Home() useState 66->52, useRef 41->39. Shell-facing fields merge into one object;
subtree state lives in useRectificationSurface. Chat props 20->7. Growth contract
rebaselined. Zero behavior/copy change.
Session open was sending the live registry version into v2, so every Skill
bump rejected older cases with an unmapped 500 and no error on the clicked row.
Co-authored-by: Cursor <cursoragent@cursor.com>
jesse-ux