refactor: remove progress bar from job loading UI

- Removed progress bar HTML element and CSS
- Removed startProgress() and finishProgress() functions
- Simplified job loading flow (jobs now display instantly)
- Progress tracking removed; jobs render as they load

frontend/index.html

@@ -33,10 +33,6 @@
   </div>
   <h1 class="m-0 mb-3 text-center text-blue-600 text-[33px] font-bold">Job Info</h1>
 
-  <div class="w-full bg-blue-50 h-1.5 rounded overflow-hidden mb-3">
-    <div id="progressBar" class="h-full w-0 bg-blue-600 transition-all duration-300 ease-out"></div>
-  </div>
-
   <input id="searchBox" placeholder="Search jobs (just start typing)" class="w-full p-2.5 rounded-lg border border-gray-300 mb-2 text-lg placeholder:text-gray-400">
 
   <button id="filterToggle" class="bg-blue-600 text-white py-2 px-2.5 rounded-lg border-none cursor-pointer mb-2 inline-block min-w-[140px]">Show Filters</button>
@@ -256,7 +252,6 @@
   }
   window.clearJobsCache = clearJobsCache;
 
-  const progressBar = document.getElementById('progressBar');
   const searchBox = document.getElementById('searchBox');
   const resultsEl = document.getElementById('results');
   const filtersPanel = document.getElementById('filtersPanel');
@@ -350,20 +345,8 @@
   }
   loadVersion();
 
-  let progTimer=null;
-  function startProgress(){
-    progressBar.style.width='0%';
-    if(progTimer) clearInterval(progTimer);
-    let simulatedProg=0;
-    progTimer=setInterval(()=>{
-      if(simulatedProg<65){ simulatedProg+=0.8; progressBar.style.width=Math.min(65,simulatedProg).toFixed(1)+'%'; }
-    },150);
-  }
-  function finishProgress(){ if(progTimer) clearInterval(progTimer); progressBar.style.width='100%'; setTimeout(()=>{progressBar.parentElement.classList.add('hidden');},400); }
-
   // --- Fetch all jobs ---
   async function fetchAllJobs(){
-    startProgress();
     clearJobsCache('Loading…');
     let page=1, totalItems=0;
     try{
@@ -379,14 +362,10 @@
         // Apply filters on the currently loaded pages so initial results reflect preferences immediately.
         applyFiltersAndRender();
 
-        if(progTimer) clearInterval(progTimer);
-        const realProg=Math.min(95, Math.floor((jobsCache.length / Math.max(1,totalItems)) * 95));
-        progressBar.style.width=realProg+'%';
         if(jobsCache.length >= totalItems || items.length===0) break;
         page++;
       }
-      finishProgress();
-    }catch(err){ finishProgress(); alert('Failed to fetch jobs: '+err.message); console.error(err);}
+    }catch(err){ alert('Failed to fetch jobs: '+err.message); console.error(err);}
   }
   
   function renderInitialBatch(jobs){