update chatbot

src/agents/chatbot.py

@@ -148,10 +148,11 @@ class ChatbotAgent:
             text = result.content if hasattr(result, "content") else str(result)
             text = text.replace("!", ".").replace("?", ".").replace(";", ".").replace("*", "")
 
-            sentences = [s.strip() for s in text.split(".") if s.strip()][:3]
+            # Split on sentence boundaries (period + space/newline), not decimal dots like "184.900"
+            sentences = [s.strip() for s in re.split(r'\.\s+', text) if s.strip()][:3]
 
             def sanitize(sentence: str) -> str:
-                sentence = re.sub(r"[^A-Za-z0-9 .]", " ", sentence)
+                sentence = re.sub(r"[^A-Za-z0-9 .,]", " ", sentence)
                 sentence = re.sub(r"\s+", " ", sentence).strip()
                 return sentence