fix(abacus-react): remove duplicate numeral rendering and fix dark mode colors
Two critical issues fixed:
1. **Duplicate numerals**: Both AbacusSVGRenderer and AbacusReact were rendering
numerals when showNumbers={true}, causing two overlapping number displays.
- Disabled SVG text numerals in AbacusSVGRenderer (line 436: added `false &&`)
- NumberFlow provides better animated numerals, keep only those
2. **White numerals in dark mode**: NumberFlow components were inheriting CSS
color from parent, turning white in dark mode (unreadable on light frames).
- Added explicit color style to NumberFlow: uses themeAwareCustomStyles
- Now consistently dark (rgba(0,0,0,0.8)) regardless of page theme
This was the root cause of the "white numerals everywhere" issue - the
NumberFlow components were inheriting dark mode CSS colors.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Thomas Hallock
parent
a79a97a5b9
commit
fcbf0f5421
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@ -0,0 +1,96 @@
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#!/usr/bin/env tsx
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/**
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* Validation script for typstHelpers refactoring
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*
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* Generates sample worksheets and verifies that the refactored code
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* produces identical Typst output to ensure no regressions.
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*/
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import { generateSubtractionProblemStackFunction } from '../src/app/create/worksheets/addition/typstHelpers'
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import { generateTypstHelpers } from '../src/app/create/worksheets/addition/typstHelpers'
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import { generatePlaceValueColors } from '../src/app/create/worksheets/addition/typstHelpers'
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console.log('🔍 Validating typstHelpers refactoring...\n')
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// Test 1: Check that functions are exported and callable
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console.log('✓ Test 1: Functions are exported')
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console.log(` - generateSubtractionProblemStackFunction: ${typeof generateSubtractionProblemStackFunction}`)
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console.log(` - generateTypstHelpers: ${typeof generateTypstHelpers}`)
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console.log(` - generatePlaceValueColors: ${typeof generatePlaceValueColors}`)
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if (typeof generateSubtractionProblemStackFunction !== 'function') {
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console.error('❌ generateSubtractionProblemStackFunction is not a function!')
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process.exit(1)
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}
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// Test 2: Generate sample Typst code
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console.log('\n✓ Test 2: Generate sample Typst code')
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const cellSize = 0.55
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const maxDigits = 3
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const helpers = generateTypstHelpers(cellSize)
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console.log(` - Helper functions: ${helpers.length} characters`)
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const colors = generatePlaceValueColors()
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console.log(` - Color definitions: ${colors.length} characters`)
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const problemStack = generateSubtractionProblemStackFunction(cellSize, maxDigits)
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console.log(` - Problem stack function: ${problemStack.length} characters`)
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// Test 3: Verify key features are present
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console.log('\n✓ Test 3: Verify key features in generated Typst')
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const checks = [
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{ name: 'Borrow boxes row', pattern: /Borrow boxes row/ },
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{ name: 'Minuend row', pattern: /Minuend row/ },
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{ name: 'Subtrahend row', pattern: /Subtrahend row/ },
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{ name: 'Answer boxes', pattern: /Answer boxes/ },
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{ name: 'Ten-frames', pattern: /Ten-frames row/ },
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{ name: 'Borrowing hints', pattern: /show-borrowing-hints/ },
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{ name: 'Arrow rendering', pattern: /path\(/ },
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{ name: 'Place value colors', pattern: /place-colors/ },
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{ name: 'Scratch work boxes', pattern: /dotted.*paint: gray/ },
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]
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let allPassed = true
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for (const check of checks) {
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const found = check.pattern.test(problemStack)
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if (found) {
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console.log(` ✓ ${check.name}`)
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} else {
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console.log(` ❌ ${check.name} - NOT FOUND`)
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allPassed = false
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}
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}
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// Test 4: Verify structure
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console.log('\n✓ Test 4: Verify Typst structure')
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const structureChecks = [
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{ name: 'Function definition', pattern: /#let subtraction-problem-stack\(/ },
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{ name: 'Grid structure', pattern: /grid\(/ },
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{ name: 'Stack structure', pattern: /stack\(/ },
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{ name: 'Problem number display', pattern: /problem-number-display/ },
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]
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for (const check of structureChecks) {
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const found = check.pattern.test(problemStack)
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if (found) {
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console.log(` ✓ ${check.name}`)
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} else {
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console.log(` ❌ ${check.name} - NOT FOUND`)
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allPassed = false
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}
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}
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// Summary
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console.log('\n' + '='.repeat(60))
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if (allPassed) {
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console.log('✅ All validation checks passed!')
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console.log('\nThe refactored code generates valid Typst output with all')
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console.log('expected features present.')
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process.exit(0)
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} else {
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console.log('❌ Some validation checks failed!')
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console.log('\nPlease review the output above for details.')
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process.exit(1)
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}
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# Subtraction Scaffolding Analysis & Smart Difficulty Integration
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## Current State
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### Subtraction-Specific Scaffolding Options
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We have **two new subtraction-specific scaffolding options**:
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1. **`showBorrowNotation`** (Manual mode only, line 332)
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- Shows dotted scratch boxes to the left of minuend digits that need borrowing
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- Visual space for students to write modified digit values (e.g., "12" when borrowing from tens to ones)
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- Background color comes from the place value being borrowed FROM
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2. **`showBorrowingHints`** (Manual mode only, line 333)
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- Shows visual hints with arrows pointing to where students should write borrowed values
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- Displays "n-1" hints showing what to write in the borrow-from place
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- Includes curved arrows with arrowheads for clear visual guidance
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### Current Integration Status
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**✅ Works in Manual Mode:**
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- Both options available in manual mode schema (config-schemas.ts:332-333)
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- Both options properly passed to Typst rendering (typstGenerator.ts:114-115, 225-226)
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- Defaults: `showBorrowNotation: true`, `showBorrowingHints: false`
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**❌ NOT Available in Smart Mode:**
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- Smart mode explicitly sets both to `false` (typstGenerator.ts:88-89)
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- Comments say: "Smart mode doesn't have borrow notation (yet)"
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- No conditional rules for these options in `DisplayRules` interface
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## Gaps & Issues
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### 1. **No Smart Mode Integration** ⚠️ CRITICAL
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The subtraction scaffolding is **completely absent from smart difficulty mode**. This means:
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- ❌ Smart mode worksheets never show borrow notation boxes
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- ❌ Smart mode worksheets never show borrowing hints
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- ❌ No way to progressively fade these scaffolds based on problem difficulty
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- ❌ Subtraction problems in smart mode have LESS scaffolding than addition problems
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**Impact:** Smart mode is less useful for subtraction than for addition. Teachers using smart mode for subtraction get NO subtraction-specific scaffolding, making it harder for students to learn borrowing.
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### 2. **Missing Display Rules**
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The `DisplayRules` interface (displayRules.ts:14-21) only includes:
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- `carryBoxes` (addition-focused)
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- `answerBoxes`
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- `placeValueColors`
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- `tenFrames` (works for both, but addition-named)
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- `problemNumbers`
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- `cellBorders`
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**Missing:**
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- `borrowNotation` - Conditional rules for scratch boxes
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- `borrowingHints` - Conditional rules for visual hints
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### 3. **Problem Analysis is Good** ✅
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`SubtractionProblemMeta` (problemAnalysis.ts:84-95) properly tracks:
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- `requiresBorrowing: boolean`
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- `borrowCount: number`
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- `borrowPlaces: PlaceValue[]`
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This gives us the data we need to make smart decisions about when to show scaffolding.
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### 4. **Rule Evaluation Works** ✅
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The `evaluateRule()` function (displayRules.ts:36-57) already handles both addition and subtraction:
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- Line 45-48: Maps `requiresRegrouping` (addition) OR `requiresBorrowing` (subtraction)
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- Line 50-52: Maps `regroupCount` (addition) OR `borrowCount` (subtraction)
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So the **infrastructure is ready** - we just need to add the rules.
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## Recommendations
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### Phase 1: Add Display Rules for Subtraction Scaffolding
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**1. Extend `DisplayRules` interface:**
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```typescript
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// displayRules.ts
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export interface DisplayRules {
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carryBoxes: RuleMode
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answerBoxes: RuleMode
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placeValueColors: RuleMode
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tenFrames: RuleMode
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problemNumbers: RuleMode
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cellBorders: RuleMode
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borrowNotation: RuleMode // NEW: Scratch boxes for borrowing work
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borrowingHints: RuleMode // NEW: Visual hints (arrows, "n-1")
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}
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```
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**2. Update `ResolvedDisplayOptions`:**
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```typescript
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// displayRules.ts
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export interface ResolvedDisplayOptions {
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showCarryBoxes: boolean
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showAnswerBoxes: boolean
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showPlaceValueColors: boolean
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showTenFrames: boolean
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showProblemNumbers: boolean
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showCellBorder: boolean
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showBorrowNotation: boolean // NEW
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showBorrowingHints: boolean // NEW
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}
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```
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**3. Update `resolveDisplayForProblem()`:**
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```typescript
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// displayRules.ts (line 70-77)
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const resolved = {
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showCarryBoxes: evaluateRule(rules.carryBoxes, problem),
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showAnswerBoxes: evaluateRule(rules.answerBoxes, problem),
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showPlaceValueColors: evaluateRule(rules.placeValueColors, problem),
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showTenFrames: evaluateRule(rules.tenFrames, problem),
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showProblemNumbers: evaluateRule(rules.problemNumbers, problem),
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showCellBorder: evaluateRule(rules.cellBorders, problem),
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showBorrowNotation: evaluateRule(rules.borrowNotation, problem), // NEW
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showBorrowingHints: evaluateRule(rules.borrowingHints, problem), // NEW
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}
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```
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### Phase 2: Update Config Schemas
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**1. Add to Smart Mode schema:**
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```typescript
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// config-schemas.ts (additionConfigV4SmartSchema, line 271-314)
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displayRules: z.object({
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carryBoxes: z.enum([...]),
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answerBoxes: z.enum([...]),
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placeValueColors: z.enum([...]),
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tenFrames: z.enum([...]),
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problemNumbers: z.enum([...]),
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cellBorders: z.enum([...]),
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borrowNotation: z.enum([ // NEW
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'always',
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'never',
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'whenRegrouping', // When any borrowing needed
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'whenMultipleRegroups', // When 2+ borrows
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'when3PlusDigits',
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]),
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borrowingHints: z.enum([ // NEW
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'always',
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'never',
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'whenRegrouping',
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'whenMultipleRegroups',
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'when3PlusDigits',
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]),
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}),
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```
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**2. Update default config:**
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```typescript
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// config-schemas.ts (defaultAdditionConfig, line 375-382)
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displayRules: {
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carryBoxes: 'whenRegrouping',
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answerBoxes: 'always',
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placeValueColors: 'always',
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tenFrames: 'whenRegrouping',
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problemNumbers: 'always',
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cellBorders: 'always',
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borrowNotation: 'whenRegrouping', // NEW: Show when borrowing needed
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borrowingHints: 'never', // NEW: Advanced feature, default off
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},
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```
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### Phase 3: Update Scaffolding Progression
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Add subtraction scaffolding to the pedagogical progression:
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```typescript
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// difficultyProfiles.ts (SCAFFOLDING_PROGRESSION)
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export const SCAFFOLDING_PROGRESSION: DisplayRules[] = [
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// Level 0: Maximum scaffolding
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{
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carryBoxes: 'always',
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answerBoxes: 'always',
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placeValueColors: 'always',
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tenFrames: 'always',
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problemNumbers: 'always',
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cellBorders: 'always',
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borrowNotation: 'always', // NEW: Always show scratch boxes
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borrowingHints: 'always', // NEW: Always show hints
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},
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// Level 1: Carry/borrow boxes become conditional
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{
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carryBoxes: 'whenRegrouping',
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borrowNotation: 'whenRegrouping', // NEW: Only when borrowing
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borrowingHints: 'always', // Still show hints
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// ... rest
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},
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// Level 2: Hints become conditional
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{
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carryBoxes: 'whenRegrouping',
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borrowNotation: 'whenRegrouping',
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borrowingHints: 'whenRegrouping', // NEW: Only when borrowing
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// ... rest
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},
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// Level 3-5: Keep both at whenRegrouping
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// ... (intermediate levels)
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// Level 6: Hints become more conditional
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{
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borrowNotation: 'whenRegrouping',
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borrowingHints: 'whenMultipleRegroups', // NEW: Only complex problems
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// ... rest
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},
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// Level 7+: Remove hints, keep notation
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{
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borrowNotation: 'whenRegrouping',
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borrowingHints: 'never', // NEW: No hints
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// ... rest
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},
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// Level 10+: Remove all subtraction scaffolding
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{
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borrowNotation: 'never',
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borrowingHints: 'never',
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// ... rest
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},
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]
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```
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### Phase 4: Update Typst Generator
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**Remove hardcoded false values:**
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```typescript
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// typstGenerator.ts (line 88-89)
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// BEFORE:
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showBorrowNotation: false, // Smart mode doesn't have borrow notation (yet)
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showBorrowingHints: false, // Smart mode doesn't have borrowing hints (yet)
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// AFTER:
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showBorrowNotation: displayOptions.showBorrowNotation, // Use resolved value
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showBorrowingHints: displayOptions.showBorrowingHints, // Use resolved value
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```
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### Phase 5: Update UI Components
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**1. Add controls in ConfigPanel** (if using smart mode):
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- Add "Borrow Notation" dropdown (always/never/whenBorrowing/etc.)
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- Add "Borrowing Hints" dropdown (always/never/whenBorrowing/etc.)
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- Only show when `operator` is 'subtraction' or 'mixed'
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**2. Add preview in DisplayOptionsPreview:**
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- Show subtraction example with borrow notation enabled
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- Show subtraction example with borrowing hints enabled
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## Pedagogical Rationale
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### Why This Progression Makes Sense
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1. **Early Learners (Levels 0-2):**
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- Show ALL scaffolding including hints with arrows
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- Students need maximum support to understand borrowing concept
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- Visual hints show "where to write what"
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2. **Intermediate (Levels 3-6):**
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- Fade hints to only show when borrowing happens
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- Keep scratch boxes for all borrowing problems
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- Students understand concept but need workspace
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3. **Advanced (Levels 7-9):**
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- Remove hints entirely (students know the pattern)
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- Keep scratch boxes for multi-borrow problems
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- Only show aids for complex problems
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4. **Mastery (Level 10+):**
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- No subtraction-specific scaffolding
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- Students work problems independently
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- Standard worksheet format
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### Parallel with Addition
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This mirrors the addition progression:
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- Carry boxes fade from "always" → "whenRegrouping" → "whenMultipleRegroups" → "never"
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- Borrow notation should follow the same path
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- Borrowing hints are MORE specific than carry boxes (like ten-frames), so fade faster
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## Implementation Priority
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**High Priority:**
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1. ✅ Add `borrowNotation` and `borrowingHints` to `DisplayRules` interface
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2. ✅ Update schemas to include these rules in smart mode
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3. ✅ Remove hardcoded `false` values in typstGenerator
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4. ✅ Add to default config with sensible defaults
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**Medium Priority:**
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5. ✅ Update scaffolding progression
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6. ✅ Add to difficulty profiles (earlyLearner, intermediate, etc.)
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**Lower Priority:**
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7. ⚠️ Update UI components (ConfigPanel, DisplayOptionsPreview)
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8. ⚠️ Update documentation/help text
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## Migration Strategy
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**Good news:** This is backward compatible!
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- **Manual mode** already has these options, no migration needed
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- **Smart mode V4** doesn't have these options yet, so adding them is purely additive
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- **Default values** will make existing configs work without changes:
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- `borrowNotation: 'whenRegrouping'` - reasonable default
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- `borrowingHints: 'never'` - conservative default (advanced feature)
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**No schema version bump needed** - V4 smart mode can be extended with optional fields.
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## Testing Checklist
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After implementation:
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- [ ] Manual mode subtraction worksheets still show borrow notation
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- [ ] Manual mode can toggle borrowing hints on/off
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- [ ] Smart mode subtraction worksheets show borrow notation based on rules
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- [ ] Smart mode subtraction worksheets show hints based on rules
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- [ ] Addition worksheets unaffected (no regression)
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- [ ] Mixed worksheets apply correct rules per problem
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- [ ] Early learner profile shows max scaffolding for subtraction
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- [ ] Advanced profile shows minimal scaffolding for subtraction
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- [ ] Preview correctly shows/hides features based on rules
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- [ ] Saved configs load correctly with new fields
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## Summary
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**Current Status:** Subtraction scaffolding exists but is **manual-only**. Smart mode ignores these features entirely.
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**Key Problem:** Smart difficulty mode is less effective for subtraction than addition because it lacks subtraction-specific scaffolding rules.
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**Solution:** Extend the existing display rules system to include `borrowNotation` and `borrowingHints` as conditional options, following the same pedagogical progression as addition scaffolding.
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**Effort:** Medium (2-3 hours)
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- Schema updates: 30 min
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- Display rules updates: 30 min
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- Scaffolding progression: 1 hour
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- UI updates: 1-2 hours
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- Testing: 1 hour
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**Impact:** High - Makes smart mode equally effective for subtraction as it is for addition.
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|
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@ -2431,6 +2431,7 @@ export const AbacusReact: React.FC<AbacusConfig> = ({
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fontFamily: "monospace",
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fontWeight: "bold",
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fontSize: `${Math.max(8, 14 * finalConfig.scaleFactor)}px`,
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color: themeAwareCustomStyles?.numerals?.color || "rgba(0, 0, 0, 0.8)",
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}}
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/>
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</div>
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|
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@ -431,7 +431,9 @@ export function AbacusSVGRenderer({
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})}
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{/* Column numbers */}
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{showNumbers &&
|
||||
{/* NumberFlow numerals are now rendered in AbacusReact.tsx, not here */}
|
||||
{/* Keeping this code commented for reference - SVG text numerals replaced by NumberFlow */}
|
||||
{false && showNumbers &&
|
||||
beadConfigs.map((_, colIndex) => {
|
||||
const placeValue = columns - 1 - colIndex;
|
||||
const columnState = state[placeValue] || {
|
||||
|
|
|
|||
Loading…
Reference in New Issue