refactoring: ♻️ scope.py

[remimd]

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[Copilot]

Pull Request Overview

This PR refactors the scope management implementation in scope.py by replacing the previous _ScopeState class with a new ScopeState protocol and two concrete implementations for contextual and shared scopes. Key changes include updating import statements, redefining scope state classes with appropriate bindings, and modifying the get_scope and get_active_scopes functions to handle scope retrieval and binding more uniformly.

Comments suppressed due to low confidence (2)

injection/_core/scope.py:142

• Consider adding explicit type annotations for the parameters 'name' and 'default' in get_scope to align with the overloads and enhance type safety.

def get_scope(name, default=...):  # type: ignore[no-untyped-def]

injection/_core/scope.py:126

• [nitpick] The variable name 'active_scopes' in get_active_scopes may cause confusion with the active_scopes property; consider renaming it (e.g., 'scopes_iter') for improved clarity.

active_scopes = (