Refactor PDF generation and attachment logic

- Generate PDFs by:
  - Creating individual .docx components (cover, transcript, summary)
  - Converting each .docx to PDF
  - Merging PDFs in correct order
  - Adding page numbers to final PDFs

- Transcribe & Summarize:
  - Attach: JSON, transcript MD, summary MD, TRANSCRIPT.pdf, SUMMARY.pdf, COMBINED.pdf

- Transcribe only:
  - Attach: JSON, transcript MD, TRANSCRIPT.pdf

- Ensure transcript line numbering is isolated to its own .docx before PDF merge

scraibe/tasks.py

@@ -546,12 +546,16 @@ def process_transcription_task(
             temp_files.append(docx_combined_path)
 
         # 4b) Generate PDF documents
+
+        # Always use transcript text; use summary_text only if include_summary is True
+        pdf_summary_text = summary_text if include_summary else ""
+
         pdf_files = {}
         try:
             pdf_output_dir = tempfile.mkdtemp(prefix="pdf_output_")
             pdf_files = generate_pdf_documents(
                 transcript_text=transcript_text,
-                summary_text=summary_text if include_summary else "",
+                summary_text=pdf_summary_text,
                 output_dir=pdf_output_dir,
                 transcript_cover_date=today_str,
                 transcript_cover_desc=transcript_cover_desc,
@@ -565,17 +569,23 @@ def process_transcription_task(
             logger.warning("PDF generation failed (continuing with DOCX attachments): %s", e)
 
         # 5) Build attachments list
+
+        # Base attachments: JSON, transcript MD, transcript DOCX
         attachments = [
             md_transcript_path,
             docx_transcript_path,
             json_path,
         ]
+
+        # If summary is present, add summary MD and DOCXs
         if summary_text:
             attachments += [md_summary_path, docx_summary_path]
             if docx_combined_path:
                 attachments.append(docx_combined_path)
 
-        # Add PDFs to attachments
+        # Add PDFs based on mode:
+        # - Always: TRANSCRIPT.pdf
+        # - If summary: SUMMARY.pdf and COMBINED.pdf
         if pdf_files.get("transcript_pdf"):
             attachments.append(pdf_files["transcript_pdf"])
         if pdf_files.get("summary_pdf"):