debug: add reveal pairs logging to diagnose empty pairs issue, bump 0.9.13

https://claude.ai/code/session_01KF4i7Ra7zCEDskxDBaNtcT

src/content/content.js

@@ -1607,6 +1607,8 @@
 
   // Reveal ALL text on the page + apply highlights
   function revealAllResponses() {
+    const pairs = getRevealPairs();
+    console.log('[Silent Send] revealAllResponses — pairs:', pairs.length, pairs.map(p => `"${p.from}" → "${p.to}"`));
     revealInElement(document.body);
     highlightMatches(document.body);
   }

src/options/options.html

@@ -629,7 +629,7 @@
     </section>
 
     <footer>
-      <p>Silent Send v0.9.12</p>
+      <p>Silent Send v0.9.13</p>
       <p style="font-size:11px;color:#9ca3af;margin-top:6px;max-width:600px">
         Silent Send is a convenience tool, not a security guarantee. Third-party sites may change how they send data at any time, which can cause missed substitutions without warning. You are responsible for verifying your data before sending. See the <a href="https://github.com/outis1one/silent-send/blob/main/LICENSE" target="_blank" style="color:#6b7280">LICENSE</a> for full terms.
       </p>