WithMergeFilteredEnvIntoExtraMetadata enables merging filtered process environment.
func WithMergeFilteredEnvIntoExtraMetadata(v bool) OptionWithMergeFilteredEnvIntoExtraMetadata enables merging filtered process environment variables (LANGCHAIN_* / LANGSMITH_* with secrets and endpoints excluded) into extra.metadata on [TracingClient.CreateRun]. Default is false so metadata only contains what the application sets in Extra; opt in when you want parity with LangGraph-style deployments that surface env context on traces.
| Name | Type | Description |
|---|---|---|
v* | bool |