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/admin.py

@@ -6,6 +6,8 @@ from .models import (
     Status,
     PlanType,
     FamilyMember,
+    SummaryCategory,
+    Summary,
     ReadingRecord,
     InsightRecord,
     FamilyTask,
@@ -14,6 +16,19 @@ from .models import (
 )
 
 
+@admin.register(SummaryCategory)
+class SummaryCategoryAdmin(admin.ModelAdmin):
+    list_display = ('name', 'created_at', 'updated_at')
+    search_fields = ('name',)
+
+
+@admin.register(Summary)
+class SummaryAdmin(admin.ModelAdmin):
+    list_display = ('date', 'category', 'speaker', 'source', 'created_at')
+    list_filter = ('date', 'category', 'speaker')
+    search_fields = ('content', 'source')
+
+
 @admin.register(FamilyMember)
 class FamilyMemberAdmin(admin.ModelAdmin):
     list_display = ('name', 'created_at', 'updated_at')