fix(langchain): Set agent name as gen_ai.agent.name for chat and tool spans
#9739
| Job | Run time |
|---|---|
| 2m 41s | |
| 2m 44s | |
| 2m 44s | |
| 2m 38s | |
| 2m 45s | |
| 2m 44s | |
| 2m 35s | |
| 2m 44s | |
| 4s | |
| 21m 39s |