fix: avoid stderr backpressure in macOS discovery (#3304) (thanks @abhijeet117)

CHANGELOG.md

@@ -18,6 +18,7 @@ Docs: https://docs.openclaw.ai
 - Security: restrict local path extraction in media parser to prevent LFI. (#4880)
 - Gateway: prevent token defaults from becoming the literal "undefined". (#4873) Thanks @Hisleren.
 - Control UI: fix assets resolution for npm global installs. (#4909) Thanks @YuriNachos.
+- macOS: avoid stderr pipe backpressure in gateway discovery. (#3304) Thanks @abhijeet117.
 - Telegram: normalize account token lookup for non-normalized IDs. (#5055) Thanks @jasonsschin.
 - Telegram: preserve delivery thread fallback and fix threadId handling in delivery context.
 - Telegram: fix HTML nesting for overlapping styles/links. (#4578) Thanks @ThanhNguyxn.

apps/macos/Sources/OpenClawDiscovery/WideAreaGatewayDiscovery.swift

@@ -223,9 +223,9 @@ enum WideAreaGatewayDiscovery {
         process.arguments = args
         let outPipe = Pipe()
         process.standardOutput = outPipe
+        // Avoid stderr pipe backpressure; we don't consume it.
         process.standardError = FileHandle.nullDevice
 
-
         do {
             try process.run()
         } catch {