[SPARK-56687][SQL] Support netChanges for DSv2 CDC streaming reads#55637

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gengliangwang:streamingCDC-netChanges

Commits on Apr 30, 2026

[SPARK-56686][SQL] Support streaming row-level CDC post-processing
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Address review: clarify streaming CDC watermark semantics and consolidate netChanges test
gengliangwang
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Expand Scaladoc on addStreamingRowLevelPostProcessing with plan diagrams and runtime walkthrough
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Commits on May 1, 2026