feat: multi-customer architecture + Z-Park support + Gitea migration scripts
Multi-customer config system:
- CUSTOMER env var selects customer (tianpu/zpark)
- customers/tianpu/config.yaml — Tianpu branding, collectors, features
- customers/zpark/config.yaml — Z-Park branding, Sungrow collector
- GET /api/v1/branding endpoint for customer-specific branding
- main.py loads customer config for app title, CORS, logging
- Collector manager filters by customer's enabled collectors
Z-Park (中关村医疗器械园) support:
- Sungrow iSolarCloud API collector (sungrow_collector.py)
- Z-Park device definitions (10 inverters, 8 combiner boxes, 22+ buildings)
- Z-Park TOU pricing config (Beijing 2026 rates)
- Z-Park seed script (seed_zpark.py)
Gitea migration scripts (Mac Studio → labmac3):
- 5 migration scripts + README in scripts/gitea-migration/
- Creates 3-repo structure: ems-core, tp-ems, zpark-ems
Version: v1.0.0
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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