补全9月11日至13日课评：为13名学生创建请假文档，为5个班级创建总结文档

.claude/memory/temp/verify_inject.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+import io, re, sys
+for f in sys.argv[1:]:
+    c = io.open(f, encoding='utf-8').read()
+    opens = c.count('<div'); closes = c.count('</div>')
+    print('===', f.replace('\\', '/').split('/')[-1])
+    print('  oj-explains blocks:', c.count('class="oj-explains"'))
+    print('  prob-detail panels:', c.count('class="prob-detail"'))
+    print('  oj-sections:', c.count('data-oj-section='))
+    print('  CSS present:', '.prob-detail {' in c)
+    print('  toggleProb:', 'function toggleProb' in c)
+    print('  prob-sec-h count:', c.count('class="prob-sec-h"'))
+    print('  div balance:', opens, '/', closes, 'OK' if opens == closes else 'MISMATCH')
+    # sample first panel body
+    m = re.search(r'<div class="oj-explains">(.*?)</div>\s*\n', c, re.S)
+    if m:
+        blk = m.group(1)
+        print('  sample has 题目:', '📋 题目' in blk, '| 孩子代码:', '👦 孩子的代码' in blk, '| 答案:', '✅ 参考答案' in blk, '| 解析:', '💡 解析' in blk)