feat: turn Today recap feedback into a plan

Closes #583

frontend/index.html

@@ -281,7 +281,7 @@
       <div id="today-recap-history" class="today-recap-history"></div>
     </section>
     <div class="today-recap-actions">
-      <button id="save-today-recap" type="button">Save recap</button>
+      <button id="save-today-recap" type="button">Save recap &amp; adjust plan</button>
       <button id="discard-today-recap" type="button">Keep timer &amp; close</button>
     </div>
   </section>