fix(virtual_table): RowIdGetter now handles injected rows

Bug: Tab within injected row was triggering immediate row commit.
This happened because RowIdGetter.getRowId() returned the REAL row ID
for the injected row index, instead of NEW_ROW_ID.

Fix:
- RowIdGetter now takes injected_idx parameter
- Returns NEW_ROW_ID for injected row
- Adjusts indices for rows after injection (row-1)
- num_rows calculation now accounts for injection (+1)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/widgets/virtual_advanced_table/paged_datasource.zig

@@ -80,11 +80,13 @@ pub const PagedDataSource = struct {
             if (row == inj_idx) {
                 // Esta es la fila inyectada - leer del edit buffer
                 if (self.state.row_edit_buffer.getPendingValue(col)) |pending| {
+                    std.debug.print("[PDS-DEBUG] injected row={} col={} pending=\"{s}\"\n", .{ row, col, pending });
                     const copy_len = @min(pending.len, buf.len);
                     @memcpy(buf[0..copy_len], pending[0..copy_len]);
                     return buf[0..copy_len];
                 }
                 // Sin valor pendiente - retornar vacío (celda nueva)
+                std.debug.print("[PDS-DEBUG] injected row={} col={} NO pending\n", .{ row, col });
                 return "";
             } else if (row > inj_idx) {
                 // Fila después de la inyección - ajustar índice (-1)

src/widgets/virtual_advanced_table/virtual_advanced_table.zig

@@ -343,10 +343,19 @@ pub fn virtualAdvancedTableRect(
                 const edited_cell = list_state.getEditingCell().?;
                 const new_value = list_state.getEditText();
 
+                std.debug.print("[VT-DEBUG] editor committed: cell=({},{}) value=\"{s}\" hasChanged={} is_injected={}\n", .{
+                    edited_cell.row,
+                    edited_cell.col,
+                    new_value,
+                    list_state.hasValueChanged(),
+                    list_state.row_edit_buffer.is_injected,
+                });
+
                 // Añadir cambio al buffer de fila (NO commit inmediato)
                 // El commit real se hace cuando el usuario abandona la fila
                 if (list_state.hasValueChanged()) {
                     list_state.row_edit_buffer.addChange(edited_cell.col, new_value);
+                    std.debug.print("[VT-DEBUG] addChange: col={} value=\"{s}\"\n", .{ edited_cell.col, new_value });
 
                     // Compatibilidad: mantener flags antiguos
                     result.cell_committed = true;
@@ -435,23 +444,43 @@ pub fn virtualAdvancedTableRect(
         const is_tab = result.navigate_direction == .next_cell or result.navigate_direction == .prev_cell;
         if (is_tab) {
             // Wrapper para DataProvider que implementa getRowId(usize) -> i64
+            // Tiene en cuenta filas inyectadas (Ctrl+N) y ghost row
             const RowIdGetter = struct {
                 prov: DataProvider,
                 total: usize,
+                injected_idx: ?usize,
 
                 pub fn getRowId(self: @This(), row: usize) i64 {
-                    // Ghost row está al final (índice = total)
+                    // Fila inyectada siempre retorna NEW_ROW_ID
+                    if (self.injected_idx) |inj_idx| {
+                        if (row == inj_idx) return table_core.NEW_ROW_ID;
+                        // Filas después de inyección: ajustar índice hacia provider
+                        if (row > inj_idx) {
+                            const adjusted_row = row - 1;
+                            if (adjusted_row >= self.total) return table_core.NEW_ROW_ID;
+                            return self.prov.getRowId(adjusted_row) orelse table_core.NEW_ROW_ID;
+                        }
+                    }
+                    // Ghost row está al final
                     if (row >= self.total) return table_core.NEW_ROW_ID;
                     return self.prov.getRowId(row) orelse table_core.NEW_ROW_ID;
                 }
             };
 
-            const getter = RowIdGetter{ .prov = provider, .total = total_rows };
+            const getter = RowIdGetter{
+                .prov = provider,
+                .total = total_rows,
+                .injected_idx = list_state.injected_row_idx,
+            };
             const current_row = list_state.getSelectedRow() orelse 0;
             const forward = result.navigate_direction == .next_cell;
             const num_cols = config.columns.len;
             // VirtualAdvancedTable siempre tiene ghost row disponible
-            const num_rows = total_rows + 1;
+            // Si hay inyección, sumar 1 extra al conteo visual
+            var num_rows = total_rows + 1; // +1 para ghost row
+            if (list_state.injected_row_idx != null) {
+                num_rows += 1; // +1 para fila inyectada
+            }
 
             const plan = table_core.planTabNavigation(
                 &list_state.row_edit_buffer,