Method register

src/lib/FancyError.ts:80–82

* Register an error template by ID. * IDs follow the convention: type:identifier:error_id (snake_case) * Examples: * - action:jump:label_not_found * - component:language_selection_screen:metadata_not_found * - engine:translation:key_not_found

(id: string, template: ErrorTemplate)

	 *   - engine:translation:key_not_found
	 */
	static register (id: string, template: ErrorTemplate): void {
		FancyError.registry.set(id, template);
	}

	/**
	 * Interpolate placeholders in a string with context values.