The whole hunk
from line 548, old and new numbered
/
lines
from line 548
548548
549549 Artifact version ID e.g. 'claude_artifact_version_abc123'
550550
551 - `content: array of object or object or object`
551 - `content: array of Text or ToolUse or ToolResult`
552552
553553 Content blocks within the message
554554