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/serializers.py

@@ -6,6 +6,7 @@ from apps.accounts.models import Team, TeamMember, User
 from apps.ai.models import AITask, ModelConfig, ModelProvider, QualityWord
 from apps.assets.models import Asset
 from apps.billing.models import CreditLedger, QuotaPolicy
+from apps.projects.models import Project
 
 # 成本异常阈值:实际成本 > 预估 × 此倍数(且预估 > 0)即标异常
 COST_ANOMALY_RATIO = Decimal("1.5")
@@ -165,3 +166,13 @@ class AdminModelConfigSerializer(serializers.ModelSerializer):
         ]
         # is_default 只经 set-default 端点改,不在普通编辑里直接写
         read_only_fields = ["id", "provider_name", "is_default", "created_at"]
+
+
+class AdminProjectSerializer(serializers.ModelSerializer):
+    team_name = serializers.CharField(source="team.name", read_only=True, default=None)
+    product_title = serializers.CharField(source="product.title", read_only=True, default=None)
+
+    class Meta:
+        model = Project
+        fields = ["id", "name", "team", "team_name", "product_title", "status", "current_stage", "created_at"]
+        read_only_fields = fields