fix: surface stateful HTTP session crash cause #2399

Job	Run time
checks / pre-commit	32s
checks / readme-snippets	14s
checks / test (3.11, locked, ubuntu-latest)	59s
checks / test (3.12, locked, windows-latest)	3m 27s
checks / test (3.12, locked, ubuntu-latest)	1m 2s
checks / test (3.10, locked, ubuntu-latest)	1m 1s
checks / test (3.10, lowest-direct, windows-latest)	2m 39s
checks / test (3.11, lowest-direct, ubuntu-latest)	56s
checks / test (3.10, locked, windows-latest)	2m 26s
checks / test (3.11, lowest-direct, windows-latest)	3m 9s
checks / test (3.11, locked, windows-latest)	2m 45s
checks / test (3.10, lowest-direct, ubuntu-latest)	56s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 1s
checks / test (3.14, locked, windows-latest)	3m 42s
checks / test (3.13, locked, windows-latest)	2m 51s
checks / test (3.12, lowest-direct, windows-latest)	3m 40s
checks / test (3.13, lowest-direct, windows-latest)	3m 7s
checks / test (3.14, locked, ubuntu-latest)	2m 31s
checks / test (3.13, lowest-direct, ubuntu-latest)	57s
checks / test (3.14, lowest-direct, windows-latest)	2m 25s
checks / test (3.13, locked, ubuntu-latest)	56s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 23s
all-green	5s
	42m 44s

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