Function formatToolInput

internal/harness/claude/transcript.go:265–322

formatToolInput returns a compact one-line summary of a tool call's input.

(name string, raw json.RawMessage)

// formatToolInput returns a compact one-line summary of a tool call's input.
func formatToolInput(name string, raw json.RawMessage) string {
	var m map[string]interface{}
	if err := json.Unmarshal(raw, &m); err != nil {
		return string(raw)
	}

	switch name {
	case "Bash":
		if cmd, ok := m["command"].(string); ok {
			return "$ " + cmd
		}
	case "Read":
		if fp, ok := m["file_path"].(string); ok {
			parts := []string{fp}
			if off, ok := m["offset"].(float64); ok {
				parts = append(parts, fmt.Sprintf("offset=%d", int(off)))
			}
			if lim, ok := m["limit"].(float64); ok {
				parts = append(parts, fmt.Sprintf("limit=%d", int(lim)))
			}
			return strings.Join(parts, " ")
		}
	case "Write":
		if fp, ok := m["file_path"].(string); ok {
			return fp
		}
	case "Edit":
		if fp, ok := m["file_path"].(string); ok {
			return fp
		}
	case "Glob":
		if p, ok := m["pattern"].(string); ok {
			return p
		}
	case "Grep":
		if p, ok := m["pattern"].(string); ok {
			parts := []string{p}
			if path, ok := m["path"].(string); ok {
				parts = append(parts, "in "+path)
			}
			return strings.Join(parts, " ")
		}
	case "Agent":
		if desc, ok := m["description"].(string); ok {
			return desc
		}
		if prompt, ok := m["prompt"].(string); ok {
			return truncate(prompt, 120)
		}
	}

	// Fallback: compact JSON of the input.
	compact, err := json.Marshal(m)
	if err != nil {
		return string(raw)
	}
	return truncate(string(compact), 200)
}