chore(deploy): 三环境 Compose 构建真实 app 镜像并补齐法规库运维

将 dev/test/main 的 app 服务从占位容器改为 Dockerfile 多阶段构建，增加 healthcheck 与 .regulations 只读挂载；新增法规库备份/恢复脚本并同步 env-service 目录初始化与 gitignore。

Co-authored-by: Cursor <cursoragent@cursor.com>

docker-compose.dev.yml

@@ -80,15 +80,19 @@ services:
       - dev-net
 
   app:
-    image: alpine:latest
+    build:
+      context: .
+      dockerfile: deploy/app/Dockerfile
     container_name: shuimu-agent-app-dev
-    command: ["sh", "-c", "echo 'Dev Agent App service is running on :8080' && sleep infinity"]
     depends_on:
       system-db:
         condition: service_healthy
     environment:
       ENV: dev
       HTTP_ADDR: ":${HTTP_PORT:-8080}"
+      HTTP_PORT: "${HTTP_PORT:-8080}"
+      HTTP_HOST: "0.0.0.0"
+      AGENT_BACKEND: ${AGENT_BACKEND:-pi-agent}
       DATA_DIR: /app/data
       # 独占业务与对话库
       APP_DB_DSN: postgres://${SYSTEM_DB_USER:-app}:${SYSTEM_DB_PASSWORD:-dev_secret_db_pass}@system-db:5432/${SYSTEM_DB_NAME:-agent_system_dev}?sslmode=disable
@@ -99,10 +103,17 @@ services:
       AUX_FILE_DSN: file:/var/lib/feishu/outbox_dev.db?_journal_mode=WAL&_busy_timeout=5000
     ports:
       - "${APP_PUBLISH_HOST:-127.0.0.1}:${HTTP_PORT:-8080}:${HTTP_PORT:-8080}"
+    healthcheck:
+      test: ["CMD", "curl", "-fsS", "http://127.0.0.1:${HTTP_PORT:-8080}/api/v1/health"]
+      interval: 10s
+      timeout: 5s
+      retries: 6
+      start_period: 20s
     volumes:
       # 独占对话记录与环境数据
       - ./data/dev:/app/data
       - dev-aux-sqlite-data:/var/lib/feishu
+      - ./.regulations:/app/.regulations:ro
     restart: unless-stopped
     networks:
       - dev-net