Update README and project cleanup

analyze_excel.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+import openpyxl
+
+wb = openpyxl.load_workbook('家庭教育档案-天数.xlsx')
+ws = wb.active
+data = [list(row) for row in ws.iter_rows(values_only=True)]
+
+# 检查关键字段
+important_cols = {
+    2: 'family_role1',
+    3: 'education1',
+    16: 'child_sex',
+    20: 'learning_score',
+    22: 'family_status',
+    23: 'family_atmosphere',
+    24: 'parent_child_relation',
+    25: 'parent_education_diff',
+    26: 'deny_often',
+    27: 'hitting_education',
+    28: 'child_with_parents',
+    37: 'duration'
+}
+
+print('标签分类方案\n')
+print('=' * 100)
+
+for col_idx, col_key in important_cols.items():
+    header = data[0][col_idx]
+    values = {}
+    for row in data[1:]:
+        if col_idx < len(row) and row[col_idx]:
+            v = str(row[col_idx]).strip()
+            values[v] = values.get(v, 0) + 1
+    
+    print(f'\n{col_key}:')
+    print(f'  header: {header}')
+    print(f'  unique_values: {len(values)}')
+    if len(values) <= 15:
+        for v, count in sorted(values.items(), key=lambda x: -x[1]):
+            print(f'    - "{v}" ({count}人)')
+    else:
+        for v, count in sorted(values.items(), key=lambda x: -x[1])[:10]:
+            print(f'    - "{v}" ({count}人)')
+        print(f'    ... 还有 {len(values) - 10} 个值')