Apply the repo-local gdformat output to the touched GDScript files so the pre-push formatting hook passes. This is a formatting-only follow-up to the lint-hook cleanup.
Refactor the bump escape helper and shared test script loading so the branch passes the repo's pre-push GDScript lint checks. This keeps the runtime behavior intact while unblocking push and PR creation.
Harden idle settling so flat ground, obstacle contacts, and rare bump-edge cases stop drifting instead of looping corrective nudges. Also resolves the saved review follow-up items and syncs the runtime docs to the final feet-height and idle-anchor behavior.