Large bugfix PR

[ufechner7]

For details, see Bugs.md
In addition, a vector version of get_wind was added.
The interpolate keyword works now.

[Copilot]

Pull request overview

This PR implements the windfield-related fixes documented in Bugs.md, improving correctness and operational usability of the Mann-model turbulence cache in AtmosphericModels.jl by making windfield files smaller, better keyed to settings, and stored in a shared scratchspace.

Changes:

• Move .npz windfield storage from get_data_path() to a Scratch.jl scratchspace (windfield_path()), with an override via set_windfield_path!.
• Change windfield naming to include a settings digest (param_digest) and remove use_turbulence from the filename; also stop storing x/y/z meshgrids in .npz and rebuild axes via grid_axes.
• Validate settings up front (check_windfield_settings) and fix turbulence scaling/indexing to use the speed the loaded field was generated for (wf.v_wind_gnd) when applying rel_turbs.

Reviewed changes

Copilot reviewed 10 out of 11 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/windfield.jl	Core implementation updates: scratchspace pathing, digest-based naming, reduced .npz contents, settings validation, and corrected turbulence scaling/source speed.
src/AtmosphericModels.jl	Exports/imports for new functionality (Scratch, SHA, windfield_path, set_windfield_path!) and WindField struct extension (v_wind_gnd).
test/test_windfield.jl	Expanded tests for new naming/path behavior, settings validation, digest behavior, axis rebuilding, and rel_turbs source correctness.
Project.toml	Version bump to 0.3.8 and added deps/compat for Scratch and SHA.
examples/menu.jl	Update windfield deletion helper to target windfield_path() rather than data/.
examples/load_windfield.jl	Update example for new load_windfield return shape and axis reconstruction.
docs/src/wind_field.md	Documentation updated for scratchspace storage, digest naming, and lookup-time turbulence scaling.
docs/src/api.md	API docs updated to list new functions and relevant internal helpers.
CLAUDE.md	Repository guidance updated to reflect new grid_axes/storage/name conventions.
CHANGELOG.md	Adds an unreleased v0.3.8 entry documenting behavior and migration notes.
Bugs.md	Marks reported bugs as addressed in v0.3.8 and documents the implemented resolutions.

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