zpark-ems v1.0.0: 中关村医疗器械园EMS客户项目

基于 ems-core v1.0.0，包含：
- customers/zpark/config.yaml — Z-Park品牌配置（阳光电源采集器）
- customers/zpark/devices.json — 10台逆变器 + 8台汇流箱设备清单
- customers/zpark/pricing.json — 北京2026年分时电价
- scripts/seed_zpark.py — Z-Park设备和告警种子数据
- docker-compose.override.yml — Z-Park部署配置
- core/ — ems-core v1.0.0 (git subtree)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docker-compose.override.yml

@@ -0,0 +1,16 @@
+# 中关村医疗器械园 — Docker Compose Override
+# Usage: docker compose -f core/docker-compose.yml -f docker-compose.override.yml up
+version: '3.8'
+services:
+  backend:
+    build:
+      context: ./core/backend
+    environment:
+      - CUSTOMER=zpark
+    volumes:
+      - ./customers/zpark:/app/customers/zpark:ro
+      - ./scripts:/app/scripts:ro
+
+  frontend:
+    build:
+      context: ./core/frontend