Add ORB trigger modes, collision-driven orb behavior, and UI tweaks for NOTES/GATES#16

jeromepotter wants to merge 3 commits intomainjeromepotter/les-cercles:mainfrom

codex/update-notes-and-gates-submenusjeromepotter/les-cercles:codex/update-notes-and-gates-submenusCopy head branch name to clipboard