chore(ports): Streamlit 端口参数化（默认8502）并修正启动提示

scripts/start-dev.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+# Video Flow - 开发环境启动脚本
+
+set -e
+
+echo "🚀 启动 Video Flow 开发环境..."
+
+# 检查 Redis
+if ! command -v redis-cli &> /dev/null; then
+    echo "⚠️  Redis 未安装，使用 Docker 启动..."
+    docker run -d --name video-flow-redis -p 6379:6379 redis:7-alpine 2>/dev/null || true
+fi
+
+# 启动后端 API (后台)
+echo "📡 启动 FastAPI 后端 (port 8000)..."
+cd "$(dirname "$0")/.."
+uvicorn api.main:app --host 0.0.0.0 --port 8000 --reload &
+API_PID=$!
+
+# 启动 Celery Worker (后台)
+echo "⚙️  启动 Celery Worker..."
+celery -A api.celery_app worker --loglevel=info --concurrency=2 &
+WORKER_PID=$!
+
+# 启动前端 (后台)
+echo "🌐 启动 React 前端 (port 3000)..."
+cd web
+npm install
+npm run dev &
+WEB_PID=$!
+
+# 启动 Streamlit (后台)
+STREAMLIT_PORT="${STREAMLIT_PORT:-8502}"
+echo "📊 启动 Streamlit 调试界面 (port ${STREAMLIT_PORT})..."
+cd ..
+streamlit run app.py --server.port "${STREAMLIT_PORT}" &
+STREAMLIT_PID=$!
+
+echo ""
+echo "✅ 所有服务已启动！"
+echo ""
+echo "📌 访问地址："
+echo "   - 视频编辑器: http://localhost:3000"
+echo "   - API 文档:   http://localhost:8000/api/docs"
+echo "   - 工作流控制台: http://localhost:${STREAMLIT_PORT}"
+echo ""
+echo "按 Ctrl+C 停止所有服务"
+
+# 等待并处理退出
+trap "kill $API_PID $WORKER_PID $WEB_PID $STREAMLIT_PID 2>/dev/null" EXIT
+wait
+