Function callSemanticDetectionApi

layers/foundation-scan.ts:280–326

(
  systemPrompt: string,
  userPrompt: string,
  llmContext: LlmCallContext,
  logger?: LoggerLike,
  maxContentLength: number = DEFAULT_MAX_SEMANTIC_INPUT_CHARS,
)

}

async function callSemanticDetectionApi(
  systemPrompt: string,
  userPrompt: string,
  llmContext: LlmCallContext,
  logger?: LoggerLike,
  maxContentLength: number = DEFAULT_MAX_SEMANTIC_INPUT_CHARS,
): Promise<Record<string, unknown> | null> {
  
  try {
    const controller = new AbortController();
    const timeoutId = setTimeout(() => controller.abort(), SEMANTIC_TIMEOUT_MS);

    const result = await completeSimple(
      llmContext.model,
      {
        systemPrompt,
        messages: [
          {
            role: "user",
            content: userPrompt,
            timestamp: Date.now(),
          },
        ],
      } as Context,
      {
        ...llmContext.options,
        temperature: 0,
      },
    );

    clearTimeout(timeoutId);

    const textContent = result.content.find((c) => c.type === "text");
    const content = textContent ? textContent.text : null;

    if (!content) {
      logger?.error(`[FoundationScan] Semantic detection call warning: empty response content`);
      return null;
    }

    return extractJsonObject(content);
  } catch (err) {
    const errorMessage = err instanceof Error ? err.message : String(err);
    logger?.error(`[FoundationScan] Semantic detection call failed: ${errorMessage}`);
    return null;
  }
}

function extractJsonObject(text: string): Record<string, unknown> | null {
  const trimmed = text.trim();