fix: athlete page falls back to /api/athlete when static file not yet rebuilt

site/src/components/AthleteView.svelte

@@ -42,7 +42,15 @@
         loadAthlete(import.meta.env.BASE_URL, athleteUrl || undefined),
         loadIndex(import.meta.env.BASE_URL, indexUrl || undefined),
       ]);
-      athlete = athleteData as AthleteJson | null;
+      // Static file may not exist yet if the background rebuild hasn't finished — fall back to API
+      let resolvedAthlete = athleteData as AthleteJson | null;
+      if (!resolvedAthlete && editEnabled) {
+        try {
+          const r = await fetch('/api/athlete', { credentials: 'include' });
+          if (r.ok) resolvedAthlete = await r.json() as AthleteJson;
+        } catch { /* ignore */ }
+      }
+      athlete = resolvedAthlete;
       activities = index.activities.filter(a => a.mmp && a.privacy !== 'private');
     } catch (e: any) {
       error = e.message;
@@ -52,8 +60,11 @@
   });
 
   async function onSaved() {
-    const res = await fetch(`${import.meta.env.BASE_URL}data/athlete.json?t=${Date.now()}`);
-    if (res.ok) athlete = await res.json();
+    // Try static file first; fall back to API (works before the background rebuild finishes)
+    const staticUrl = athleteUrl || `${import.meta.env.BASE_URL}data/athlete.json`;
+    let res = await fetch(`${staticUrl}?t=${Date.now()}`);
+    if (!res.ok) res = await fetch('/api/athlete', { credentials: 'include' });
+    if (res.ok) athlete = await res.json() as AthleteJson;
     drawerOpen = false;
   }