First readmethods and parameters, then follow thebatch recipeand execute using the real returned IDs.
The input is a confirmed closed vector shape; first determine the outward offset distance and join style. Images, text, and complex self-intersecting outlines cannot be directly handled with this single-rectangle example.
Generate an 8pt outward white outline for a 100×60pt original artwork, preserving the original geometry and color, with the outline positioned behind the original artwork and in front of the background color, and editable separately after saving and reopening.
The methods, parameters, and batches are all within this skill. Do not treat $ref or capture in the manual as native command parameters directly; do not run file.new on an existing artwork. Keep the same MCP editor within the host; for CLI file tasks, explicitly save and reopen.
Deliver a native editable project and the agreed export, and check the SVG and PNG, not just whether the command succeeded. The composite example does not represent real design quality or that target host synchronization has been accepted.