Add detailed design for EXPLAIN COPY patch series (0001-0003)#4

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shinyaaa wants to merge 9 commits into

claude/explain-copy-from-timing-4unobo

Commits on Jul 8, 2026

Add detailed design for EXPLAIN COPY patch series (0001-0003)
claude
committed
Split refactoring into its own patch; restructure series as 0001-0004
claude
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Commits on Jul 9, 2026

Design the start/stop instrumentation API for COPY FROM timing
claude
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Document rationale for extending EXPLAIN rather than adding COPY (VERBOSE)
claude
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Expand anticipated objections in the design rationale
claude
committed