refactor: remove duplicate cache management and API testing sections

pages/ETF_Portfolio_Builder.py

@@ -1,5 +1,20 @@
-# --- Imports & Settings ---
 import streamlit as st
+st.set_page_config(
+    page_title="ETF Dividend Portfolio Builder",
+    page_icon="💼",
+    layout="wide",
+    initial_sidebar_state="expanded"
+)
+
+# Add navigation in sidebar
+with st.sidebar:
+    st.markdown("### Navigation")
+    if st.button("🏠 ETF Suite Launcher", key="launcher_portfolio"):
+        st.switch_page("ETF_Suite_Launcher.py")
+    if st.button("📈 ETF Analyzer", key="analyzer_portfolio"):
+        st.switch_page("ETF_Analyzer.py")
+
+# --- Imports & Settings ---
 import pandas as pd
 import plotly.express as px
 import plotly.graph_objects as go
@@ -2031,7 +2046,6 @@ def analyze_etf_erosion_risk(tickers: List[str], debug: bool = False) -> pd.Data
     return pd.DataFrame(risk_data)
 
 # --- Streamlit Setup ---
-st.set_page_config(page_title="ETF Dividend Portfolio Builder", layout="wide")
 st.title("💸 ETF Dividend Portfolio Builder")
 
 # Initialize session state for real-time updates
@@ -2362,7 +2376,7 @@ with st.sidebar.expander("Advanced Options"):
     # Cache clearing options
     col1, col2 = st.columns(2)
     with col1:
-        if st.button("Clear All Cache"):
+        if st.button("Clear All Cache", key="clear_all_cache"):
             clear_cache()
             st.success("All cache files cleared!")
             st.session_state.api_calls = 0
@@ -2440,10 +2454,6 @@ if st.session_state.get("run_fmp_test", False):
     # Run the API test function
     test_fmp_api()
     
-    # Add button to return to main app
-    if st.button("Return to Main App"):
-        st.rerun()
-    
     # Stop execution to prevent the main app from rendering
     st.stop()
 
@@ -3328,4 +3338,6 @@ if st.session_state.simulation_run and st.session_state.df_data is not None:
                 "ETF_Portfolio_Plan.pdf",
                 mime="application/pdf",
                 use_container_width=True
-            )
+            )
+
+# End of file