feat: implement Phase 4 (CSV export, share, sync indicators, OS themes) and add dev starter script

scripts/start-dev.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# Configuration
+SERVER_PORT=5000
+CLIENT_PORT=5173
+
+echo "========================================"
+echo "   Kapteins Daagbox Dev Environment   "
+echo "========================================"
+echo "Preparing to (re)start services..."
+
+# Clean up processes running on ports
+cleanup_port() {
+  local port=$1
+  if command -v lsof >/dev/null 2>&1; then
+    local pid=$(lsof -t -i:$port)
+    if [ ! -z "$pid" ]; then
+      echo "Port $port is currently in use by PID $pid. Stopping process..."
+      kill -9 $pid 2>/dev/null
+    fi
+  elif command -v fuser >/dev/null 2>&1; then
+    echo "Port $port is currently in use. Stopping process..."
+    fuser -k $port/tcp 2>/dev/null
+  fi
+}
+
+cleanup_port $SERVER_PORT
+cleanup_port $CLIENT_PORT
+
+# Clean exit handler
+cleanup_all() {
+  echo ""
+  echo "Stopping all dev servers..."
+  # Kill all child jobs
+  kill $(jobs -p) 2>/dev/null
+  exit 0
+}
+
+# Trap termination signals
+trap cleanup_all SIGINT SIGTERM EXIT
+
+# Start backend server
+echo "Starting backend API server..."
+cd server
+npm run dev &
+cd ..
+
+# Sleep briefly to let server start up
+sleep 1.5
+
+# Start frontend client
+echo "Starting frontend dev server..."
+cd client
+npm run dev &
+cd ..
+
+echo "========================================"
+echo "Dev services are now running:"
+echo " -> Backend:  http://localhost:$SERVER_PORT"
+echo " -> Frontend: http://localhost:$CLIENT_PORT"
+echo "========================================"
+echo "Press Ctrl+C to terminate both servers."
+echo "========================================"
+
+# Block to keep parent process alive
+wait