Fix transcript DOCX line numbering (invalid 'eachPage' value)

- Replace invalid 'eachPage' with valid 'newPage' for w:lnNumType restart attribute
- This ensures Word starts line numbering at 1 on the first page

scraibe/email_sender.py

@@ -335,8 +335,8 @@ def _enable_line_numbering(section, start_at=1, count_by=1, restart=True):
     lnNumType.set(qn("w:start"), str(start_at))
     lnNumType.set(qn("w:countBy"), str(count_by))
 
-    # 'eachPage' restarts numbering on every page; 'continuous' keeps it going
-    restart_mode = "eachPage" if restart else "continuous"
+    # 'newPage' restarts numbering on every page; 'continuous' keeps it going
+    restart_mode = "newPage" if restart else "continuous"
     lnNumType.set(qn("w:restart"), restart_mode)
 
     sectPr.append(lnNumType)