Skip performance tests by default

- Add 'performance' marker to pytest.ini
- Add pytestmark to test_cache_performance.py
- Use -m 'not performance' by default in addopts
- Allows manual execution with 'pytest -m performance'

pytest.ini

@@ -1,5 +1,5 @@
 [pytest]
-addopts = -v --import-mode=importlib
+addopts = -v --import-mode=importlib -m "not performance"
 testpaths = tests
 python_files = test_*.py
 python_classes = Test*
@@ -12,5 +12,6 @@ markers =
     asyncio: execute test within asyncio event loop
     no_settings_dir_isolation: allow tests to use real settings paths
     integration: integration tests requiring external resources
+    performance: performance benchmarks (slow, skip by default)
 # Skip problematic directories to avoid import conflicts
 norecursedirs = .git .tox dist build *.egg __pycache__ py .hypothesis

tests/performance/test_cache_performance.py

@@ -14,12 +14,17 @@ from py.services.model_hash_index import ModelHashIndex
 from py.utils.utils import fuzzy_match, calculate_recipe_fingerprint
 
 
+pytestmark = pytest.mark.performance
+
+
 class TestHashIndexPerformance:
     """Performance benchmarks for hash index operations."""
 
     def test_hash_index_lookup_small(self, benchmark):
         """Benchmark hash index lookup with 100 models."""
-        index, target_hash = self._create_hash_index_with_n_models(100, return_target=True)
+        index, target_hash = self._create_hash_index_with_n_models(
+            100, return_target=True
+        )
 
         def lookup():
             return index.get_path(target_hash)
@@ -29,7 +34,9 @@ class TestHashIndexPerformance:
 
     def test_hash_index_lookup_medium(self, benchmark):
         """Benchmark hash index lookup with 1,000 models."""
-        index, target_hash = self._create_hash_index_with_n_models(1000, return_target=True)
+        index, target_hash = self._create_hash_index_with_n_models(
+            1000, return_target=True
+        )
 
         def lookup():
             return index.get_path(target_hash)
@@ -39,7 +46,9 @@ class TestHashIndexPerformance:
 
     def test_hash_index_lookup_large(self, benchmark):
         """Benchmark hash index lookup with 10,000 models."""
-        index, target_hash = self._create_hash_index_with_n_models(10000, return_target=True)
+        index, target_hash = self._create_hash_index_with_n_models(
+            10000, return_target=True
+        )
 
         def lookup():
             return index.get_path(target_hash)
@@ -94,7 +103,7 @@ class TestHashIndexPerformance:
 
     def _random_string(self, length: int) -> str:
         """Generate a random string of fixed length."""
-        return ''.join(random.choices(string.ascii_lowercase + string.digits, k=length))
+        return "".join(random.choices(string.ascii_lowercase + string.digits, k=length))
 
 
 class TestFuzzyMatchPerformance: