Extend the interaction suite to the 2026-07-28 spec #3208

Job	Run time
checks / docs	44s
checks / readme-snippets	16s
checks / pre-commit	47s
checks / test (3.10, locked, windows-latest)	1m 56s
checks / test (3.10, lowest-direct, windows-latest)	1m 48s
checks / test (3.10, locked, ubuntu-latest)	1m 18s
checks / test (3.11, locked, ubuntu-latest)	1m 17s
checks / test (3.11, lowest-direct, windows-latest)	1m 52s
checks / test (3.11, locked, windows-latest)	1m 50s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 19s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 15s
checks / test (3.13, locked, ubuntu-latest)	1m 5s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 6s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 23s
checks / test (3.14, locked, windows-latest)	2m 40s
checks / test (3.14, lowest-direct, windows-latest)	1m 29s
checks / test (3.13, locked, windows-latest)	1m 47s
checks / test (3.14, locked, ubuntu-latest)	2m 14s
checks / test (3.12, locked, windows-latest)	1m 52s
checks / test (3.13, lowest-direct, windows-latest)	1m 52s
checks / test (3.12, lowest-direct, windows-latest)	2m 4s
checks / test (3.12, locked, ubuntu-latest)	1m 35s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 12s
all-green	2s
	34m 43s

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