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

app.py

@@ -850,9 +850,8 @@ 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)
@@ -954,9 +953,8 @@ 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)
@@ -1333,7 +1331,7 @@ 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:
@@ -1342,9 +1340,9 @@ def run_pipeline(arxiv_url, pdf_file, openai_key, logo_files, meeting_logo_file,
             # Prefer file-served iframe to avoid large data: URIs and browser blocks
             pdf_html = _pdf_to_iframe_file(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: