stable-25-3-1: cherry-pick PR 28195, PR 28404

[ydbot]

Cherry-pick:

• PR fix stuck reassign actor #28195
• PR test for invalid reassign #28404

PR was created by cherry-pick workflow run

[github-actions]

🟢 2025-11-13 11:26:40 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-11-13 11:27:40 UTC Pre-commit check linux-x86_64-relwithdebinfo for 4d32f7e has started.
⚪ 2025-11-13 11:27:56 UTC Artifacts will be uploaded here
⚪ 2025-11-13 11:31:40 UTC ya make is running...
🟡 2025-11-13 13:07:45 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
38285	35607	0	9	2650	19

⚪ 2025-11-13 13:10:55 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-11-13 13:27:52 UTC Tests successful.

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
582 (only retried tests)	564	0	0	0	18

🟢 2025-11-13 13:28:01 UTC Build successful.
🟢 2025-11-13 13:28:20 UTC ydbd size 2.3 GiB changed* by +216 Bytes, which is < 100.0 KiB vs stable-25-3-1: OK

ydbd size dash	stable-25-3-1: 7860ed1	merge: 4d32f7e	diff	diff %
ydbd size	2 435 780 088 Bytes	2 435 780 304 Bytes	+216 Bytes	+0.000%
ydbd stripped size	521 636 008 Bytes	521 636 008 Bytes	0 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}

[github-actions]

⚪ 2025-11-13 11:27:59 UTC Pre-commit check linux-x86_64-release-asan for 4d32f7e has started.
⚪ 2025-11-13 11:28:15 UTC Artifacts will be uploaded here
⚪ 2025-11-13 11:31:51 UTC ya make is running...
🟡 2025-11-13 13:38:37 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?
15607	15073	0	177	340	17

🟢 2025-11-13 13:39:54 UTC Build successful.
🟢 2025-11-13 13:40:19 UTC ydbd size 3.8 GiB changed* by +4.2 KiB, which is < 100.0 KiB vs stable-25-3-1: OK

ydbd size dash	stable-25-3-1: 7860ed1	merge: 4d32f7e	diff	diff %
ydbd size	4 053 173 608 Bytes	4 053 177 864 Bytes	+4.2 KiB	+0.000%
ydbd stripped size	1 510 644 512 Bytes	1 510 648 608 Bytes	+4.0 KiB	+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}

[github-actions]

⚪ 2025-11-14 10:24:47 UTC Pre-commit check linux-x86_64-relwithdebinfo for fe3db3b has started.
⚪ 2025-11-14 10:25:02 UTC Artifacts will be uploaded here
⚪ 2025-11-14 10:28:40 UTC ya make is running...
🟡 2025-11-14 11:56:06 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
38286	35601	0	16	2650	19

⚪ 2025-11-14 11:59:09 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-11-14 12:19:22 UTC Tests successful.

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
586 (only retried tests)	566	0	0	1	19

🟢 2025-11-14 12:19:31 UTC Build successful.
🟢 2025-11-14 12:19:47 UTC ydbd size 2.3 GiB changed* by +208 Bytes, which is < 100.0 KiB vs stable-25-3-1: OK

ydbd size dash	stable-25-3-1: 3db0f33	merge: fe3db3b	diff	diff %
ydbd size	2 435 920 736 Bytes	2 435 920 944 Bytes	+208 Bytes	+0.000%
ydbd stripped size	521 660 200 Bytes	521 660 200 Bytes	0 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}

[github-actions]

⚪ 2025-11-14 10:25:18 UTC Pre-commit check linux-x86_64-release-asan for fe3db3b has started.
⚪ 2025-11-14 10:25:34 UTC Artifacts will be uploaded here
⚪ 2025-11-14 10:29:12 UTC ya make is running...
🟡 2025-11-14 12:36:21 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?
15608	15048	0	193	349	18

🟢 2025-11-14 12:37:41 UTC Build successful.
🟢 2025-11-14 12:38:05 UTC ydbd size 3.8 GiB changed* by +96 Bytes, which is < 100.0 KiB vs stable-25-3-1: OK

ydbd size dash	stable-25-3-1: 3db0f33	merge: fe3db3b	diff	diff %
ydbd size	4 053 419 440 Bytes	4 053 419 536 Bytes	+96 Bytes	+0.000%
ydbd stripped size	1 510 725 152 Bytes	1 510 725 088 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}