Revert eval to exported package. Used in cre.

[scunningham]

No description provided.

[Copilot]

Pull request overview

This pull request moves the eval package from internal/pkg/eval to pkg/eval, making it available as an exported package for external use. The PR title mentions this is needed for use in "cre" (likely referring to an external consumer).

Changes:

• Moved eval package from internal to public API surface
• Updated all import references from internal/pkg/eval to pkg/eval
• Added defensive nil check for config parameter in the exported Detect function

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
test/preq_test.go	Updated import path to use the new exported eval package
cmd/wasm/wasm.go	Updated import path to use the new exported eval package
pkg/eval/eval.go	Added nil check for config parameter to make the exported API more robust

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