ems-core v1.0.0: Standard EMS platform core

Shared backend + frontend for multi-customer EMS deployments.
- 12 enterprise modules: quota, cost, charging, maintenance, analysis, etc.
- 120+ API endpoints, 37 database tables
- Customer config mechanism (CUSTOMER env var + YAML config)
- Collectors: Modbus TCP, MQTT, HTTP API, Sungrow iSolarCloud
- Frontend: React 19 + Ant Design + ECharts + Three.js
- Infrastructure: Redis cache, rate limiting, aggregation engine

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

backend/app/tasks/celery_app.py

@@ -0,0 +1,24 @@
+from celery import Celery
+from app.core.config import get_settings
+
+settings = get_settings()
+
+celery_app = Celery(
+    "tianpu_ems",
+    broker=settings.REDIS_URL,
+    backend=settings.REDIS_URL,
+)
+
+celery_app.conf.update(
+    task_serializer="json",
+    accept_content=["json"],
+    result_serializer="json",
+    timezone="Asia/Shanghai",
+    enable_utc=False,
+    task_track_started=True,
+    task_routes={
+        "app.tasks.report_tasks.*": {"queue": "reports"},
+    },
+)
+
+celery_app.autodiscover_tasks(["app.tasks"])