feat: expose spark-compatible functions#1564

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timsaucer wants to merge 12 commits into

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timsaucer:feat/expose-spark-functions

Commits on May 30, 2026

feat: expose Spark-compatible functions (#1482)

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chore: drop unused borrow_deref_ref allows

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refactor: tighten spark_functions macros via expr_fn

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docs: clarify spark functions cover DataFrame API too

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docs: rewrite spark DataFrame intro for users

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docs: defer spark function list to API reference

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Merge branch 'main' into feat/expose-spark-functions
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test: replace spark doctest skips with verified examples

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refactor(spark): rename function params to match pyspark

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feat(spark): make pyspark-optional params optional

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refactor(spark): reshape varargs to match pyspark signatures

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docs(skills): cover the new spark function namespace

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