Extracts all valid MIP-04 v2 attachments from a tag list.
Non-imeta tags and imeta tags that fail MIP-04 validation (wrong or absent v field, missing n/filename) are silently skipped.
imeta
v
n
filename
The tags array from a Nostr event or rumor
tags
Array of valid MediaAttachment objects (may be empty)
Extracts all valid MIP-04 v2 attachments from a tag list.
Non-
imetatags andimetatags that fail MIP-04 validation (wrong or absentvfield, missingn/filename) are silently skipped.