The target-cell port glyph is already suppressed for the blueprint- placement ghost in code; make the requirement say so explicitly rather than leaving it implied by "only for the builder-mode ghost". Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Y7N59FsLA5e2kuVdqe4Uhc