feat: Add new analysis documents and update installation scripts for backend integration

This commit introduces several new analysis documents, including Auto-Match Load Performance Analysis, Folder Picker Analysis, Monorepo Migration Summary, and various performance analysis documents. Additionally, the installation scripts are updated to reflect changes in backend service paths, ensuring proper integration with the new backend structure. These enhancements provide better documentation and streamline the setup process for users.

stop_backend.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+# Stop FastAPI backend server
+
+echo "🛑 Stopping FastAPI server..."
+
+# Find and kill uvicorn processes
+pkill -f "uvicorn backend.app:app" 2>/dev/null
+
+# Also kill any Python processes on port 8000
+PID=$(lsof -ti :8000 2>/dev/null)
+if [ ! -z "$PID" ]; then
+    kill -9 $PID 2>/dev/null
+    echo "✅ Killed process $PID on port 8000"
+fi
+
+sleep 1
+
+# Verify port is free
+if lsof -i :8000 >/dev/null 2>&1; then
+    echo "⚠️  Port 8000 is still in use"
+else
+    echo "✅ Port 8000 is now free"
+fi
+