ecb for dashboard - WRONG NEEDS CORRECTION ASAP

web/templates/pages/admin/ecb/status.html

@@ -16,6 +16,37 @@
   </h2>
   <p class="hint">{{ page.explanation() }}</p>
 
+  {# The question a reader came with. Coverage is a publication date, and
+     turning it into "which transaction dates will post" means applying the
+     rule the backend applies -- so the backend applies it and sends both
+     bounds, rather than the page inviting the reader to do it in their head. #}
+  <div class="postable">
+    <p class="postable-lead">What can be posted right now</p>
+    {% if let Some(through) = page.transactions_postable_through %}
+      <dl class="postable-grid">
+        <div>
+          <dt>Ordinary transactions</dt>
+          <dd>dated up to and including <strong>{{ through }}</strong></dd>
+          <dd class="hint">Converted at the rate published the business day before the transaction.</dd>
+        </div>
+        <div>
+          <dt>Statements &amp; decisive dates</dt>
+          <dd>dated up to and including <strong>{{ page.statements_postable_through.as_deref().unwrap_or("—") }}</strong></dd>
+          <dd class="hint">Converted at the rate published on that day, or the last business day before it.</dd>
+        </div>
+      </dl>
+      <p class="hint">
+        A foreign-currency amount dated after its limit is refused outright until the
+        importer catches up — it is not converted at a stale rate.
+      </p>
+    {% else %}
+      <p>
+        <strong>Nothing.</strong> No publication has ever been verified, so every
+        foreign-currency amount is refused whatever its date.
+      </p>
+    {% endif %}
+  </div>
+
   {# Coverage first and on its own line: the two dates and the gap between
      them are the whole answer, and burying them in a four-column grid made
      them read as trivia. #}