Preview-only image: hide all PDF HTML previews; debug flows return only PDF path; pipeline stops building PDF HTML

app.py

@@ -903,9 +903,8 @@ def debug_compile_last_pipeline_zip():
             None,
         )
     try:
-        html = _pdf_preview_html(pdf_path, height="700px")
         _write_logs(LOG_PATH, logs)
-        return html, str(pdf_path)
+        return "", str(pdf_path)
     except Exception as e:
         logs.append(f"⚠️ preview failed: {e}")
         _write_logs(LOG_PATH, logs)
@@ -1007,9 +1006,8 @@ def debug_compile_uploaded_zip(zip_file):
             None,
         )
     try:
-        html = _pdf_preview_html(pdf_path, height="700px")
         _write_logs(LOG_PATH, logs)
-        return html, str(pdf_path)
+        return "", str(pdf_path)
     except Exception as e:
         logs.append(f"⚠️ preview failed: {e}")
         _write_logs(LOG_PATH, logs)
@@ -1211,17 +1209,16 @@ def run_pipeline(arxiv_url, pdf_file, openai_key, logo_files, meeting_logo_file,
     _write_logs(LOG_PATH, logs)
     yield "\n".join(logs), "", None, None, ""
 
-    # ====== Compile PDF (for inline preview) ======
+    # ====== Compile PDF (for download + image preview) ======
     pdf_html = ""
     compiled_pdf_file = None
     try:
         pdf_path = _compile_poster_pdf(OUTPUT_DIR, logs)
         if pdf_path and pdf_path.exists():
-            pdf_html = _pdf_preview_html(pdf_path)
             compiled_pdf_file = str(pdf_path)
-            logs.append("🖨️ PDF ready for preview in UI.")
+            logs.append("🖨️ PDF compiled (image preview available).")
     except Exception as e:
-        logs.append(f"⚠️ PDF compile/preview skipped: {e}")
+        logs.append(f"⚠️ PDF compile skipped: {e}")
 
     # ====== Zip output (run-local) ======
     try:
@@ -1322,17 +1319,17 @@ The framework builds upon [CAMEL-ai](https://github.com/camel-ai/camel).
         with gr.Column(scale=1):
             with gr.Accordion("Output", open=True):
                 logs_out     = gr.Textbox(label="🧾 Logs (8–10 minutes)", lines=30, max_lines=50)
-                pdf_out      = gr.HTML(label="📄 Poster (PDF Preview)")
+                pdf_out      = gr.HTML(label="📄 Poster (PDF Preview)", visible=False)
                 img_out      = gr.Image(label="🖼️ Poster (Image Preview)", interactive=False)
                 pdf_file_out = gr.File(label="📄 Download Poster (PDF)")
                 zip_out      = gr.File(label="📦 Download Results (.zip)")
                 overleaf_out = gr.HTML(label="Open in Overleaf")
                 debug_zip_btn= gr.Button("🐞 Test repo output.zip", variant="secondary")
-                debug_zip_out= gr.HTML(label="🐞 Real Output Preview")
+                debug_zip_out= gr.HTML(label="🐞 Real Output Preview", visible=False)
                 debug_zip_img= gr.Image(label="🐞 Real Output Image", interactive=False)
                 debug_zip_pdfpath = gr.Textbox(visible=False)
                 debug_last_btn= gr.Button("🐞 Test last pipeline zip", variant="secondary")
-                debug_last_out= gr.HTML(label="🐞 Last Pipeline Preview")
+                debug_last_out= gr.HTML(label="🐞 Last Pipeline Preview", visible=False)
                 debug_last_img= gr.Image(label="🐞 Last Output Image", interactive=False)
                 debug_last_pdfpath = gr.Textbox(visible=False)
     _run_evt = run_btn.click(