refactor: clean up unused imports and improve code organization

src/utils/richtext.py

@@ -1,14 +1,9 @@
 from datetime import datetime
 from docx import Document
 from docx.enum.text import WD_PARAGRAPH_ALIGNMENT
-from docx.enum.table import WD_ROW_HEIGHT_RULE
-from docx.shared import Pt, RGBColor, Cm, Inches
+from docx.shared import Pt, RGBColor, Cm
 from docx.oxml import OxmlElement
 from docx.oxml.ns import qn
-from docx2pdf import convert
-import win32print
-import win32api
-import tempfile
 import os
 from os.path import basename