Function buildEnhancedErrorMessage

web/src/llm-api/openrouter.ts:854–868

* Builds an enhanced error message that includes provider metadata when available.

(
  baseMessage: string,
  metadata?: { raw?: string; provider_name?: string },
)

 * Builds an enhanced error message that includes provider metadata when available.
 */
function buildEnhancedErrorMessage(
  baseMessage: string,
  metadata?: { raw?: string; provider_name?: string },
): string {
  if (!metadata?.raw) {
    return baseMessage
  }
  const providerLabel = metadata.provider_name ?? 'Provider details'
  const maxRawLength = 1000
  const truncatedRaw =
    metadata.raw.length > maxRawLength
      ? metadata.raw.slice(0, maxRawLength) + '...'
      : metadata.raw
  return `${baseMessage} [${providerLabel}: ${truncatedRaw}]`
}

/**
 * Parses an error response from OpenRouter and returns an OpenRouterError.