membership: refactor form filling, add smoke tests and debug-guard fallback; fix mappings

scripts/create-fillable-template.js

@@ -507,11 +507,19 @@ Das Vereinsmitglied trifft die Entscheidung zur Veröffentlichung seiner Daten i
   const sigLabelSize = 10
   page3.drawText(sigLabel, { x: dateX, y: dateFieldY - 18, size: sigLabelSize, font: helv })
 
+  // Ensure appearance streams are generated for all form fields using the embedded font
+  try {
+    form.updateFieldAppearances(helv)
+  } catch (e) {
+    console.warn('Warning: updateFieldAppearances failed while generating template:', e)
+  }
+
   const pdfBytes = await pdfDoc.save()
   fs.writeFileSync('server/templates/mitgliedschaft-fillable.pdf', pdfBytes)
   console.log('Wrote server/templates/mitgliedschaft-fillable.pdf')
 }
 
+
 create().catch(e => {
   console.error(e)
   process.exit(1)