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

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

@@ -0,0 +1,113 @@
+{
+  "nav": {
+    "overview": "Finance",
+    "invoices": "Invoices",
+    "sepa": "SEPA Batches",
+    "payments": "Payments",
+    "newInvoice": "New Invoice",
+    "newBatch": "New Batch"
+  },
+  "dashboard": {
+    "title": "Finance – Overview",
+    "subtitle": "Manage invoices, SEPA batches, and payments",
+    "openInvoices": "Open Invoices",
+    "overdueInvoices": "Overdue Invoices",
+    "totalRevenue": "Total Revenue",
+    "sepaBatches": "SEPA Batches"
+  },
+  "invoices": {
+    "title": "Invoices",
+    "newInvoice": "New Invoice",
+    "noInvoices": "No invoices found",
+    "createFirst": "Create your first invoice.",
+    "invoiceNumber": "Invoice No.",
+    "recipient": "Recipient",
+    "issueDate": "Issue Date",
+    "dueDate": "Due Date",
+    "amount": "Amount",
+    "notFound": "Invoice not found"
+  },
+  "invoiceForm": {
+    "title": "Invoice Details",
+    "invoiceNumber": "Invoice Number *",
+    "issueDate": "Issue Date",
+    "dueDate": "Due Date *",
+    "recipient": "Recipient",
+    "recipientName": "Name *",
+    "recipientAddress": "Address",
+    "lineItems": "Line Items",
+    "addLineItem": "+ Add Line Item",
+    "itemDescription": "Description *",
+    "quantity": "Quantity",
+    "unitPrice": "Unit Price (€)",
+    "removeItem": "Remove Item",
+    "amounts": "Amounts",
+    "taxRate": "Tax Rate (%)",
+    "subtotal": "Subtotal (net)",
+    "tax": "Tax ({rate}%)",
+    "total": "Total Amount",
+    "notes": "Notes",
+    "created": "Invoice created successfully",
+    "errorCreating": "Error creating invoice"
+  },
+  "invoiceStatus": {
+    "draft": "Draft",
+    "sent": "Sent",
+    "paid": "Paid",
+    "overdue": "Overdue",
+    "cancelled": "Cancelled",
+    "credited": "Credited"
+  },
+  "sepa": {
+    "title": "SEPA Batches",
+    "newBatch": "New Batch",
+    "noBatches": "No SEPA batches found",
+    "createFirst": "Create your first SEPA batch.",
+    "directDebit": "Direct Debit",
+    "creditTransfer": "Credit Transfer",
+    "executionDate": "Execution Date",
+    "totalAmount": "Total Amount",
+    "itemCount": "Items",
+    "downloadXml": "Download XML",
+    "notFound": "Batch not found"
+  },
+  "sepaBatchForm": {
+    "title": "Create SEPA Batch",
+    "batchType": "Type",
+    "directDebit": "Direct Debit (SEPA Core)",
+    "creditTransfer": "Credit Transfer",
+    "description": "Description",
+    "descriptionPlaceholder": "e.g. Membership fees Q1 2026",
+    "executionDate": "Execution Date *",
+    "executionDateRequired": "Execution date is required",
+    "created": "SEPA batch created",
+    "errorCreating": "Error creating batch"
+  },
+  "sepaBatchStatus": {
+    "draft": "Draft",
+    "ready": "Ready",
+    "submitted": "Submitted",
+    "executed": "Executed",
+    "failed": "Failed",
+    "cancelled": "Cancelled"
+  },
+  "sepaItemStatus": {
+    "pending": "Pending",
+    "success": "Processed",
+    "failed": "Failed",
+    "rejected": "Rejected"
+  },
+  "payments": {
+    "title": "Payment Overview",
+    "paidInvoices": "Paid Invoices",
+    "openInvoices": "Open Invoices",
+    "overdueInvoices": "Overdue Invoices",
+    "sepaBatches": "SEPA Batches"
+  },
+  "common": {
+    "cancel": "Cancel",
+    "creating": "Creating...",
+    "membershipFee": "Membership Fee",
+    "sepaDirectDebit": "SEPA Direct Debit"
+  }
+}