feat: reflow overloaded Week Ahead plans (Closes #1226)

frontend/index.html

@@ -512,6 +512,18 @@
       <p class="week-offline-snapshot" id="week-offline-snapshot" role="status" aria-live="polite" hidden></p>
       <button id="retry-week-live" type="button" hidden>Retry live Week Ahead</button>
       <button id="open-week-capacity-import" type="button">Set capacity from calendar</button>
+      <button id="open-week-reflow" type="button" hidden>Reflow remaining week</button>
+      <section class="week-reflow-review" id="week-reflow-review" aria-labelledby="week-reflow-title" hidden>
+        <div class="small">Capacity-safe preview</div>
+        <h3 id="week-reflow-title">Reflow remaining week?</h3>
+        <p class="small muted">Work keeps its current order. Anything that cannot fit stays unscheduled in My Work.</p>
+        <div class="week-reflow-days" id="week-reflow-days"></div>
+        <div class="week-reflow-unscheduled" id="week-reflow-unscheduled" role="status"></div>
+        <div class="week-reflow-actions">
+          <button id="cancel-week-reflow" type="button">Cancel</button>
+          <button id="apply-week-reflow" type="button">Apply reflow</button>
+        </div>
+      </section>
       <div class="week-review-duplicates" id="week-review-duplicates" role="alert" hidden></div>
       <div class="week-review-days" id="week-review-days"></div>
       <div class="small week-review-status" id="week-review-status" role="status" aria-live="polite"></div>