Function run_dependency_cycles 

pub fn run_dependency_cycles(
    db: &FactsDb,
    opts: &Options,
) -> Result<Vec<DependencyCycleRow>>

Run the dependency-cycles analysis. Returns one row per (cycle, member file), cycles ranked by size (largest first), members sorted by path.

Errors

Returns crate::CodeLoreError::Analysis on DuckDB query errors (propagated from the import-graph build).