add spaces in product display

src/streamlit_app.py

@@ -15,7 +15,7 @@ On HuggingFace Spaces, set these environment variables in Space Settings → Var
     DATASET_REPO_ID    - HuggingFace dataset repo to upload results
     DEBUG_MODE         - "true" to skip validation (optional)
 """
-
+import re
 import csv
 import html as html_lib
 import json
@@ -804,8 +804,10 @@ def inject_css():
 # ---------------------------------------------------------------------------
 # HTML escaping
 # ---------------------------------------------------------------------------
+
 def _safe(text: str) -> str:
     unescaped = html_lib.unescape(str(text))
+    unescaped = re.sub(r'([.!?:])([A-Z])', r'\1 \2', unescaped)
     escaped = html_lib.escape(unescaped)
     for ch in ['*', '_', '~', '`', '[', ']']:
         escaped = escaped.replace(ch, f'&#{ord(ch)};')