Update app.py

app.py

@@ -20,10 +20,10 @@ from sklearn.metrics import mean_squared_error  # MAE removed
 # =========================
 # Constants / Defaults
 # =========================
-APP_NAME = "ST_GeoMech_TOC"
-TAGLINE  = "Real-Time Total Organic Carbon Estimation While Drilling"
+APP_NAME = "ST_TOC"
+TAGLINE  = "Total Organic Carbon Estimation Using AI"
 
-FEATURES = ["AHT90", "DT", "GR", "K", "RHOB", "TNPH", "Th", "Ur"]
+FEATURES = ["AHT90 (Average Hydrocarbon Tool 90° Phase)", "DT (Delta-T Sonic Travel Time)", "GR (Gamma Ray)", "K (Potassium)", "RHOB (Bulk Density)", "TNPH (Thermal Neutron Porosity)", "Th (Thorium)", "Ur (Uranium)"]
 TARGET    = "TOC"
 PRED_COL  = "TOC_Pred"
 
@@ -382,7 +382,7 @@ def render_export_button(phase_key: str) -> None:
         st.download_button(
             label="⬇️ Export Excel",
             data=b"",
-            file_name="UCS_Export.xlsx",
+            file_name="TOC_Export.xlsx",
             mime="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
             disabled=True,
             key=f"download_{phase_key}",
@@ -568,7 +568,7 @@ def ensure_model() -> Path|None:
 
 mpath = ensure_model()
 if not mpath:
-    st.error("Model not found. Upload models/ucs_rf.joblib (or set MODEL_URL).")
+    st.error("Model not found. Upload models/toc_rf.joblib (or set MODEL_URL).")
     st.stop()
 try:
     model = load_model(str(mpath))
@@ -646,12 +646,12 @@ def sticky_header(title, message):
 # =========================
 if st.session_state.app_step == "intro":
     st.header("Welcome!")
-    st.markdown("This software is developed by *Smart Thinking AI-Solutions Team* to estimate **UCS** from drilling data.")
+    st.markdown("This software is developed by *Smart Thinking AI-Solutions Team* to estimate **Total Organic Carbon (TOC)** from logging data.")
     st.subheader("How It Works")
     st.markdown(
         "1) **Upload your data to build the case and preview the model performance.** \n"
         "2) Click **Run Model** to compute metrics and plots. \n"
-        "3) **Proceed to Validation** (with actual UCS) or **Proceed to Prediction** (no UCS)."
+        "3) **Proceed to Validation** (with actual TOC) or **Proceed to Prediction** (no TOC)."
     )
     if st.button("Start Showcase", type="primary"):
         st.session_state.app_step = "dev"; st.rerun()