test: peer tests for size-balanced partitioner#16
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End-to-end distributed tests using :peer for the size-balanced partitioner: skewed file correctness, filter+group_by, AVG+STDDEV numerical accuracy, DuckLake file list simulation, and single-file replication edge case. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
:peer-based distributed tests for the size-balanced partitionerTests added
{:ducklake_files, paths}source distributes and reads correctlyTest plan
mix test --include distributed test/dux/partitioner_peer_test.exs— 5 tests, 0 failuresmix check— 578 non-distributed tests pass, Credo clean🤖 Generated with Claude Code