Escapes string for HTML. Converts characters that have special meaning in HTML (such as <, >, &, and ") into their corresponding HTML entities so the string can be safely rendered as text content in an HTML document.
- Label: Source string
- Description: The input string to escape for safe embedding in HTML content.
- Required: Yes
- Default: None
- Constraints: None
Returns a STRING containing the HTML-escaped value with special characters replaced by HTML entities.
Throws BotCommandException on invalid input or internal failure.
