feat(admin): Phase 9 收尾治理 — 全局项目监控 + 数据完整性体检

后端:adminpanel projects(全局项目流水线监控+状态筛)+ integrity(数据体检:无账户团队/无图商品/过期邀请码/
无文件资产/失败项目/卡 reserved 计数 + totals);AdminProjectSerializer;IsPlatformAdmin。
前端:adminApi adminProjects/integrity;Admin 治理页(体检卡片超0高亮 + 项目监控表状态筛)。
测试:adminpanel 53 单测过(项目列/筛/体检报告);无头 e2e _admin-p9.mjs 4 断言过 + 0 console error(全只读);tsc+build 绿。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

core/backend/apps/adminpanel/urls.py

@@ -10,6 +10,8 @@ from .views import (
     admin_model_detail,
     admin_model_set_default,
     admin_models,
+    admin_integrity,
+    admin_projects,
     admin_provider_detail,
     admin_providers,
     admin_quota_policies,
@@ -55,4 +57,6 @@ urlpatterns = [
     path("models/", admin_models, name="admin-models"),
     path("models/<uuid:model_id>/", admin_model_detail, name="admin-model-detail"),
     path("models/<uuid:model_id>/set-default/", admin_model_set_default, name="admin-model-set-default"),
+    path("projects/", admin_projects, name="admin-projects"),
+    path("integrity/", admin_integrity, name="admin-integrity"),
 ]