Server-side 2026-07-28 stateless support: classifier, driver split, server/discover #2869

Job	Run time
checks / pre-commit	40s
checks / readme-snippets	13s
checks / test (3.11, lowest-direct, ubuntu-latest)	49s
checks / test (3.10, lowest-direct, windows-latest)	1m 26s
checks / test (3.10, lowest-direct, ubuntu-latest)	46s
checks / test (3.10, locked, windows-latest)	1m 31s
checks / test (3.10, locked, ubuntu-latest)	53s
checks / test (3.12, lowest-direct, windows-latest)	1m 34s
checks / test (3.11, lowest-direct, windows-latest)	1m 40s
checks / test (3.11, locked, windows-latest)	1m 11s
checks / test (3.12, locked, ubuntu-latest)	55s
checks / test (3.13, lowest-direct, windows-latest)	1m 26s
checks / test (3.12, lowest-direct, ubuntu-latest)	54s
checks / test (3.14, locked, windows-latest)	2m 15s
checks / test (3.14, lowest-direct, windows-latest)	1m 17s
checks / test (3.11, locked, ubuntu-latest)	48s
checks / test (3.13, locked, windows-latest)	1m 30s
checks / test (3.13, lowest-direct, ubuntu-latest)	49s
checks / test (3.14, locked, ubuntu-latest)	1m 49s
checks / test (3.13, locked, ubuntu-latest)	48s
checks / test (3.14, lowest-direct, ubuntu-latest)	46s
checks / test (3.12, locked, windows-latest)	1m 36s
all-green	5s
	25m 41s

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