Delete CLAUDE.md

CLAUDE.md

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-### Project deliverables → instructions/project.md
-
-### CURRENT STATUS
-
-**Phase 1 - Data Fusion & Graph Construction: ✅ COMPLETE**
-
-- ✅ Data downloads (Hub'Eau hydrometric, ERA5 meteorological, elevations)
-- ✅ Data loaders (hydrometric.py, safran.py) - aligned with actual API structures
-- ✅ Fusion pipeline (fusion_engine.py) - merges Hub'Eau + ERA5
-- ✅ Graph construction (graph_from_fused.py) - PyTorch Geometric compatible
-- ✅ Graph visualization (visualize.py) - 7 plot types
-
-**Working Pipeline:**
-```
-Hub'Eau (53K obs) + ERA5 (10K obs) → Fusion → Graphs → Visualization → Ready for GNN
-```
-
-**Datasets:**
-- Hub'Eau: 101,218 observations, 14 stations (1969-2026)
-- ERA5: Sample data (Jan 2020), full download ready (1960-2026, 67 years)
-- Station elevations: 27 stations from EU-DEM
-- ADES groundwater: 113 wells, 272K measurements
-- IDPR KARST indicators: 27 stations
-
-**Next:** GNN model training or full ERA5 download
-
-### INSTRUCTIONS
-- Role: Elite ML engineer, efficient, direct, best practices
-- Focus: Graph construction for PyTorch Geometric compatible with spatial-temporal data
-- Datasets: Located in `datasets/`
-- Code: All implementation in `src/`