Update app.py

app.py

@@ -967,7 +967,8 @@ async def agent_query(req: AgentRequest):
 
     # ---- Early greeting handling ----
     q_clean = question.strip()
-    if PURE_GREETING_RE.match(q_clean):
+    q_norm = re.sub(r"\s+", " ", q_clean.lower()).strip(" !?.")
+    if PURE_GREETING_RE.match(q_clean) or q_norm in {"hi", "hello", "hey", "good morning", "good afternoon", "good evening"}:
         answer = (
             "Hi! I’m <strong>LibBee</strong>, the Khalifa University Library AI Assistant.<br><br>"
             "I can help you find articles and books, search databases, access full text, "