エラーハンドリング

const result = await capability.execute(args, { idempotencyKey });

if (result.isError) {
  const text = result.content.map((part) => part.text).join('\n');
  // return the text to the model as the tool result
}

import {
  VinkiusError,
  AuthError,
  RateLimitError,
  QuotaError,
  ConnectorNotConnectedError,
} from '@vinkius/connect';

try {
  const result = await capability.execute(args, { idempotencyKey });
  if (result.isError) {
    // connector-level failure: feed result.content back to the model
  }
} catch (error) {
  if (error instanceof ConnectorNotConnectedError) {
    // send the user through the connector setup flow
  } else if (error instanceof RateLimitError) {
    // back off using the response's retry information
  } else if (error instanceof QuotaError || error instanceof OverageError) {
    // plan limit reached: surface an upgrade path
  } else if (error instanceof AuthError) {
    // application key rejected: check rotation and environment
  } else if (error instanceof VinkiusError) {
    // any other API error
  } else {
    // hooks can throw their own errors; keep an unknown branch
  }
}

const key = `create-issue:${operationId}`;
if (!key.trim()) throw new Error('idempotency key required');

try {
  // ...
} catch (error) {
  if (error instanceof VinkiusError) {
    logger.error({ code: error.code, status: error.status, requestId: error.requestId });
  }
  throw error;
}