Minor demo fixes

streamlit_epic2_demo.py

@@ -182,10 +182,16 @@ def main():
         "🔧 Technical Deep-dive": "technical_deepdive"
     }
     
+    # Handle forced navigation to overview
+    default_index = 0
+    if hasattr(st.session_state, 'force_overview') and st.session_state.force_overview:
+        default_index = 0
+        st.session_state.force_overview = False  # Reset the flag
+    
     selected_page = st.sidebar.selectbox(
         "Select Demo Page:",
         list(pages.keys()),
-        index=0
+        index=default_index
     )
     
     # System status in sidebar
@@ -206,8 +212,13 @@ def main():
         st.sidebar.markdown(f"**Architecture:** {system_status['architecture'].title()}")
         st.sidebar.markdown("**Epic 2 Features:** ✅ All Active")
     else:
-        st.sidebar.markdown("**Status:** <span class='status-processing'>🟡 Initializing</span>", unsafe_allow_html=True)
-        st.sidebar.markdown("**Loading:** Epic 2 System...")
+        if not system_manager.is_initialized:
+            st.sidebar.markdown("**Status:** <span style='color: #dc3545; font-weight: bold;'>🔴 Needs Init</span>", unsafe_allow_html=True)
+            st.sidebar.markdown("**Action:** Go to System Overview")
+            st.sidebar.markdown("**Click:** Initialize Epic 2 System")
+        else:
+            st.sidebar.markdown("**Status:** <span class='status-processing'>🟡 Initializing</span>", unsafe_allow_html=True)
+            st.sidebar.markdown("**Loading:** Epic 2 System...")
     
     # Model specifications in sidebar
     st.sidebar.markdown("---")
@@ -298,12 +309,15 @@ def show_system_overview():
     col1, col2, col3 = st.columns([1, 2, 1])
     with col2:
         if not system_manager.is_initialized:
+            st.warning("⚠️ **System Needs Initialization** - Click below to process documents and enable querying!")
+            
             if st.button("🚀 Initialize Epic 2 System", type="primary", use_container_width=True):
                 initialize_epic2_system()
             
             # Show demo mode info
-            st.info("🚀 **Demo Mode**: Using 10 documents for faster initialization")
+            st.info("🚀 **Demo Mode**: Using 10 RISC-V documents for faster initialization (~30 seconds)")
             st.info("🔧 **Architecture**: ModularUnifiedRetriever with all Epic 2 features")
+            st.info("💡 **After initialization**: Use 'Interactive Query' to ask questions!")
         else:
             system_status = system_manager.get_system_status()
             st.success(f"✅ Epic 2 System Online - {system_status['documents']} Documents Ready")
@@ -547,7 +561,24 @@ def show_interactive_query():
     st.header("💬 Interactive Query Interface")
     
     if not system_manager.is_initialized:
-        st.warning("⚠️ Please initialize the Epic 2 system from the System Overview page first.")
+        st.error("🚫 **System Not Initialized** - No documents have been indexed yet!")
+        
+        col1, col2, col3 = st.columns([1, 2, 1])
+        with col2:
+            st.markdown("""
+            ### 🚀 Quick Start Guide
+            1. **Go to System Overview** (first page)
+            2. **Click "Initialize Epic 2 System"** 
+            3. **Wait for document processing** (~30 seconds)
+            4. **Return here to start querying!**
+            """)
+            
+            if st.button("🏠 Go to System Overview", type="primary", use_container_width=True):
+                # This will trigger a rerun and change the page selection
+                st.session_state.force_overview = True
+                st.rerun()
+        
+        st.info("💡 **Why initialize?** The system needs to process and index documents before it can answer questions. This demo uses 10 RISC-V technical documents for faster setup.")
         return
     
     # Query input section
@@ -589,7 +620,24 @@ def show_results_analysis():
     st.header("📊 Results Analysis Dashboard")
     
     if not system_manager.is_initialized:
-        st.warning("⚠️ Please initialize the Epic 2 system from the System Overview page first.")
+        st.error("🚫 **System Not Initialized** - No documents have been indexed yet!")
+        
+        col1, col2, col3 = st.columns([1, 2, 1])
+        with col2:
+            st.markdown("""
+            ### 🚀 Quick Start Guide
+            1. **Go to System Overview** (first page)
+            2. **Click "Initialize Epic 2 System"** 
+            3. **Wait for document processing** (~30 seconds)
+            4. **Run some queries** in Interactive Query
+            5. **Return here to analyze results!**
+            """)
+            
+            if st.button("🏠 Go to System Overview", type="primary", use_container_width=True, key="results_to_overview"):
+                st.session_state.force_overview = True
+                st.rerun()
+        
+        st.info("💡 **What you'll see here:** Query performance metrics, retrieval analysis, Epic 2 feature effectiveness, and system diagnostics.")
         return
     
     # Check if we have query results to analyze