HF RL Explorer

Bug: JSON Parsing Fails with Extra Tokens in Tool Responses

Bug: JSON Parsing Fails with Extra Tokens in Tool Responses: a task in LegoFlow-SWE (Harbor dataset). When using locally deployed LLMs (such as Qwen3 235B quantized models), tool responses and agent outputs sometimes contain valid JSON followed by extra tokens or trailing garbage text. This causes…

The task

When using locally deployed LLMs (such as Qwen3 235B quantized models), tool responses and agent outputs sometimes contain valid JSON followed by extra tokens or trailing garbage text. This causes a `parsed json with extra tokens` error that prevents research activity results from displaying correctly in the UI.

Part of Lego-X/LegoFlow-SWE.