Update Arrow IPC section with PoC findings#41
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The experiment/arrow-message-payload branch validates the zero-copy claim. Add smoke-test results, the corrected data flow (one hop, not two), and document the duckdb_arrow_stream ABI gotcha and buffer lifetime invariant.
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Summary
WICKED_COOL_NEXT_STEPS.mdwith validated results from theexperiment/arrow-message-payloadbranchduckdb_arrow_streamABI gotcha (guaranteed segfault if you pass a wrapper struct) and buffer lifetime invariantTest plan