* Auto-initializes on DOMContentLoaded. Reads embedded KB data from the page.
*
* Configuration (set window.RLL_ASSISTANT_CONFIG before this script loads):
* productName — Display name (e.g., "Trading Coach")
* productSlug — Kebab-case identifier (e.g., "trading-coach")
* suggestedQuestions — Array of starter question strings
* pricingInfo — { price: "$29", valueProposition: "..." }
* sections — Array of { name, keywords[] } for tab/section routing
*/
;(function (root) {
'use strict';
// ═══════════════════════════════════════════════════════════════════════════
// CSS — Injected as a 