Fix Excel export XML order and gate time adjustments on close

src/lib/xlsx.ts

@@ -27,10 +27,8 @@ function escapeXml(value: string): string {
     .replace(/</g, "&lt;")
     .replace(/>/g, "&gt;")
     .replace(/"/g, "&quot;")
-    .replace(/\u0008/g, "")
-    .replace(/\u000B/g, "")
-    .replace(/\u000C/g, "")
-    .replace(/\u0000/g, "")
+    // remove invalid control characters (XML 1.0)
+    .replace(/[\x00-\x08\x0B\x0C\x0E-\x1F]/g, "")
 }
 
 function columnRef(index: number): string {
@@ -60,7 +58,7 @@ function formatCell(value: unknown, colIndex: number, rowNumber: number, styleIn
   }
 
   if (typeof value === "boolean") {
-    return `<c r="${ref}"${styleAttr}><v>${value ? 1 : 0}</v></c>`
+    return `<c r="${ref}"${styleAttr} t="b"><v>${value ? 1 : 0}</v></c>`
   }
 
   let text: string
@@ -123,17 +121,24 @@ function buildWorksheetXml(config: WorksheetConfig, styles: WorksheetStyles): st
     sheetViews = `<sheetViews><sheetView workbookViewId="0">${pane}</sheetView></sheetViews>`
   }
 
+  const usedRangeColumn = config.headers.length > 0 ? columnRef(config.headers.length - 1) : "A"
+  const dimensionXml =
+    config.headers.length > 0 && totalRows > 0
+      ? `<dimension ref="A1:${usedRangeColumn}${totalRows}"/>`
+      : ""
+
   const autoFilter =
     config.autoFilter && config.headers.length > 0 && totalRows > 1
-      ? `<autoFilter ref="A1:${columnRef(config.headers.length - 1)}${totalRows}"/>`
+      ? `<autoFilter ref="A1:${usedRangeColumn}${totalRows}"/>`
       : ""
 
   return [
     XML_DECLARATION,
     '<worksheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships">',
+    dimensionXml,
     sheetViews,
-    colsXml,
     '  <sheetFormatPr defaultRowHeight="15"/>',
+    colsXml,
     "  <sheetData>",
     rows.map((row) => `    ${row}`).join("\n"),
     "  </sheetData>",