Server-side 2026-07-28 stateless support: classifier, driver split, server/discover #2879

Job	Run time
checks / pre-commit	43s
checks / readme-snippets	15s
checks / test (3.11, locked, windows-latest)	1m 46s
checks / test (3.12, locked, ubuntu-latest)	58s
checks / test (3.10, locked, ubuntu-latest)	54s
checks / test (3.12, locked, windows-latest)	1m 25s
checks / test (3.13, lowest-direct, windows-latest)	1m 32s
checks / test (3.11, lowest-direct, ubuntu-latest)	49s
checks / test (3.12, lowest-direct, ubuntu-latest)	59s
checks / test (3.10, lowest-direct, windows-latest)	1m 25s
checks / test (3.11, lowest-direct, windows-latest)	1m 21s
checks / test (3.10, lowest-direct, ubuntu-latest)	53s
checks / test (3.13, lowest-direct, ubuntu-latest)	52s
checks / test (3.12, lowest-direct, windows-latest)	1m 21s
checks / test (3.11, locked, ubuntu-latest)	57s
checks / test (3.10, locked, windows-latest)	1m 24s
checks / test (3.13, locked, ubuntu-latest)	49s
checks / test (3.14, lowest-direct, ubuntu-latest)	50s
checks / test (3.14, lowest-direct, windows-latest)	1m 19s
checks / test (3.13, locked, windows-latest)	1m 41s
checks / test (3.14, locked, windows-latest)	2m 27s
checks / test (3.14, locked, ubuntu-latest)	2m 2s
all-green	2s
	26m 44s

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