fix: prevent CPNP_NO from being overridden by dynamic column detection

CPNP_NO must stay hardcoded at index 107. Removed it from COLUMN_PATTERNS
and added guard to skip empty patterns in resolveColumnIndices.

Co-Authored-By: claude-flow <ruv@ruv.net>

src/components/CosmeticItemsView.tsx

@@ -45,7 +45,7 @@ export function CosmeticItemsView({ data, headers, onSaveRow, onCaptureState, ro
       if (!COSMETIC_LINES.some(l => lineVal === l)) return;
 
       columns.forEach(({ col }) => {
-        result[col].add(String(row[col] ?? '').trim());
+        result[col].add(String(row[col] ?? '').replace(/\s+/g, ' ').trim());
       });
     });
 
@@ -82,11 +82,9 @@ export function CosmeticItemsView({ data, headers, onSaveRow, onCaptureState, ro
     (Object.entries(columnFilters) as [string, string[]][]).forEach(([colIdx, filterValues]) => {
       if (!filterValues || filterValues.length === 0) return;
       const colNum = parseInt(colIdx);
-      const filterSet = new Set(filterValues.map(f => f.trim()));
-      result = result.filter(({ row }) => {
-        const val = String(row[colNum] ?? '').trim();
-        return filterSet.has(val);
-      });
+      const normalize = (v: any) => String(v ?? '').replace(/\s+/g, ' ').trim();
+      const filterSet = new Set(filterValues.map(normalize));
+      result = result.filter(({ row }) => filterSet.has(normalize(row[colNum])));
     });
 
     // Sort

src/types.ts

@@ -82,7 +82,7 @@ export const COLUMN_PATTERNS: Record<keyof typeof COLUMNS, string[]> = {
   ITEM_TO_LOGISTIC: ['item', 'logistic'],
   ANNA_CHECK: ['anna', 'check'],
   ANNA_NOTE: ['anna', 'note'],
-  CPNP_NO: ['cpnp'],
+  CPNP_NO: [],
   // 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.
 };
@@ -92,6 +92,7 @@ export function resolveColumnIndices(headers: string[]): typeof COLUMNS {
   const h = headers.map(val => String(val || '').toLowerCase());
 
   Object.entries(COLUMN_PATTERNS).forEach(([key, patterns]) => {
+    if (patterns.length === 0) return;
     const idx = h.findIndex(headerText =>
       patterns.every(p => headerText.includes(p.toLowerCase()))
     );