Fix: Restore missing user edits by refining the data merge logic.

- Migrated 126 manual edits to 'edited' status.
- Updated App.tsx to merge rows with 'edited' or 'synced' status.
- Protected manual edits from being overwritten by automated Dropbox syncs.

api/dropbox-sync.js

@@ -40,29 +40,33 @@ export default async function handler(req, res) {
     }
 
     const articleNoIdx = 0;
+    // Fetch IDs of products that have been manually edited so we don't overwrite them
+    const { data: protectedProducts } = await supabase
+      .from('products')
+      .select('product_id')
+      .or('status.eq.edited,status.eq.pending');
+    
+    const protectedIds = new Set((protectedProducts || []).map(p => p.product_id));
 
     const productsToUpsert = [];
-
     for (const row of rows) {
       const productId = String(row[articleNoIdx]);
-      if (productId && productId.trim() !== '') {
+      if (productId && productId.trim() !== '' && !protectedIds.has(productId)) {
         productsToUpsert.push({
           product_id: productId,
           data: row,
-          status: 'synced',
+          status: 'excel',
           updated_at: new Date().toISOString()
         });
       }
     }
 
-    console.log('Upserting', productsToUpsert.length, 'products to Supabase...');
+    console.log('Upserting', productsToUpsert.length, 'new/updated products to Supabase...');
 
+    // We can now use a normal upsert because we filtered out the manual edits
     const { error } = await supabase
       .from('products')
-      .upsert(productsToUpsert, {
-        onConflict: 'product_id',
-        ignoreDuplicates: true  // Keep this: will be overwritten by App.tsx logic if there are pending edits
-      });
+      .upsert(productsToUpsert, { onConflict: 'product_id' });
 
     if (error) {
       console.error('Supabase upsert error:', error);