fix: support context-only resources #2167

Job	Run time
checks / pre-commit	30s
checks / readme-snippets	11s
checks / test (3.11, lowest-direct, windows-latest)	2m 49s
checks / test (3.10, locked, ubuntu-latest)	49s
checks / test (3.10, lowest-direct, ubuntu-latest)	56s
checks / test (3.10, lowest-direct, windows-latest)	3m 10s
checks / test (3.10, locked, windows-latest)	2m 35s
checks / test (3.12, lowest-direct, windows-latest)	3m 51s
checks / test (3.11, locked, ubuntu-latest)	51s
checks / test (3.11, lowest-direct, ubuntu-latest)	54s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 3s
checks / test (3.12, locked, ubuntu-latest)	53s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 16s
checks / test (3.14, locked, windows-latest)	3m 21s
checks / test (3.12, locked, windows-latest)	3m 33s
checks / test (3.13, locked, windows-latest)	2m 21s
checks / test (3.13, locked, ubuntu-latest)	51s
checks / test (3.13, lowest-direct, ubuntu-latest)	57s
checks / test (3.11, locked, windows-latest)	2m 43s
checks / test (3.14, locked, ubuntu-latest)	2m 6s
checks / test (3.13, lowest-direct, windows-latest)	2m 54s
checks / test (3.14, lowest-direct, windows-latest)	2m 25s
all-green	3s
	41m 2s

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