# Database DATABASE_URL=postgresql://postgres:postgres123@localhost:5432/ai_clinical_research?schema=public # Redis REDIS_URL=redis://localhost:6379 # JWT JWT_SECRET=your-secret-key-change-in-production JWT_EXPIRES_IN=7d # LLM API DEEPSEEK_API_KEY=your-deepseek-api-key DASHSCOPE_API_KEY=your-qwen-api-key # Dify DIFY_API_URL=http://localhost:3000 DIFY_API_KEY=your-dify-api-key # Server PORT=3001 NODE_ENV=development