fix: restore CPNP No. as Excel-resolved column, not virtual

CPNP_NO re-added to COLUMN_PATTERNS so resolveColumnIndices maps it to
the real Excel column index. Removed it from VIRTUAL_COLS and editableColumns
in App.tsx since data comes from the spreadsheet, not Supabase-only storage.

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

src/App.tsx

@@ -180,7 +180,6 @@ export default function App() {
             [COLUMNS.ITEM_TO_LOGISTIC]: 'Item to Logistic',
             [COLUMNS.ANNA_CHECK]: 'Anna Check',
             [COLUMNS.ANNA_NOTE]: 'Anna Note',
-            [COLUMNS.CPNP_NO]: 'CPNP No.',
           };
           Object.entries(VIRTUAL_COLS).forEach(([idxStr, name]) => {
             const idx = Number(idxStr);
@@ -207,7 +206,6 @@ export default function App() {
             resolvedCols.VALIDATED_NOTE,
             resolvedCols.PRODUCT_TYPE,
             resolvedCols.ITEM_TO_LOGISTIC,
-            resolvedCols.CPNP_NO
           ]);
           
           headers.forEach((h: any, i: number) => {