feat: recover interrupted mobile voice transcripts (Closes #931)

frontend/index.html

@@ -833,6 +833,7 @@
           <div class="voice-issue-review-actions">
             <button id="append-voice-issue-transcript" type="button">Append to draft</button>
             <button id="replace-with-voice-issue-transcript" type="button">Replace draft</button>
+            <button id="discard-voice-issue-transcript" type="button" class="secondary">Discard transcript</button>
           </div>
         </div>
       </section>
@@ -1369,6 +1370,7 @@
 <script src="static/issue-attachment.js"></script>
 <script src="static/issue-filing-review.js"></script>
 <script src="static/issue-sheet.js"></script>
+<script src="static/voice-transcript-store.js"></script>
 <script src="static/voice-issue-capture.js"></script>
 <script src="static/create-issue-sheet.js"></script>
 <script src="static/create-and-start.js"></script>