The ordered list of posts that make up the thread (not paginated). This
array is the source of truth for what gets published: every post in the
thread, including the root post, must be provided here. Posts are
published in order, each replying to the previous one. The first item is
the root post and should match the top-level text on the post input.
INPUT
BlueskyPostMetadataInput
Bluesky post metadata
Fields 2
Link attachment. Mutually exclusive with assets.videos — if both are provided, the video is ignored.