langchain

65b09832 - core: docs: clarify where the kwargs in on_tool_start and on_tool_end go (#31909)

core: docs: clarify where the kwargs in on_tool_start and on_tool_end go (#31909) **Description:** I traced the kwargs starting at `.invoke()` and it was not clear where they go. it was clarified to two layers down. so I changed it to make it more documented for the next person. **Issue:** No related issue. **Dependencies:** No dependency changes. **Twitter handle:** Nah. We're good. If no one reviews your PR within a few days, please @-mention one of baskaryan, eyurtsev, ccurme, vbarda, hwchase17. --------- Co-authored-by: Mason Daugherty <mason@langchain.dev>