chore: fix node integration tests failing with HTTP 500 error #799
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Close #766
This PR is stacked on #797 and should be merged after it.
The error "grpc-status header missing mapped from HTTP status code 500" errors. The root cause was that the node process was started with
Stdio::piped()for stdout/stderr, and when the pipe buffers filled up during heavy logging, the node would block on I/O writes, causing gRPC requests to fail.The fix changes the node process to use
Stdio::null()instead, which prevents blocking. For debugging, users can run the node manually withRUST_LOG=debug.