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移除城市快捷跳转栏 sticky 固定效果，更新 LGBM 模型至 1247 样本

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scan-ai-city-jumpbar 不再吸附顶部，anchor scroll-margin 同步清理。
LGBM 模型用 prod DB 重训练：1247 样本 → 验证 MAE 2.63°C vs DEB 2.75°C。

Tested: tsc + ruff 全过
This commit is contained in:
2569718930@qq.com
2026-05-06 18:50:10 +08:00
parent 7b82ba68df
commit 52fa7b0bb3
3 changed files with 1900 additions and 293 deletions
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artifacts/models/lgbm_daily_high.txt
+1885 -272
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artifacts/models/lgbm_daily_high_schema.json
+15 -15
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@@ -42,25 +42,25 @@
"nws"
],
"model_path": "artifacts\\models\\lgbm_daily_high.txt",
"sample_count": 20,
"train_count": 8,
"validation_count": 12,
"sample_count": 1247,
"train_count": 998,
"validation_count": 249,
"metrics": {
"validation": {
"sample_count": 12,
"lgbm_mae": 5.867,
"deb_mae": 1.825,
"best_single_mae": 0.567,
"median_mae": 1.7
"sample_count": 249,
"lgbm_mae": 2.626,
"deb_mae": 2.745,
"best_single_mae": 1.733,
"median_mae": 2.866
},
"full_sample": {
"sample_count": 20,
"lgbm_mae": 2.66,
"deb_mae": 1.68,
"best_single_mae": 0.775,
"median_mae": 1.695
"sample_count": 1247,
"lgbm_mae": 0.953,
"deb_mae": 1.872,
"best_single_mae": 1.052,
"median_mae": 1.952
}
},
"generated_at": "2026-04-18T19:27:39.228210Z",
"trained_at": "2026-04-18T19:27:39.228210Z"
"generated_at": "2026-05-06T10:45:04.319587Z",
"trained_at": "2026-05-06T10:45:04.319587Z"
}