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/tracker/api/visitors.py

@@ -13,9 +13,10 @@ from rest_framework.response import Response
 from rest_framework.views import APIView
 
 from tracker.api.envelope import EnvelopeMixin, ok
-from tracker.models import Event, Site, VisitSession, Visitor
+from tracker.models import Event, RawBatch, Site, VisitSession, Visitor
 
 PAGE_SIZE = 20
+RAW_PAGE_SIZE = 10   # 原始批次 body 较大，页小一些
 TIMELINE_DEFAULT_DAYS = 30
 TIMELINE_MAX_DAYS = 90
 TIMELINE_MAX_EVENTS = 1000
@@ -246,3 +247,30 @@ class VisitorSessionView(EnvelopeMixin, APIView):
             return _not_found("session_not_found")
         events = Event.objects.filter(session=session).order_by("occurred_at", "pk")  # (session,occurred_at) 索引
         return ok({**_session_summary(session), "events": _merge_page_stay(events)})
+
+
+class VisitorRawBatchesView(EnvelopeMixin, APIView):
+    """访客原始上报批次（raw_batch）：排查"上报了为何没进报表"。
+
+    body 是脱敏后的整包 JSON 文本（敏感值已 [FILTERED]、被拒批次已截断），
+    前端以 <pre> 文本渲染（禁 v-html）。按 -received_at 倒序分页，走 (visitor,-received_at) 索引。
+    """
+
+    def get(self, request, visitor_id):
+        visitor = _get_visitor(visitor_id)
+        if not visitor:
+            return _not_found("visitor_not_found")
+        qs = RawBatch.objects.filter(visitor=visitor)
+        total = qs.count()
+        try:
+            page = int(request.query_params.get("page", 1))
+        except (TypeError, ValueError):
+            page = 1
+        page = max(1, page)
+        batches = qs.order_by("-received_at", "-pk")[
+            (page - 1) * RAW_PAGE_SIZE: page * RAW_PAGE_SIZE]
+        return ok({"list": [{"id": b.id, "batch_id": b.batch_id, "status": b.status,
+                             "event_count": b.event_count, "rejected_count": b.rejected_count,
+                             "received_at": _iso(b.received_at), "body": b.body}
+                            for b in batches],
+                   "total": total, "page": page})