Exploring `columnar` simplification#685

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frankmcsherry wants to merge 3 commits intoTimelyDataflow:master-nextfrom

frankmcsherry:worktree-columnar-simplify

Commits on Mar 16, 2026

Require Columnar for all data types, simplify trait hierarchy

frankmcsherry
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claude
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Fix clippy: replace todo!() with container-based map_times, clean imports

frankmcsherry
and
claude
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Fix workspace crates for columnar migration

frankmcsherry
and
claude
committed