update chức năng gán file mp3 vào trang pdf

start-dev.sh

@@ -27,7 +27,7 @@ JWT_SECRET_KEY="${JWT_SECRET_KEY:?JWT_SECRET_KEY is not set in .env}"
 FRONTEND_PORT="${FRONTEND_PORT:-3011}"
 BACKEND_PORT="${BACKEND_PORT:-8001}"
 
-DATABASE_URL="postgresql+psycopg2://${POSTGRES_USER}:${POSTGRES_PASSWORD}@localhost:5433/${POSTGRES_DB}"
+DATABASE_URL="postgresql+psycopg2://${POSTGRES_USER}:${POSTGRES_PASSWORD}@localhost:5432/${POSTGRES_DB}"
 UPLOAD_DIR="./backend/uploads"
 
 # ── Colors ────────────────────────────────────────────────────────────────────
@@ -40,6 +40,15 @@ TARGET="${1:-both}"
 start_backend() {
   echo -e "${CYAN}${BOLD}▶ Starting Backend${NC} (port ${BACKEND_PORT})"
 
+  # Kill any process already occupying the backend port
+  local old_pid
+  old_pid=$(lsof -ti tcp:"$BACKEND_PORT" 2>/dev/null || true)
+  if [ -n "$old_pid" ]; then
+    echo -e "${YELLOW}  Killing process on port ${BACKEND_PORT} (PID ${old_pid})...${NC}"
+    kill -9 $old_pid 2>/dev/null || true
+    sleep 0.5
+  fi
+
   # Check Python venv
   VENV=""
   if [ -d backend/.venv ]; then
@@ -78,6 +87,15 @@ start_backend() {
 start_frontend() {
   echo -e "${CYAN}${BOLD}▶ Starting Frontend${NC} (port ${FRONTEND_PORT})"
 
+  # Kill any process already occupying the frontend port
+  local old_pid
+  old_pid=$(lsof -ti tcp:"$FRONTEND_PORT" 2>/dev/null || true)
+  if [ -n "$old_pid" ]; then
+    echo -e "${YELLOW}  Killing process on port ${FRONTEND_PORT} (PID ${old_pid})...${NC}"
+    kill -9 $old_pid 2>/dev/null || true
+    sleep 0.5
+  fi
+
   if [ ! -d frontend/node_modules ]; then
     echo -e "${YELLOW}  node_modules not found — running npm install...${NC}"
     (cd frontend && npm install)