docs: Update docstring for generate function #1526

Job	Run time
build	10s
lint-js (libs/sdk-js)	20s
CLI integration test / CLI integration test (3.10)	7s
CLI integration test / CLI integration test (3.11)	7s
cd libs/checkpoint / test #3.9	12s
cd libs/checkpoint / test #3.10	12s
cd libs/checkpoint / test #3.11	18s
cd libs/checkpoint / test #3.12	15s
cd libs/checkpoint / lint #3.9	5s
cd libs/checkpoint / lint #3.11	5s
cd libs/checkpoint-postgres / test #3.9	26s
cd libs/checkpoint-postgres / test #3.10	27s
cd libs/checkpoint-postgres / test #3.11	36s
cd libs/checkpoint-sqlite / test #3.9	18s
cd libs/cli / test #3.9	14s
cd libs/checkpoint-postgres / test #3.12	42s
cd libs/cli / test #3.10	20s
cd libs/checkpoint-sqlite / test #3.10	15s
cd libs/cli / test #3.11	27s
cd libs/checkpoint-sqlite / test #3.11	22s
cd libs/cli / test #3.12	13s
cd libs/langgraph / test #3.9	3m 6s
cd libs/checkpoint-sqlite / test #3.12	15s
cd libs/checkpoint-postgres / lint #3.9	4s
cd libs/langgraph / test #3.10	3m 27s
cd libs/checkpoint-postgres / lint #3.11	7s
cd libs/langgraph / test #3.11	3m 8s
cd libs/checkpoint-sqlite / lint #3.9	3s
cd libs/checkpoint-sqlite / lint #3.11	4s
cd libs/langgraph / test #3.12	3m 18s
cd libs/cli / lint #3.9	8s
cd libs/langgraph / lint #3.9	6s
cd libs/cli / lint #3.11	5s
cd libs/sdk-py / lint #3.9	7s
cd libs/langgraph / lint #3.11	4s
cd libs/sdk-py / lint #3.11	5s
CI Success	1s
	20m 19s

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