Let a legacy-era tools/call answer with a CreateTaskResult #3715

Job	Run time
checks / pre-commit	52s
checks / docs	56s
checks / readme-snippets	11s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 21s
checks / test (3.11, lowest-direct, windows-latest)	1m 53s
checks / test (3.10, lowest-direct, windows-latest)	1m 37s
checks / test (3.11, locked, windows-latest)	2m 8s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 30s
checks / test (3.10, locked, ubuntu-latest)	1m 25s
checks / test (3.13, lowest-direct, windows-latest)	2m 3s
checks / test (3.11, locked, ubuntu-latest)	1m 23s
checks / test (3.12, lowest-direct, windows-latest)	1m 57s
checks / test (3.10, locked, windows-latest)	2m 3s
checks / test (3.12, locked, ubuntu-latest)	1m 43s
checks / test (3.12, locked, windows-latest)	1m 59s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 23s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 33s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 20s
checks / test (3.14, locked, windows-latest)	2m 3s
checks / test (3.14, lowest-direct, windows-latest)	1m 56s
checks / test (3.13, locked, ubuntu-latest)	1m 20s
checks / test (3.14, locked, ubuntu-latest)	1m 13s
checks / test (3.13, locked, windows-latest)	1m 53s
all-green	2s
	35m 44s

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