Update app.py

app.py

@@ -966,11 +966,12 @@ async def agent_query(req: AgentRequest):
     use_claude = req.model == "claude" and bool(os.environ.get("ANTHROPIC_API_KEY"))
 
     # ---- Early greeting handling ----
-    if PURE_GREETING_RE.match(question):
+    q_clean = question.strip()
+    if PURE_GREETING_RE.match(q_clean):
         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, request Interlibrary Loan (ILL), "
-            "and answer questions about library services and staff.<br><br>"
+            "I can help you find articles and books, search databases, access full text, "
+            "request Interlibrary Loan (ILL), and answer questions about library services and staff.<br><br>"
             "Are you looking for one of these? You can also type your question directly."
         )
         elapsed = time.time() - start
@@ -990,6 +991,7 @@ async def agent_query(req: AgentRequest):
             "source_mode": "social",
         }
 
+
     if _looks_library_hours_question(question):
         elapsed = time.time() - start
         return {