useAgentData.js

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import { useState, useEffect } from 'react';
import { apiFetch } from '../lib/api';
 
export function useAgentData(agentId) {
  const [agent, setAgent] = useState(null);
  const [loading, setLoading] = useState(false);
  const [error, setError] = useState(null);
 
  useEffect(() => {
    if (!agentId) return;
    setLoading(true);
    setError(null);
    apiFetch(`/agent/${agentId}`, {
      credentials: 'include',
    })
      .then(res => {
        if (!res.ok) throw new Error('Agent not found');
        return res.json();
      })
      .then(data => {
        setAgent(data);
        setError(null);
      })
      .catch(err => {
        setAgent(null);
        setError(err.message || 'Failed to load agent');
      })
      .finally(() => setLoading(false));
  }, [agentId]);
 
  return { agent, loading, error };
}