[wavebyrd]

send_rpc_request() raises a pydantic ValidationError instead of SolanaJsonRpcError when the error response has "id": null, because JsonRpcResponseEnvelope.id only accepts str | int. JSON-RPC 2.0 requires a null id when the server couldn't read the request id, and the websocket client already handles that case with request_id=None.

Made the envelope id optional and widened request_id on the error parser protocol and the default parser to match. Added a test with a null-id error response; it fails with ValidationError without the change.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.41%. Comparing base (09dddee) to head (4ad4179).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #717   +/-   ##
=======================================
  Coverage   95.41%   95.41%           
=======================================
  Files          25       25           
  Lines        1918     1918           
=======================================
  Hits         1830     1830           
  Misses         88       88           

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[kingsznhone]

looks good