feat: 英文字母描红开发

miniprogram/core/data/worksheets.ts

@@ -254,10 +254,140 @@ export const ALL_WORKSHEETS: WorksheetDefinition[] = [
         { id: 'copybook', title: '练字帖', desc: '选字生成田字格笔顺练字帖', category: 'chinese', page: 'copyBook', subpackage: '', icon: '✏️', img: '', ageRange: [4, 7], difficulty: 'basic', previewBg: '#fff8e1', previewText: '横竖撇' },
         { subcategory: 'copybook', template: 'tracing-writing', generator: 'character-tracing', sortOrder: 41, generatorConfig: { functionId: 'copybook' }, layoutConfig: { ...L.trace } },
     ),
+
+    sheet(
+        {
+            id: 'letter-tracing-single',
+            title: '字母学习页',
+            desc: '单字母配图、阅读句与四线三格描红',
+            category: 'english',
+            page: 'letterTracing',
+            subpackage: 'englishPages',
+            icon: '🔠',
+            img: '',
+            ageRange: [4, 7],
+            difficulty: 'beginner',
+            previewBg: '#e8f4ff',
+            previewText: 'Aa',
+        },
+        {
+            subcategory: 'letter-tracing',
+            template: 'tracing-writing',
+            generator: 'letter-tracing',
+            sortOrder: 42,
+            layoutConfig: {
+                ...L.trace,
+                instructionText: '看一看，读一读，再描一描',
+            },
+            generatorConfig: {
+                mode: 'single-letter',
+                letterCase: 'upper',
+                selectedLetter: 'A',
+                repetitions: 5,
+                fadePattern: 'gradient',
+            },
+        },
+    ),
+    sheet(
+        {
+            id: 'letter-tracing-full',
+            title: '26 字母描红',
+            desc: '整页四线三格逐字母描红',
+            category: 'english',
+            page: 'letterTracing',
+            subpackage: 'englishPages',
+            icon: '🔤',
+            img: '',
+            ageRange: [4, 7],
+            difficulty: 'beginner',
+            previewBg: '#e8f4ff',
+            previewText: 'A→Z',
+        },
+        {
+            subcategory: 'letter-tracing',
+            template: 'tracing-writing',
+            generator: 'letter-tracing',
+            sortOrder: 43,
+            layoutConfig: { ...L.trace, instructionText: '沿虚线描写字母' },
+            generatorConfig: {
+                mode: 'full-alphabet',
+                letterCase: 'upper',
+                repetitions: 8,
+                fadePattern: 'gradient',
+            },
+        },
+    ),
+    sheet(
+        {
+            id: 'letter-tracing-upper-lower',
+            title: '大小写字母对照',
+            desc: '上半部大写、下半部小写总览',
+            category: 'english',
+            page: 'letterTracing',
+            subpackage: 'englishPages',
+            icon: '🔡',
+            img: '',
+            ageRange: [4, 7],
+            difficulty: 'beginner',
+            previewBg: '#e8f4ff',
+            previewText: 'Aa Bb',
+        },
+        {
+            subcategory: 'letter-tracing',
+            template: 'tracing-writing',
+            generator: 'letter-tracing',
+            sortOrder: 44,
+            layoutConfig: {
+                ...L.trace,
+                columns: 13,
+                instructionText: '认识大写和小写字母',
+            },
+            generatorConfig: {
+                mode: 'upper-lower-split',
+                letterCase: 'both',
+                repetitions: 1,
+                fadePattern: 'first-only',
+            },
+        },
+    ),
+    sheet(
+        {
+            id: 'letter-tracing-two-column',
+            title: '字母描红（两列）',
+            desc: 'A–M / N–Z 两列练习',
+            category: 'english',
+            page: 'letterTracing',
+            subpackage: 'englishPages',
+            icon: '✏️',
+            img: '',
+            ageRange: [4, 7],
+            difficulty: 'beginner',
+            previewBg: '#e8f4ff',
+            previewText: 'A|N',
+        },
+        {
+            subcategory: 'letter-tracing',
+            template: 'tracing-writing',
+            generator: 'letter-tracing',
+            sortOrder: 45,
+            layoutConfig: {
+                ...L.trace,
+                columns: 2,
+                instructionText: '沿虚线描写字母',
+            },
+            generatorConfig: {
+                mode: 'two-column',
+                letterCase: 'upper',
+                repetitions: 4,
+                fadePattern: 'gradient',
+            },
+        },
+    ),
 ];
 
-export const MATH_FUNCTION_TYPES: MathFunctionType[] = ALL_WORKSHEETS
-    .filter((w) => w.category === 'math')
+export const MATH_FUNCTION_TYPES: MathFunctionType[] = ALL_WORKSHEETS.filter(
+    (w) => w.category === 'math',
+)
     .sort((a, b) => a.sortOrder - b.sortOrder)
     .map((w) => ({
         id: w.id,
@@ -268,8 +398,9 @@ export const MATH_FUNCTION_TYPES: MathFunctionType[] = ALL_WORKSHEETS
         img: w.img,
     }));
 
-export const FOCUS_FUNCTION_TYPES: FocusFunctionType[] = ALL_WORKSHEETS
-    .filter((w) => w.category === 'focus')
+export const FOCUS_FUNCTION_TYPES: FocusFunctionType[] = ALL_WORKSHEETS.filter(
+    (w) => w.category === 'focus',
+)
     .sort((a, b) => a.sortOrder - b.sortOrder)
     .map((w) => ({
         id: w.id,
@@ -281,7 +412,9 @@ export const FOCUS_FUNCTION_TYPES: FocusFunctionType[] = ALL_WORKSHEETS
         img: w.img,
     }));
 
-export function getWorksheetsByCategory(category: string): WorksheetDefinition[] {
+export function getWorksheetsByCategory(
+    category: string,
+): WorksheetDefinition[] {
     if (category === 'all') return ALL_WORKSHEETS;
     return ALL_WORKSHEETS.filter((w) => w.category === category);
 }