Function findAgentUsageFile

pkg/cli/token_usage.go:349–378

findAgentUsageFile searches for agent_usage.json in the run directory.

(runDir string)

// findAgentUsageFile searches for agent_usage.json in the run directory.
func findAgentUsageFile(runDir string) string {
	primary := filepath.Join(runDir, agentUsageJSONPath)
	if fileutil.FileExists(primary) {
		tokenUsageLog.Printf("Found agent usage file at primary path: %s", primary)
		return primary
	}

	var found string
	if walkErr := filepath.Walk(runDir, func(path string, info os.FileInfo, err error) error {
		if err != nil {
			tokenUsageLog.Printf("walk error at %s: %v", path, err)
			return nil
		}
		if info == nil || info.IsDir() {
			return nil
		}
		if info.Name() == agentUsageJSONPath {
			found = path
			return filepath.SkipAll
		}
		return nil
	}); walkErr != nil && !errors.Is(walkErr, filepath.SkipAll) {
		fmt.Fprintln(os.Stderr, console.FormatWarningMessage(fmt.Sprintf("filesystem error walking %s: %v", runDir, walkErr)))
	}

	if found != "" {
		tokenUsageLog.Printf("Found agent usage file via walk: %s", found)
	}
	return found
}

// agentUsageEntry is the JSON structure written by parse_token_usage.cjs to
// /tmp/gh-aw/agent_usage.json.  It aggregates the total token counts for a run