Missions reset with the Central day: a find blocks a mission only for that day (member id or wallet); tag reads Done today

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

public/app.html

@@ -46,6 +46,6 @@
   <footer class="foot">Rewards are for completed missions, not income. The daily pool is limited; when it is spent, claims close until midnight Central. Cryptocurrency involves risk of loss.</footer>
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+<script src="/app.js?v=9"></script>
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