Method listModels

core/llm/llms/CometAPI.ts:266–316

* Override listModels method to apply model filtering with enhanced error handling

()

   * Override listModels method to apply model filtering with enhanced error handling
   */
  async listModels(): Promise<string[]> {
    try {
      const allModels = await super.listModels();
      const filteredModels = this.filterChatModels(
        allModels.map((id) => ({ id })),
      );

      // If filtered list is empty or very limited, return recommended models
      if (filteredModels.length < 5) {
        console.info(
          "CometAPI: Limited models available, using recommended set",
        );
        return this.getRecommendedModels();
      }

      return filteredModels.map((model) => model.id);
    } catch (error: any) {
      // Enhanced error handling with specific error types
      const errorMessage = error?.message || "Unknown error";
      const statusCode = error?.status || error?.statusCode;

      if (statusCode === 401) {
        throw new CometAPIAuthenticationError(
          "CometAPI authentication failed. Please check your API key.",
        );
      } else if (statusCode === 429) {
        throw new CometAPIQuotaExceededError(
          "CometAPI rate limit exceeded. Please try again later.",
        );
      } else if (statusCode >= 400 && statusCode < 500) {
        throw new CometAPIError(
          `CometAPI client error: ${errorMessage}`,
          "CLIENT_ERROR",
          statusCode,
        );
      } else if (statusCode >= 500) {
        console.warn(
          "CometAPI server error, falling back to recommended models:",
          errorMessage,
        );
        return this.getRecommendedModels();
      } else {
        // Network or other errors - fallback gracefully
        console.warn(
          "CometAPI: Failed to fetch model list, using recommended models",
          errorMessage,
        );
        return this.getRecommendedModels();
      }
    }
  }

  /**
   * Override chat completion with enhanced error handling