenDetails",
+            "MessageLikeRepresentation": "langchain/messages/#langchain.messages.MessageLikeRepresentation",
             # Content blocks
             "BaseMessage": "langchain_core/language_models/#langchain_core.messages.BaseMessage",
             "BaseMessage(content)": "langchain_core/language_models/#langchain_core.messages.BaseMessage.content",

reference/python/docs/langchain_core/output_parsers.md

@@ -1,6 +1,14 @@
-::: langchain_core.output_parsers.base.BaseOutputParser
-::: langchain_core.output_parsers.json.JsonOutputParser
-::: langchain_core.output_parsers.openai_tools.JsonOutputKeyToolsParser
-::: langchain_core.output_parsers.openai_tools.JsonOutputToolsParser
-::: langchain_core.output_parsers.openai_tools.PydanticToolsParser
-::: langchain_core.output_parsers.xml.XMLOutputParser
+::: langchain_core.output_parsers
+    options:
+      members:
+        - JsonOutputParser
+        - JsonOutputKeyToolsParser
+        - PydanticToolsParser
+        - XMLOutputParser
+        - CommaSeparatedListOutputParser
+::: langchain_core.output_parsers
+    options:
+      show_inheritance_diagram: true
+      members:
+        - BaseOutputParser
+        - BaseLLMOutputParser

reference/python/docs/langsmith/index.md

@@ -28,4 +28,10 @@ Welcome to the LangSmith reference documentation!
 
     [:octicons-arrow-right-24: Reference](./deployment/remote_graph.md)
 
+- __LangSmith REST API__
+
+    ---
+
+    [:octicons-arrow-right-24: Reference](https://api.smith.langchain.com/redoc)
+
 </div>