[SPARK-53332][SS] Enable StateDataSource with state checkpoint v2 (only snapshotStartBatchId option)#52202

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dylanwong250 wants to merge 12 commits intoapache:masterfrom

dylanwong250:SPARK-53332

Commits on Sep 2, 2025

Add snapshotStartBatchId w checkpoint v2
Dylan Wong
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Commits on Sep 3, 2025

Add tests for StateDataSourceReadSuite
Dylan Wong
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remove comment
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fix comments
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fix object val VERSION
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fix
Dylan Wong
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Fix version coming from maintence thread
Dylan Wong
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fix tests
Dylan Wong
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Commits on Sep 4, 2025

Checkpoint metadata version is 1
Dylan Wong
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fix
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metadata version always 1
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Fix tests
Dylan Wong
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