fix: restore internal control columns and protect them from Dropbox sync overrides

api/dropbox-sync.js

@@ -45,10 +45,10 @@ export default async function handler(req, res) {
       .from('products')
       .select('product_id, status');
 
-    // Protect products with status 'edited' or 'pending'
+    // Protect ALL products that are not 'excel' status (i.e. they have manual edits or special status)
     const manuallyEditedIds = new Set(
       (existingProducts || [])
-        .filter(p => p.status === 'edited' || p.status === 'pending')
+        .filter(p => p.status && p.status !== 'excel')
         .map(p => p.product_id)
     );
 

src/App.tsx

@@ -191,9 +191,10 @@ const articleNoIdx = resolvedCols.ARTICLE_NO;
             let finalRow = [...row];
             
             // Merge logic: Prioritize internal control columns and active session edits
-            if (synced && (synced.status === 'edited' || synced.status === 'pending' || synced.status === 'synced')) {
+            if (synced && synced.data) {
               // 1. ALWAYS restore Internal Control Columns (indices >= 100)
               // These are the "TYPE", "Item to Logistic", "Checking", etc.
+              // We use hardcoded indices from COLUMNS to ensure they stay at the end.
               Object.values(COLUMNS).forEach(idx => {
                 if (idx >= 100 && synced.data[idx] !== undefined && synced.data[idx] !== null) {
                   finalRow[idx] = synced.data[idx];
@@ -210,8 +211,10 @@ const articleNoIdx = resolvedCols.ARTICLE_NO;
                 });
               }
 
-              // Update row status in UI
-              setRowStatuses(prev => ({ ...prev, [articleNo]: synced.status }));
+              // Update row status in UI if it's not the default 'excel'
+              if (synced.status && synced.status !== 'excel') {
+                setRowStatuses(prev => ({ ...prev, [articleNo]: synced.status! }));
+              }
             }
             
             return finalRow.map((val: any, idx: number) => {

src/types.ts

@@ -74,14 +74,8 @@ export const COLUMN_PATTERNS: Record<keyof typeof COLUMNS, string[]> = {
   OUTER_W: ['outer', 'w'],
   OUTER_L: ['outer', 'l'],
   OUTER_H: ['outer', 'h'],
-  // Virtual/Extra columns stay hardcoded or managed elsewhere
-  VERIFIED_DIMS: ['verified'],
-  VALIDATED_CHECK: ['validated'],
-  VALIDATED_NOTE: ['note'],
-  PRODUCT_TYPE: ['type'],
-  ITEM_TO_LOGISTIC: ['item', 'to', 'logistic'],
-  ANNA_CHECK: ['anna', 'check'],
-  ANNA_NOTE: ['anna', 'note']
+  // Virtual/Extra columns stay hardcoded and are NOT auto-detected from headers
+  // to prevent internal data from being shifted or overwritten by Excel column shifts.
 };
 
 export function resolveColumnIndices(headers: string[]): typeof COLUMNS {