feat: 持久化资料包导出记录与列表摘要

apps/documents/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 
-from .models import UploadedDocument
+from .models import ExportedDocument, UploadedDocument
 
 
 @admin.register(UploadedDocument)
@@ -9,3 +9,19 @@ class UploadedDocumentAdmin(admin.ModelAdmin):
     list_display = ("id", "original_name", "scenario_id", "file_type", "status", "created_at")
     list_filter = ("status", "scenario_id", "file_type")
     search_fields = ("original_name", "scenario_id")
+
+
+@admin.register(ExportedDocument)
+class ExportedDocumentAdmin(admin.ModelAdmin):
+    """管理导出记录，便于按批次、会话和产品回看导出产物。"""
+    list_display = (
+        "id",
+        "file_name",
+        "batch",
+        "conversation_id",
+        "product_name",
+        "export_mode",
+        "created_at",
+    )
+    list_filter = ("export_mode", "output_type", "template_name")
+    search_fields = ("file_name", "batch__batch_id", "conversation_id", "product_name")