Merge branch 'develop' into gh-pages

Author: 46nori

URS/sample-eparts.db

@@ -70,7 +70,8 @@ function App() {
     // 現在の検索条件に基づいて結果を再取得
     if (selectedCategoryId) {
       setParts(dbManager.getPartsWithInventory(selectedCategoryId));
-    } else if (keyword && activeTab === 'keyword') {
+    } else if (activeTab === 'keyword') {
+      // キーワード検索タブの場合（キーワード未指定の全検索も含む）
       setParts(dbManager.getPartsWithInventory(undefined, keyword));
     }
     // どちらでもない場合は結果をクリアしない（現在の状態を維持）

src/App.tsx

@@ -174,7 +174,7 @@ export const PartAddModal: React.FC<PartAddModalProps> = ({
                       type="number"
                       min="0"
                       step={field.key === 'price_per_unit' ? '0.01' : '1'}
-                      value={formData[field.key as keyof typeof formData] || ''}
+                      value={formData[field.key as keyof typeof formData] ?? ''}
                       onChange={(e) => handleInputChange(field.key, 
                         field.key === 'price_per_unit' 
                           ? parseFloat(e.target.value) || 0

src/components/PartAddModal.tsx

@@ -149,7 +149,7 @@ export const PartEditModal: React.FC<PartEditModalProps> = ({
                       type="number"
                       min="0"
                       step={field.key === 'price_per_unit' ? '0.01' : '1'}
-                      value={formData[field.key as keyof PartWithInventory] || ''}
+                      value={formData[field.key as keyof PartWithInventory] ?? ''}
                       onChange={(e) => handleInputChange(field.key, 
                         field.key === 'price_per_unit' 
                           ? parseFloat(e.target.value) || 0