feat: add iOS support and harden receipt scanning

app/ios/ScanReceipts/Features/Receipts/ReceiptRow.swift

@@ -0,0 +1,72 @@
+import SwiftUI
+
+/// One row in `ReceiptsListView`: merchant, formatted business date and
+/// amount, category, and the shared `ZenithStatusBadge` (matching the web
+/// dashboard's `StatusBadge.tsx`).
+struct ReceiptRow: View {
+    let receipt: Receipt
+
+    var body: some View {
+        HStack(alignment: .top, spacing: ZenithSpacing.sm) {
+            VStack(alignment: .leading, spacing: ZenithSpacing.unit) {
+                Text(receipt.merchant.name.isEmpty ? "Unbekannter Händler" : receipt.merchant.name)
+                    .zenithBodyStyle()
+                    .fontWeight(.medium)
+                    .lineLimit(1)
+
+                HStack(spacing: 6) {
+                    Text(formattedDate)
+                    Text("·")
+                    Text(receipt.suggestedCategory.rawValue)
+                }
+                .zenithBodySmStyle()
+                .lineLimit(1)
+            }
+
+            Spacer(minLength: ZenithSpacing.xs)
+
+            VStack(alignment: .trailing, spacing: 6) {
+                Text(formattedAmount)
+                    .zenithLabelMdStyle()
+                    .fontWeight(.medium)
+                    .multilineTextAlignment(.trailing)
+
+                ZenithStatusBadge(receipt)
+                    .accessibilityElement(children: .combine)
+            }
+        }
+        .padding(.vertical, ZenithSpacing.xs)
+    }
+
+    // `receipt.date.isoDate` is a plain "YYYY-MM-DD" string (no time/zone
+    // component), so it deliberately does NOT go through ISO8601.parse
+    // (which expects a full timestamp and would just return nil here).
+    private var formattedDate: String {
+        guard let date = Self.isoDateOnlyFormatter.date(from: receipt.date.isoDate) else {
+            return receipt.date.isoDate
+        }
+        return Self.displayDateFormatter.string(from: date)
+    }
+
+    private var formattedAmount: String {
+        let code = receipt.currency.isEmpty ? "EUR" : receipt.currency
+        return receipt.totalAmount.value.formatted(.currency(code: code))
+    }
+
+    private static let isoDateOnlyFormatter: DateFormatter = {
+        let formatter = DateFormatter()
+        formatter.dateFormat = "yyyy-MM-dd"
+        formatter.locale = Locale(identifier: "en_US_POSIX")
+        formatter.timeZone = TimeZone(identifier: "UTC")
+        return formatter
+    }()
+
+    private static let displayDateFormatter: DateFormatter = {
+        let formatter = DateFormatter()
+        formatter.dateStyle = .medium
+        formatter.timeStyle = .none
+        formatter.locale = Locale(identifier: "de_DE")
+        formatter.timeZone = TimeZone(identifier: "UTC")
+        return formatter
+    }()
+}