OptionalenvEnvironment name (required when scope is env).
The computed dotenv filename token (e.g., .env, .env.dev, .env.local, .env.dev.local).
Discriminator.
The operation applied at this layer.
The corresponding paths[] entry as provided by the caller/CLI.
This is not an absolute path by policy.
Public vs private file.
Global vs env-scoped file.
Provenance entry representing a value sourced from a dotenv file in the cascade.