[FLINK-40209][checkpoint] Introduce Regional Checkpoint core mechanism and notification dispatch - #28963

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Commits on Aug 13, 2026

[FLINK-40209][checkpoint] Define Regional Checkpoint interfaces, configuration and refCheckpointId infrastructure
raoraoxiong
committed
c207e8e
[FLINK-40209][checkpoint] Implement Regional Checkpoint core logic and SourceCoordinator fallback
raoraoxiong
committed
a30e677
[FLINK-40209][checkpoint] Implement regional checkpoint notification dispatch and local state cleanup
raoraoxiong
committed
d79bacb