feat: add VesselTransferPage for managing vessel ownership transfers

apps/portal/src/app/features/vessel-registration/pages/VesselTransferPage.tsx

@@ -0,0 +1,230 @@
+import { useNavigate } from 'react-router-dom';
+import {
+  Badge,
+  Button,
+  Card,
+  Group,
+  Loader,
+  Paper,
+  Progress,
+  Stack,
+  Table,
+  Text,
+  Title,
+  Tooltip,
+} from '@mantine/core';
+import {
+  IconArrowRight,
+  IconArrowsExchange,
+  IconShip,
+} from '@tabler/icons-react';
+import {
+  STATUS_COLORS,
+  STATUS_LABELS,
+  STATUS_PROGRESS,
+  TERMINAL_STATUSES,
+  useGetMyApplicationsQuery,
+  useGetMyVesselsQuery,
+} from '@ema-platform/api';
+
+const TRANSFER_TYPE_KEY = 'VESSEL_OWNERSHIP_TRANSFER';
+
+const CATEGORY_LABELS: Record<string, string> = {
+  INLAND_WATERWAY: 'Inland Waterway',
+  SEA_GOING: 'Sea-going',
+};
+
+const VESSEL_STATUS_COLORS: Record<string, string> = {
+  REGISTERED: 'green',
+  SUSPENDED: 'orange',
+  DEREGISTERED: 'gray',
+};
+
+/**
+ * The vessel owner's ownership-transfer home: transfers in flight, and the
+ * registered vessels eligible to start one. Same config-driven wizard as
+ * registration underneath (VESSEL_OWNERSHIP_TRANSFER) — this page mirrors
+ * VesselRegistrationPage, just a different entry point and no
+ * certificate/renewal/incident actions, which don't apply here.
+ */
+export function VesselTransferPage() {
+  const navigate = useNavigate();
+  const { data: vessels, isLoading: loadingVessels } = useGetMyVesselsQuery();
+  const { data: applications, isLoading: loadingApplications } =
+    useGetMyApplicationsQuery();
+
+  const inFlight = (applications?.items ?? []).filter(
+    (app) =>
+      app.licenseType?.key === TRANSFER_TYPE_KEY &&
+      !TERMINAL_STATUSES.includes(app.status),
+  );
+
+  // A transfer moves ownership of a vessel already on the register — nothing
+  // to transfer without at least one REGISTERED vessel.
+  const hasTransferableVessel = (vessels ?? []).some(
+    (v) => v.status === 'REGISTERED',
+  );
+
+  if (loadingVessels || loadingApplications) {
+    return (
+      <Group justify="center" py="xl">
+        <Loader />
+      </Group>
+    );
+  }
+
+  return (
+    <Stack>
+      <Group justify="space-between">
+        <Title order={2}>Ownership Transfer</Title>
+        <Tooltip
+          label="Register a vessel first — there's nothing to transfer yet"
+          disabled={hasTransferableVessel}
+        >
+          <Button
+            leftSection={<IconArrowsExchange size={16} />}
+            disabled={!hasTransferableVessel}
+            onClick={() => navigate(`/licensing/${TRANSFER_TYPE_KEY}/apply`)}
+          >
+            Start transfer
+          </Button>
+        </Tooltip>
+      </Group>
+
+      {/* ----------------------------------------------------- in-flight */}
+      {inFlight.length > 0 && (
+        <Stack gap="sm">
+          <Title order={4}>Transfers in progress</Title>
+          {inFlight.map((app) => {
+            const isDraft = app.status === 'DRAFT';
+            const needsAction = app.status === 'RESUBMIT_REQUIRED';
+            return (
+              <Card key={app.id} withBorder radius="md" p="md">
+                <Group justify="space-between" wrap="nowrap">
+                  <div>
+                    <Text fw={600}>{app.applicationNumber}</Text>
+                    <Progress
+                      value={STATUS_PROGRESS[app.status]}
+                      mt="xs"
+                      w={260}
+                    />
+                  </div>
+                  <Group wrap="nowrap">
+                    <Badge color={STATUS_COLORS[app.status]}>
+                      {STATUS_LABELS[app.status]}
+                    </Badge>
+                    <Button
+                      size="compact-sm"
+                      variant={needsAction ? 'filled' : 'light'}
+                      color={needsAction ? 'orange' : undefined}
+                      rightSection={<IconArrowRight size={14} />}
+                      onClick={() =>
+                        navigate(
+                          `/licensing/${TRANSFER_TYPE_KEY}/applications/${app.id}`,
+                        )
+                      }
+                    >
+                      {isDraft ? 'Continue' : needsAction ? 'Fix' : 'View'}
+                    </Button>
+                  </Group>
+                </Group>
+              </Card>
+            );
+          })}
+        </Stack>
+      )}
+
+      {/* ------------------------------------------------------- vessels */}
+      <Stack gap="sm">
+        <Title order={4}>My vessels</Title>
+        {(vessels ?? []).length === 0 ? (
+          <Paper withBorder radius="md" p="xl">
+            <Stack align="center" gap="sm">
+              <IconShip size={40} color="var(--mantine-color-blue-5)" />
+              <Text fw={600}>No registered vessels yet</Text>
+              <Text size="sm" c="dimmed" ta="center" maw={420}>
+                Ownership can only be transferred for a vessel already on the
+                register.
+              </Text>
+              <Button
+                mt="xs"
+                variant="light"
+                onClick={() => navigate('/vessel-registration')}
+              >
+                Go to Vessel Registration
+              </Button>
+            </Stack>
+          </Paper>
+        ) : (
+          <Table.ScrollContainer minWidth={640}>
+            <Table striped highlightOnHover>
+              <Table.Thead>
+                <Table.Tr>
+                  <Table.Th>Registration №</Table.Th>
+                  <Table.Th>Vessel</Table.Th>
+                  <Table.Th>Category</Table.Th>
+                  <Table.Th>Status</Table.Th>
+                  <Table.Th />
+                </Table.Tr>
+              </Table.Thead>
+              <Table.Tbody>
+                {(vessels ?? []).map((vessel) => (
+                  <Table.Tr key={vessel.id}>
+                    <Table.Td>
+                      <Text ff="monospace" size="sm" fw={600}>
+                        {vessel.registrationNumber}
+                      </Text>
+                    </Table.Td>
+                    <Table.Td>
+                      <Text size="sm" fw={500}>
+                        {vessel.name}
+                      </Text>
+                      <Text size="xs" c="dimmed">
+                        {vessel.vesselType ?? '—'}
+                      </Text>
+                    </Table.Td>
+                    <Table.Td>
+                      {CATEGORY_LABELS[vessel.category] ?? vessel.category}
+                    </Table.Td>
+                    <Table.Td>
+                      <Badge
+                        size="sm"
+                        color={VESSEL_STATUS_COLORS[vessel.status]}
+                      >
+                        {vessel.status}
+                      </Badge>
+                    </Table.Td>
+                    <Table.Td>
+                      <Group justify="flex-end">
+                        {vessel.status === 'REGISTERED' ? (
+                          <Tooltip label="Start an ownership transfer for this vessel">
+                            <Button
+                              size="compact-xs"
+                              variant="light"
+                              leftSection={<IconArrowsExchange size={14} />}
+                              onClick={() =>
+                                navigate(`/licensing/${TRANSFER_TYPE_KEY}/apply`)
+                              }
+                            >
+                              Transfer
+                            </Button>
+                          </Tooltip>
+                        ) : (
+                          <Text size="xs" c="dimmed">
+                            Not transferable
+                          </Text>
+                        )}
+                      </Group>
+                    </Table.Td>
+                  </Table.Tr>
+                ))}
+              </Table.Tbody>
+            </Table>
+          </Table.ScrollContainer>
+        )}
+      </Stack>
+    </Stack>
+  );
+}
+
+export default VesselTransferPage;

apps/portal/src/app/router.tsx

@@ -38,6 +38,7 @@ import { CoCApplicationPage } from "./features/certificates/pages/CoCApplication
 // Phase 3 — Endorsement
 import { EndorsementPage } from "./features/endorsement/pages/EndorsementPage";
 import { VesselRegistrationPage } from "./features/vessel-registration/pages/VesselRegistrationPage";
+import { VesselTransferPage } from "./features/vessel-registration/pages/VesselTransferPage";
 import { MyApplicationsPage } from "./features/licensing/pages/MyApplicationsPage";
 import { PaymentCheckPage } from "./features/payments/pages/PaymentCheckPage";
 import { PaymentSuccessPage } from "./features/payments/pages/PaymentSuccessPage";
@@ -176,10 +177,7 @@ export const router = createBrowserRouter([
         path: "/vessel-registration-dashboard",
         element: <Navigate to="/vessel-registration" replace />,
       },
-      {
-        path: "/vessel-registration/transfer",
-        element: <Navigate to="/licensing/VESSEL_OWNERSHIP_TRANSFER/apply" replace />,
-      },
+      { path: "/vessel-registration/transfer", element: <VesselTransferPage /> },
       // Legacy per-licence-type URLs. Each once had its own hand-written page
       // that posted to a `/logistics-licenses/*` endpoint the API never had,
       // and dropped every uploaded document on the floor. They are kept as