fix: detect context on callable tool objects #2577

Job	Run time
checks / readme-snippets	12s
checks / test (3.11, locked, ubuntu-latest)	47s
checks / test (3.10, lowest-direct, ubuntu-latest)	52s
checks / test (3.12, lowest-direct, windows-latest)	1m 37s
checks / test (3.12, locked, ubuntu-latest)	57s
checks / test (3.13, locked, ubuntu-latest)	50s
checks / test (3.14, locked, ubuntu-latest)	2m 0s
checks / test (3.14, locked, windows-latest)	2m 26s
checks / test (3.12, lowest-direct, ubuntu-latest)	57s
checks / test (3.10, lowest-direct, windows-latest)	1m 17s
checks / test (3.12, locked, windows-latest)	1m 17s
checks / test (3.14, lowest-direct, windows-latest)	1m 20s
checks / test (3.13, locked, windows-latest)	2m 4s
checks / test (3.10, locked, windows-latest)	1m 41s
checks / test (3.14, lowest-direct, ubuntu-latest)	48s
checks / test (3.11, lowest-direct, windows-latest)	1m 40s
checks / pre-commit	38s
checks / test (3.13, lowest-direct, ubuntu-latest)	49s
checks / test (3.11, locked, windows-latest)	1m 10s
checks / test (3.10, locked, ubuntu-latest)	52s
checks / test (3.11, lowest-direct, ubuntu-latest)	46s
checks / test (3.13, lowest-direct, windows-latest)	2m 54s
all-green	3s
	27m 57s

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