feat: fit search batches to Today capacity (Closes #811)

frontend/index.html

@@ -460,6 +460,16 @@
     <button id="cancel-search-selection" type="button">Cancel</button>
     <button id="queue-selected-search-results" type="button" disabled>Assign &amp; add to Today</button>
   </div>
+  <section class="search-batch-estimate-review" id="search-batch-estimate-review"
+    aria-labelledby="search-batch-estimate-heading" hidden>
+    <div><strong id="search-batch-estimate-heading">Fit this work into Today</strong>
+      <span class="small" id="search-batch-estimate-summary" aria-live="polite"></span></div>
+    <div id="search-batch-estimate-list"></div>
+    <div class="search-batch-estimate-actions">
+      <button id="cancel-search-batch-estimates" type="button">Back</button>
+      <button id="confirm-search-batch-estimates" type="button">Confirm &amp; assign</button>
+    </div>
+  </section>
 </div>
 
 <div class="search-preview" id="search-preview" role="dialog" aria-modal="true" aria-labelledby="search-preview-title">