feat: 长辈模式（大字大按钮 + 偏好按账号隔离）+ 语音输入（按住说话 + 实时转写 + 后端代理 DashScope ASR + 患者端专用）+ 健康仪表盘背景渐变

backend/.env.example

@@ -16,6 +16,14 @@ QWEN_BASE_URL=https://dashscope.aliyuncs.com/compatible-mode/v1
 QWEN_API_KEY=sk-your-key-here
 QWEN_VISION_MODEL=qwen-vl-max
 
+# 阿里云百炼实时语音输入（Fun-ASR）
+DASHSCOPE_ASR_API_KEY=sk-your-dashscope-key-here
+DASHSCOPE_ASR_WORKSPACE_ID=your-workspace-id
+DASHSCOPE_ASR_MODEL=fun-asr-realtime
+DASHSCOPE_ASR_MAX_DURATION_SECONDS=60
+# 可选；不填时按 Workspace ID 自动生成北京地域专属地址
+# DASHSCOPE_ASR_WEBSOCKET_URL=wss://your-workspace-id.cn-beijing.maas.aliyuncs.com/api-ws/v1/inference
+
 # MinIO
 MINIO_ENDPOINT=localhost:9000
 MINIO_ACCESS_KEY=minioadmin