Fix Scripture Index doubled/unparseable refs, Titus passage fetch 400, Ko-fi QR 404, auto-load study comments; stop probe URLs inflating Real Hits, real 404 status for unknown URLs; v2.43.1

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/App.tsx

@@ -662,7 +662,7 @@ function KofiSupportSection({ content }: { content: SiteContent }) {
         </div>
         {qrUrl && (
           <figure className="cx-support-qr">
-            <img src={qrUrl} alt="Ko-fi donation QR code" />
+            <img src={qrUrl} alt="Ko-fi donation QR code" onError={e => { const fig = e.currentTarget.parentElement; if (fig) fig.style.display = 'none' }} />
             <figcaption>Scan to give on Ko-fi</figcaption>
           </figure>
         )}
@@ -2655,7 +2655,9 @@ for (const b of BIBLE_BOOKS) {
 
 function parseSIRef(ref: string) {
   // Supports same-chapter ranges ("5:15-20") and chapter-spanning ranges ("5:15-6:2").
-  const m = ref.match(/^(.*?)\s+(\d+):(\d+)(?:-(?:(\d+):)?(\d+))?$/)
+  // Tolerate en/em dashes and verse-part suffixes like "10-12a"
+  const clean = ref.replace(/[\u2013\u2014]/g, '-').replace(/(\d)[a-z]\b/gi, '$1').trim()
+  const m = clean.match(/^(.*?)\s+(\d+):(\d+)(?:-(?:(\d+):)?(\d+))?$/)
   if (!m) return null
   const bookId = SI_BOOK_MAP[m[1].toLowerCase().replace(/\.\s*/g, ' ').trim()]
   if (!bookId) return null