mcp/client: add list_all_* helpers with pagination safety guards #3604

Job	Run time
checks / pre-commit	17s
checks / readme-snippets	12s
checks / docs	1m 3s
checks / test (3.11, locked, windows-latest)	2m 8s
checks / test (3.11, lowest-direct, windows-latest)	1m 48s
checks / test (3.12, locked, ubuntu-latest)	1m 35s
checks / test (3.12, lowest-direct, windows-latest)	1m 47s
checks / test (3.10, locked, windows-latest)	1m 57s
checks / test (3.10, locked, ubuntu-latest)	1m 11s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 14s
checks / test (3.11, locked, ubuntu-latest)	1m 14s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 4s
checks / test (3.10, lowest-direct, windows-latest)	1m 47s
checks / test (3.12, locked, windows-latest)	1m 34s
checks / test (3.13, lowest-direct, windows-latest)	2m 7s
checks / test (3.13, locked, ubuntu-latest)	1m 10s
checks / test (3.14, locked, windows-latest)	1m 51s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 12s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 9s
checks / test (3.13, locked, windows-latest)	2m 4s
checks / test (3.14, lowest-direct, windows-latest)	2m 1s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 14s
checks / test (3.14, locked, ubuntu-latest)	1m 11s
all-green	3s
	32m 53s

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