Fix/consensus/ add node after stall

[Mododo]

Pull Request Checklist

NODE CONFIGURATION MODEL CHANGES

None

BLOCKCHAIN CONFIGURATION MODEL CHANGES

None

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COMPATIBILITY

Full

SPECIAL DEPLOYMENT ACTIONS

• rustup update stable for 1.91 msrv

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PERFORMANCE IMPACT

No impact expected

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TESTS

Unit Tests

No coverage

Network Tests

No coverage

Manual Tests

using network of 13 nodes
run transfers-30k for the whole test duration
stop 4 nodes (10-13 for example), let them lag for 5 minutes
stop one more node, so consensus stalls as expected
start any of the lagged nodes, wait for it to sync
expect it to join the quorum so consensus advances

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Notes/Additional Comments:

[github-actions]

🧪 Network Tests

To run network tests for this PR, use:

gh workflow run network-tests.yml -f pr_number=1016

Available test options:

• Run all tests: gh workflow run network-tests.yml -f pr_number=1016
• Run specific test: gh workflow run network-tests.yml -f pr_number=1016 -f test_selection=ping-pong

Test types: destroyable, ping-pong, one-to-many-internal-messages, fq-deploy, nft-index, persistent-sync

Results will be posted as workflow runs in the Actions tab.

[codecov]

Codecov Report

❌ Patch coverage is 41.23711% with 114 lines in your changes missing coverage. Please review.
✅ Project coverage is 54.29%. Comparing base (34faef4) to head (e8b0421).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
consensus/src/intercom/broadcast/collector.rs	0.00%	32 Missing ⚠️
consensus/src/engine/committer_task.rs	0.00%	27 Missing ⚠️
consensus/src/dag/commit/mod.rs	51.92%	23 Missing and 2 partials ⚠️
consensus/src/engine/impl_.rs	0.00%	9 Missing ⚠️
consensus/src/models/point_key.rs	44.44%	5 Missing ⚠️
collator/src/mempool/impls/common/cache.rs	0.00%	4 Missing ⚠️
...c/mempool/impls/single_node_impl/anchor_handler.rs	0.00%	3 Missing ⚠️
consensus/src/dag/commit/back.rs	75.00%	2 Missing and 1 partial ⚠️
...lator/src/mempool/impls/std_impl/anchor_handler.rs	0.00%	2 Missing ⚠️
consensus/src/test_utils/anchor_consumer.rs	0.00%	2 Missing ⚠️
... and 2 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1016      +/-   ##
==========================================
- Coverage   54.35%   54.29%   -0.07%     
==========================================
  Files         403      403              
  Lines       67714    67753      +39     
  Branches    67714    67753      +39     
==========================================
- Hits        36805    36784      -21     
- Misses      29091    29142      +51     
- Partials     1818     1827       +9     

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