mcp/client: add list_all_* helpers with pagination safety guards #3613

Job	Run time
checks / pre-commit	53s
checks / readme-snippets	15s
checks / docs	1m 3s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 20s
checks / test (3.10, locked, ubuntu-latest)	1m 31s
checks / test (3.10, lowest-direct, windows-latest)	1m 52s
checks / test (3.10, locked, windows-latest)	2m 4s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 26s
checks / test (3.11, lowest-direct, windows-latest)	1m 49s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 29s
checks / test (3.13, lowest-direct, windows-latest)	3m 42s
checks / test (3.13, locked, ubuntu-latest)	1m 14s
checks / test (3.13, locked, windows-latest)	2m 13s
checks / test (3.11, locked, ubuntu-latest)	1m 23s
checks / test (3.12, locked, ubuntu-latest)	1m 39s
checks / test (3.12, locked, windows-latest)	1m 56s
checks / test (3.12, lowest-direct, windows-latest)	1m 57s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 17s
checks / test (3.14, locked, windows-latest)	2m 1s
checks / test (3.14, lowest-direct, windows-latest)	1m 53s
checks / test (3.11, locked, windows-latest)	1m 51s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 19s
checks / test (3.14, locked, ubuntu-latest)	1m 16s
all-green	2s
	37m 25s

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