Add more type annotations.

[Nikratio]

No description provided.

[Copilot]

Pull request overview

This PR adds comprehensive type annotations to test files and examples, improving code clarity and enabling better static type checking. The changes primarily add type hints to function parameters and return types, update import statements to include specific types from pyfuse3, and make some minor refactoring improvements.

Key changes:

• Added type annotations to all major functions in test utilities and example filesystem implementations
• Updated imports to explicitly import pyfuse3 types (EntryAttributes, FileHandleT, InodeT, RequestContext, etc.)
• Refactored some code for better consistency with type annotations (e.g., umount function variable usage, waited initialization)

Reviewed changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
test/util.py	Added Process type alias and type annotations to utility functions; refactored umount to access exitcode directly
test/test_rounding.py	Updated imports to explicitly import EntryAttributes
test/test_fs.py	Added type annotations to Fs class methods; updated getattr calls to pass ctx parameter
test/test_api.py	Updated imports to explicitly import pyfuse3 types
test/pytest_checklogs.py	Added type annotations to logging handler and utility functions
examples/tmpfs.py	Added comprehensive type annotations to Operations class; replaced getattr call with direct database query in release method
examples/passthroughfs.py	Added comprehensive type annotations; added type-aware handling for root path (str vs set); improved variable naming (name_str, target_str)
examples/hello_asyncio.py	Added type annotations to TestFs class methods and utility functions
examples/hello.py	Added type annotations to TestFs class methods and utility functions

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