Refactor: Remove circuit breaker system

src/hooks/useCircuitBreakerStatus.ts

@@ -1,54 +0,0 @@
-import { useState, useEffect } from 'react';
-import { supabaseCircuitBreaker, CircuitState } from '@/lib/circuitBreaker';
-import { logger } from '@/lib/logger';
-
-export function useCircuitBreakerStatus() {
-  const [state, setState] = useState<CircuitState>(CircuitState.CLOSED);
-  const [failureCount, setFailureCount] = useState(0);
-  const [lastStateChange, setLastStateChange] = useState<Date>(new Date());
-
-  useEffect(() => {
-    // Check immediately on mount
-    const checkState = () => {
-      const currentState = supabaseCircuitBreaker.getState();
-      const currentFailures = supabaseCircuitBreaker.getFailureCount();
-      
-      setState(prevState => {
-        if (prevState !== currentState) {
-          setLastStateChange(new Date());
-          
-          // Log state changes for monitoring
-          logger.info('Circuit breaker state changed', {
-            from: prevState,
-            to: currentState,
-            failureCount: currentFailures
-          });
-          
-          // Emit custom event for other components
-          window.dispatchEvent(new CustomEvent('circuit-breaker-state-change', {
-            detail: { state: currentState, failureCount: currentFailures }
-          }));
-        }
-        return currentState;
-      });
-      
-      setFailureCount(currentFailures);
-    };
-
-    checkState();
-    
-    // Poll every 5 seconds
-    const interval = setInterval(checkState, 5000);
-    
-    return () => clearInterval(interval);
-  }, []);
-
-  return {
-    state,
-    failureCount,
-    lastStateChange,
-    isOpen: state === CircuitState.OPEN,
-    isHalfOpen: state === CircuitState.HALF_OPEN,
-    isClosed: state === CircuitState.CLOSED
-  };
-}