feat: enhance accessibility and testing with data-test attributes and improve error handling

apps/web/i18n/messages/en/documents.json

@@ -0,0 +1,81 @@
+{
+  "nav": {
+    "documents": "Documents",
+    "generate": "Generate",
+    "templates": "Templates"
+  },
+  "overview": {
+    "title": "Documents",
+    "subtitle": "Generate documents and manage templates",
+    "generate": "Generate",
+    "manageTemplates": "Manage Templates"
+  },
+  "types": {
+    "member_card": "Member Card",
+    "invoice": "Invoice",
+    "label": "Labels",
+    "report": "Report",
+    "letter": "Letter",
+    "certificate": "Certificate"
+  },
+  "typeDescriptions": {
+    "member_card": "Generate member cards with photo and QR code",
+    "invoice": "Professional invoices for members and services",
+    "label": "Address labels for mailings and shipping",
+    "report": "Statistical reports and summaries",
+    "letter": "Form letters and individual correspondence",
+    "certificate": "Participation certificates and awards"
+  },
+  "generate": {
+    "title": "Generate Document",
+    "documentType": "Document Type",
+    "titleLabel": "Title / Label",
+    "format": "Format",
+    "orientation": "Orientation",
+    "portrait": "Portrait",
+    "landscape": "Landscape",
+    "comingSoon": "Coming Soon",
+    "generating": "Generating...",
+    "generateButton": "Generate",
+    "success": "Document created successfully!",
+    "downloaded": "File downloaded",
+    "downloadAgain": "Download Again",
+    "error": "Error generating document",
+    "backToDocuments": "Back to Documents",
+    "cancel": "Cancel",
+    "hint": "Note",
+    "memberCardHint": "Member cards will be generated for all active members.",
+    "labelHint": "Address labels will be generated for all active members.",
+    "reportHint": "A member report with current data will be generated."
+  },
+  "templates": {
+    "title": "Document Templates",
+    "subtitle": "Templates for member cards, invoices, labels, and more",
+    "newTemplate": "New Template",
+    "noTemplates": "No templates found",
+    "createFirst": "Create your first document template.",
+    "allTemplates": "All Templates ({count})",
+    "name": "Name",
+    "type": "Type",
+    "description": "Description"
+  },
+  "card": {
+    "title": "MEMBER CARD",
+    "memberSince": "Member since",
+    "dateOfBirth": "Date of Birth",
+    "address": "Address",
+    "validUntil": "Valid until",
+    "issuedOn": "Issued on"
+  },
+  "report": {
+    "title": "Member Report",
+    "total": "Total:"
+  },
+  "errors": {
+    "accountNotFound": "Account not found",
+    "unknownType": "Unknown document type",
+    "underDevelopment": "is still under development",
+    "dbError": "Database error",
+    "noActiveMembers": "No active members"
+  }
+}