refactor: 统一运行/编译脚本为 scripts/ 下纯 Python（自动 venv，傻瓜式）

新增 _env.py 共享工具与 dev/run/tauri_dev/build_server/build_tauri/build_docker/clean 脚本，
删除旧 build.{sh,ps1,bat}、根 run.bat/debug.bat/start.sh/dev.py、supervisord.conf、packaging/Dockerfile，
Docker 改以根 Dockerfile 为准并重写 compose（/data 卷）。

packaging/docker-compose.yml

@@ -6,14 +6,10 @@ services:
     ports:
       - "9081:9081"
     volumes:
-      - ./cache:/app/cache
-      - ./Configure.json:/app/Configure.json
-      - ./ReportScript.sql:/app/ReportScript.sql
-      - ./logs:/var/log/supervisor
+      - capacity-data:/data
     environment:
       - TZ=Asia/Shanghai
       - PYTHONUNBUFFERED=1
-      - SUPERVISOR_ENABLED=1
     depends_on:
       capacity-mysql:
         condition: service_healthy
@@ -60,3 +56,5 @@ networks:
 volumes:
   capacity-mysql-data:
     driver: local
+  capacity-data:
+    driver: local