STOR-5552: Preserve in-flight WebSocket auto-responses

[apeacock1991]

Track auto-response sends in the hibernation manager so revived WebSockets wait before writing.

Queue completion alongside pending responses and retain the message buffer independently of the legacy adapter. Cover direct, queued, packaged, cancellation, and repeated-revival paths.

[ask-bonk]

LGTM

github run

[codspeed-hq]

Merging this PR will improve performance by 9.11%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 2 improved benchmarks
✅ 70 untouched benchmarks
⏩ 129 skipped benchmarks¹

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
⚡	request[RegExpBenchmark]	4.5 ms	4.1 ms	+9.58%
⚡	simpleStringBody[Response]	24.3 µs	22.4 µs	+8.65%

Tip

Curious why this is faster? Comment @codspeedbot explain why this is faster on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing apeacock/STOR-5552 (6454b32) with main (5ef8a1f)²}

Footnotes

1. 129 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

2. No successful run was found on main (7739c5e) during the generation of this report, so 5ef8a1f was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩