feat(paddock): initial paddock briefing pages and store changes

frontend/src/components/Nav.tsx

@@ -16,6 +16,9 @@ export function Nav() {
         <Link to="/race-hub" search={{}} activeProps={{ className: 'active' }}>
           Race Hub
         </Link>
+        <Link to="/briefing" activeProps={{ className: 'active' }}>
+          Briefing
+        </Link>
       </div>
       <div className="nav-utility">
         <Link to="/admin" className="nav-utility-link" activeProps={{ className: 'nav-utility-link active' }}>

frontend/src/components/PaddockBriefing.tsx

@@ -1,61 +1,73 @@
 import { useQuery } from '@tanstack/react-query'
+import { Link } from '@tanstack/react-router'
 import { fetchNews } from '../api'
 import { timeAgo } from '../utils'
 
+const SOURCE_DISPLAY: Record<string, string> = {
+  'fia': 'FIA',
+  'bbc-f1': 'BBC Sport',
+  'autosport-f1': 'Autosport',
+  'racefans-f1': 'RaceFans',
+  'guardian-f1': 'Guardian',
+  'racer-f1': 'RACER',
+  'f1-youtube': 'F1 YouTube',
+}
+
 export function PaddockBriefing() {
   const { data: news, isLoading, isError } = useQuery({
     queryKey: ['news'],
-    queryFn: () => fetchNews(12),
+    queryFn: () => fetchNews(100),
     staleTime: 60_000,
   })
 
-  if (isLoading) {
-    return <div className="briefing-state loading-state">loading paddock briefing…</div>
-  }
-
-  if (isError || !news) {
-    return <div className="briefing-state error-box">Failed to load paddock briefing</div>
-  }
-
-  if (news.length === 0) {
-    return <div className="briefing-state empty-box">No briefing items available.</div>
-  }
+  const unreadCount = news?.filter((i) => !i.read_at).length ?? 0
+  const preview = news?.slice(0, 5) ?? []
 
   return (
     <section className="cc-briefing" data-testid="paddock-briefing">
       <div className="sec-header">
-        <span className="sec-title">Paddock Briefing</span>
-        <span className="sec-meta mono">Latest intel</span>
+        <span className="sec-title">
+          Paddock Briefing
+          {unreadCount > 0 && (
+            <span className="cc-brief-unread">{unreadCount}</span>
+          )}
+        </span>
+        <Link to="/briefing" className="sec-action mono">
+          View all →
+        </Link>
       </div>
-      <div className="briefing-grid" role="list">
-        {news.map((item, i) => {
-          const age = timeAgo(item.published_at || item.fetched_at)
-          return (
-            <a
-              key={`${item.url}-${i}`}
-              href={item.url}
-              target="_blank"
-              rel="noopener noreferrer"
-              className="briefing-card"
+
+      {isLoading && <div className="briefing-state loading-state">loading…</div>}
+      {isError && <div className="briefing-state error-box">Failed to load briefing</div>}
+
+      {!isLoading && !isError && preview.length === 0 && (
+        <div className="briefing-state">
+          No items. Run <code>box-box --ingest-news</code> to populate.
+        </div>
+      )}
+
+      {preview.length > 0 && (
+        <div className="cc-brief-strip" role="list">
+          {preview.map((item) => (
+            <Link
+              key={item.url}
+              to="/briefing"
+              className={`cc-brief-item${item.read_at ? ' is-read' : ''}`}
               role="listitem"
             >
-              <div className="briefing-card-head mono">
-                <span className="briefing-source">{item.source}</span>
-                <span className="briefing-age">{age}</span>
+              <div className="cc-brief-item-meta mono">
+                <span className="cc-brief-source">
+                  {SOURCE_DISPLAY[item.source] ?? item.source}
+                </span>
+                <span className="cc-brief-age">
+                  {timeAgo(item.published_at ?? item.fetched_at)}
+                </span>
               </div>
-              <h3 className="briefing-title">{item.title}</h3>
-              {item.summary && (
-                <p className="briefing-summary">
-                  {item.summary.length > 120 ? item.summary.substring(0, 117) + '...' : item.summary}
-                </p>
-              )}
-              {item.category && (
-                <div className="briefing-cat mono">{item.category.toLowerCase()}</div>
-              )}
-            </a>
-          )
-        })}
-      </div>
+              <span className="cc-brief-title">{item.title}</span>
+            </Link>
+          ))}
+        </div>
+      )}
     </section>
   )
 }