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Replace front-end mock data with live API backed by: - tab_energy_hydrogen_bill (66.5K rows) joined with tab_hydrogen_site (internal stations) and tab_outside_hydrogen_site (external stations, joined via inner_site_id) - tab_energy_electricity_bill (4.4K rows, all 龙王路充电站) New server routes (src/server/routes/energy/): - GET /api/energy/hydrogen/overview → KPI + Top5 站点 + 区域占比 - GET /api/energy/hydrogen/daily?range=&customer= → 日级 + 站点级下钻 - GET /api/energy/electric/overview → KPI + 本月柱图 (fallback to last available month if current month has no data) - GET /api/energy/electric/monthly?customer= → 6 个月分组日级表 Business rules encoded server-side: - 客户类型: customer_id IS NULL = 羚牛承担, NOT NULL = 外部 - 时区: DATETIME 列字面值是 UTC，分组前 +8h 转成 CST - 数据清理: hydrogen_time >= 2024-01-01 (排除 1900 年脏数据) - 站点名 fallback: short_name → name → fixed_station_name → station_name → '未知站点' - 区域归一化: SUBSTRING_INDEX(city, '-', -1) 取最后一段，去掉 '省'/'市' 让 '四川省-成都市' 和 '成都市' 合并为 '成都' Component changes: - All 4 components (HydrogenOverview, HydrogenDaily, ElectricOverview, ElectricDaily) now use useEffect + fetch with loading/error states - HydrogenDaily filtering moved to server (range + customer params) → drops client-side TODAY constant + isInPick switch - ElectricOverview chart title is dynamic: shows 'YYYY-MM 每日充电' when fallback kicks in (current month has no data) - mock.ts deleted Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>