- Add explicit viper.BindEnv() for all gateway.node_tls_proxy.* keys to fix viper's AutomaticEnv+Unmarshal nested struct bug where env vars are silently ignored when config.yaml lacks the corresponding section - Sync proxy.js CLI_VERSION 2.1.84→2.1.87 and BUILD_TIME to match constants.go, eliminating API/telemetry version mismatch