refactor: remove Python <3.13 compatibility code

Author: S1M0N38

src/balatrobench/extractor.py

@@ -3,10 +3,7 @@
 import json
 from collections.abc import Iterator
 from pathlib import Path
-from typing import TYPE_CHECKING, Any
-
-if TYPE_CHECKING:
-    from typing import Literal
+from typing import Any, Literal
 
 from .models import Request
 

tests/conftest.py

@@ -1,14 +1,10 @@
 """Shared pytest fixtures for balatrobench tests."""
 
-from __future__ import annotations
-
 from pathlib import Path
-from typing import TYPE_CHECKING
 
 import pytest
 
-if TYPE_CHECKING:
-    from balatrobench.models import Model, Stats, Strategy
+from balatrobench.models import Model, Stats, Strategy
 
 
 @pytest.fixture

tests/integration/test_analysis_pipeline.py

@@ -4,8 +4,6 @@
 produces correct output structures.
 """
 
-from __future__ import annotations
-
 from pathlib import Path
 
 import pytest

tests/integration/test_full_benchmark.py

@@ -3,8 +3,6 @@
 Tests the complete CLI → BenchmarkAnalyzer → BenchmarkWriter output flow.
 """
 
-from __future__ import annotations
-
 import json
 from pathlib import Path
 

tests/unit/test_analyzer.py

@@ -1,9 +1,6 @@
 """Unit tests for balatrobench.analyzer module."""
 
-from __future__ import annotations
-
 from pathlib import Path
-from typing import TYPE_CHECKING
 from unittest.mock import patch
 
 import pytest
@@ -19,10 +16,6 @@
     Strategy,
 )
 
-if TYPE_CHECKING:
-    pass
-
-
 # =============================================================================
 # Fixtures
 # =============================================================================

tests/unit/test_extractor.py

@@ -1,7 +1,5 @@
 """Unit tests for balatrobench.extractor module."""
 
-from __future__ import annotations
-
 import json
 from pathlib import Path