normalize method

@override NormalizedMessage normalize(Map<String, dynamic> providerResponse, String provider)

Normalizes a raw providerResponse map from the given provider into a NormalizedMessage.

Supported providers: 'anthropic', 'openai', 'gemini'. Unknown providers fall back to plain text extraction.

Implementation

@override
NormalizedMessage normalize(
  Map<String, dynamic> providerResponse,
  String provider,
) {
  switch (provider.toLowerCase()) {
    case 'anthropic':
      return _normalizeAnthropic(providerResponse);
    case 'openai':
      return _normalizeOpenAI(providerResponse);
    case 'gemini':
      return _normalizeGemini(providerResponse);
    default:
      return _normalizeFallback(providerResponse, provider);
  }
}