feat: add SelectExprTrait for ergonomic alias and window chaining#1040

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yuly3 wants to merge 2 commits intoSeaQL:masterfrom

yuly3:issue-344

Commits on Jan 11, 2026

feat(query): add SelectExprTrait for ergonomic alias and window chaining
yuly3
committed
refactor: replace window/window_name API with unified over method
yuly3
committed