Context config

Context configuration for attachment schemas.

`ContextConfig`

Bases: BaseModel

Defines selected attachment fields rendered for LM invokers.

Attributes:

Name	Type	Description
`placement`	`ContextPlacement`	Where to insert rendered context relative to the attachment. Defaults to `ContextPlacement.AFTER`.
`fields`	`list[ContextField] \| None`	Context fields to include. Supports attachment descriptor fields (`filename`, `mime_type`, `url`) and `metadata`. Defaults to None, which renders no context.
`metadata_keys`	`list[str] \| None`	Metadata keys to include when `metadata` is selected in `fields`. Defaults to None, which includes all metadata when `metadata` is included in `fields`.
`template`	`str`	The template to use for rendering the context. Supported template placeholders: - {context_json}: JSON string of attachment descriptor fields and metadata - {filename}: filename of the attachment - {mime_type}: mime type of the attachment - {url}: url of the attachment - {metadata_json}: JSON string of attachment metadata Defaults to `DEFAULT_CONTEXT_TEMPLATE`.

Bases: StrEnum

Defines where attachment context is inserted relative to the attachment.