Datas/DEM/CJJJD_DEM.TFw

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chore: configure git-lfs and migrate data to LFS - Add .gitattributes with LFS tracking for binary/data files - Migrate processed parquet/npy/npz files from regular git to LFS - Add Datas/ raw data via LFS (DEM, weather, air quality, maps) - Add outputs/ GIS analysis and street matching results - Enable cross-machine development with full data portability 2026-06-07 06:28:30 +08:00			`30.7077161417`
			`0.0000000000`
			`0.0000000000`
			`-30.7077161417`
			`-927600.6522210361`
			`3973694.3533988781`