feat: 新增生产环境 compose 编排（直连公共 MySQL）

- 新增 docker-compose.production.yml：仅 app + nginx，数据库连公司公共 MySQL，MYSQL_HOST/MYSQL_PASSWORD 必填校验
- 新增 .env.production.example 环境模板，.gitignore 白名单放行
- 修复 docker-compose.self-hosted.yml 漏转发 AI_TAGGING_TOOL 与 WECOM_* 共 7 个环境变量
- 部署指南补充两套编排文件选用说明与生产启动命令；忽略真实账号数据 CSV 防误提交

docker-compose.self-hosted.yml

@@ -43,6 +43,13 @@ services:
       FEISHU_APP_SECRET: ${FEISHU_APP_SECRET:-}
       AI_TOOL_CENTER_MCP_URL: ${AI_TOOL_CENTER_MCP_URL:-}
       AI_TOOL_CENTER_MCP_KEY: ${AI_TOOL_CENTER_MCP_KEY:-}
+      AI_TAGGING_TOOL: ${AI_TAGGING_TOOL:-}
+      WECOM_CORP_ID: ${WECOM_CORP_ID:-}
+      WECOM_AGENT_ID: ${WECOM_AGENT_ID:-}
+      WECOM_SECRET: ${WECOM_SECRET:-}
+      WECOM_ROBOT_WEBHOOK: ${WECOM_ROBOT_WEBHOOK:-}
+      WECOM_NOTIFY_DUE_DAYS: ${WECOM_NOTIFY_DUE_DAYS:-}
+      WECOM_NOTIFY_ENABLED: ${WECOM_NOTIFY_ENABLED:-}
       ENABLE_SCHEDULER: ${ENABLE_SCHEDULER:-true}
       SEED_DEMO_DATA: ${SEED_DEMO_DATA:-false}
       TZ: Asia/Shanghai