fix: English only, remove language toggle

app.py

@@ -782,7 +782,7 @@ with gr.Blocks(title="PaperProf", css=CSS) as demo:
     chunk_display    = gr.Textbox(value="",        label="chunk",   elem_id="hidden-chunk-output")
     mcq_trigger      = gr.Textbox(value="0",       label="mcqtrig", elem_id="hidden-mcq-trigger")
     mcq_output       = gr.Textbox(value="",        label="mcqout",  elem_id="hidden-mcq-output")
-    language_box     = gr.Textbox(value="Français",label="lang",    elem_id="hidden-language-box")
+    language_box     = gr.Textbox(value="English", label="lang", elem_id="hidden-language-box")
 
     load_btn.click(
         load_pdf,

ui/index.html

@@ -394,11 +394,6 @@
           <button class="pill active" id="mode-open-btn">Open Q</button>
           <button class="pill" id="mode-mcq-btn">MCQ</button>
         </div>
-        <!-- Language toggle -->
-        <div class="toggle-group">
-          <button class="pill" id="lang-en-btn">EN</button>
-          <button class="pill active" id="lang-fr-btn">FR</button>
-        </div>
         <!-- Score ring -->
         <div class="score-wrap" style="margin-left:auto" title="Score">
           <svg class="score-ring" viewBox="0 0 56 56">