feat(phase-b): ship analytics dashboard, alerts, scanner PWA, dedup, audit view

Phase B (Insights & Alerts) PR4-11 in one drop. Builds on the schema +
service skeletons committed in PRs 1-3.

PR4  Analytics dashboard — 4 chart types (funnel/timeline/breakdown/source),
     date-range picker (today/7d/30d/90d), CSV+PNG export per card.
PR5  Alert rail UI + /alerts page — topbar bell w/ live count, dashboard
     right-rail, three-tab page (active/dismissed/resolved), socket-driven
     invalidation. Bell lazy-loads list on popover open to keep cold pages
     fast in non-dashboard routes.
PR6  EOI queue tab on documents hub — filters to in-flight EOIs, count
     surfaces in tab label.
PR7  Interests-by-berth tab on berth detail — replaces the stub.
PR8  Expense duplicate detection — BullMQ job runs scan on create, yellow
     banner on detail w/ Merge / Not-a-duplicate, transactional merge
     consolidates receipts and archives the source.
PR9  Receipt scanner PWA + multi-provider AI — port-scoped /scan route in
     its own (scanner) group with no dashboard chrome, dynamic per-port
     manifest, OpenAI + Claude provider abstraction, admin OCR settings
     page (port-level + super-admin global default w/ opt-in fallback),
     test-connection endpoint, manual-entry fallback when no key is
     configured. Verify form always shown before save — no ghost rows.
PR10 Audit log read view — swap to tsvector full-text search on the
     existing GIN index, cursor pagination, filters for entity/action/user
     /date range, batched actor-email resolution.
PR11 Real-API tests — opt-in receipt-ocr.spec (admin save+test, optional
     real-receipt parse via REALAPI_RECEIPT_FIXTURE) and alert-engine
     socket-fanout spec gated behind RUN_ALERT_ENGINE_REALAPI. Both skip
     cleanly without their gate envs so CI stays green.

Test totals: vitest 690 -> 713, smoke 130 -> 138, realapi +2 opt-in.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/components/alerts/alert-rail.tsx

@@ -0,0 +1,63 @@
+'use client';
+
+import Link from 'next/link';
+import { ArrowRight } from 'lucide-react';
+
+import { useUIStore } from '@/stores/ui-store';
+import { Skeleton } from '@/components/ui/skeleton';
+import { AlertCard, AlertCardEmpty } from './alert-card';
+import { useAlertList, useAlertRealtime } from './use-alerts';
+
+export function AlertRail() {
+  const portSlug = useUIStore((s) => s.currentPortSlug);
+  const { data, isLoading } = useAlertList('open');
+  useAlertRealtime();
+
+  const alerts = data?.data ?? [];
+  // Show first 5 in the rail; surplus pushes user to the full /alerts page.
+  const visible = alerts.slice(0, 5);
+  const overflow = Math.max(alerts.length - visible.length, 0);
+
+  return (
+    <section
+      data-testid="alert-rail"
+      aria-label="Active alerts"
+      className="flex h-full flex-col gap-3"
+    >
+      <div className="flex items-baseline justify-between">
+        <h2 className="text-sm font-semibold tracking-tight">Alerts</h2>
+        <Link
+          href={portSlug ? (`/${portSlug}/alerts` as never) : ('/alerts' as never)}
+          className="text-xs text-muted-foreground hover:text-foreground"
+        >
+          View all
+          <ArrowRight className="ml-1 inline h-3 w-3" aria-hidden />
+        </Link>
+      </div>
+
+      {isLoading ? (
+        <div className="space-y-2">
+          <Skeleton className="h-16 w-full" />
+          <Skeleton className="h-16 w-full" />
+          <Skeleton className="h-16 w-full" />
+        </div>
+      ) : visible.length === 0 ? (
+        <AlertCardEmpty />
+      ) : (
+        <div className="space-y-2">
+          {visible.map((a) => (
+            <AlertCard key={a.id} alert={a} />
+          ))}
+          {overflow > 0 ? (
+            <Link
+              href={portSlug ? (`/${portSlug}/alerts` as never) : ('/alerts' as never)}
+              className="block rounded-lg border border-dashed border-border px-3 py-2 text-center text-xs text-muted-foreground transition-colors hover:bg-accent"
+            >
+              +{overflow} more — view all
+            </Link>
+          ) : null}
+        </div>
+      )}
+    </section>
+  );
+}