Function logModeDecision

src/utils/searchExtraTools.ts:306–327

(
    enabled: boolean,
    mode: SearchExtraToolsMode,
    reason: string,
    extraProps?: Record<string, number>,
  )

  // Helper to log the mode decision event
  function logModeDecision(
    enabled: boolean,
    mode: SearchExtraToolsMode,
    reason: string,
    extraProps?: Record<string, number>,
  ): void {
    logEvent('tengu_search_extra_tools_mode_decision', {
      enabled,
      mode: mode as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
      reason:
        reason as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
      // Log the actual model being checked, not the session's main model.
      // This is important for debugging subagent tool search decisions where
      // the subagent model (e.g., haiku) differs from the session model (e.g., opus).
      checkedModel:
        model as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
      mcpToolCount,
      userType: (process.env.USER_TYPE ??
        'external') as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
      ...extraProps,
    })
  }

  // Tool search is enabled uniformly regardless of provider or model.
  // All providers use self-built TF-IDF + keyword search via SearchExtraToolsTool + ExecuteExtraTool.