Initial commit: Tianpu Zero-Carbon EMS Platform

Full-stack energy management system for Tianpu Daxing campus.
- Frontend: React 19 + TypeScript + Ant Design + ECharts
- Backend: FastAPI + SQLAlchemy + PostgreSQL/TimescaleDB
- Features: PV monitoring, heat pump management, carbon tracking, alarms, reports

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

.env

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+# Database
+DATABASE_URL=postgresql+asyncpg://tianpu:tianpu2026@postgres:5432/tianpu_ems
+DATABASE_URL_SYNC=postgresql://tianpu:tianpu2026@postgres:5432/tianpu_ems
+DATABASE_URL_LOCAL=postgresql+asyncpg://tianpu:tianpu2026@localhost:5432/tianpu_ems
+DATABASE_URL_LOCAL_SYNC=postgresql://tianpu:tianpu2026@localhost:5432/tianpu_ems
+
+# Redis
+REDIS_URL=redis://redis:6379/0
+REDIS_URL_LOCAL=redis://localhost:6379/0
+
+# JWT
+SECRET_KEY=tianpu-ems-secret-key-change-in-production-2026
+ALGORITHM=HS256
+ACCESS_TOKEN_EXPIRE_MINUTES=480
+
+# App
+APP_NAME=TianpuEMS
+DEBUG=true
+API_V1_PREFIX=/api/v1