chore(P14-8): 完成运营化与验收收口

server/src/config.js

@@ -132,6 +132,8 @@ function getConfig() {
     smtpSecure: process.env.SMTP_SECURE === "true",
     smtpUser: process.env.SMTP_USER ?? "",
     smtpPass: process.env.SMTP_PASS ?? "",
+
+    otelTracesEnabled: process.env.OTEL_TRACES_ENABLED === "true",
   };
 }