Fix backend runtime dependency and web deploy permissions

backend/requirements.txt

@@ -3,6 +3,7 @@ uvicorn[standard]==0.24.0
 sqlalchemy==2.0.23
 asyncpg==0.29.0
 pydantic==2.5.2
+email-validator==2.2.0
 pydantic-settings==2.1.0
 python-jose[cryptography]==3.3.0
 bcrypt==4.2.1

deploy/deploy_remote.sh

@@ -35,7 +35,8 @@ sudo -n systemctl daemon-reload
 sudo -n systemctl enable ai-agent-admin-backend.service
 sudo -n systemctl restart ai-agent-admin-backend.service
 
-mkdir -p "$WEB_DIR"
+sudo -n mkdir -p "$WEB_DIR"
+sudo -n chown ubuntu:ubuntu "$WEB_DIR"
 rm -rf "$WEB_DIR"/*
 cp -a "$APP_DIR/frontend/dist/." "$WEB_DIR/"