fix(sauna): 日付選択時に全サウナを表示するよう修正

- 日付選択時に訪問済みサウナのみ表示していたバグを修正
  → 選択日に訪問済みのサウナを先頭に、未訪問サウナも全件表示
- カレンダーから日付を選択して詳細を開いた場合、その日付を
  visit_dateに事前入力するように改善 (initialVisitDate prop)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Sora4431

apps/web/src/lib/themes/sauna-rally/components/CalendarView.svelte

@@ -47,6 +47,7 @@
   let selectedStepId = $state<string | null>(null);
   let showDetail = $state(false);
   let selectedDate = $state<string | null>(null);
+  let defaultVisitDate = $state<string | null>(null);
 
   // Always derive the latest step data from steps prop
   const selectedStep = $derived(
@@ -161,6 +162,7 @@
 
   function openDetail(stepId: string) {
     selectedStepId = stepId;
+    defaultVisitDate = selectedDate;
     showDetail = true;
   }
 
@@ -177,10 +179,16 @@
     }
   }
 
-  // Steps shown in the list: only visited-on-date when a date is selected
+  // Steps shown in the list: all saunas, visited-on-date first
   const displayedSteps = $derived.by(() => {
     if (!selectedDate) return sortedSteps;
-    return visitedByDate.get(selectedDate) ?? [];
+    const visitedOnDate = new Set(
+      (visitedByDate.get(selectedDate) ?? []).map((s) => s.id),
+    );
+    return [
+      ...sortedSteps.filter((s) => visitedOnDate.has(s.id)),
+      ...sortedSteps.filter((s) => !visitedOnDate.has(s.id)),
+    ];
   });
 </script>
 
@@ -268,12 +276,6 @@
         </div>
       </div>
 
-      {#if selectedDate && displayedSteps.length === 0}
-        <div class="cv-no-visit">
-          <span>💧</span> {selectedDate} の訪問記録はありません
-        </div>
-      {/if}
-
       <div class="cv-cards">
         {#each displayedSteps as step (step.id)}
           {@const data = parseSaunaData(step.notes)}
@@ -321,11 +323,13 @@
   step={selectedStep}
   {hasEditPermission}
   {isViewMode}
+  initialVisitDate={defaultVisitDate}
   onUpdate={onUpdateStep}
   onDelete={onDeleteStep}
   onClose={() => {
     showDetail = false;
     selectedStepId = null;
+    defaultVisitDate = null;
   }}
 />
 

apps/web/src/lib/themes/sauna-rally/components/SaunaDetailDialog.svelte

@@ -18,6 +18,7 @@
     step: Step | null;
     hasEditPermission: boolean;
     isViewMode: boolean;
+    initialVisitDate?: string | null;
     onUpdate?: (
       stepId: string,
       data: { title?: string; notes?: string },
@@ -31,6 +32,7 @@
     step,
     hasEditPermission,
     isViewMode,
+    initialVisitDate = null,
     onUpdate,
     onDelete,
     onClose,
@@ -74,7 +76,8 @@
       editTitle = step.title;
       editUrl = data.sauna_url || "";
       editVisited = data.visited ?? false;
-      editVisitDate = data.visit_date || "";
+      // Pre-fill visit date from calendar selection if not yet set
+      editVisitDate = data.visit_date || initialVisitDate || "";
       editRating = data.rating ?? 0;
       editComment = data.comment || "";
       editSaunaTemp = data.sauna_temp ?? "";