Enforce subscription barrier for standby snapshot sync#436

Merged

MrGuin merged 14 commits intomainfrom

fix_standby_msg

Mar 16, 2026

Commits on Mar 16, 2026

feat(tx_service): add ActiveTxMaxTs aggregation request and candidate-aware forward-entry creation
MrGuin
committed
docs(cursor_knowledge): split standby snapshot barrier docs into design and implementation (EN/ZH)
MrGuin
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feat(snapshot_manager): add subscription barrier registry APIs
MrGuin
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refactor(snapshot_manager): extend pending snapshot task to carry barrier state
MrGuin
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feat(snapshot_sync): enforce subscription barrier when syncing standby snapshot
MrGuin
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fix(snapshot_sync): complete standby cleanup paths
MrGuin
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refactor(standby): move barrier registration to reset and drop candidate forward-entry path
MrGuin
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chore(standby): downgrade missing forward-entry alert to warning
MrGuin
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fix(snapshot): drop superseded pending sync tasks and ignore stale barriers
MrGuin
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fix(standby): rollback local follow state when reset is rejected
MrGuin
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refactor(snapshot): gate standby sync by current checkpoint ts
MrGuin
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docs(standby): align snapshot barrier docs with latest implementation
MrGuin
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format
MrGuin
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update doc
MrGuin
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