fix: make reasoning.exclude option actually suppress reasoning tokens… #6045

Job	Run time
build-and-check	3m 0s
test-integration-packages/billing	1m 12s
test-integration-cli	50s
test-packages/billing	45s
test-integration-packages/internal	1m 8s
test-integration-sdk	1m 18s
test-integration-packages/agent-runtime	43s
test-common	44s
test-.agents	40s
test-packages/internal	50s
test-web	56s
test-sdk	47s
test-cli	52s
test-integration-common	46s
test-packages/agent-runtime	42s
test-integration-web	42s
	15m 55s

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