ui: capitalize QUEST in header and hero-heading

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

app.py

@@ -1845,7 +1845,7 @@ with gr.Blocks(
         """
 <header class="quest-header">
   <div class="quest-header-text">
-    <h1 class="quest-header-title"><span class="quest-name">Quest</span>: A Fully Open Recipe for Training Deep Research Agents from Scratch</h1>
+    <h1 class="quest-header-title"><span class="quest-name">QUEST</span>: A Fully Open Recipe for Training Deep Research Agents from Scratch</h1>
     <a class="quest-header-byline" href="https://x.com/osunlp" target="_blank" rel="noopener noreferrer">Built by OSU NLP Group</a>
   </div>
 </header>
@@ -1858,7 +1858,7 @@ with gr.Blocks(
             with gr.Group(elem_classes="section-card"):
                 gr.HTML(
                     '<div class="section-heading">Ask the agent</div>'
-                    '<div class="hero-heading"><span class="quest-name">Quest</span>: What I can research for you?</div>'
+                    '<div class="hero-heading"><span class="quest-name">QUEST</span>: What I can research for you?</div>'
                 )
                 question = gr.Textbox(
                     show_label=False,