v2 rewrite (Claude version) - #1516

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nicoddemus wants to merge 9 commits into

pytest-dev:mainfrom

nicoddemus:claude-rewrite

Commits on Jul 21, 2026

Split pytest_asyncio/plugin.py into focused internal modules

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Replace Item-subclass collection/dispatch with pure hooks

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Remove event_loop_policy fixture; fail loudly if one is still defined

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Remove deprecated scope= marker kwarg alias

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Add PytestAsyncioLoopScopeMismatchWarning for loop-scope mismatches (#1514)

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Add v2 migration guide and changelog fragments

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Tighten _classify_async_function/_synchronization_target return types

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Fix pre-commit: shed formatting + mypy errors

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]Fix expected warning message
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