feat: 原始上报数据存储（raw_batch 表/脱敏/访客关联/详情页 Tab/30天清理）

Co-Authored-By: Claude Code <noreply@anthropic.com>

server/config/urls.py

@@ -4,7 +4,8 @@ from tracker.api.auth import LoginView, RefreshView, MeView, UserCreateView
 from tracker.api.sites import SiteListView, SiteDetailView
 from tracker.api.dashboard import OverviewView
 from tracker.api.visitors import (VisitorDetailView, VisitorListView,
-                                  VisitorSessionView, VisitorTimelineView)
+                                  VisitorRawBatchesView, VisitorSessionView,
+                                  VisitorTimelineView)
 
 urlpatterns = [
     path("api/collect/batch", CollectBatchView.as_view()),
@@ -23,4 +24,6 @@ urlpatterns += [
     path("api/admin/visitors/<str:visitor_id>/timeline", VisitorTimelineView.as_view()),
     path("api/admin/visitors/<str:visitor_id>/sessions/<str:session_id>",
          VisitorSessionView.as_view()),
+    path("api/admin/visitors/<str:visitor_id>/raw-batches",
+         VisitorRawBatchesView.as_view()),
 ]