feat(报告系统): 添加汇总记录功能

新增汇总记录模型、表单、视图和模板，支持在报告中显示昨日汇总记录

core/models.py

@@ -159,6 +159,39 @@ class TodayPlan(models.Model):
     def __str__(self):
         return f"{self.date} - {self.content[:20]}..."
 
+class SummaryCategory(models.Model):
+    """汇总分类"""
+    name = models.CharField(max_length=20, unique=True, verbose_name="名称")
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
+    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
+    
+    class Meta:
+        verbose_name = "汇总分类"
+        verbose_name_plural = "汇总分类"
+        ordering = ['name']
+    
+    def __str__(self):
+        return self.name
+
+class Summary(models.Model):
+    """汇总记录表"""
+    date = models.DateField(default=timezone.now, verbose_name="日期")
+    category = models.ForeignKey(SummaryCategory, on_delete=models.CASCADE, verbose_name="分类")
+    speaker = models.ForeignKey(FamilyMember, on_delete=models.CASCADE, verbose_name="发言人")
+    content = models.TextField(verbose_name="内容")
+    source = models.CharField(max_length=200, blank=True, null=True, verbose_name="来源")
+    file = models.FileField(upload_to='summary_files/', blank=True, null=True, verbose_name="上传文件")
+    created_at = models.DateTimeField(auto_now_add=True, verbose_name="创建时间")
+    updated_at = models.DateTimeField(auto_now=True, verbose_name="更新时间")
+    
+    class Meta:
+        verbose_name = "汇总记录"
+        verbose_name_plural = "汇总记录"
+        ordering = ['-date', '-created_at']
+    
+    def __str__(self):
+        return f"{self.category.name} - {self.date}"
+
 class SystemConfig(models.Model):
     """系统配置表"""
     smtp_server = models.CharField(max_length=100, blank=True, null=True, verbose_name="SMTP服务器")