Include truncated original tool call in error message #6018

Job	Run time
build-and-check	3m 7s
test-integration-packages/internal	1m 6s
test-integration-packages/billing	1m 9s
test-integration-packages/agent-runtime	42s
test-integration-web	41s
test-integration-cli	38s
test-integration-common	42s
test-web	52s
test-integration-sdk	1m 29s
test-cli	1m 0s
test-sdk	53s
test-packages/agent-runtime	55s
test-common	41s
test-.agents	52s
test-packages/internal	50s
test-packages/billing	52s
	16m 29s

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