Add optional binary store compression support to CStoreHelper#145

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copilot/fix-aadb0244-0d9b-4f8d-adf8-aa2be3a57190

Commits on Sep 30, 2025

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Implement binary store compression support in CStoreHelper

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jakesmith
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Address review feedback: use unsigned flags, remove default params, fix compression code structure

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jakesmith
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