fix: detect context on callable tool instances #2168

Job	Run time
checks / readme-snippets	13s
checks / pre-commit	43s
checks / test (3.10, locked, windows-latest)	2m 31s
checks / test (3.10, locked, ubuntu-latest)	54s
checks / test (3.12, locked, ubuntu-latest)	54s
checks / test (3.14, lowest-direct, windows-latest)	2m 18s
checks / test (3.12, lowest-direct, windows-latest)	4m 3s
checks / test (3.10, lowest-direct, ubuntu-latest)	59s
checks / test (3.13, lowest-direct, ubuntu-latest)	56s
checks / test (3.13, lowest-direct, windows-latest)	2m 36s
checks / test (3.11, lowest-direct, ubuntu-latest)	52s
checks / test (3.11, locked, windows-latest)	2m 35s
checks / test (3.13, locked, windows-latest)	2m 26s
checks / test (3.13, locked, ubuntu-latest)	49s
checks / test (3.14, locked, windows-latest)	3m 40s
checks / test (3.11, lowest-direct, windows-latest)	2m 47s
checks / test (3.14, locked, ubuntu-latest)	2m 28s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 23s
checks / test (3.12, lowest-direct, ubuntu-latest)	58s
checks / test (3.12, locked, windows-latest)	3m 9s
checks / test (3.10, lowest-direct, windows-latest)	3m 9s
checks / test (3.11, locked, ubuntu-latest)	52s
all-green	2s
	41m 17s

Provide feedback