fix: catch ClosedResourceError in _handle_message error recovery path #998

Job	Run time
checks / readme-snippets	13s
checks / pre-commit	32s
checks / test (3.10, locked, ubuntu-latest)	49s
checks / test (3.10, lowest-direct, ubuntu-latest)	52s
checks / test (3.10, lowest-direct, windows-latest)	2m 19s
checks / test (3.13, lowest-direct, windows-latest)	2m 30s
checks / test (3.12, locked, windows-latest)	3m 32s
checks / test (3.12, locked, ubuntu-latest)	56s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 0s
checks / test (3.13, lowest-direct, ubuntu-latest)	52s
checks / test (3.10, locked, windows-latest)	2m 15s
checks / test (3.11, locked, ubuntu-latest)	48s
checks / test (3.12, lowest-direct, windows-latest)	3m 34s
checks / test (3.11, locked, windows-latest)	2m 54s
checks / test (3.14, lowest-direct, windows-latest)	2m 17s
checks / test (3.13, locked, ubuntu-latest)	51s
checks / test (3.12, lowest-direct, ubuntu-latest)	57s
checks / test (3.11, lowest-direct, windows-latest)	2m 39s
checks / test (3.13, locked, windows-latest)	2m 17s
checks / test (3.14, locked, windows-latest)	3m 11s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 17s
checks / test (3.14, locked, ubuntu-latest)	2m 19s
all-green	2s
	38m 56s

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