feat(analytics): E0-lite 数据健康端点——数据截至+实体新鲜度

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

yunke-server/app/api/routers/analytics.py

@@ -0,0 +1,21 @@
+"""GET /api/analytics/* —— 数据分析板块端组(前缀分组=未来角色权限落点)。"""
+from __future__ import annotations
+
+from typing import Annotated, Any
+
+from fastapi import APIRouter, Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.analytics import health as health_svc
+from app.api.deps import get_session
+
+router = APIRouter(prefix="/api/analytics", tags=["analytics"])
+
+SessionDep = Annotated[AsyncSession, Depends(get_session)]
+
+
+@router.get("/health")
+async def analytics_health(session: SessionDep) -> dict[str, Any]:
+    """E0-lite:数据截至 + 实体新鲜度。"""
+    as_of = await health_svc.data_as_of(session)
+    return {"data_as_of": as_of, "entities": await health_svc.entity_freshness(session)}