feat(web): add route-addressable Evidence Desk

apps/web/app/board/acknowledge-visible-open.ts

@@ -0,0 +1,41 @@
+import 'server-only';
+
+import type { EvidenceReader, GuideAccess } from '@huddle/application';
+import type {
+  VisibleAcknowledgmentAction,
+  VisibleOpenAuthorizationAction,
+} from './visible-open-acknowledgment';
+
+/**
+ * The composition root binds the request's server-resolved reader. Browser input contains only the
+ * two opaque credentials; scope, report IDs, and finding fingerprints are never action parameters.
+ */
+export function createAcknowledgeVisibleOpenAction(dependencies: {
+  resolveAccess(): Promise<GuideAccess | null>;
+  evidenceReader: EvidenceReader;
+}): VisibleAcknowledgmentAction {
+  return async ({ acknowledgmentGrant, openingRenewalToken }) => {
+    'use server';
+    const access = await dependencies.resolveAccess();
+    if (!access) return { kind: 'not-found' };
+    return dependencies.evidenceReader.acknowledgeVisibleOpen(access, {
+      acknowledgmentGrant,
+      openingRenewalToken,
+    });
+  };
+}
+
+export function createAuthorizeVisibleOpenAction(dependencies: {
+  resolveAccess(): Promise<GuideAccess | null>;
+  evidenceReader: EvidenceReader;
+}): VisibleOpenAuthorizationAction {
+  return async ({ acknowledgmentGrant, openingRenewalToken }) => {
+    'use server';
+    const access = await dependencies.resolveAccess();
+    if (!access) return { kind: 'not-found' };
+    return dependencies.evidenceReader.authorizeVisibleOpen(access, {
+      acknowledgmentGrant,
+      openingRenewalToken,
+    });
+  };
+}

apps/web/app/board/entry-card.tsx

@@ -17,10 +17,20 @@ export function EntryCard({ row }: { row: BoardRow }) {
 export function formatAdditionalCauses(causes: BoardRow['additionalCauses']): string {
   if (causes.length === 0) return '—';
   return causes
-    .map(({ cause, severity }) => `${cause} (${Math.round(severity * 100)}%)`)
+    .map(({ cause, severity }) => `${humanizeLegacyCause(cause)} — ${priorityBand(severity)}`)
     .join(', ');
 }
 
+function humanizeLegacyCause(cause: BoardRow['cause']): string {
+  return cause.replaceAll('_', ' ');
+}
+
+function priorityBand(severity: number): string {
+  if (severity >= 0.75) return 'urgent priority';
+  if (severity >= 0.5) return 'elevated priority';
+  return 'watch priority';
+}
+
 function severityClass(severity: number): string {
   if (severity >= 0.75) return 'severe';
   if (severity >= 0.5) return 'elevated';

apps/web/app/board/error.tsx

@@ -0,0 +1,20 @@
+'use client';
+
+export default function BoardError({
+  error,
+  reset,
+}: {
+  error: Error & { digest?: string };
+  reset: () => void;
+}) {
+  void error;
+  return (
+    <main className="desk-state">
+      <h1>Board unavailable</h1>
+      <p>Huddle could not retrieve a current or prior board. This is not an all-clear.</p>
+      <button type="button" onClick={reset}>
+        Try again
+      </button>
+    </main>
+  );
+}