Vanillaxi opened a new pull request, #3466:
URL: https://github.com/apache/dubbo-go/pull/3466

   ## What 
   
   - Change `duplexHTTPCall.CloseRead()` to close the response body directly 
instead of draining the remaining response body first.
   - Add regression tests for non-blocking close behavior across server-stream, 
bidi-stream, client-stream, and `duplexHTTPCall`.
   
   ## Why
   
   `CloseRead()` previously drained the remaining response body before closing 
it. If the server kept the response stream open, returned an error early, 
stopped reading the request side, or the transport stopped producing response 
bytes, client close paths such as `ServerStreamForClient.Close`, 
`BidiStreamForClient.CloseResponse`, and 
`ClientStreamForClient.CloseAndReceive` could block unnecessarily.
   
   This selectively ports only the stream close lifecycle behavior from the 
connect-go v1.18.0 fix without bringing in unrelated connect-go features.
   
   Fixes #3457
   
   ## Tests
   
   ```bash
   go test ./protocol/triple/triple_protocol -run 
'TestServerStreamCloseDoesNotDrainResponse|TestBidiStreamCloseResponseDoesNotDrainResponse|TestBidiStreamCloseResponseAfterServerStopsReading|TestClientStreamCloseAndReceiveAfterServerReturnsError|TestDuplexHTTPCallCloseReadDoesNotDrainResponseBody'
 -count=1
   go test ./protocol/triple/triple_protocol
   go test ./protocol/triple
   ```


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