chore: switch database backend to mysql in env

.env

@@ -1,8 +1,14 @@
 # 火山引擎 Ark API
-OPENAI_API_KEY=09f8ef95-382a-4f3a-b90b-8775e0ceb5da
+OPENAI_API_KEY=cb2360ff-1a52-4289-abd6-ec29118376d0
 OPENAI_BASE_URL=https://ark.cn-beijing.volces.com/api/v3
-OPENAI_MODEL=doubao-seed-2-0-lite-260215
+OPENAI_MODEL=doubao-seed-2-0-mini-260215
 VISION_MODEL=doubao-seed-2-0-mini-260215
+GEMINI_IMAGE_MODEL=gemini-3.1-flash-image-preview
+GEMINI_IMAGE_FALLBACK_MODEL=gemini-2.5-flash-image
+GEMINI_IMAGE_SIZE=1K
+GEMINI_THINKING_LEVEL=MINIMAL
+# 可选：留空则不传（由模型默认策略决定）
+GEMINI_PERSON_GENERATION=
 
 # 作图API配置
 IMAGE_API_URL=https://your-image-api.com/process
@@ -33,8 +39,24 @@ DESIGNER_ROSTER_API=
 # HTTP_PROXY=http://127.0.0.1:7890
 # HTTPS_PROXY=http://127.0.0.1:7890
 
+# 消息防抖合并时间（秒）
+MESSAGE_DEBOUNCE_SECONDS=15
+BATCH_MAX_IMAGES=12
+BATCH_ANALYZE_CONCURRENCY=3
+FEATURE_BATCH_QUOTE_ENABLED=true
+FEATURE_BATCH_QUOTE_PERCENT=100
+FEATURE_BATCH_QUOTE_SHOPS=
+
 # 图绘平台配置
 TUHUI_BASE_URL=http://127.0.0.1:8002
 TUHUI_PHONE=17520145271
 TUHUI_PASSWORD=zuowei1216
 TUHUI_DEFAULT_PRICE=20
+
+# MySQL 配置（线上）
+DB_TYPE=mysql
+MYSQL_HOST=1.12.50.92
+MYSQL_PORT=3306
+MYSQL_USER=root
+MYSQL_PASSWORD=Zuowei1216
+MYSQL_DATABASE=ai_cs