Fix: robust token/session handling, no client-side job data caching, improved reauth flow

frontend/index.html

@@ -414,35 +414,13 @@
     clearJobsCache('Loading…');
     const startTime = performance.now();
     try{
-      // Check client-side cache first (sessionStorage)
-      const cachedData = sessionStorage.getItem('jobsCache');
-      const cacheTime = sessionStorage.getItem('jobsCacheTime');
-      const cacheAge = cacheTime ? Date.now() - parseInt(cacheTime) : Infinity;
-      
-      // Use client cache if less than 5 minutes old
-      if (cachedData && cacheAge < 300000) {
-        const data = JSON.parse(cachedData);
-        jobsCache.push(...data);
-        const loadTime = Math.round(performance.now() - startTime);
-        console.log(`✓ Loaded ${data.length} jobs from CLIENT CACHE in ${loadTime}ms`);
-        progressBar.style.width='95%';
-        applyFiltersAndRender();
-        finishProgress();
-        return;
-      }
-      
-      // Use single cached endpoint that returns all jobs at once
+      // All job data should be fetched from backend/Valkey cache
       const url = `/api/jobs-all`;
       const res = await fetchNoCache(url);
       if(!res.ok) throw new Error(`Fetch failed: ${res.status}`);
       const data = await res.json();
       const items = data.items || [];
       jobsCache.push(...items);
-      
-      // Store in client-side cache
-      sessionStorage.setItem('jobsCache', JSON.stringify(items));
-      sessionStorage.setItem('jobsCacheTime', Date.now().toString());
-      
       const loadTime = Math.round(performance.now() - startTime);
       console.log(`✓ Loaded ${items.length} jobs from API in ${loadTime}ms`);
 
@@ -450,7 +428,7 @@
       progressBar.style.width='95%';
       const renderStart = performance.now();
       applyFiltersAndRender();
-      const renderTime = Math.round(performance.now() - renderStart);
+      const renderTime = Math.round(performance.now() - startTime);
       console.log(`✓ Rendered jobs in ${renderTime}ms (Total: ${Math.round(performance.now() - startTime)}ms)`);
       finishProgress();
     }catch(err){ finishProgress(); alert('Failed to fetch jobs: '+err.message); console.error(err);}