Hide AI recommendation from results view; keep DB capture

AI text is still generated and saved to calc_submissions for internal
follow-up, but no longer displayed to the user — keeps the detailed
analysis behind the product sign-up wall.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

index.html

@@ -532,10 +532,8 @@
           </div>
         </div>
 
-        <div class="calc-ai-bubble">
-          <span class="ai-label">✦ HOA LedgerIQ AI Estimate</span>
-          <p id="calcAiText"></p>
-        </div>
+        <!-- AI text captured to DB only — not displayed -->
+        <p id="calcAiText" style="display:none"></p>
 
         <div class="calc-refine-blurb">
           <span class="calc-refine-icon">⚙</span>