Function read_indexed_code_slice_from_source_bounded 

pub fn read_indexed_code_slice_from_source_bounded(
    store: &AtlasStore,
    file: &Path,
    start_line: usize,
    end_line: Option<usize>,
    source: &str,
    output_budget: CodeSliceBudget,
) -> ServiceResult<CodeSliceDraft>

Read a byte-bounded exact line slice from caller-verified source bytes.

Errors

Returns an error when the file is not indexed, line numbers are invalid, or the verbatim slice cannot fit the requested output budget.