- 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