fix: load fresh Excel values, only preserve pending edits

src/App.tsx

@@ -160,11 +160,22 @@ export default function App() {
 
 const articleNoIdx = resolvedCols.ARTICLE_NO;
           const processedRows = rows.map(row => {
-            // Simply use Dropbox values - no merge logic
-            // Manual edits are preserved in Supabase and shown in Change History
-            // but fresh Excel data takes precedence on reload
+            const articleNo = String(row[articleNoIdx]);
+            const synced = syncedData[articleNo];
+            
+            // Start with fresh Dropbox values
             let finalRow = [...row];
             
+            // Only use Supabase value if status is 'pending' (active edit session)
+            if (synced && synced.status === 'pending') {
+              editableColumns.forEach(idx => {
+                if (synced.data[idx] !== undefined && synced.data[idx] !== null) {
+                  finalRow[idx] = synced.data[idx];
+                }
+              });
+              setRowStatuses(prev => ({ ...prev, [articleNo]: 'pending' }));
+            }
+            
             return finalRow.map((val: any, idx: number) => {
               if (val === undefined || val === null || val === '') return val;
               const header = (headers[idx] || '').toLowerCase();