18: tests, fixes

COBY/monitoring/__init__.py

@@ -2,16 +2,5 @@
 Performance monitoring and optimization module.
 """
 
-from .metrics_collector import MetricsCollector
-from .performance_monitor import PerformanceMonitor
-from .memory_monitor import MemoryMonitor
-from .latency_tracker import LatencyTracker
-from .alert_manager import AlertManager
-
-__all__ = [
-    'MetricsCollector',
-    'PerformanceMonitor', 
-    'MemoryMonitor',
-    'LatencyTracker',
-    'AlertManager'
-]
+# Simplified imports to avoid circular dependencies
+__all__ = []