Introduce `malloc` module and enhance COM memory management tests.#899

Merged

junkmd merged 7 commits intoenthought:mainfrom

junkmd:add_malloc_module

Jan 10, 2026

Commits on Jan 10, 2026

refactor: Revert `test_from_outparam.py` to `test_outparam.py`.
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refactor: Eliminate duplicated `IMalloc` definitions and related utilities.
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test: Add tests for `IMalloc.Realloc` in `test_malloc.py`.
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test: Add `test_SHGetKnownFolderPath` to `test_malloc.py`.
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refactor: Centralize `_CoTaskMemFree` import to `malloc.py`.
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feat: Add type hints for `IMalloc` methods in `malloc.py`.
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fix: Adjust `test_malloc.py` for `IMalloc.Realloc` non-deterministic behavior.
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