chore(pyoaev): compatibility support Python 3.14 (#337)

[Ferdinand (guzmud)]

Proposed changes

• Adapted for Python 3.14: used get_type_hints(type(self)) instead of self.__annotations__ to maintain compatibility with the new annotation handling introduced in Python 3.14 and to use the introspection API recommended by Python.

Testing Instructions

1. Step-by-step how to test
2. Environment or config notes

Related issues

• Closes chore(compatibility): support Python 3.14 annotation changes #337

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality
• For bug fix -> I implemented a test that covers the bug

Further comments

[Filigran Automation (Filigran-Automation)]

🤖 [AI-generated]

Hey Ferdinand (@guzmud)! 👋 Thanks a lot for opening PR #339 — really appreciate the contribution, especially getting ahead of Python 3.14 compatibility! 🙏

I just had a quick look and I think the description could be enhanced a little to help reviewers get through it faster. I haven't changed anything in your description — just a gentle suggestion:

Area	What could help	Suggestion
Proposed changes	The section is still empty (just two bare bullet points)	A couple of lines on what changed, e.g. switching from __annotations__ to typing.get_type_hints() in pyoaev/base.py
Testing Instructions	Still the placeholder text ("Step-by-step how to test")	A quick note on how this was verified (e.g. tested under Python 3.14, existing test suite still passing)
Related issues	Still the placeholder Closes #ISSUE-NUMBER	Replace with the actual reference, e.g. Closes #337, so it's explicit in the description too
Checklist	All items still unchecked	Check off what applies once ready

💡 If helpful, the contribution conventions walk through what to include.

No rush at all — thanks again for contributing to the project! 🚀

[Copilot]

Pull request overview

Updates pyoaev’s manager auto-creation logic to stay compatible with Python 3.14’s annotation handling changes by switching to the supported introspection API (typing.get_type_hints) instead of relying on instance __annotations__.

Changes:

• Import get_type_hints from typing.
• Use get_type_hints(type(self)) to retrieve annotations when creating managers.

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