Function encodeMediaImetaTag

encodeMediaImetaTag(attachment: MediaAttachment): string[]
Serializes a MediaAttachment into an encrypted-media-v1 imeta tag array (features/encrypted-media.md — Message Shape).

Field order follows the spec: v, locator…, ciphertext_sha256, plaintext_sha256, nonce, m, filename, optional dim, optional thumbhash. The attachment MUST carry at least one locator.
Parameters
- attachment: MediaAttachment
  A populated attachment (locators filled in after upload)
Returns string[]
A Nostr tag array beginning with "imeta"
- Defined in ../home/runner/work/marmot-ts/marmot-ts/src/core/media/imeta.ts:37