pass user

xzrderek · xzrderek · commit ae682dfdcc04 · 2026-01-26T19:00:03.000-08:00
diff --git a/eval_protocol/proxy/proxy_core/litellm.py b/eval_protocol/proxy/proxy_core/litellm.py
@@ -83,8 +83,12 @@ async def handle_chat_completion(
             ]
         )
 
-    # Build Langfuse metadata (tags)
+    # Build Langfuse metadata (tags + user if present)
+    # Convert user_id (from preprocess hook) to trace_user_id for Langfuse
+    user_id = metadata.pop("user_id", None) or data.get("user")
     litellm_metadata = {"tags": tags, **metadata}
+    if user_id:
+        litellm_metadata["trace_user_id"] = user_id
 
     langfuse_keys = config.langfuse_keys[project_id]
 

Original file line number	Diff line number	Diff line change
`@@ -83,8 +83,12 @@ async def handle_chat_completion(`
`83`	`83`	`]`
`84`	`84`	`)`
`85`	`85`
`86`		`- # Build Langfuse metadata (tags)`
	`86`	`+ # Build Langfuse metadata (tags + user if present)`
	`87`	`+ # Convert user_id (from preprocess hook) to trace_user_id for Langfuse`
	`88`	`+ user_id = metadata.pop("user_id", None) or data.get("user")`
`87`	`89`	`litellm_metadata = {"tags": tags, **metadata}`
	`90`	`+ if user_id:`
	`91`	`+ litellm_metadata["trace_user_id"] = user_id`
`88`	`92`
`89`	`93`	`langfuse_keys = config.langfuse_keys[project_id]`
`90`	`94`