feat: add support for message expiration

[danfimov]

Closes #28

[codspeed]

Merging this PR will degrade performance by 19.57%

❌ 1 regressed benchmark
✅ 6 untouched benchmarks

Warning

Please fix the performance issues or acknowledge them on CodSpeed.

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
❌	test_kick_and_listen_roundtrip	12.9 ms	16 ms	-19.57%

Tip

Investigate this regression by commenting @codspeedbot fix this regression on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing feat-message-expiration (6501da7) with main (4b0f442)}