fix: 部署导出 _feat_cols_ 解包适配新4元组(name,ftype,ia,ib)

src/core/modeling/modeling_batch.py

@@ -795,8 +795,9 @@ class WaterQualityModelingBatch:
                     _phys.wavelengths, dtype=np.float64
                 )
                 _feat_map = {}
-                for name, ia, ib in _phys._feat_cols_:
+                for name, ftype, ia, ib in _phys._feat_cols_:
                     _feat_map[name] = {
+                        'ftype': str(ftype),
                         'wl_a': float(_phys.wavelengths[ia]),
                         'wl_b': float(_phys.wavelengths[ib]),
                         'idx_a': int(ia),