cace1c75c6
When adjusting difficulty via Make Harder/Easier buttons, filter out scaffolds that don't apply to the current operator: - Addition-only: hide borrowNotation, borrowingHints from descriptions - Subtraction-only: hide carryBoxes, tenFrames from descriptions - Mixed: show all scaffolds Updated functions: - describeScaffoldingChange(): added operator parameter with filtering logic - makeHarder(): passes operator to describeScaffoldingChange - makeEasier(): passes operator to describeScaffoldingChange - SmartModeControls: passes formState.operator to both functions 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>