fix: resolve CI test failures

- Added missing fixtures for api_snapshot tests in conftest.py
- Added PYTHONPATH to CI workflow for module discovery

tests/conftest.py

@@ -20,14 +20,14 @@ def temp_dir():
 def sample_package_json():
     """Create a sample package.json file content."""
     return """{
-    \"name\": \"test-project\",
-    \"version\": \"1.0.0\",
-    \"dependencies\": {
-        \"express\": \"4.18.2\",
-        \"lodash\": \"4.17.20\"
+    "name": "test-project",
+    "version": "1.0.0",
+    "dependencies": {
+        "express": "4.18.2",
+        "lodash": "4.17.20"
     },
-    \"devDependencies\": {
-        \"jest\": \"29.7.0\"
+    "devDependencies": {
+        "jest": "29.7.0"
     }
 }"""
 
@@ -61,13 +61,13 @@ def sample_cargo_toml():
     """Create a sample Cargo.toml file content."""
     return """
 [package]
-name = \"my-project\"
-version = \"0.1.0\"
-edition = \"2021\"
+name = "my-project"
+version = "0.1.0"
+edition = "2021"
 
 [dependencies]
-serde = \"1.0\"
-tokio = \"1.36\"
+serde = "1.0"
+tokio = "1.36"
 """
 
 
@@ -135,3 +135,103 @@ def sample_outdated_dependencies():
 def empty_scan_result():
     """Create an empty scan result."""
     return ScanResult()
+
+
+@pytest.fixture
+def sample_request():
+    """Create a sample recorded request."""
+    from api_snapshot.recorder.recorder import RecordedRequest
+    return RecordedRequest(
+        method="GET",
+        url="https://api.example.com/users",
+        headers={"Accept": "application/json"},
+        body=None,
+    )
+
+
+@pytest.fixture
+def sample_response():
+    """Create a sample recorded response."""
+    from api_snapshot.recorder.recorder import RecordedResponse
+    return RecordedResponse(
+        status_code=200,
+        headers={"Content-Type": "application/json"},
+        body='{"success": true}',
+        latency_ms=150,
+    )
+
+
+@pytest.fixture
+def sample_pair(sample_request, sample_response):
+    """Create a sample request-response pair."""
+    from api_snapshot.recorder.recorder import RequestResponsePair
+    return RequestResponsePair(
+        request=sample_request,
+        response=sample_response,
+    )
+
+
+@pytest.fixture
+def sample_snapshot(sample_pair):
+    """Create a sample snapshot."""
+    from api_snapshot.snapshot.manager import Snapshot, SnapshotMetadata
+    meta = SnapshotMetadata(description="Test snapshot")
+    return Snapshot(metadata=meta, requests=[sample_pair])
+
+
+@pytest.fixture
+def sample_snapshot_dict():
+    """Create a sample snapshot dictionary."""
+    return {
+        "metadata": {
+            "version": "1.0",
+            "timestamp": "2024-01-01T00:00:00",
+            "description": "Test snapshot",
+            "source_url": "https://api.example.com",
+            "latency_mode": "original",
+            "custom_latency_ms": None,
+            "tags": []
+        },
+        "requests": [
+            {
+                "request": {
+                    "method": "GET",
+                    "url": "https://api.example.com/users",
+                    "headers": {"Accept": "application/json"},
+                    "body": None,
+                    "timestamp": "2024-01-01T00:00:00"
+                },
+                "response": {
+                    "status_code": 200,
+                    "headers": {"Content-Type": "application/json"},
+                    "body": '{"success": true}',
+                    "latency_ms": 150
+                }
+            }
+        ]
+    }
+
+
+@pytest.fixture
+def snapshot_manager(temp_dir):
+    """Create a snapshot manager with a test snapshot."""
+    from api_snapshot.snapshot.manager import SnapshotManager
+    manager = SnapshotManager(temp_dir)
+    return manager
+
+
+@pytest.fixture
+def snapshot_file(temp_dir, sample_pair):
+    """Create a snapshot file for testing."""
+    from api_snapshot.snapshot.manager import SnapshotManager
+    import json
+
+    manager = SnapshotManager(temp_dir)
+    manager.save_snapshot(
+        name="test_snapshot",
+        requests=[sample_pair, sample_pair],
+        description="Test snapshot"
+    )
+
+    path = manager._get_path("test_snapshot")
+    return path