Update app.py

app.py

@@ -184,19 +184,27 @@ with tab1:
 # ------------------ Technical Tab ------------------
 with tab2:
     ASSISTANT_ID = "asst_DjvuWBc7tCvMbAhY7n1em4BZ"
+
+    # Initialize session state variables
     if "tech_messages" not in st.session_state:
         st.session_state.tech_messages = []
     if "tech_thread_id" not in st.session_state:
         st.session_state.tech_thread_id = None
     if "tech_results" not in st.session_state:
         st.session_state.tech_results = []
-    st.session_state.tech_lightbox = None
+    if "tech_new_input" not in st.session_state:
+        st.session_state.tech_new_input = False
+    if "tech_lightbox" not in st.session_state:
+        st.session_state.tech_lightbox = None
 
+    # Input box
     tech_input = st.chat_input("Ask about plans, drawings or components")
     if tech_input:
         st.session_state.tech_messages.append({"role": "user", "content": tech_input})
+        st.session_state.tech_new_input = True  # Flag to process this new input
 
-    if st.session_state.tech_messages and st.session_state.tech_messages[-1]["role"] == "user":
+    # Run assistant only if new input was entered
+    if st.session_state.tech_new_input:
         try:
             if st.session_state.tech_thread_id is None:
                 thread = client.beta.threads.create()
@@ -234,15 +242,21 @@ with tab2:
                         except:
                             st.session_state.tech_results = []
                         break
+            else:
+                st.error("❌ Assistant run failed.")
         except Exception as e:
             st.error(f"❌ Technical Assistant Error: {e}")
+        finally:
+            st.session_state.tech_new_input = False  # Reset the flag
 
+    # Filtering & Pagination UI
     with st.expander("🔧 Options (Filter + Pagination)", expanded=False):
         disciplines = sorted(set(d.get("discipline", "") for d in st.session_state.tech_results))
         selected = st.selectbox("🌍 Filter by discipline", ["All"] + disciplines)
         page_size = 8
         page = st.number_input("Page", min_value=1, step=1, value=1)
 
+    # Results display
     if st.session_state.tech_results:
         st.subheader("📂 Results")
         results = [r for r in st.session_state.tech_results if selected == "All" or r.get("discipline") == selected]
@@ -265,4 +279,4 @@ with tab2:
     else:
         for msg in st.session_state.tech_messages:
             with st.chat_message(msg["role"]):
-                st.markdown(msg["content"], unsafe_allow_html=True)
+                st.markdown(msg["content"], unsafe_allow_html=True)