Improve UX: Move upload UI to main area

app.py

@@ -439,54 +439,7 @@ with st.sidebar:
 
     st.divider()
     
-    # Ingestion Section
-    st.header("Import Codebase")
-    source_type = st.radio("Source Type", ["ZIP File", "GitHub Repository", "Web Documentation"])
-    
-    source_input = None
-    if source_type == "ZIP File":
-        uploaded_file = st.file_uploader("Upload .zip file", type="zip")
-        if uploaded_file:
-            # Use /tmp for Hugging Face compatibility (they only allow writes to /tmp)
-            import tempfile
-            upload_dir = tempfile.gettempdir()
-            source_input = os.path.join(upload_dir, "uploaded.zip")
-            with open(source_input, "wb") as f:
-                f.write(uploaded_file.getbuffer())
-    elif source_type == "GitHub Repository":
-        source_input = st.text_input("GitHub URL", placeholder="https://github.com/owner/repo")
-    elif source_type == "Web Documentation":
-        source_input = st.text_input("Web URL", placeholder="https://docs.python.org/3/")
-    
-    if source_input and not st.session_state.processed_files:
-        if st.button("Process & Index"):
-            if not api_key:
-                st.error(f"Please provide {provider} API Key.")
-            elif provider == "groq" and not embedding_api_key:
-                 st.error(f"Please provide {embedding_provider} API Key for embeddings.")
-            else:
-                # Use the new progress-tracked indexer
-                from code_chatbot.indexing_progress import index_with_progress
-                
-                chat_engine, success, repo_files, workspace_root = index_with_progress(
-                    source_input=source_input,
-                    source_type=source_type,
-                    provider=provider,
-                    embedding_provider=embedding_provider,
-                    embedding_api_key=embedding_api_key,
-                    vector_db_type=vector_db_type,
-                    use_agent=use_agent,
-                    api_key=api_key,
-                    gemini_model=gemini_model  # Pass selected model
-                )
-                
-                if success:
-                    st.session_state.chat_engine = chat_engine
-                    st.session_state.processed_files = True
-                    st.session_state.indexed_files = repo_files  # For file tree
-                    st.session_state.workspace_root = workspace_root  # For relative paths
-                    time.sleep(0.5)  # Brief pause to show success
-                    st.switch_page("pages/1_⚡_Code_Studio.py")
+    # Ingestion moved to main area
 
     if st.session_state.processed_files:
         st.success(f"✅ Codebase Ready ({provider}) + AST 🧠")
@@ -540,14 +493,60 @@ st.title("🕷️ Code Crawler")
 
 if not st.session_state.processed_files:
     # Show onboarding message when no files are processed
-    st.info("👈 Please upload and index a codebase (ZIP, GitHub, or Web URL) to start.")
-    st.markdown("""
-    ### 🚀 Getting Started
-    1. **Configure** your API key in the sidebar
-    2. **Upload** a ZIP file, enter a GitHub URL, or Web documentation URL
-    3. **Index** your codebase with one click
-    4. **Explore** your code with the file explorer and chat interface
-    """)
+    # --- Main Ingestion Section ---
+    st.header("🚀 Import Codebase")
+    st.caption("Upload your project to get started. Configure advanced settings in the sidebar (open with >).")
+    
+    if not api_key:
+        st.warning(f"⚠️ {provider.capitalize()} API Key is missing. Open the sidebar (top-left) to configure it.")
+    
+    source_type = st.radio("Source Type", ["ZIP File", "GitHub Repository", "Web Documentation"], horizontal=True)
+    
+    source_input = None
+    if source_type == "ZIP File":
+        uploaded_file = st.file_uploader("Upload .zip file", type="zip")
+        if uploaded_file:
+            import tempfile
+            upload_dir = tempfile.gettempdir()
+            source_input = os.path.join(upload_dir, "uploaded.zip")
+            with open(source_input, "wb") as f:
+                f.write(uploaded_file.getbuffer())
+                
+    elif source_type == "GitHub Repository":
+        source_input = st.text_input("GitHub URL", placeholder="https://github.com/owner/repo")
+        
+    elif source_type == "Web Documentation":
+        source_input = st.text_input("Web URL", placeholder="https://docs.python.org/3/")
+    
+    if source_input and not st.session_state.processed_files:
+        if st.button("🚀 Process & Index", type="primary"):
+            if not api_key:
+                st.error(f"Please configure {provider} API Key in the sidebar.")
+            elif provider == "groq" and not embedding_api_key:
+                 st.error(f"Please configure {embedding_provider} API Key for embeddings in the sidebar.")
+            else:
+                # Use the new progress-tracked indexer
+                from code_chatbot.indexing_progress import index_with_progress
+                
+                chat_engine, success, repo_files, workspace_root = index_with_progress(
+                    source_input=source_input,
+                    source_type=source_type,
+                    provider=provider,
+                    embedding_provider=embedding_provider,
+                    embedding_api_key=embedding_api_key,
+                    vector_db_type=vector_db_type,
+                    use_agent=use_agent,
+                    api_key=api_key,
+                    gemini_model=gemini_model  # Pass selected model
+                )
+                
+                if success:
+                    st.session_state.chat_engine = chat_engine
+                    st.session_state.processed_files = True
+                    st.session_state.indexed_files = repo_files
+                    st.session_state.workspace_root = workspace_root
+                    time.sleep(0.5)
+                    st.switch_page("pages/1_⚡_Code_Studio.py")
 else:
     # Codebase Ready! Redirect to Code Studio
     st.switch_page("pages/1_⚡_Code_Studio.py")