Fixed a few minor bugs

src/routes/Resume.svelte

@@ -3,14 +3,18 @@
   import { buildResume, resumeToText } from '../lib/resume.js';
   import { go } from '../lib/router.svelte.js';
   import { settings } from '../lib/settings.svelte.js';
-  import { fmtDuration, weekday } from '../lib/time.js';
+  import { fmtDayLabel, fmtDuration, weekday } from '../lib/time.js';
 
   let copied = $state(false);
+  let selectedDate = $state('');
+  let reopening = $state(false);
+  let error = $state('');
+  const selectedDay = $derived(dayState.closedDays.find((d) => d.date === selectedDate) ?? dayState.lastClosed);
 
   const resume = $derived(
     buildResume(
-      dayState.lastClosed,
-      dayState.lastClosedEntries,
+      selectedDay,
+      dayState.historyEntries.filter((e) => e.date === selectedDay?.date),
       settings.roundingMinutes,
     ),
   );
@@ -22,7 +26,16 @@
     settings.workdays.includes(weekday(dayState.today)) ? settings.dayStart : null,
   );
 
-  const closedToday = $derived(dayState.lastClosed?.date === dayState.today);
+  const closedToday = $derived(selectedDay?.date === dayState.today && !dayState.day);
+
+  async function reopen() {
+    if (reopening) return;
+    reopening = true;
+    error = '';
+    try { await reopenToday(); go('today'); }
+    catch (cause) { error = `Reprise impossible : ${cause.message}`; }
+    finally { reopening = false; }
+  }
 
   async function copy() {
     try {
@@ -37,6 +50,17 @@
 </script>
 
 <div class="screen">
+  {#if error}<p role="alert">{error}</p>{/if}
+  {#if dayState.closedDays.length > 1}
+    <label class="stack">
+      <span>Journée à consulter</span>
+      <select value={selectedDay?.date} onchange={(event) => { selectedDate = event.currentTarget.value; copied = false; }}>
+        {#each dayState.closedDays as day (day.date)}
+          <option value={day.date}>{fmtDayLabel(day.date)} {day.date.slice(0, 4)}</option>
+        {/each}
+      </select>
+    </label>
+  {/if}
   {#if !resume}
     <div class="card center stack">
       <h2>Aucune journée enregistrée</h2>
@@ -101,16 +125,15 @@
   {#if closedToday}
     <button
       type="button"
-      onclick={async () => {
-        await reopenToday();
-        go('today');
-      }}>Reprendre la journée</button
+      disabled={reopening}
+      onclick={reopen}>Reprendre la journée</button
     >
-  {:else if startsAt}
+    <p class="dim small">Annule la clôture et continue la dernière tâche depuis l’arrêt.</p>
+  {:else if !dayState.day && !dayState.todayRecord && startsAt}
     <p class="dim center small">
       La journée démarrera automatiquement à {startsAt}.
     </p>
-  {:else}
+  {:else if !dayState.day && !dayState.todayRecord}
     <p class="dim center small">Aujourd'hui n'est pas un jour travaillé.</p>
   {/if}
 </div>