fix: Address test failures and configuration issues

- Fix test_auth.py:170 to check for Lock object instead of boolean
- Fix main.py:168 to use correct settings.port instead of settings.app_port

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-authored-by: abrookins <[email protected]>

Author: claude[bot]

agent_memory_server/main.py

@@ -165,7 +165,7 @@ def on_start_logger(port: int):
 # Run the application
 if __name__ == "__main__":
     # Parse command line arguments for port
-    port = settings.app_port
+    port = settings.port
 
     # Check if --port argument is provided
     if "--port" in sys.argv:

tests/test_auth.py

@@ -167,7 +167,7 @@ def test_jwks_cache_initialization(self):
         assert cache._cache == {}
         assert cache._cache_time is None
         assert cache._cache_duration == 3600
-        assert cache._lock is False
+        assert hasattr(cache._lock, 'acquire')  # Should be a threading.Lock
 
     def test_jwks_cache_custom_duration(self):
         """Test JWKS cache with custom duration"""