Session Managment and Checkpointing in MCP #3825

Job	Run time
checks / pre-commit	22s
checks / readme-snippets	13s
checks / test (3.10, lowest-direct, windows-latest)	2m 30s
checks / test (3.10, lowest-direct, ubuntu-latest)	46s
checks / test (3.10, highest, ubuntu-latest)	48s
checks / test (3.12, lowest-direct, windows-latest)	3m 18s
checks / test (3.12, lowest-direct, ubuntu-latest)	51s
checks / test (3.11, highest, windows-latest)	2m 19s
checks / test (3.11, highest, ubuntu-latest)	43s
checks / test (3.13, lowest-direct, windows-latest)	2m 23s
checks / test (3.12, highest, windows-latest)	4m 11s
checks / test (3.13, highest, windows-latest)	2m 35s
checks / test (3.13, highest, ubuntu-latest)	48s
checks / test (3.11, lowest-direct, ubuntu-latest)	40s
checks / test (3.13, lowest-direct, ubuntu-latest)	45s
checks / test (3.12, highest, ubuntu-latest)	46s
checks / test (3.11, lowest-direct, windows-latest)	2m 8s
checks / test (3.10, highest, windows-latest)	2m 26s
	28m 32s

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