[Backport stable-25-3] PR #35255: Fix bad variant access to NodeWardenStorageConfig response

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Changelog entry

Fix bad variant access to NodeWardenStorageConfig response: Fix bad variant access to NodeWardenStorageConfig response

Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

Original PR(s)

• PR Fix bad variant access to NodeWardenStorageConfig response #35255

Metadata

• Original PR author(s): @mregrock
• Cherry-picked by: @mregrock
• Related issues: None

Git Cherry-Pick Log

=== Cherry-picking 0db6165 ===
Auto-merging ydb/core/health_check/health_check.cpp
[cherry-pick-stable-25-3-260303-090403 cfb710b1356] Fix bad variant access to NodeWardenStorageConfig response (#35255)
 Author: mregrock <mregrock@ydb.tech>
 Date: Mon Mar 2 19:53:24 2026 +0300
 1 file changed, 2 insertions(+), 2 deletions(-)

---

PR was created by cherry-pick workflow run

[github-actions]

⚪ 2026-03-03 09:05:43 UTC Pre-commit check linux-x86_64-relwithdebinfo for 65e0dc4 has started.
⚪ 2026-03-03 09:05:59 UTC Artifacts will be uploaded here
⚪ 2026-03-03 09:09:34 UTC ya make is running...
🟡 2026-03-03 10:43:13 UTC Some tests failed, follow the links below. Going to retry failed tests...

Details

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
39424	36730	0	9	2660	25

⚪ 2026-03-03 10:43:22 UTC ya make is running... (failed tests rerun, try 2)
🟢 2026-03-03 11:03:34 UTC Tests successful.

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
806 (only retried tests)	781	0	0	1	24

🟢 2026-03-03 11:03:37 UTC Build successful.
🟢 2026-03-03 11:03:58 UTC ydbd size 2.3 GiB changed* by -384 Bytes, which is <= 0 Bytes vs stable-25-3: OK

ydbd size dash	stable-25-3: bde5e6a	merge: 65e0dc4	diff	diff %
ydbd size	2 416 633 568 Bytes	2 416 633 184 Bytes	-384 Bytes	-0.000%
ydbd stripped size	515 057 000 Bytes	515 056 936 Bytes	-64 Bytes	-0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

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[github-actions]

🟢 2026-03-03 09:06:32 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2026-03-03 09:06:32 UTC Pre-commit check linux-x86_64-release-asan for 65e0dc4 has started.
⚪ 2026-03-03 09:06:48 UTC Artifacts will be uploaded here
⚪ 2026-03-03 09:10:31 UTC ya make is running...
🟡 2026-03-03 11:23:38 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
16113	15591	0	222	276	24

🟢 2026-03-03 11:24:11 UTC Build successful.
🟢 2026-03-03 11:24:45 UTC ydbd size 3.7 GiB changed* by -320 Bytes, which is <= 0 Bytes vs stable-25-3: OK

ydbd size dash	stable-25-3: bde5e6a	merge: 65e0dc4	diff	diff %
ydbd size	4 022 309 176 Bytes	4 022 308 856 Bytes	-320 Bytes	-0.000%
ydbd stripped size	1 498 486 272 Bytes	1 498 486 144 Bytes	-128 Bytes	-0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}