feat(error-book): implement error book module with SM2 spaced repetition

- Add SM2 algorithm implementation with tests for spaced repetition review scheduling

- Add data-access, schema, types, and server actions for error book CRUD

- Add components: add dialog, class overview, filters, item card, stats cards, review buttons, top wrong questions

- Add error-book routes for admin, teacher, parent, and student roles

- Add i18n messages (en, zh-CN) for error book module

src/shared/i18n/messages/en/error-book.json

@@ -0,0 +1,101 @@
+{
+  "title": "Error Book",
+  "description": "Automatically collect wrong answers from exams and homework, review scientifically",
+  "stats": {
+    "total": "Total Errors",
+    "new": "New",
+    "learning": "Learning",
+    "mastered": "Mastered",
+    "dueReview": "Due Review",
+    "masteredRate": "Mastery Rate"
+  },
+  "status": {
+    "new": "New",
+    "learning": "Learning",
+    "mastered": "Mastered",
+    "archived": "Archived"
+  },
+  "source": {
+    "exam": "Exam",
+    "homework": "Homework",
+    "manual": "Manual"
+  },
+  "review": {
+    "again": "Again",
+    "hard": "Hard",
+    "good": "Good",
+    "easy": "Easy",
+    "againDesc": "Don't know, review tomorrow",
+    "hardDesc": "Barely correct, review in 2 days",
+    "goodDesc": "Correct, review in 4 days",
+    "easyDesc": "Easy, review in 7 days"
+  },
+  "actions": {
+    "add": "Add Manually",
+    "viewDetail": "View Details",
+    "saveNote": "Save Note",
+    "archive": "Archive",
+    "delete": "Delete",
+    "collect": "Collect Errors"
+  },
+  "fields": {
+    "question": "Select Question",
+    "note": "Study Note",
+    "errorTags": "Error Reason Tags",
+    "masteryLevel": "Mastery Level",
+    "reviewCount": "Review Count",
+    "nextReview": "Next Review",
+    "createdAt": "Added At"
+  },
+  "errorTags": {
+    "concept": "Concept Gap",
+    "calculation": "Calculation Error",
+    "careless": "Careless",
+    "misread": "Misread Question",
+    "method": "Wrong Method",
+    "memory": "Memory Error",
+    "time": "Out of Time"
+  },
+  "empty": {
+    "title": "Error book is empty",
+    "description": "Wrong answers from exams and homework will be collected here automatically. You can also add manually."
+  },
+  "teacher": {
+    "title": "Error Analysis",
+    "description": "View class error statistics and weak knowledge points",
+    "coverage": "Student Coverage",
+    "totalErrors": "Total Errors",
+    "avgMastery": "Avg Mastery Rate",
+    "weakPoints": "Weak Knowledge Points",
+    "subjectDist": "Subject Distribution",
+    "studentDetail": "Student Error Details",
+    "topWrong": "Top Wrong Questions",
+    "noClass": "No classes assigned",
+    "noStudent": "No students in class"
+  },
+  "parent": {
+    "title": "Child Error Book",
+    "description": "View your child's error statistics and learning progress",
+    "noChild": "No children linked"
+  },
+  "admin": {
+    "title": "School-wide Error Analysis",
+    "description": "School-wide error statistics and weak point analysis"
+  },
+  "messages": {
+    "added": "Error added",
+    "noteSaved": "Note saved",
+    "reviewRecorded": "Review recorded",
+    "archived": "Error archived",
+    "deleted": "Error deleted",
+    "collected": "Collected {{count}} errors",
+    "noNewErrors": "No new errors to collect",
+    "addFailed": "Failed to add error",
+    "saveFailed": "Save failed",
+    "deleteFailed": "Delete failed",
+    "archiveFailed": "Archive failed",
+    "collectFailed": "Failed to collect errors",
+    "notFound": "Error not found or access denied",
+    "selectQuestion": "Please select a question"
+  }
+}