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>

.gitignore

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+__pycache__/
+*.pyc
+.env.local
+node_modules/
+dist/
+.next/
+*.egg-info/
+.venv/
+venv/
+*.log
+.DS_Store
+*.db