refactor(backend): Split the checkBusinessWithBizID function into sin…#15843

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ylgeeker wants to merge 5 commits intoTencentBlueKing:v1.5.0from

ylgeeker:feat/dbha-v2-strategy-workflow/#15826

Commits on Jan 29, 2026

refactor(backend): Split the checkBusinessWithBizID function into single-responsibility atomic functions. issue: #15826
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refactor(backend): Extract FailureCollector and use group-based switcher request. issue: #15826
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Commits on Feb 3, 2026

feat(backend): workflow failure collection, strategy matching, and sliding window. issue: #15826
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refactor(backend): Split the workflow into some separate logic. issue: #15826
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Commits on Feb 4, 2026

feat(backend): Return read-only watch chan, use self prefix for workflow, extract etcd key consts. issue: #15826
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