feat(ui): add forward_client_headers_to_llm_api toggle to general settings

litellm/proxy/_types.py

@@ -2149,6 +2149,10 @@ class ConfigGeneralSettings(LiteLLMPydanticObjectBase):
         None,
         description="If True, models and config are stored in and loaded from the database. Default is False.",
     )
+    forward_client_headers_to_llm_api: Optional[bool] = Field(
+        None,
+        description="If True, forwards client headers (e.g. Authorization) to the LLM API. Required for Claude Code with Max subscription.",
+    )
 
 
 class ConfigYAML(LiteLLMPydanticObjectBase):

litellm/proxy/proxy_server.py

@@ -11387,6 +11387,7 @@ async def get_config_list(
         "mcp_internal_ip_ranges": {"type": "List"},
         "mcp_trusted_proxy_ranges": {"type": "List"},
         "always_include_stream_usage": {"type": "Boolean"},
+        "forward_client_headers_to_llm_api": {"type": "Boolean"},
     }
 
     return_val = []