test(health): 设备读数集成测试 — 8 个测试覆盖批量摄入/设备绑定/聚合/查询/校验/租户隔离

crates/erp-server/tests/integration.rs

@@ -20,3 +20,5 @@ mod health_points_tests;
 mod health_dialysis_tests;
 #[path = "integration/health_alert_tests.rs"]
 mod health_alert_tests;
+#[path = "integration/health_device_reading_tests.rs"]
+mod health_device_reading_tests;