Repair malformed tool call inputs (#580) #6359

Job	Run time
build-and-check	3m 11s
test-integration-packages/billing	1m 7s
test-integration-packages/internal	1m 14s
test-integration-sdk	1m 19s
test-integration-common	45s
test-integration-cli	51s
test-integration-web	39s
test-integration-packages/agent-runtime	46s
test-common	44s
test-packages/internal	46s
test-cli	1m 2s
test-.agents	39s
test-sdk	48s
test-packages/billing	43s
test-packages/agent-runtime	59s
test-web	1m 13s
	16m 46s

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