Backport: Propagate body-level errors as synthetic JSON-RPC responses#897

Planview-JamesK wants to merge 1 commit intomodelcontextprotocol:0.17.xmodelcontextprotocol/java-sdk:0.17.xfrom

Planview-JamesK:fix/889-body-error-propagation-0.17.xPlanview-JamesK/java-sdk:fix/889-body-error-propagation-0.17.xCopy head branch name to clipboard