Function run_similar_code 

pub fn run_similar_code(
    options: &SimilarCodeOptions,
) -> Result<SimilarCodeOutput, ProgrammaticError>

Run opt-in semantic similar-code discovery through the verified local provider.

Candidate presence never changes success status. Missing local setup uses exit code 3, while invalid inputs and provider failures use exit code 2.

Errors

Returns a structured error for invalid analysis options, unavailable local setup, source discovery failures, or unusable provider output.