feat:/ added uptime page

src/App.jsx

@@ -120,7 +120,7 @@ function App() {
   const [route, setRoute] = useState(() => parseRoute())
   const [leaderboard, setLeaderboard] = useState({ status: 'idle', data: null, error: null })
   const [live, setLive] = useState({ status: 'idle', data: null, error: null })
-  const [uptime, setUptime] = useState({ status: 'idle', checks: [], updatedAt: null })
+  const [uptime, setUptime] = useState({ status: 'idle', checks: [], history: [], updatedAt: null })
   const [teamQuery, setTeamQuery] = useState('')
   const [searchHint, setSearchHint] = useState({ status: 'idle', name: '' })
   const [profile, setProfile] = useState({
@@ -326,6 +326,7 @@ function App() {
       setUptime((current) => ({
         status: current.status === 'ready' ? 'refreshing' : 'loading',
         checks: current.checks,
+        history: current.history,
         updatedAt: current.updatedAt,
       }))
 
@@ -343,10 +344,8 @@ function App() {
 
       if (controller.signal.aborted) return
 
-      setUptime({
-        status: 'ready',
-        updatedAt: Date.now(),
-        checks: [
+      setUptime((current) => {
+        const checks = [
           {
             name: 'Website',
             detail: 'App shell and static assets',
@@ -368,7 +367,23 @@ function App() {
             label: apiResult.label,
             latency: Math.round(performance.now() - startedAt),
           },
-        ],
+        ]
+        const onlineChecks = checks.filter((check) => check.ok).length
+
+        return {
+          status: 'ready',
+          updatedAt: Date.now(),
+          checks,
+          history: [
+            ...current.history,
+            {
+              timestamp: Date.now(),
+              onlineChecks,
+              totalChecks: checks.length,
+              ok: onlineChecks === checks.length,
+            },
+          ].slice(-48),
+        }
       })
     }
 
@@ -1059,9 +1074,12 @@ function BattleLogsPage({ live, matches }) {
 
 function UptimePage({ uptime }) {
   const checks = uptime.checks
+  const history = uptime.history
   const operationalCount = checks.filter((check) => check.ok).length
   const allOperational = checks.length > 0 && operationalCount === checks.length
   const updatedAt = uptime.updatedAt ? dateFormat.format(new Date(uptime.updatedAt)) : 'Not checked yet'
+  const onlineSamples = history.filter((sample) => sample.ok).length
+  const availability = history.length ? (onlineSamples / history.length) * 100 : 0
 
   return (
     <section className="space-y-6">
@@ -1089,6 +1107,53 @@ function UptimePage({ uptime }) {
         </div>
       </div>
 
+      <div className="rounded-lg border border-border bg-fury-white p-5 shadow-sm">
+        <div className="flex flex-col gap-2 sm:flex-row sm:items-end sm:justify-between">
+          <div>
+            <h2 className="text-lg font-semibold">Availability timeline</h2>
+            <p className="mt-1 text-sm text-text-soft">
+              Last {formatNumber(history.length)} checks from this browser session
+            </p>
+          </div>
+          <p className="text-sm font-semibold text-fury-cyan">
+            {history.length ? `${availability.toFixed(1)}% uptime` : 'Waiting for first sample'}
+          </p>
+        </div>
+
+        <div className="mt-5 flex h-28 items-end gap-1 rounded-md border border-border bg-bg p-3">
+          {history.map((sample) => {
+            const height = `${Math.max(12, (sample.onlineChecks / sample.totalChecks) * 100)}%`
+
+            return (
+              <div
+                aria-label={`${sample.ok ? 'Uptime' : 'Downtime'} at ${dateFormat.format(new Date(sample.timestamp))}`}
+                className={`min-w-2 flex-1 rounded-sm ${sample.ok ? 'bg-success' : 'bg-danger'}`}
+                key={sample.timestamp}
+                style={{ height }}
+                title={`${sample.onlineChecks}/${sample.totalChecks} online`}
+              />
+            )
+          })}
+
+          {!history.length ? (
+            <div className="flex h-full w-full items-center justify-center text-sm text-text-soft">
+              Checking website status
+            </div>
+          ) : null}
+        </div>
+
+        <div className="mt-3 flex flex-wrap gap-4 text-xs text-text-soft">
+          <span className="flex items-center gap-2">
+            <span className="h-2.5 w-2.5 rounded-sm bg-success" />
+            Uptime
+          </span>
+          <span className="flex items-center gap-2">
+            <span className="h-2.5 w-2.5 rounded-sm bg-danger" />
+            Downtime or degraded
+          </span>
+        </div>
+      </div>
+
       <div className="grid gap-4 lg:grid-cols-3">
         {checks.map((check) => (
           <article className="rounded-lg border border-border bg-fury-white p-5 shadow-sm" key={check.name}>